diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-07-08 11:31:57 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-07-29 10:08:47 -0700 |
| commit | b055c8f3ef9f7bc6ba415d900f298d7801a9d1d4 (patch) | |
| tree | f9ac04a295263ca94a729ca1e923136c6e2538ec /drivers/gpu/drm/i915/intel_hdmi.c | |
| parent | cb0e093162d7b6589c2217a00e2abfef686b32d6 (diff) | |
drm/i915/hdmi: send AVI info frames on ILK+ as well
On Ironlake and above, we have per-transcoder DIP registers, so use them
for sending DIPs like AVI infoframes on ILK and above.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index aa0a8e83142e..c220255ef1d9 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -112,6 +112,40 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder) VIDEO_DIP_ENABLE_AVI); } +static void intel_ironlake_hdmi_set_avi_infoframe(struct drm_encoder *encoder) +{ + struct dip_infoframe avi_if = { + .type = DIP_TYPE_AVI, + .ver = DIP_VERSION_AVI, + .len = DIP_LEN_AVI, + }; + uint32_t *data = (uint32_t *)&avi_if; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + struct drm_crtc *crtc = encoder->crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + unsigned i; + + if (!intel_hdmi->has_hdmi_sink) + return; + + intel_wait_for_vblank(dev, intel_crtc->pipe); + + I915_WRITE(reg, VIDEO_DIP_SELECT_AVI); + + intel_dip_infoframe_csum(&avi_if); + for (i = 0; i < sizeof(avi_if); i += 4) { + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; + } + + I915_WRITE(reg, VIDEO_DIP_ENABLE | VIDEO_DIP_SELECT_AVI | + VIDEO_DIP_FREQ_VSYNC | (DIP_LEN_AVI << 8) | + VIDEO_DIP_ENABLE_AVI); +} + static void intel_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -149,7 +183,10 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder, I915_WRITE(intel_hdmi->sdvox_reg, sdvox); POSTING_READ(intel_hdmi->sdvox_reg); - intel_hdmi_set_avi_infoframe(encoder); + if (HAS_PCH_SPLIT(dev)) + intel_ironlake_hdmi_set_avi_infoframe(encoder); + else + intel_hdmi_set_avi_infoframe(encoder); } static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode) |