diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 1979 |
1 files changed, 1485 insertions, 494 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 461a637f1ef7..a9fb046b94a1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -41,8 +41,6 @@ #include <drm/drm_crtc_helper.h> #include <linux/dma_remapping.h> -#define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) - bool intel_pipe_has_type(struct drm_crtc *crtc, int type); static void intel_increase_pllclock(struct drm_crtc *crtc); static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); @@ -80,6 +78,16 @@ struct intel_limit { /* FDI */ #define IRONLAKE_FDI_FREQ 2700000 /* in kHz for mode->clock */ +int +intel_pch_rawclk(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + WARN_ON(!HAS_PCH_SPLIT(dev)); + + return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; +} + static bool intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, int target, int refclk, intel_clock_t *match_clock, @@ -380,7 +388,7 @@ static const intel_limit_t intel_limits_vlv_dac = { static const intel_limit_t intel_limits_vlv_hdmi = { .dot = { .min = 20000, .max = 165000 }, - .vco = { .min = 5994000, .max = 4000000 }, + .vco = { .min = 4000000, .max = 5994000}, .n = { .min = 1, .max = 7 }, .m = { .min = 60, .max = 300 }, /* guess */ .m1 = { .min = 2, .max = 3 }, @@ -393,10 +401,10 @@ static const intel_limit_t intel_limits_vlv_hdmi = { }; static const intel_limit_t intel_limits_vlv_dp = { - .dot = { .min = 162000, .max = 270000 }, - .vco = { .min = 5994000, .max = 4000000 }, + .dot = { .min = 25000, .max = 270000 }, + .vco = { .min = 4000000, .max = 6000000 }, .n = { .min = 1, .max = 7 }, - .m = { .min = 60, .max = 300 }, /* guess */ + .m = { .min = 22, .max = 450 }, .m1 = { .min = 2, .max = 3 }, .m2 = { .min = 11, .max = 156 }, .p = { .min = 10, .max = 30 }, @@ -531,7 +539,7 @@ static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, limit = &intel_limits_ironlake_single_lvds; } } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || - HAS_eDP) + intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) limit = &intel_limits_ironlake_display_port; else limit = &intel_limits_ironlake_dac; @@ -927,6 +935,15 @@ intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, return true; } +enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, + enum pipe pipe) +{ + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + return intel_crtc->cpu_transcoder; +} + static void ironlake_wait_for_vblank(struct drm_device *dev, int pipe) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -999,9 +1016,11 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe) void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) { struct drm_i915_private *dev_priv = dev->dev_private; + enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, + pipe); if (INTEL_INFO(dev)->gen >= 4) { - int reg = PIPECONF(pipe); + int reg = PIPECONF(cpu_transcoder); /* Wait for the Pipe State to go off */ if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, @@ -1103,12 +1122,14 @@ static void assert_fdi_tx(struct drm_i915_private *dev_priv, int reg; u32 val; bool cur_state; + enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, + pipe); if (IS_HASWELL(dev_priv->dev)) { /* On Haswell, DDI is used instead of FDI_TX_CTL */ - reg = DDI_FUNC_CTL(pipe); + reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); val = I915_READ(reg); - cur_state = !!(val & PIPE_DDI_FUNC_ENABLE); + cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); } else { reg = FDI_TX_CTL(pipe); val = I915_READ(reg); @@ -1128,14 +1149,9 @@ static void assert_fdi_rx(struct drm_i915_private *dev_priv, u32 val; bool cur_state; - if (IS_HASWELL(dev_priv->dev) && pipe > 0) { - DRM_ERROR("Attempting to enable FDI_RX on Haswell pipe > 0\n"); - return; - } else { - reg = FDI_RX_CTL(pipe); - val = I915_READ(reg); - cur_state = !!(val & FDI_RX_ENABLE); - } + reg = FDI_RX_CTL(pipe); + val = I915_READ(reg); + cur_state = !!(val & FDI_RX_ENABLE); WARN(cur_state != state, "FDI RX state assertion failure (expected %s, current %s)\n", state_string(state), state_string(cur_state)); @@ -1168,10 +1184,6 @@ static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv, int reg; u32 val; - if (IS_HASWELL(dev_priv->dev) && pipe > 0) { - DRM_ERROR("Attempting to enable FDI on Haswell with pipe > 0\n"); - return; - } reg = FDI_RX_CTL(pipe); val = I915_READ(reg); WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n"); @@ -1212,12 +1224,14 @@ void assert_pipe(struct drm_i915_private *dev_priv, int reg; u32 val; bool cur_state; + enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, + pipe); /* if we need the pipe A quirk it must be always on */ if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) state = true; - reg = PIPECONF(pipe); + reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); cur_state = !!(val & PIPECONF_ENABLE); WARN(cur_state != state, @@ -1492,24 +1506,26 @@ static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) /* SBI access */ static void -intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value) +intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value, + enum intel_sbi_destination destination) { unsigned long flags; + u32 tmp; spin_lock_irqsave(&dev_priv->dpio_lock, flags); - if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, - 100)) { + if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) { DRM_ERROR("timeout waiting for SBI to become ready\n"); goto out_unlock; } - I915_WRITE(SBI_ADDR, - (reg << 16)); - I915_WRITE(SBI_DATA, - value); - I915_WRITE(SBI_CTL_STAT, - SBI_BUSY | - SBI_CTL_OP_CRWR); + I915_WRITE(SBI_ADDR, (reg << 16)); + I915_WRITE(SBI_DATA, value); + + if (destination == SBI_ICLK) + tmp = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRWR; + else + tmp = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IOWR; + I915_WRITE(SBI_CTL_STAT, SBI_BUSY | tmp); if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, 100)) { @@ -1522,23 +1538,25 @@ out_unlock: } static u32 -intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg) +intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg, + enum intel_sbi_destination destination) { unsigned long flags; u32 value = 0; spin_lock_irqsave(&dev_priv->dpio_lock, flags); - if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, - 100)) { + if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) { DRM_ERROR("timeout waiting for SBI to become ready\n"); goto out_unlock; } - I915_WRITE(SBI_ADDR, - (reg << 16)); - I915_WRITE(SBI_CTL_STAT, - SBI_BUSY | - SBI_CTL_OP_CRRD); + I915_WRITE(SBI_ADDR, (reg << 16)); + + if (destination == SBI_ICLK) + value = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRRD; + else + value = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IORD; + I915_WRITE(SBI_CTL_STAT, value | SBI_BUSY); if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, 100)) { @@ -1554,14 +1572,14 @@ out_unlock: } /** - * intel_enable_pch_pll - enable PCH PLL + * ironlake_enable_pch_pll - enable PCH PLL * @dev_priv: i915 private structure * @pipe: pipe PLL to enable * * The PCH PLL needs to be enabled before the PCH transcoder, since it * drives the transcoder clock. */ -static void intel_enable_pch_pll(struct intel_crtc *intel_crtc) +static void ironlake_enable_pch_pll(struct intel_crtc *intel_crtc) { struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; struct intel_pch_pll *pll; @@ -1645,12 +1663,12 @@ static void intel_disable_pch_pll(struct intel_crtc *intel_crtc) pll->on = false; } -static void intel_enable_transcoder(struct drm_i915_private *dev_priv, - enum pipe pipe) +static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, + enum pipe pipe) { - int reg; - u32 val, pipeconf_val; + struct drm_device *dev = dev_priv->dev; struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + uint32_t reg, val, pipeconf_val; /* PCH only available on ILK+ */ BUG_ON(dev_priv->info->gen < 5); @@ -1664,10 +1682,15 @@ static void intel_enable_transcoder(struct drm_i915_private *dev_priv, assert_fdi_tx_enabled(dev_priv, pipe); assert_fdi_rx_enabled(dev_priv, pipe); - if (IS_HASWELL(dev_priv->dev) && pipe > 0) { - DRM_ERROR("Attempting to enable transcoder on Haswell with pipe > 0\n"); - return; + if (HAS_PCH_CPT(dev)) { + /* Workaround: Set the timing override bit before enabling the + * pch transcoder. */ + reg = TRANS_CHICKEN2(pipe); + val = I915_READ(reg); + val |= TRANS_CHICKEN2_TIMING_OVERRIDE; + I915_WRITE(reg, val); } + reg = TRANSCONF(pipe); val = I915_READ(reg); pipeconf_val = I915_READ(PIPECONF(pipe)); @@ -1696,11 +1719,42 @@ static void intel_enable_transcoder(struct drm_i915_private *dev_priv, DRM_ERROR("failed to enable transcoder %d\n", pipe); } -static void intel_disable_transcoder(struct drm_i915_private *dev_priv, - enum pipe pipe) +static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder) { - int reg; - u32 val; + u32 val, pipeconf_val; + + /* PCH only available on ILK+ */ + BUG_ON(dev_priv->info->gen < 5); + + /* FDI must be feeding us bits for PCH ports */ + assert_fdi_tx_enabled(dev_priv, cpu_transcoder); + assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); + + /* Workaround: set timing override bit. */ + val = I915_READ(_TRANSA_CHICKEN2); + val |= TRANS_CHICKEN2_TIMING_OVERRIDE; + I915_WRITE(_TRANSA_CHICKEN2, val); + + val = TRANS_ENABLE; + pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); + + if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == + PIPECONF_INTERLACED_ILK) + val |= TRANS_INTERLACED; + else + val |= TRANS_PROGRESSIVE; + + I915_WRITE(TRANSCONF(TRANSCODER_A), val); + if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100)) + DRM_ERROR("Failed to enable PCH transcoder\n"); +} + +static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, + enum pipe pipe) +{ + struct drm_device *dev = dev_priv->dev; + uint32_t reg, val; /* FDI relies on the transcoder */ assert_fdi_tx_disabled(dev_priv, pipe); @@ -1716,6 +1770,31 @@ static void intel_disable_transcoder(struct drm_i915_private *dev_priv, /* wait for PCH transcoder off, transcoder state */ if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) DRM_ERROR("failed to disable transcoder %d\n", pipe); + + if (!HAS_PCH_IBX(dev)) { + /* Workaround: Clear the timing override chicken bit again. */ + reg = TRANS_CHICKEN2(pipe); + val = I915_READ(reg); + val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; + I915_WRITE(reg, val); + } +} + +static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) +{ + u32 val; + + val = I915_READ(_TRANSACONF); + val &= ~TRANS_ENABLE; + I915_WRITE(_TRANSACONF, val); + /* wait for PCH transcoder off, transcoder state */ + if (wait_for((I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE) == 0, 50)) + DRM_ERROR("Failed to disable PCH transcoder\n"); + + /* Workaround: clear timing override bit. */ + val = I915_READ(_TRANSA_CHICKEN2); + val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; + I915_WRITE(_TRANSA_CHICKEN2, val); } /** @@ -1735,9 +1814,17 @@ static void intel_disable_transcoder(struct drm_i915_private *dev_priv, static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool pch_port) { + enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, + pipe); + enum transcoder pch_transcoder; int reg; u32 val; + if (IS_HASWELL(dev_priv->dev)) + pch_transcoder = TRANSCODER_A; + else + pch_transcoder = pipe; + /* * A pipe without a PLL won't actually be able to drive bits from * a plane. On ILK+ the pipe PLLs are integrated, so we don't @@ -1748,13 +1835,13 @@ static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, else { if (pch_port) { /* if driving the PCH, we need FDI enabled */ - assert_fdi_rx_pll_enabled(dev_priv, pipe); - assert_fdi_tx_pll_enabled(dev_priv, pipe); + assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); + assert_fdi_tx_pll_enabled(dev_priv, cpu_transcoder); } /* FIXME: assert CPU port conditions for SNB+ */ } - reg = PIPECONF(pipe); + reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); if (val & PIPECONF_ENABLE) return; @@ -1778,6 +1865,8 @@ static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, static void intel_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe) { + enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, + pipe); int reg; u32 val; @@ -1791,7 +1880,7 @@ static void intel_disable_pipe(struct drm_i915_private *dev_priv, if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) return; - reg = PIPECONF(pipe); + reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); if ((val & PIPECONF_ENABLE) == 0) return; @@ -1807,8 +1896,10 @@ static void intel_disable_pipe(struct drm_i915_private *dev_priv, void intel_flush_display_plane(struct drm_i915_private *dev_priv, enum plane plane) { - I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane))); - I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane))); + if (dev_priv->info->gen >= 4) + I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane))); + else + I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane))); } /** @@ -1926,9 +2017,9 @@ void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel * is assumed to be a power-of-two. */ -static unsigned long gen4_compute_dspaddr_offset_xtiled(int *x, int *y, - unsigned int bpp, - unsigned int pitch) +unsigned long intel_gen4_compute_offset_xtiled(int *x, int *y, + unsigned int bpp, + unsigned int pitch) { int tile_rows, tiles; @@ -1969,24 +2060,38 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, dspcntr = I915_READ(reg); /* Mask out pixel format bits in case we change it */ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - switch (fb->bits_per_pixel) { - case 8: + switch (fb->pixel_format) { + case DRM_FORMAT_C8: dspcntr |= DISPPLANE_8BPP; break; - case 16: - if (fb->depth == 15) - dspcntr |= DISPPLANE_15_16BPP; - else - dspcntr |= DISPPLANE_16BPP; + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: + dspcntr |= DISPPLANE_BGRX555; break; - case 24: - case 32: - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; + case DRM_FORMAT_RGB565: + dspcntr |= DISPPLANE_BGRX565; + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + dspcntr |= DISPPLANE_BGRX888; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + dspcntr |= DISPPLANE_RGBX888; + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + dspcntr |= DISPPLANE_BGRX101010; + break; + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + dspcntr |= DISPPLANE_RGBX101010; break; default: - DRM_ERROR("Unknown color depth %d\n", fb->bits_per_pixel); + DRM_ERROR("Unknown pixel format 0x%08x\n", fb->pixel_format); return -EINVAL; } + if (INTEL_INFO(dev)->gen >= 4) { if (obj->tiling_mode != I915_TILING_NONE) dspcntr |= DISPPLANE_TILED; @@ -2000,9 +2105,9 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, if (INTEL_INFO(dev)->gen >= 4) { intel_crtc->dspaddr_offset = - gen4_compute_dspaddr_offset_xtiled(&x, &y, - fb->bits_per_pixel / 8, - fb->pitches[0]); + intel_gen4_compute_offset_xtiled(&x, &y, + fb->bits_per_pixel / 8, + fb->pitches[0]); linear_offset -= intel_crtc->dspaddr_offset; } else { intel_crtc->dspaddr_offset = linear_offset; @@ -2053,27 +2158,31 @@ static int ironlake_update_plane(struct drm_crtc *crtc, dspcntr = I915_READ(reg); /* Mask out pixel format bits in case we change it */ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - switch (fb->bits_per_pixel) { - case 8: + switch (fb->pixel_format) { + case DRM_FORMAT_C8: dspcntr |= DISPPLANE_8BPP; break; - case 16: - if (fb->depth != 16) - return -EINVAL; - - dspcntr |= DISPPLANE_16BPP; + case DRM_FORMAT_RGB565: + dspcntr |= DISPPLANE_BGRX565; break; - case 24: - case 32: - if (fb->depth == 24) - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - else if (fb->depth == 30) - dspcntr |= DISPPLANE_32BPP_30BIT_NO_ALPHA; - else - return -EINVAL; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + dspcntr |= DISPPLANE_BGRX888; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + dspcntr |= DISPPLANE_RGBX888; + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + dspcntr |= DISPPLANE_BGRX101010; + break; + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + dspcntr |= DISPPLANE_RGBX101010; break; default: - DRM_ERROR("Unknown color depth %d\n", fb->bits_per_pixel); + DRM_ERROR("Unknown pixel format 0x%08x\n", fb->pixel_format); return -EINVAL; } @@ -2089,9 +2198,9 @@ static int ironlake_update_plane(struct drm_crtc *crtc, linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); intel_crtc->dspaddr_offset = - gen4_compute_dspaddr_offset_xtiled(&x, &y, - fb->bits_per_pixel / 8, - fb->pitches[0]); + intel_gen4_compute_offset_xtiled(&x, &y, + fb->bits_per_pixel / 8, + fb->pitches[0]); linear_offset -= intel_crtc->dspaddr_offset; DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", @@ -2099,8 +2208,12 @@ static int ironlake_update_plane(struct drm_crtc *crtc, I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); I915_MODIFY_DISPBASE(DSPSURF(plane), obj->gtt_offset + intel_crtc->dspaddr_offset); - I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); - I915_WRITE(DSPLINOFF(plane), linear_offset); + if (IS_HASWELL(dev)) { + I915_WRITE(DSPOFFSET(plane), (y << 16) | x); + } else { + I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); + I915_WRITE(DSPLINOFF(plane), linear_offset); + } POSTING_READ(reg); return 0; @@ -2148,13 +2261,39 @@ intel_finish_fb(struct drm_framebuffer *old_fb) return ret; } +static void intel_crtc_update_sarea_pos(struct drm_crtc *crtc, int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_master_private *master_priv; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + if (!dev->primary->master) + return; + + master_priv = dev->primary->master->driver_priv; + if (!master_priv->sarea_priv) + return; + + switch (intel_crtc->pipe) { + case 0: + master_priv->sarea_priv->pipeA_x = x; + master_priv->sarea_priv->pipeA_y = y; + break; + case 1: + master_priv->sarea_priv->pipeB_x = x; + master_priv->sarea_priv->pipeB_y = y; + break; + default: + break; + } +} + static int intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *fb) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_master_private *master_priv; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_framebuffer *old_fb; int ret; @@ -2206,20 +2345,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, intel_update_fbc(dev); mutex_unlock(&dev->struct_mutex); - if (!dev->primary->master) - return 0; - - master_priv = dev->primary->master->driver_priv; - if (!master_priv->sarea_priv) - return 0; - - if (intel_crtc->pipe) { - master_priv->sarea_priv->pipeB_x = x; - master_priv->sarea_priv->pipeB_y = y; - } else { - master_priv->sarea_priv->pipeA_x = x; - master_priv->sarea_priv->pipeA_y = y; - } + intel_crtc_update_sarea_pos(crtc, x, y); return 0; } @@ -2302,16 +2428,27 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc) FDI_FE_ERRC_ENABLE); } -static void cpt_phase_pointer_enable(struct drm_device *dev, int pipe) +static void ivb_modeset_global_resources(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 flags = I915_READ(SOUTH_CHICKEN1); + struct intel_crtc *pipe_B_crtc = + to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); + struct intel_crtc *pipe_C_crtc = + to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); + uint32_t temp; - flags |= FDI_PHASE_SYNC_OVR(pipe); - I915_WRITE(SOUTH_CHICKEN1, flags); /* once to unlock... */ - flags |= FDI_PHASE_SYNC_EN(pipe); - I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to enable */ - POSTING_READ(SOUTH_CHICKEN1); + /* When everything is off disable fdi C so that we could enable fdi B + * with all lanes. XXX: This misses the case where a pipe is not using + * any pch resources and so doesn't need any fdi lanes. */ + if (!pipe_B_crtc->base.enabled && !pipe_C_crtc->base.enabled) { + WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); + WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); + + temp = I915_READ(SOUTH_CHICKEN1); + temp &= ~FDI_BC_BIFURCATION_SELECT; + DRM_DEBUG_KMS("disabling fdi C rx\n"); + I915_WRITE(SOUTH_CHICKEN1, temp); + } } /* The FDI link training functions for ILK/Ibexpeak. */ @@ -2357,11 +2494,9 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc) udelay(150); /* Ironlake workaround, enable clock pointer after FDI enable*/ - if (HAS_PCH_IBX(dev)) { - I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); - I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | - FDI_RX_PHASE_SYNC_POINTER_EN); - } + I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); + I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | + FDI_RX_PHASE_SYNC_POINTER_EN); reg = FDI_RX_IIR(pipe); for (tries = 0; tries < 5; tries++) { @@ -2450,6 +2585,9 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc) temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; I915_WRITE(reg, temp | FDI_TX_ENABLE); + I915_WRITE(FDI_RX_MISC(pipe), + FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); + reg = FDI_RX_CTL(pipe); temp = I915_READ(reg); if (HAS_PCH_CPT(dev)) { @@ -2464,9 +2602,6 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc) POSTING_READ(reg); udelay(150); - if (HAS_PCH_CPT(dev)) - cpt_phase_pointer_enable(dev, pipe); - for (i = 0; i < 4; i++) { reg = FDI_TX_CTL(pipe); temp = I915_READ(reg); @@ -2570,6 +2705,9 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) POSTING_READ(reg); udelay(150); + DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", + I915_READ(FDI_RX_IIR(pipe))); + /* enable CPU FDI TX and PCH FDI RX */ reg = FDI_TX_CTL(pipe); temp = I915_READ(reg); @@ -2582,6 +2720,9 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) temp |= FDI_COMPOSITE_SYNC; I915_WRITE(reg, temp | FDI_TX_ENABLE); + I915_WRITE(FDI_RX_MISC(pipe), + FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); + reg = FDI_RX_CTL(pipe); temp = I915_READ(reg); temp &= ~FDI_LINK_TRAIN_AUTO; @@ -2593,9 +2734,6 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) POSTING_READ(reg); udelay(150); - if (HAS_PCH_CPT(dev)) - cpt_phase_pointer_enable(dev, pipe); - for (i = 0; i < 4; i++) { reg = FDI_TX_CTL(pipe); temp = I915_READ(reg); @@ -2613,7 +2751,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) if (temp & FDI_RX_BIT_LOCK || (I915_READ(reg) & FDI_RX_BIT_LOCK)) { I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); - DRM_DEBUG_KMS("FDI train 1 done.\n"); + DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", i); break; } } @@ -2654,7 +2792,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) if (temp & FDI_RX_SYMBOL_LOCK) { I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); - DRM_DEBUG_KMS("FDI train 2 done.\n"); + DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", i); break; } } @@ -2671,9 +2809,6 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) int pipe = intel_crtc->pipe; u32 reg, temp; - /* Write the TU size bits so error detection works */ - I915_WRITE(FDI_RX_TUSIZE1(pipe), - I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ reg = FDI_RX_CTL(pipe); @@ -2737,17 +2872,6 @@ static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) udelay(100); } -static void cpt_phase_pointer_disable(struct drm_device *dev, int pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 flags = I915_READ(SOUTH_CHICKEN1); - - flags &= ~(FDI_PHASE_SYNC_EN(pipe)); - I915_WRITE(SOUTH_CHICKEN1, flags); /* once to disable... */ - flags &= ~(FDI_PHASE_SYNC_OVR(pipe)); - I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to lock */ - POSTING_READ(SOUTH_CHICKEN1); -} static void ironlake_fdi_disable(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -2774,11 +2898,6 @@ static void ironlake_fdi_disable(struct drm_crtc *crtc) /* Ironlake workaround, disable clock pointer after downing FDI */ if (HAS_PCH_IBX(dev)) { I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); - I915_WRITE(FDI_RX_CHICKEN(pipe), - I915_READ(FDI_RX_CHICKEN(pipe) & - ~FDI_RX_PHASE_SYNC_POINTER_EN)); - } else if (HAS_PCH_CPT(dev)) { - cpt_phase_pointer_disable(dev, pipe); } /* still set train pattern 1 */ @@ -2839,7 +2958,7 @@ static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) mutex_unlock(&dev->struct_mutex); } -static bool intel_crtc_driving_pch(struct drm_crtc *crtc) +static bool ironlake_crtc_driving_pch(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct intel_encoder *intel_encoder; @@ -2849,23 +2968,6 @@ static bool intel_crtc_driving_pch(struct drm_crtc *crtc) * must be driven by its own crtc; no sharing is possible. */ for_each_encoder_on_crtc(dev, crtc, intel_encoder) { - - /* On Haswell, LPT PCH handles the VGA connection via FDI, and Haswell - * CPU handles all others */ - if (IS_HASWELL(dev)) { - /* It is still unclear how this will work on PPT, so throw up a warning */ - WARN_ON(!HAS_PCH_LPT(dev)); - - if (intel_encoder->type == INTEL_OUTPUT_ANALOG) { - DRM_DEBUG_KMS("Haswell detected DAC encoder, assuming is PCH\n"); - return true; - } else { - DRM_DEBUG_KMS("Haswell detected encoder %d, assuming is CPU\n", - intel_encoder->type); - return false; - } - } - switch (intel_encoder->type) { case INTEL_OUTPUT_EDP: if (!intel_encoder_is_pch_edp(&intel_encoder->base)) @@ -2877,6 +2979,11 @@ static bool intel_crtc_driving_pch(struct drm_crtc *crtc) return true; } +static bool haswell_crtc_driving_pch(struct drm_crtc *crtc) +{ + return intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG); +} + /* Program iCLKIP clock to the desired frequency */ static void lpt_program_iclkip(struct drm_crtc *crtc) { @@ -2892,8 +2999,9 @@ static void lpt_program_iclkip(struct drm_crtc *crtc) /* Disable SSCCTL */ intel_sbi_write(dev_priv, SBI_SSCCTL6, - intel_sbi_read(dev_priv, SBI_SSCCTL6) | - SBI_SSCCTL_DISABLE); + intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | + SBI_SSCCTL_DISABLE, + SBI_ICLK); /* 20MHz is a corner case which is out of range for the 7-bit divisor */ if (crtc->mode.clock == 20000) { @@ -2934,33 +3042,25 @@ static void lpt_program_iclkip(struct drm_crtc *crtc) phaseinc); /* Program SSCDIVINTPHASE6 */ - temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6); + temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); temp |= SBI_SSCDIVINTPHASE_PROPAGATE; - - intel_sbi_write(dev_priv, - SBI_SSCDIVINTPHASE6, - temp); + intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); /* Program SSCAUXDIV */ - temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6); + temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); - intel_sbi_write(dev_priv, - SBI_SSCAUXDIV6, - temp); - + intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); /* Enable modulator and associated divider */ - temp = intel_sbi_read(dev_priv, SBI_SSCCTL6); + temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); temp &= ~SBI_SSCCTL_DISABLE; - intel_sbi_write(dev_priv, - SBI_SSCCTL6, - temp); + intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); /* Wait for initialization time */ udelay(24); @@ -2986,15 +3086,24 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) assert_transcoder_disabled(dev_priv, pipe); + /* Write the TU size bits before fdi link training, so that error + * detection works. */ + I915_WRITE(FDI_RX_TUSIZE1(pipe), + I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); + /* For PCH output, training FDI link */ dev_priv->display.fdi_link_train(crtc); - intel_enable_pch_pll(intel_crtc); + /* XXX: pch pll's can be enabled any time before we enable the PCH + * transcoder, and we actually should do this to not upset any PCH + * transcoder that already use the clock when we share it. + * + * Note that enable_pch_pll tries to do the right thing, but get_pch_pll + * unconditionally resets the pll - we need that to have the right LVDS + * enable sequence. */ + ironlake_enable_pch_pll(intel_crtc); - if (HAS_PCH_LPT(dev)) { - DRM_DEBUG_KMS("LPT detected: programming iCLKIP\n"); - lpt_program_iclkip(crtc); - } else if (HAS_PCH_CPT(dev)) { + if (HAS_PCH_CPT(dev)) { u32 sel; temp = I915_READ(PCH_DPLL_SEL); @@ -3031,8 +3140,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe))); I915_WRITE(TRANS_VSYNCSHIFT(pipe), I915_READ(VSYNCSHIFT(pipe))); - if (!IS_HASWELL(dev)) - intel_fdi_normal_train(crtc); + intel_fdi_normal_train(crtc); /* For PCH DP, enable TRANS_DP_CTL */ if (HAS_PCH_CPT(dev) && @@ -3064,15 +3172,37 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) temp |= TRANS_DP_PORT_SEL_D; break; default: - DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n"); - temp |= TRANS_DP_PORT_SEL_B; - break; + BUG(); } I915_WRITE(reg, temp); } - intel_enable_transcoder(dev_priv, pipe); + ironlake_enable_pch_transcoder(dev_priv, pipe); +} + +static void lpt_pch_enable(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + + assert_transcoder_disabled(dev_priv, TRANSCODER_A); + + lpt_program_iclkip(crtc); + + /* Set transcoder timing. */ + I915_WRITE(_TRANS_HTOTAL_A, I915_READ(HTOTAL(cpu_transcoder))); + I915_WRITE(_TRANS_HBLANK_A, I915_READ(HBLANK(cpu_transcoder))); + I915_WRITE(_TRANS_HSYNC_A, I915_READ(HSYNC(cpu_transcoder))); + + I915_WRITE(_TRANS_VTOTAL_A, I915_READ(VTOTAL(cpu_transcoder))); + I915_WRITE(_TRANS_VBLANK_A, I915_READ(VBLANK(cpu_transcoder))); + I915_WRITE(_TRANS_VSYNC_A, I915_READ(VSYNC(cpu_transcoder))); + I915_WRITE(_TRANS_VSYNCSHIFT_A, I915_READ(VSYNCSHIFT(cpu_transcoder))); + + lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); } static void intel_put_pch_pll(struct intel_crtc *intel_crtc) @@ -3165,16 +3295,12 @@ prepare: /* separate function? */ void intel_cpt_verify_modeset(struct drm_device *dev, int pipe) { struct drm_i915_private *dev_priv = dev->dev_private; - int dslreg = PIPEDSL(pipe), tc2reg = TRANS_CHICKEN2(pipe); + int dslreg = PIPEDSL(pipe); u32 temp; temp = I915_READ(dslreg); udelay(500); if (wait_for(I915_READ(dslreg) != temp, 5)) { - /* Without this, mode sets may fail silently on FDI */ - I915_WRITE(tc2reg, TRANS_AUTOTRAIN_GEN_STALL_DIS); - udelay(250); - I915_WRITE(tc2reg, 0); if (wait_for(I915_READ(dslreg) != temp, 5)) DRM_ERROR("mode set failed: pipe %d stuck\n", pipe); } @@ -3205,9 +3331,12 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN); } - is_pch_port = intel_crtc_driving_pch(crtc); + is_pch_port = ironlake_crtc_driving_pch(crtc); if (is_pch_port) { + /* Note: FDI PLL enabling _must_ be done before we enable the + * cpu pipes, hence this is separate from all the other fdi/pch + * enabling. */ ironlake_fdi_pll_enable(intel_crtc); } else { assert_fdi_tx_disabled(dev_priv, pipe); @@ -3220,12 +3349,17 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) /* Enable panel fitting for LVDS */ if (dev_priv->pch_pf_size && - (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || HAS_eDP)) { + (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || + intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { /* Force use of hard-coded filter coefficients * as some pre-programmed values are broken, * e.g. x201. */ - I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); + if (IS_IVYBRIDGE(dev)) + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | + PF_PIPE_SEL_IVB(pipe)); + else + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); } @@ -3265,6 +3399,83 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) intel_wait_for_vblank(dev, intel_crtc->pipe); } +static void haswell_crtc_enable(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_encoder *encoder; + int pipe = intel_crtc->pipe; + int plane = intel_crtc->plane; + bool is_pch_port; + + WARN_ON(!crtc->enabled); + + if (intel_crtc->active) + return; + + intel_crtc->active = true; + intel_update_watermarks(dev); + + is_pch_port = haswell_crtc_driving_pch(crtc); + + if (is_pch_port) + dev_priv->display.fdi_link_train(crtc); + + for_each_encoder_on_crtc(dev, crtc, encoder) + if (encoder->pre_enable) + encoder->pre_enable(encoder); + + intel_ddi_enable_pipe_clock(intel_crtc); + + /* Enable panel fitting for eDP */ + if (dev_priv->pch_pf_size && + intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { + /* Force use of hard-coded filter coefficients + * as some pre-programmed values are broken, + * e.g. x201. + */ + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | + PF_PIPE_SEL_IVB(pipe)); + I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); + I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); + } + + /* + * On ILK+ LUT must be loaded before the pipe is running but with + * clocks enabled + */ + intel_crtc_load_lut(crtc); + + intel_ddi_set_pipe_settings(crtc); + intel_ddi_enable_pipe_func(crtc); + + intel_enable_pipe(dev_priv, pipe, is_pch_port); + intel_enable_plane(dev_priv, plane, pipe); + + if (is_pch_port) + lpt_pch_enable(crtc); + + mutex_lock(&dev->struct_mutex); + intel_update_fbc(dev); + mutex_unlock(&dev->struct_mutex); + + intel_crtc_update_cursor(crtc, true); + + for_each_encoder_on_crtc(dev, crtc, encoder) + encoder->enable(encoder); + + /* + * There seems to be a race in PCH platform hw (at least on some + * outputs) where an enabled pipe still completes any pageflip right + * away (as if the pipe is off) instead of waiting for vblank. As soon + * as the first vblank happend, everything works as expected. Hence just + * wait for one vblank before returning to avoid strange things + * happening. + */ + intel_wait_for_vblank(dev, intel_crtc->pipe); +} + static void ironlake_crtc_disable(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -3303,7 +3514,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) ironlake_fdi_disable(crtc); - intel_disable_transcoder(dev_priv, pipe); + ironlake_disable_pch_transcoder(dev_priv, pipe); if (HAS_PCH_CPT(dev)) { /* disable TRANS_DP_CTL */ @@ -3345,12 +3556,78 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) mutex_unlock(&dev->struct_mutex); } +static void haswell_crtc_disable(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_encoder *encoder; + int pipe = intel_crtc->pipe; + int plane = intel_crtc->plane; + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + bool is_pch_port; + + if (!intel_crtc->active) + return; + + is_pch_port = haswell_crtc_driving_pch(crtc); + + for_each_encoder_on_crtc(dev, crtc, encoder) + encoder->disable(encoder); + + intel_crtc_wait_for_pending_flips(crtc); + drm_vblank_off(dev, pipe); + intel_crtc_update_cursor(crtc, false); + + intel_disable_plane(dev_priv, plane, pipe); + + if (dev_priv->cfb_plane == plane) + intel_disable_fbc(dev); + + intel_disable_pipe(dev_priv, pipe); + + intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); + + /* Disable PF */ + I915_WRITE(PF_CTL(pipe), 0); + I915_WRITE(PF_WIN_SZ(pipe), 0); + + intel_ddi_disable_pipe_clock(intel_crtc); + + for_each_encoder_on_crtc(dev, crtc, encoder) + if (encoder->post_disable) + encoder->post_disable(encoder); + + if (is_pch_port) { + lpt_disable_pch_transcoder(dev_priv); + intel_ddi_fdi_disable(crtc); + } + + intel_crtc->active = false; + intel_update_watermarks(dev); + + mutex_lock(&dev->struct_mutex); + intel_update_fbc(dev); + mutex_unlock(&dev->struct_mutex); +} + static void ironlake_crtc_off(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); intel_put_pch_pll(intel_crtc); } +static void haswell_crtc_off(struct drm_crtc *crtc) +{ + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + /* Stop saying we're using TRANSCODER_EDP because some other CRTC might + * start using it. */ + intel_crtc->cpu_transcoder = intel_crtc->pipe; + + intel_ddi_put_crtc_pll(crtc); +} + static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) { if (!enable && intel_crtc->overlay) { @@ -3841,6 +4118,17 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, } } + if (intel_encoder->type == INTEL_OUTPUT_EDP) { + /* Use VBT settings if we have an eDP panel */ + unsigned int edp_bpc = dev_priv->edp.bpp / 3; + + if (edp_bpc && edp_bpc < display_bpc) { + DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); + display_bpc = edp_bpc; + } + continue; + } + /* * HDMI is either 12 or 8, so if the display lets 10bpc sneak * through, clamp it down. (Note: >12bpc will be caught below.) @@ -4050,7 +4338,7 @@ static void vlv_update_pll(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, intel_clock_t *clock, intel_clock_t *reduced_clock, - int refclk, int num_connectors) + int num_connectors) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -4058,9 +4346,19 @@ static void vlv_update_pll(struct drm_crtc *crtc, int pipe = intel_crtc->pipe; u32 dpll, mdiv, pdiv; u32 bestn, bestm1, bestm2, bestp1, bestp2; - bool is_hdmi; + bool is_sdvo; + u32 temp; + + is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) || + intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI); - is_hdmi = intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI); + dpll = DPLL_VGA_MODE_DIS; + dpll |= DPLL_EXT_BUFFER_ENABLE_VLV; + dpll |= DPLL_REFA_CLK_ENABLE_VLV; + dpll |= DPLL_INTEGRATED_CLOCK_VLV; + + I915_WRITE(DPLL(pipe), dpll); + POSTING_READ(DPLL(pipe)); bestn = clock->n; bestm1 = clock->m1; @@ -4068,12 +4366,10 @@ static void vlv_update_pll(struct drm_crtc *crtc, bestp1 = clock->p1; bestp2 = clock->p2; - /* Enable DPIO clock input */ - dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | - DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; - I915_WRITE(DPLL(pipe), dpll); - POSTING_READ(DPLL(pipe)); - + /* + * In Valleyview PLL and program lane counter registers are exposed + * through DPIO interface + */ mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); mdiv |= ((bestn << DPIO_N_SHIFT)); @@ -4084,12 +4380,13 @@ static void vlv_update_pll(struct drm_crtc *crtc, intel_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), 0x01000000); - pdiv = DPIO_REFSEL_OVERRIDE | (5 << DPIO_PLL_MODESEL_SHIFT) | + pdiv = (1 << DPIO_REFSEL_OVERRIDE) | (5 << DPIO_PLL_MODESEL_SHIFT) | (3 << DPIO_BIAS_CURRENT_CTL_SHIFT) | (1<<20) | - (8 << DPIO_DRIVER_CTL_SHIFT) | (5 << DPIO_CLK_BIAS_CTL_SHIFT); + (7 << DPIO_PLL_REFCLK_SEL_SHIFT) | (8 << DPIO_DRIVER_CTL_SHIFT) | + (5 << DPIO_CLK_BIAS_CTL_SHIFT); intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), pdiv); - intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x009f0051); + intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x005f003b); dpll |= DPLL_VCO_ENABLE; I915_WRITE(DPLL(pipe), dpll); @@ -4097,19 +4394,44 @@ static void vlv_update_pll(struct drm_crtc *crtc, if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) DRM_ERROR("DPLL %d failed to lock\n", pipe); - if (is_hdmi) { - u32 temp = intel_mode_get_pixel_multiplier(adjusted_mode); + intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x620); + + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) + intel_dp_set_m_n(crtc, mode, adjusted_mode); + + I915_WRITE(DPLL(pipe), dpll); + + /* Wait for the clocks to stabilize. */ + POSTING_READ(DPLL(pipe)); + udelay(150); + temp = 0; + if (is_sdvo) { + temp = intel_mode_get_pixel_multiplier(adjusted_mode); if (temp > 1) temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; else temp = 0; - - I915_WRITE(DPLL_MD(pipe), temp); - POSTING_READ(DPLL_MD(pipe)); } + I915_WRITE(DPLL_MD(pipe), temp); + POSTING_READ(DPLL_MD(pipe)); - intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x641); /* ??? */ + /* Now program lane control registers */ + if(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) + || intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) + { + temp = 0x1000C4; + if(pipe == 1) + temp |= (1 << 21); + intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL1, temp); + } + if(intel_pipe_has_type(crtc,INTEL_OUTPUT_EDP)) + { + temp = 0x1000C4; + if(pipe == 1) + temp |= (1 << 21); + intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL2, temp); + } } static void i9xx_update_pll(struct drm_crtc *crtc, @@ -4125,6 +4447,8 @@ static void i9xx_update_pll(struct drm_crtc *crtc, u32 dpll; bool is_sdvo; + i9xx_update_pll_dividers(crtc, clock, reduced_clock); + is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) || intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI); @@ -4225,7 +4549,7 @@ static void i9xx_update_pll(struct drm_crtc *crtc, static void i8xx_update_pll(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode, - intel_clock_t *clock, + intel_clock_t *clock, intel_clock_t *reduced_clock, int num_connectors) { struct drm_device *dev = crtc->dev; @@ -4234,6 +4558,8 @@ static void i8xx_update_pll(struct drm_crtc *crtc, int pipe = intel_crtc->pipe; u32 dpll; + i9xx_update_pll_dividers(crtc, clock, reduced_clock); + dpll = DPLL_VGA_MODE_DIS; if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { @@ -4283,6 +4609,64 @@ static void i8xx_update_pll(struct drm_crtc *crtc, I915_WRITE(DPLL(pipe), dpll); } +static void intel_set_pipe_timings(struct intel_crtc *intel_crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = intel_crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum pipe pipe = intel_crtc->pipe; + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + uint32_t vsyncshift; + + if (!IS_GEN2(dev) && adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { + /* the chip adds 2 halflines automatically */ + adjusted_mode->crtc_vtotal -= 1; + adjusted_mode->crtc_vblank_end -= 1; + vsyncshift = adjusted_mode->crtc_hsync_start + - adjusted_mode->crtc_htotal / 2; + } else { + vsyncshift = 0; + } + + if (INTEL_INFO(dev)->gen > 3) + I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); + + I915_WRITE(HTOTAL(cpu_transcoder), + (adjusted_mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16)); + I915_WRITE(HBLANK(cpu_transcoder), + (adjusted_mode->crtc_hblank_start - 1) | + ((adjusted_mode->crtc_hblank_end - 1) << 16)); + I915_WRITE(HSYNC(cpu_transcoder), + (adjusted_mode->crtc_hsync_start - 1) | + ((adjusted_mode->crtc_hsync_end - 1) << 16)); + + I915_WRITE(VTOTAL(cpu_transcoder), + (adjusted_mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16)); + I915_WRITE(VBLANK(cpu_transcoder), + (adjusted_mode->crtc_vblank_start - 1) | + ((adjusted_mode->crtc_vblank_end - 1) << 16)); + I915_WRITE(VSYNC(cpu_transcoder), + (adjusted_mode->crtc_vsync_start - 1) | + ((adjusted_mode->crtc_vsync_end - 1) << 16)); + + /* Workaround: when the EDP input selection is B, the VTOTAL_B must be + * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is + * documented on the DDI_FUNC_CTL register description, EDP Input Select + * bits. */ + if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && + (pipe == PIPE_B || pipe == PIPE_C)) + I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); + + /* pipesrc controls the size that is scaled from, which should + * always be the user's requested size. + */ + I915_WRITE(PIPESRC(pipe), + ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); +} + static int i9xx_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, @@ -4296,7 +4680,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, int plane = intel_crtc->plane; int refclk, num_connectors = 0; intel_clock_t clock, reduced_clock; - u32 dspcntr, pipeconf, vsyncshift; + u32 dspcntr, pipeconf; bool ok, has_reduced_clock = false, is_sdvo = false; bool is_lvds = false, is_tv = false, is_dp = false; struct intel_encoder *encoder; @@ -4360,14 +4744,14 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, if (is_sdvo && is_tv) i9xx_adjust_sdvo_tv_clock(adjusted_mode, &clock); - i9xx_update_pll_dividers(crtc, &clock, has_reduced_clock ? - &reduced_clock : NULL); - if (IS_GEN2(dev)) - i8xx_update_pll(crtc, adjusted_mode, &clock, num_connectors); + i8xx_update_pll(crtc, adjusted_mode, &clock, + has_reduced_clock ? &reduced_clock : NULL, + num_connectors); else if (IS_VALLEYVIEW(dev)) - vlv_update_pll(crtc, mode,adjusted_mode, &clock, NULL, - refclk, num_connectors); + vlv_update_pll(crtc, mode, adjusted_mode, &clock, + has_reduced_clock ? &reduced_clock : NULL, + num_connectors); else i9xx_update_pll(crtc, mode, adjusted_mode, &clock, has_reduced_clock ? &reduced_clock : NULL, @@ -4408,6 +4792,14 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, } } + if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { + if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { + pipeconf |= PIPECONF_BPP_6 | + PIPECONF_ENABLE | + I965_PIPECONF_ACTIVE; + } + } + DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); drm_mode_debug_printmodeline(mode); @@ -4423,40 +4815,12 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, pipeconf &= ~PIPECONF_INTERLACE_MASK; if (!IS_GEN2(dev) && - adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { + adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; - /* the chip adds 2 halflines automatically */ - adjusted_mode->crtc_vtotal -= 1; - adjusted_mode->crtc_vblank_end -= 1; - vsyncshift = adjusted_mode->crtc_hsync_start - - adjusted_mode->crtc_htotal/2; - } else { + else pipeconf |= PIPECONF_PROGRESSIVE; - vsyncshift = 0; - } - if (!IS_GEN3(dev)) - I915_WRITE(VSYNCSHIFT(pipe), vsyncshift); - - I915_WRITE(HTOTAL(pipe), - (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - I915_WRITE(HBLANK(pipe), - (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - I915_WRITE(HSYNC(pipe), - (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - - I915_WRITE(VTOTAL(pipe), - (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - I915_WRITE(VBLANK(pipe), - (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - I915_WRITE(VSYNC(pipe), - (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); + intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); /* pipesrc and dspsize control the size that is scaled from, * which should always be the user's requested size. @@ -4465,8 +4829,6 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); I915_WRITE(DSPPOS(plane), 0); - I915_WRITE(PIPESRC(pipe), - ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); I915_WRITE(PIPECONF(pipe), pipeconf); POSTING_READ(PIPECONF(pipe)); @@ -4484,10 +4846,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, return ret; } -/* - * Initialize reference clocks when the driver loads - */ -void ironlake_init_pch_refclk(struct drm_device *dev) +static void ironlake_init_pch_refclk(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_mode_config *mode_config = &dev->mode_config; @@ -4601,6 +4960,182 @@ void ironlake_init_pch_refclk(struct drm_device *dev) } } +/* Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O. */ +static void lpt_init_pch_refclk(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_mode_config *mode_config = &dev->mode_config; + struct intel_encoder *encoder; + bool has_vga = false; + bool is_sdv = false; + u32 tmp; + + list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { + switch (encoder->type) { + case INTEL_OUTPUT_ANALOG: + has_vga = true; + break; + } + } + + if (!has_vga) + return; + + /* XXX: Rip out SDV support once Haswell ships for real. */ + if (IS_HASWELL(dev) && (dev->pci_device & 0xFF00) == 0x0C00) + is_sdv = true; + + tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); + tmp &= ~SBI_SSCCTL_DISABLE; + tmp |= SBI_SSCCTL_PATHALT; + intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); + + udelay(24); + + tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); + tmp &= ~SBI_SSCCTL_PATHALT; + intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); + + if (!is_sdv) { + tmp = I915_READ(SOUTH_CHICKEN2); + tmp |= FDI_MPHY_IOSFSB_RESET_CTL; + I915_WRITE(SOUTH_CHICKEN2, tmp); + + if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & + FDI_MPHY_IOSFSB_RESET_STATUS, 100)) + DRM_ERROR("FDI mPHY reset assert timeout\n"); + + tmp = I915_READ(SOUTH_CHICKEN2); + tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; + I915_WRITE(SOUTH_CHICKEN2, tmp); + + if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & + FDI_MPHY_IOSFSB_RESET_STATUS) == 0, + 100)) + DRM_ERROR("FDI mPHY reset de-assert timeout\n"); + } + + tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); + tmp &= ~(0xFF << 24); + tmp |= (0x12 << 24); + intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); + + if (!is_sdv) { + tmp = intel_sbi_read(dev_priv, 0x808C, SBI_MPHY); + tmp &= ~(0x3 << 6); + tmp |= (1 << 6) | (1 << 0); + intel_sbi_write(dev_priv, 0x808C, tmp, SBI_MPHY); + } + + if (is_sdv) { + tmp = intel_sbi_read(dev_priv, 0x800C, SBI_MPHY); + tmp |= 0x7FFF; + intel_sbi_write(dev_priv, 0x800C, tmp, SBI_MPHY); + } + + tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); + tmp |= (1 << 11); + intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); + tmp |= (1 << 11); + intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); + + if (is_sdv) { + tmp = intel_sbi_read(dev_priv, 0x2038, SBI_MPHY); + tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); + intel_sbi_write(dev_priv, 0x2038, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2138, SBI_MPHY); + tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); + intel_sbi_write(dev_priv, 0x2138, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x203C, SBI_MPHY); + tmp |= (0x3F << 8); + intel_sbi_write(dev_priv, 0x203C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x213C, SBI_MPHY); + tmp |= (0x3F << 8); + intel_sbi_write(dev_priv, 0x213C, tmp, SBI_MPHY); + } + + tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); + tmp |= (1 << 24) | (1 << 21) | (1 << 18); + intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); + tmp |= (1 << 24) | (1 << 21) | (1 << 18); + intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); + + if (!is_sdv) { + tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); + tmp &= ~(7 << 13); + tmp |= (5 << 13); + intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); + tmp &= ~(7 << 13); + tmp |= (5 << 13); + intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); + } + + tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); + tmp &= ~0xFF; + tmp |= 0x1C; + intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); + tmp &= ~0xFF; + tmp |= 0x1C; + intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); + tmp &= ~(0xFF << 16); + tmp |= (0x1C << 16); + intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); + tmp &= ~(0xFF << 16); + tmp |= (0x1C << 16); + intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); + + if (!is_sdv) { + tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); + tmp |= (1 << 27); + intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); + tmp |= (1 << 27); + intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); + tmp &= ~(0xF << 28); + tmp |= (4 << 28); + intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); + + tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); + tmp &= ~(0xF << 28); + tmp |= (4 << 28); + intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); + } + + /* ULT uses SBI_GEN0, but ULT doesn't have VGA, so we don't care. */ + tmp = intel_sbi_read(dev_priv, SBI_DBUFF0, SBI_ICLK); + tmp |= SBI_DBUFF0_ENABLE; + intel_sbi_write(dev_priv, SBI_DBUFF0, tmp, SBI_ICLK); +} + +/* + * Initialize reference clocks when the driver loads + */ +void intel_init_pch_refclk(struct drm_device *dev) +{ + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) + ironlake_init_pch_refclk(dev); + else if (HAS_PCH_LPT(dev)) + lpt_init_pch_refclk(dev); +} + static int ironlake_get_refclk(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -4657,8 +5192,8 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc, val |= PIPE_12BPC; break; default: - val |= PIPE_8BPC; - break; + /* Case prevented by intel_choose_pipe_bpp_dither. */ + BUG(); } val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); @@ -4675,6 +5210,31 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc, POSTING_READ(PIPECONF(pipe)); } +static void haswell_set_pipeconf(struct drm_crtc *crtc, + struct drm_display_mode *adjusted_mode, + bool dither) +{ + struct drm_i915_private *dev_priv = crtc->dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + uint32_t val; + + val = I915_READ(PIPECONF(cpu_transcoder)); + + val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); + if (dither) + val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); + + val &= ~PIPECONF_INTERLACE_MASK_HSW; + if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) + val |= PIPECONF_INTERLACED_ILK; + else + val |= PIPECONF_PROGRESSIVE; + + I915_WRITE(PIPECONF(cpu_transcoder), val); + POSTING_READ(PIPECONF(cpu_transcoder)); +} + static bool ironlake_compute_clocks(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode, intel_clock_t *clock, @@ -4738,74 +5298,126 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc, return true; } -static int ironlake_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *fb) +static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t temp; + + temp = I915_READ(SOUTH_CHICKEN1); + if (temp & FDI_BC_BIFURCATION_SELECT) + return; + + WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); + WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); + + temp |= FDI_BC_BIFURCATION_SELECT; + DRM_DEBUG_KMS("enabling fdi C rx\n"); + I915_WRITE(SOUTH_CHICKEN1, temp); + POSTING_READ(SOUTH_CHICKEN1); +} + +static bool ironlake_check_fdi_lanes(struct intel_crtc *intel_crtc) +{ + struct drm_device *dev = intel_crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *pipe_B_crtc = + to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); + + DRM_DEBUG_KMS("checking fdi config on pipe %i, lanes %i\n", + intel_crtc->pipe, intel_crtc->fdi_lanes); + if (intel_crtc->fdi_lanes > 4) { + DRM_DEBUG_KMS("invalid fdi lane config on pipe %i: %i lanes\n", + intel_crtc->pipe, intel_crtc->fdi_lanes); + /* Clamp lanes to avoid programming the hw with bogus values. */ + intel_crtc->fdi_lanes = 4; + + return false; + } + + if (dev_priv->num_pipe == 2) + return true; + + switch (intel_crtc->pipe) { + case PIPE_A: + return true; + case PIPE_B: + if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && + intel_crtc->fdi_lanes > 2) { + DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n", + intel_crtc->pipe, intel_crtc->fdi_lanes); + /* Clamp lanes to avoid programming the hw with bogus values. */ + intel_crtc->fdi_lanes = 2; + + return false; + } + + if (intel_crtc->fdi_lanes > 2) + WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); + else + cpt_enable_fdi_bc_bifurcation(dev); + + return true; + case PIPE_C: + if (!pipe_B_crtc->base.enabled || pipe_B_crtc->fdi_lanes <= 2) { + if (intel_crtc->fdi_lanes > 2) { + DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n", + intel_crtc->pipe, intel_crtc->fdi_lanes); + /* Clamp lanes to avoid programming the hw with bogus values. */ + intel_crtc->fdi_lanes = 2; + + return false; + } + } else { + DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); + return false; + } + + cpt_enable_fdi_bc_bifurcation(dev); + + return true; + default: + BUG(); + } +} + +int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) +{ + /* + * Account for spread spectrum to avoid + * oversubscribing the link. Max center spread + * is 2.5%; use 5% for safety's sake. + */ + u32 bps = target_clock * bpp * 21 / 20; + return bps / (link_bw * 8) + 1; +} + +static void ironlake_set_m_n(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int pipe = intel_crtc->pipe; - int plane = intel_crtc->plane; - int num_connectors = 0; - intel_clock_t clock, reduced_clock; - u32 dpll, fp = 0, fp2 = 0; - bool ok, has_reduced_clock = false, is_sdvo = false; - bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false; - struct intel_encoder *encoder, *edp_encoder = NULL; - int ret; + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + struct intel_encoder *intel_encoder, *edp_encoder = NULL; struct fdi_m_n m_n = {0}; - u32 temp; - int target_clock, pixel_multiplier, lane, link_bw, factor; - unsigned int pipe_bpp; - bool dither; - bool is_cpu_edp = false, is_pch_edp = false; + int target_clock, pixel_multiplier, lane, link_bw; + bool is_dp = false, is_cpu_edp = false; - for_each_encoder_on_crtc(dev, crtc, encoder) { - switch (encoder->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; - case INTEL_OUTPUT_SDVO: - case INTEL_OUTPUT_HDMI: - is_sdvo = true; - if (encoder->needs_tv_clock) - is_tv = true; - break; - case INTEL_OUTPUT_TVOUT: - is_tv = true; - break; - case INTEL_OUTPUT_ANALOG: - is_crt = true; - break; + for_each_encoder_on_crtc(dev, crtc, intel_encoder) { + switch (intel_encoder->type) { case INTEL_OUTPUT_DISPLAYPORT: is_dp = true; break; case INTEL_OUTPUT_EDP: is_dp = true; - if (intel_encoder_is_pch_edp(&encoder->base)) - is_pch_edp = true; - else + if (!intel_encoder_is_pch_edp(&intel_encoder->base)) is_cpu_edp = true; - edp_encoder = encoder; + edp_encoder = intel_encoder; break; } - - num_connectors++; } - ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, - &has_reduced_clock, &reduced_clock); - if (!ok) { - DRM_ERROR("Couldn't find PLL settings for mode!\n"); - return -EINVAL; - } - - /* Ensure that the cursor is valid for the new mode before changing... */ - intel_crtc_update_cursor(crtc, true); - /* FDI link */ pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); lane = 0; @@ -4832,29 +5444,9 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, else target_clock = adjusted_mode->clock; - /* determine panel color depth */ - dither = intel_choose_pipe_bpp_dither(crtc, fb, &pipe_bpp, - adjusted_mode); - if (is_lvds && dev_priv->lvds_dither) - dither = true; - - if (pipe_bpp != 18 && pipe_bpp != 24 && pipe_bpp != 30 && - pipe_bpp != 36) { - WARN(1, "intel_choose_pipe_bpp returned invalid value %d\n", - pipe_bpp); - pipe_bpp = 24; - } - intel_crtc->bpp = pipe_bpp; - - if (!lane) { - /* - * Account for spread spectrum to avoid - * oversubscribing the link. Max center spread - * is 2.5%; use 5% for safety's sake. - */ - u32 bps = target_clock * intel_crtc->bpp * 21 / 20; - lane = bps / (link_bw * 8) + 1; - } + if (!lane) + lane = ironlake_get_lanes_required(target_clock, link_bw, + intel_crtc->bpp); intel_crtc->fdi_lanes = lane; @@ -4863,10 +5455,51 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, ironlake_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw, &m_n); - fp = clock.n << 16 | clock.m1 << 8 | clock.m2; - if (has_reduced_clock) - fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 | - reduced_clock.m2; + I915_WRITE(PIPE_DATA_M1(cpu_transcoder), TU_SIZE(m_n.tu) | m_n.gmch_m); + I915_WRITE(PIPE_DATA_N1(cpu_transcoder), m_n.gmch_n); + I915_WRITE(PIPE_LINK_M1(cpu_transcoder), m_n.link_m); + I915_WRITE(PIPE_LINK_N1(cpu_transcoder), m_n.link_n); +} + +static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, + struct drm_display_mode *adjusted_mode, + intel_clock_t *clock, u32 fp) +{ + struct drm_crtc *crtc = &intel_crtc->base; + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_encoder *intel_encoder; + uint32_t dpll; + int factor, pixel_multiplier, num_connectors = 0; + bool is_lvds = false, is_sdvo = false, is_tv = false; + bool is_dp = false, is_cpu_edp = false; + + for_each_encoder_on_crtc(dev, crtc, intel_encoder) { + switch (intel_encoder->type) { + case INTEL_OUTPUT_LVDS: + is_lvds = true; + break; + case INTEL_OUTPUT_SDVO: + case INTEL_OUTPUT_HDMI: + is_sdvo = true; + if (intel_encoder->needs_tv_clock) + is_tv = true; + break; + case INTEL_OUTPUT_TVOUT: + is_tv = true; + break; + case INTEL_OUTPUT_DISPLAYPORT: + is_dp = true; + break; + case INTEL_OUTPUT_EDP: + is_dp = true; + if (!intel_encoder_is_pch_edp(&intel_encoder->base)) + is_cpu_edp = true; + break; + } + + num_connectors++; + } /* Enable autotuning of the PLL clock (if permissible) */ factor = 21; @@ -4878,7 +5511,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, } else if (is_sdvo && is_tv) factor = 20; - if (clock.m < factor * clock.n) + if (clock->m < factor * clock->n) fp |= FP_CB_TUNE; dpll = 0; @@ -4888,7 +5521,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, else dpll |= DPLLB_MODE_DAC_SERIAL; if (is_sdvo) { - int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); + pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); if (pixel_multiplier > 1) { dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; } @@ -4898,11 +5531,11 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, dpll |= DPLL_DVO_HIGH_SPEED; /* compute bitmask from p1 value */ - dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; + dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; /* also FPA1 */ - dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; + dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; - switch (clock.p2) { + switch (clock->p2) { case 5: dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; break; @@ -4928,15 +5561,79 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, else dpll |= PLL_REF_INPUT_DREFCLK; + return dpll; +} + +static int ironlake_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, + struct drm_framebuffer *fb) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int pipe = intel_crtc->pipe; + int plane = intel_crtc->plane; + int num_connectors = 0; + intel_clock_t clock, reduced_clock; + u32 dpll, fp = 0, fp2 = 0; + bool ok, has_reduced_clock = false; + bool is_lvds = false, is_dp = false, is_cpu_edp = false; + struct intel_encoder *encoder; + u32 temp; + int ret; + bool dither, fdi_config_ok; + + for_each_encoder_on_crtc(dev, crtc, encoder) { + switch (encoder->type) { + case INTEL_OUTPUT_LVDS: + is_lvds = true; + break; + case INTEL_OUTPUT_DISPLAYPORT: + is_dp = true; + break; + case INTEL_OUTPUT_EDP: + is_dp = true; + if (!intel_encoder_is_pch_edp(&encoder->base)) + is_cpu_edp = true; + break; + } + + num_connectors++; + } + + WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), + "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); + + ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, + &has_reduced_clock, &reduced_clock); + if (!ok) { + DRM_ERROR("Couldn't find PLL settings for mode!\n"); + return -EINVAL; + } + + /* Ensure that the cursor is valid for the new mode before changing... */ + intel_crtc_update_cursor(crtc, true); + + /* determine panel color depth */ + dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, + adjusted_mode); + if (is_lvds && dev_priv->lvds_dither) + dither = true; + + fp = clock.n << 16 | clock.m1 << 8 | clock.m2; + if (has_reduced_clock) + fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 | + reduced_clock.m2; + + dpll = ironlake_compute_dpll(intel_crtc, adjusted_mode, &clock, fp); + DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe); drm_mode_debug_printmodeline(mode); - /* CPU eDP is the only output that doesn't need a PCH PLL of its own on - * pre-Haswell/LPT generation */ - if (HAS_PCH_LPT(dev)) { - DRM_DEBUG_KMS("LPT detected: no PLL for pipe %d necessary\n", - pipe); - } else if (!is_cpu_edp) { + /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ + if (!is_cpu_edp) { struct intel_pch_pll *pll; pll = intel_get_pch_pll(intel_crtc, dpll, fp); @@ -5022,47 +5719,13 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, } } - if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { - /* the chip adds 2 halflines automatically */ - adjusted_mode->crtc_vtotal -= 1; - adjusted_mode->crtc_vblank_end -= 1; - I915_WRITE(VSYNCSHIFT(pipe), - adjusted_mode->crtc_hsync_start - - adjusted_mode->crtc_htotal/2); - } else { - I915_WRITE(VSYNCSHIFT(pipe), 0); - } - - I915_WRITE(HTOTAL(pipe), - (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - I915_WRITE(HBLANK(pipe), - (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - I915_WRITE(HSYNC(pipe), - (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); + intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); - I915_WRITE(VTOTAL(pipe), - (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - I915_WRITE(VBLANK(pipe), - (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - I915_WRITE(VSYNC(pipe), - (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); - - /* pipesrc controls the size that is scaled from, which should - * always be the user's requested size. - */ - I915_WRITE(PIPESRC(pipe), - ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); + /* Note, this also computes intel_crtc->fdi_lanes which is used below in + * ironlake_check_fdi_lanes. */ + ironlake_set_m_n(crtc, mode, adjusted_mode); - I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m); - I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n); - I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m); - I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n); + fdi_config_ok = ironlake_check_fdi_lanes(intel_crtc); if (is_cpu_edp) ironlake_set_pll_edp(crtc, adjusted_mode->clock); @@ -5081,6 +5744,217 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, intel_update_linetime_watermarks(dev, pipe, adjusted_mode); + return fdi_config_ok ? ret : -EINVAL; +} + +static int haswell_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, + struct drm_framebuffer *fb) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int pipe = intel_crtc->pipe; + int plane = intel_crtc->plane; + int num_connectors = 0; + intel_clock_t clock, reduced_clock; + u32 dpll = 0, fp = 0, fp2 = 0; + bool ok, has_reduced_clock = false; + bool is_lvds = false, is_dp = false, is_cpu_edp = false; + struct intel_encoder *encoder; + u32 temp; + int ret; + bool dither; + + for_each_encoder_on_crtc(dev, crtc, encoder) { + switch (encoder->type) { + case INTEL_OUTPUT_LVDS: + is_lvds = true; + break; + case INTEL_OUTPUT_DISPLAYPORT: + is_dp = true; + break; + case INTEL_OUTPUT_EDP: + is_dp = true; + if (!intel_encoder_is_pch_edp(&encoder->base)) + is_cpu_edp = true; + break; + } + + num_connectors++; + } + + if (is_cpu_edp) + intel_crtc->cpu_transcoder = TRANSCODER_EDP; + else + intel_crtc->cpu_transcoder = pipe; + + /* We are not sure yet this won't happen. */ + WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n", + INTEL_PCH_TYPE(dev)); + + WARN(num_connectors != 1, "%d connectors attached to pipe %c\n", + num_connectors, pipe_name(pipe)); + + WARN_ON(I915_READ(PIPECONF(intel_crtc->cpu_transcoder)) & + (PIPECONF_ENABLE | I965_PIPECONF_ACTIVE)); + + WARN_ON(I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE); + + if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock)) + return -EINVAL; + + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { + ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, + &has_reduced_clock, + &reduced_clock); + if (!ok) { + DRM_ERROR("Couldn't find PLL settings for mode!\n"); + return -EINVAL; + } + } + + /* Ensure that the cursor is valid for the new mode before changing... */ + intel_crtc_update_cursor(crtc, true); + + /* determine panel color depth */ + dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, + adjusted_mode); + if (is_lvds && dev_priv->lvds_dither) + dither = true; + + DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe); + drm_mode_debug_printmodeline(mode); + + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { + fp = clock.n << 16 | clock.m1 << 8 | clock.m2; + if (has_reduced_clock) + fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 | + reduced_clock.m2; + + dpll = ironlake_compute_dpll(intel_crtc, adjusted_mode, &clock, + fp); + + /* CPU eDP is the only output that doesn't need a PCH PLL of its + * own on pre-Haswell/LPT generation */ + if (!is_cpu_edp) { + struct intel_pch_pll *pll; + + pll = intel_get_pch_pll(intel_crtc, dpll, fp); + if (pll == NULL) { + DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n", + pipe); + return -EINVAL; + } + } else + intel_put_pch_pll(intel_crtc); + + /* The LVDS pin pair needs to be on before the DPLLs are + * enabled. This is an exception to the general rule that + * mode_set doesn't turn things on. + */ + if (is_lvds) { + temp = I915_READ(PCH_LVDS); + temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; + if (HAS_PCH_CPT(dev)) { + temp &= ~PORT_TRANS_SEL_MASK; + temp |= PORT_TRANS_SEL_CPT(pipe); + } else { + if (pipe == 1) + temp |= LVDS_PIPEB_SELECT; + else + temp &= ~LVDS_PIPEB_SELECT; + } + + /* set the corresponsding LVDS_BORDER bit */ + temp |= dev_priv->lvds_border_bits; + /* Set the B0-B3 data pairs corresponding to whether + * we're going to set the DPLLs for dual-channel mode or + * not. + */ + if (clock.p2 == 7) + temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; + else + temp &= ~(LVDS_B0B3_POWER_UP | + LVDS_CLKB_POWER_UP); + + /* It would be nice to set 24 vs 18-bit mode + * (LVDS_A3_POWER_UP) appropriately here, but we need to + * look more thoroughly into how panels behave in the + * two modes. + */ + temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); + if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) + temp |= LVDS_HSYNC_POLARITY; + if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) + temp |= LVDS_VSYNC_POLARITY; + I915_WRITE(PCH_LVDS, temp); + } + } + + if (is_dp && !is_cpu_edp) { + intel_dp_set_m_n(crtc, mode, adjusted_mode); + } else { + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { + /* For non-DP output, clear any trans DP clock recovery + * setting.*/ + I915_WRITE(TRANSDATA_M1(pipe), 0); + I915_WRITE(TRANSDATA_N1(pipe), 0); + I915_WRITE(TRANSDPLINK_M1(pipe), 0); + I915_WRITE(TRANSDPLINK_N1(pipe), 0); + } + } + + intel_crtc->lowfreq_avail = false; + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { + if (intel_crtc->pch_pll) { + I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); + + /* Wait for the clocks to stabilize. */ + POSTING_READ(intel_crtc->pch_pll->pll_reg); + udelay(150); + + /* The pixel multiplier can only be updated once the + * DPLL is enabled and the clocks are stable. + * + * So write it again. + */ + I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); + } + + if (intel_crtc->pch_pll) { + if (is_lvds && has_reduced_clock && i915_powersave) { + I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2); + intel_crtc->lowfreq_avail = true; + } else { + I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp); + } + } + } + + intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); + + if (!is_dp || is_cpu_edp) + ironlake_set_m_n(crtc, mode, adjusted_mode); + + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) + if (is_cpu_edp) + ironlake_set_pll_edp(crtc, adjusted_mode->clock); + + haswell_set_pipeconf(crtc, adjusted_mode, dither); + + /* Set up the display plane register */ + I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); + POSTING_READ(DSPCNTR(plane)); + + ret = intel_pipe_set_base(crtc, x, y, fb); + + intel_update_watermarks(dev); + + intel_update_linetime_watermarks(dev, pipe, adjusted_mode); + return ret; } @@ -5092,6 +5966,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_encoder_helper_funcs *encoder_funcs; + struct intel_encoder *encoder; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_crtc->pipe; int ret; @@ -5102,7 +5978,19 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, x, y, fb); drm_vblank_post_modeset(dev, pipe); - return ret; + if (ret != 0) + return ret; + + for_each_encoder_on_crtc(dev, crtc, encoder) { + DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", + encoder->base.base.id, + drm_get_encoder_name(&encoder->base), + mode->base.id, mode->name); + encoder_funcs = encoder->base.helper_private; + encoder_funcs->mode_set(&encoder->base, mode, adjusted_mode); + } + + return 0; } static bool intel_eld_uptodate(struct drm_connector *connector, @@ -5738,7 +6626,7 @@ intel_framebuffer_create_for_mode(struct drm_device *dev, int depth, int bpp) { struct drm_i915_gem_object *obj; - struct drm_mode_fb_cmd2 mode_cmd; + struct drm_mode_fb_cmd2 mode_cmd = { 0 }; obj = i915_gem_alloc_object(dev, intel_framebuffer_size_for_mode(mode, bpp)); @@ -5868,24 +6756,19 @@ bool intel_get_load_detect_pipe(struct drm_connector *connector, DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); if (IS_ERR(fb)) { DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); - goto fail; + return false; } if (!intel_set_mode(crtc, mode, 0, 0, fb)) { DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); if (old->release_fb) old->release_fb->funcs->destroy(old->release_fb); - goto fail; + return false; } /* let the connector get through one full cycle before testing */ intel_wait_for_vblank(dev, intel_crtc->pipe); - return true; -fail: - connector->encoder = NULL; - encoder->crtc = NULL; - return false; } void intel_release_load_detect_pipe(struct drm_connector *connector, @@ -6010,12 +6893,12 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int pipe = intel_crtc->pipe; + enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; struct drm_display_mode *mode; - int htot = I915_READ(HTOTAL(pipe)); - int hsync = I915_READ(HSYNC(pipe)); - int vtot = I915_READ(VTOTAL(pipe)); - int vsync = I915_READ(VSYNC(pipe)); + int htot = I915_READ(HTOTAL(cpu_transcoder)); + int hsync = I915_READ(HSYNC(cpu_transcoder)); + int vtot = I915_READ(VTOTAL(cpu_transcoder)); + int vsync = I915_READ(VSYNC(cpu_transcoder)); mode = kzalloc(sizeof(*mode), GFP_KERNEL); if (!mode) @@ -6172,14 +7055,19 @@ static void intel_unpin_work_fn(struct work_struct *__work) { struct intel_unpin_work *work = container_of(__work, struct intel_unpin_work, work); + struct drm_device *dev = work->crtc->dev; - mutex_lock(&work->dev->struct_mutex); + mutex_lock(&dev->struct_mutex); intel_unpin_fb_obj(work->old_fb_obj); drm_gem_object_unreference(&work->pending_flip_obj->base); drm_gem_object_unreference(&work->old_fb_obj->base); - intel_update_fbc(work->dev); - mutex_unlock(&work->dev->struct_mutex); + intel_update_fbc(dev); + mutex_unlock(&dev->struct_mutex); + + BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); + atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); + kfree(work); } @@ -6190,8 +7078,6 @@ static void do_intel_finish_page_flip(struct drm_device *dev, struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_unpin_work *work; struct drm_i915_gem_object *obj; - struct drm_pending_vblank_event *e; - struct timeval tvbl; unsigned long flags; /* Ignore early vblank irqs */ @@ -6200,24 +7086,22 @@ static void do_intel_finish_page_flip(struct drm_device *dev, spin_lock_irqsave(&dev->event_lock, flags); work = intel_crtc->unpin_work; - if (work == NULL || !work->pending) { + + /* Ensure we don't miss a work->pending update ... */ + smp_rmb(); + + if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { spin_unlock_irqrestore(&dev->event_lock, flags); return; } - intel_crtc->unpin_work = NULL; + /* and that the unpin work is consistent wrt ->pending. */ + smp_rmb(); - if (work->event) { - e = work->event; - e->event.sequence = drm_vblank_count_and_time(dev, intel_crtc->pipe, &tvbl); + intel_crtc->unpin_work = NULL; - e->event.tv_sec = tvbl.tv_sec; - e->event.tv_usec = tvbl.tv_usec; - - list_add_tail(&e->base.link, - &e->base.file_priv->event_list); - wake_up_interruptible(&e->base.file_priv->event_wait); - } + if (work->event) + drm_send_vblank_event(dev, intel_crtc->pipe, work->event); drm_vblank_put(dev, intel_crtc->pipe); @@ -6227,9 +7111,9 @@ static void do_intel_finish_page_flip(struct drm_device *dev, atomic_clear_mask(1 << intel_crtc->plane, &obj->pending_flip.counter); - wake_up(&dev_priv->pending_flip_queue); - schedule_work(&work->work); + + queue_work(dev_priv->wq, &work->work); trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); } @@ -6257,16 +7141,25 @@ void intel_prepare_page_flip(struct drm_device *dev, int plane) to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); unsigned long flags; + /* NB: An MMIO update of the plane base pointer will also + * generate a page-flip completion irq, i.e. every modeset + * is also accompanied by a spurious intel_prepare_page_flip(). + */ spin_lock_irqsave(&dev->event_lock, flags); - if (intel_crtc->unpin_work) { - if ((++intel_crtc->unpin_work->pending) > 1) - DRM_ERROR("Prepared flip multiple times\n"); - } else { - DRM_DEBUG_DRIVER("preparing flip with no unpin work?\n"); - } + if (intel_crtc->unpin_work) + atomic_inc_not_zero(&intel_crtc->unpin_work->pending); spin_unlock_irqrestore(&dev->event_lock, flags); } +inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) +{ + /* Ensure that the work item is consistent when activating it ... */ + smp_wmb(); + atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); + /* and that it is marked active as soon as the irq could fire. */ + smp_wmb(); +} + static int intel_gen2_queue_flip(struct drm_device *dev, struct drm_crtc *crtc, struct drm_framebuffer *fb, @@ -6300,6 +7193,8 @@ static int intel_gen2_queue_flip(struct drm_device *dev, intel_ring_emit(ring, fb->pitches[0]); intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); intel_ring_emit(ring, 0); /* aux display base address, unused */ + + intel_mark_page_flip_active(intel_crtc); intel_ring_advance(ring); return 0; @@ -6340,6 +7235,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev, intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); intel_ring_emit(ring, MI_NOOP); + intel_mark_page_flip_active(intel_crtc); intel_ring_advance(ring); return 0; @@ -6386,6 +7282,8 @@ static int intel_gen4_queue_flip(struct drm_device *dev, pf = 0; pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; intel_ring_emit(ring, pf | pipesrc); + + intel_mark_page_flip_active(intel_crtc); intel_ring_advance(ring); return 0; @@ -6428,6 +7326,8 @@ static int intel_gen6_queue_flip(struct drm_device *dev, pf = 0; pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; intel_ring_emit(ring, pf | pipesrc); + + intel_mark_page_flip_active(intel_crtc); intel_ring_advance(ring); return 0; @@ -6482,6 +7382,8 @@ static int intel_gen7_queue_flip(struct drm_device *dev, intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); intel_ring_emit(ring, (MI_NOOP)); + + intel_mark_page_flip_active(intel_crtc); intel_ring_advance(ring); return 0; @@ -6530,7 +7432,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, return -ENOMEM; work->event = event; - work->dev = crtc->dev; + work->crtc = crtc; intel_fb = to_intel_framebuffer(crtc->fb); work->old_fb_obj = intel_fb->obj; INIT_WORK(&work->work, intel_unpin_work_fn); @@ -6555,6 +7457,9 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, intel_fb = to_intel_framebuffer(fb); obj = intel_fb->obj; + if (atomic_read(&intel_crtc->unpin_work_count) >= 2) + flush_workqueue(dev_priv->wq); + ret = i915_mutex_lock_interruptible(dev); if (ret) goto cleanup; @@ -6573,6 +7478,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, * the flip occurs and the object is no longer visible. */ atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); + atomic_inc(&intel_crtc->unpin_work_count); ret = dev_priv->display.queue_flip(dev, crtc, fb, obj); if (ret) @@ -6587,6 +7493,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, return 0; cleanup_pending: + atomic_dec(&intel_crtc->unpin_work_count); atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); drm_gem_object_unreference(&work->old_fb_obj->base); drm_gem_object_unreference(&obj->base); @@ -6882,7 +7789,7 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) dev->mode_config.dpms_property; connector->dpms = DRM_MODE_DPMS_ON; - drm_connector_property_set_value(connector, + drm_object_property_set_value(&connector->base, dpms_property, DRM_MODE_DPMS_ON); @@ -7004,8 +7911,6 @@ bool intel_set_mode(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; drm_i915_private_t *dev_priv = dev->dev_private; struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode; - struct drm_encoder_helper_funcs *encoder_funcs; - struct drm_encoder *encoder; struct intel_crtc *intel_crtc; unsigned disable_pipes, prepare_pipes, modeset_pipes; bool ret = true; @@ -7050,6 +7955,9 @@ bool intel_set_mode(struct drm_crtc *crtc, * update the the output configuration. */ intel_modeset_update_state(dev, prepare_pipes); + if (dev_priv->display.modeset_global_resources) + dev_priv->display.modeset_global_resources(dev); + /* Set up the DPLL and any encoders state that needs to adjust or depend * on the DPLL. */ @@ -7059,18 +7967,6 @@ bool intel_set_mode(struct drm_crtc *crtc, x, y, fb); if (!ret) goto done; - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - - if (encoder->crtc != &intel_crtc->base) - continue; - - DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", - encoder->base.id, drm_get_encoder_name(encoder), - mode->base.id, mode->name); - encoder_funcs = encoder->helper_private; - encoder_funcs->mode_set(encoder, mode, adjusted_mode); - } } /* Now enable the clocks, plane, pipe, and connectors that we set up. */ @@ -7248,10 +8144,6 @@ intel_modeset_stage_output_state(struct drm_device *dev, DRM_DEBUG_KMS("encoder changed, full mode switch\n"); config->mode_changed = true; } - - /* Disable all disconnected encoders. */ - if (connector->base.status == connector_status_disconnected) - connector->new_encoder = NULL; } /* connector->new_encoder is now updated for all connectors. */ @@ -7409,6 +8301,12 @@ static const struct drm_crtc_funcs intel_crtc_funcs = { .page_flip = intel_crtc_page_flip, }; +static void intel_cpu_pll_init(struct drm_device *dev) +{ + if (IS_HASWELL(dev)) + intel_ddi_pll_init(dev); +} + static void intel_pch_pll_init(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -7448,6 +8346,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) /* Swap pipes & planes for FBC on pre-965 */ intel_crtc->pipe = pipe; intel_crtc->plane = pipe; + intel_crtc->cpu_transcoder = pipe; if (IS_MOBILE(dev) && IS_GEN3(dev)) { DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); intel_crtc->plane = !pipe; @@ -7540,17 +8439,9 @@ static void intel_setup_outputs(struct drm_device *dev) I915_WRITE(PFIT_CONTROL, 0); } - if (HAS_PCH_SPLIT(dev)) { - dpd_is_edp = intel_dpd_is_edp(dev); - - if (has_edp_a(dev)) - intel_dp_init(dev, DP_A, PORT_A); - - if (dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED)) - intel_dp_init(dev, PCH_DP_D, PORT_D); - } - - intel_crt_init(dev); + if (!(IS_HASWELL(dev) && + (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES))) + intel_crt_init(dev); if (IS_HASWELL(dev)) { int found; @@ -7573,6 +8464,10 @@ static void intel_setup_outputs(struct drm_device *dev) intel_ddi_init(dev, PORT_D); } else if (HAS_PCH_SPLIT(dev)) { int found; + dpd_is_edp = intel_dpd_is_edp(dev); + + if (has_edp_a(dev)) + intel_dp_init(dev, DP_A, PORT_A); if (I915_READ(HDMIB) & PORT_DETECTED) { /* PCH SDVOB multiplex with HDMIB */ @@ -7592,11 +8487,15 @@ static void intel_setup_outputs(struct drm_device *dev) if (I915_READ(PCH_DP_C) & DP_DETECTED) intel_dp_init(dev, PCH_DP_C, PORT_C); - if (!dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED)) + if (I915_READ(PCH_DP_D) & DP_DETECTED) intel_dp_init(dev, PCH_DP_D, PORT_D); } else if (IS_VALLEYVIEW(dev)) { int found; + /* Check for built-in panel first. Shares lanes with HDMI on SDVOC */ + if (I915_READ(DP_C) & DP_DETECTED) + intel_dp_init(dev, DP_C, PORT_C); + if (I915_READ(SDVOB) & PORT_DETECTED) { /* SDVOB multiplex with HDMIB */ found = intel_sdvo_init(dev, SDVOB, true); @@ -7609,9 +8508,6 @@ static void intel_setup_outputs(struct drm_device *dev) if (I915_READ(SDVOC) & PORT_DETECTED) intel_hdmi_init(dev, SDVOC, PORT_C); - /* Shares lanes with HDMI on SDVOC */ - if (I915_READ(DP_C) & DP_DETECTED) - intel_dp_init(dev, DP_C, PORT_C); } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { bool found = false; @@ -7665,8 +8561,9 @@ static void intel_setup_outputs(struct drm_device *dev) intel_encoder_clones(encoder); } - if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) - ironlake_init_pch_refclk(dev); + intel_init_pch_refclk(dev); + + drm_helper_move_panel_connectors_to_head(dev); } static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) @@ -7707,27 +8604,51 @@ int intel_framebuffer_init(struct drm_device *dev, if (mode_cmd->pitches[0] & 63) return -EINVAL; + /* FIXME <= Gen4 stride limits are bit unclear */ + if (mode_cmd->pitches[0] > 32768) + return -EINVAL; + + if (obj->tiling_mode != I915_TILING_NONE && + mode_cmd->pitches[0] != obj->stride) + return -EINVAL; + + /* Reject formats not supported by any plane early. */ switch (mode_cmd->pixel_format) { - case DRM_FORMAT_RGB332: + case DRM_FORMAT_C8: case DRM_FORMAT_RGB565: case DRM_FORMAT_XRGB8888: - case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ARGB8888: + break; + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: + if (INTEL_INFO(dev)->gen > 3) + return -EINVAL; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: - /* RGB formats are common across chipsets */ + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + if (INTEL_INFO(dev)->gen < 4) + return -EINVAL; break; case DRM_FORMAT_YUYV: case DRM_FORMAT_UYVY: case DRM_FORMAT_YVYU: case DRM_FORMAT_VYUY: + if (INTEL_INFO(dev)->gen < 6) + return -EINVAL; break; default: - DRM_DEBUG_KMS("unsupported pixel format %u\n", - mode_cmd->pixel_format); + DRM_DEBUG_KMS("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format); return -EINVAL; } + /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ + if (mode_cmd->offsets[0] != 0) + return -EINVAL; + ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); if (ret) { DRM_ERROR("framebuffer init failed %d\n", ret); @@ -7765,7 +8686,13 @@ static void intel_init_display(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; /* We always want a DPMS function */ - if (HAS_PCH_SPLIT(dev)) { + if (IS_HASWELL(dev)) { + dev_priv->display.crtc_mode_set = haswell_crtc_mode_set; + dev_priv->display.crtc_enable = haswell_crtc_enable; + dev_priv->display.crtc_disable = haswell_crtc_disable; + dev_priv->display.off = haswell_crtc_off; + dev_priv->display.update_plane = ironlake_update_plane; + } else if (HAS_PCH_SPLIT(dev)) { dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; dev_priv->display.crtc_enable = ironlake_crtc_enable; dev_priv->display.crtc_disable = ironlake_crtc_disable; @@ -7816,6 +8743,8 @@ static void intel_init_display(struct drm_device *dev) /* FIXME: detect B0+ stepping and use auto training */ dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; dev_priv->display.write_eld = ironlake_write_eld; + dev_priv->display.modeset_global_resources = + ivb_modeset_global_resources; } else if (IS_HASWELL(dev)) { dev_priv->display.fdi_link_train = hsw_fdi_link_train; dev_priv->display.write_eld = haswell_write_eld; @@ -8047,6 +8976,7 @@ void intel_modeset_init(struct drm_device *dev) DRM_DEBUG_KMS("plane %d init failed: %d\n", i, ret); } + intel_cpu_pll_init(dev); intel_pch_pll_init(dev); /* Just disable it once at startup */ @@ -8116,7 +9046,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) u32 reg; /* Clear any frame start delays used for debugging left by the BIOS */ - reg = PIPECONF(crtc->pipe); + reg = PIPECONF(crtc->cpu_transcoder); I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); /* We need to sanitize the plane -> pipe mapping first because this will @@ -8233,9 +9163,27 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) * the crtc fixup. */ } +static void i915_redisable_vga(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 vga_reg; + + if (HAS_PCH_SPLIT(dev)) + vga_reg = CPU_VGACNTRL; + else + vga_reg = VGACNTRL; + + if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { + DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); + I915_WRITE(vga_reg, VGA_DISP_DISABLE); + POSTING_READ(vga_reg); + } +} + /* Scan out the current hw modeset state, sanitizes it and maps it into the drm * and i915 state tracking structures. */ -void intel_modeset_setup_hw_state(struct drm_device *dev) +void intel_modeset_setup_hw_state(struct drm_device *dev, + bool force_restore) { struct drm_i915_private *dev_priv = dev->dev_private; enum pipe pipe; @@ -8244,10 +9192,35 @@ void intel_modeset_setup_hw_state(struct drm_device *dev) struct intel_encoder *encoder; struct intel_connector *connector; + if (IS_HASWELL(dev)) { + tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); + + if (tmp & TRANS_DDI_FUNC_ENABLE) { + switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { + case TRANS_DDI_EDP_INPUT_A_ON: + case TRANS_DDI_EDP_INPUT_A_ONOFF: + pipe = PIPE_A; + break; + case TRANS_DDI_EDP_INPUT_B_ONOFF: + pipe = PIPE_B; + break; + case TRANS_DDI_EDP_INPUT_C_ONOFF: + pipe = PIPE_C; + break; + } + + crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); + crtc->cpu_transcoder = TRANSCODER_EDP; + + DRM_DEBUG_KMS("Pipe %c using transcoder EDP\n", + pipe_name(pipe)); + } + } + for_each_pipe(pipe) { crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); - tmp = I915_READ(PIPECONF(pipe)); + tmp = I915_READ(PIPECONF(crtc->cpu_transcoder)); if (tmp & PIPECONF_ENABLE) crtc->active = true; else @@ -8260,6 +9233,9 @@ void intel_modeset_setup_hw_state(struct drm_device *dev) crtc->active ? "enabled" : "disabled"); } + if (IS_HASWELL(dev)) + intel_ddi_setup_hw_pll_state(dev); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { pipe = 0; @@ -8306,9 +9282,21 @@ void intel_modeset_setup_hw_state(struct drm_device *dev) intel_sanitize_crtc(crtc); } - intel_modeset_update_staged_output_state(dev); + if (force_restore) { + for_each_pipe(pipe) { + crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); + intel_set_mode(&crtc->base, &crtc->base.mode, + crtc->base.x, crtc->base.y, crtc->base.fb); + } + + i915_redisable_vga(dev); + } else { + intel_modeset_update_staged_output_state(dev); + } intel_modeset_check_state(dev); + + drm_mode_config_reset(dev); } void intel_modeset_gem_init(struct drm_device *dev) @@ -8317,7 +9305,7 @@ void intel_modeset_gem_init(struct drm_device *dev) intel_setup_overlay(dev); - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, false); } void intel_modeset_cleanup(struct drm_device *dev) @@ -8436,6 +9424,7 @@ intel_display_capture_error_state(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; struct intel_display_error_state *error; + enum transcoder cpu_transcoder; int i; error = kmalloc(sizeof(*error), GFP_ATOMIC); @@ -8443,6 +9432,8 @@ intel_display_capture_error_state(struct drm_device *dev) return NULL; for_each_pipe(i) { + cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i); + error->cursor[i].control = I915_READ(CURCNTR(i)); error->cursor[i].position = I915_READ(CURPOS(i)); error->cursor[i].base = I915_READ(CURBASE(i)); @@ -8457,14 +9448,14 @@ intel_display_capture_error_state(struct drm_device *dev) error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); } - error->pipe[i].conf = I915_READ(PIPECONF(i)); + error->pipe[i].conf = I915_READ(PIPECONF(cpu_transcoder)); error->pipe[i].source = I915_READ(PIPESRC(i)); - error->pipe[i].htotal = I915_READ(HTOTAL(i)); - error->pipe[i].hblank = I915_READ(HBLANK(i)); - error->pipe[i].hsync = I915_READ(HSYNC(i)); - error->pipe[i].vtotal = I915_READ(VTOTAL(i)); - error->pipe[i].vblank = I915_READ(VBLANK(i)); - error->pipe[i].vsync = I915_READ(VSYNC(i)); + error->pipe[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); + error->pipe[i].hblank = I915_READ(HBLANK(cpu_transcoder)); + error->pipe[i].hsync = I915_READ(HSYNC(cpu_transcoder)); + error->pipe[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); + error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder)); + error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder)); } return error; |