diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-07-13 16:03:40 +0100 |
---|---|---|
committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-07-14 11:17:20 +0100 |
commit | 88d2ba2e95c85554e12b5a342bd93dbc2adf7546 (patch) | |
tree | fe3423d0361e0eaea97796f716aaeb6b14846237 /drivers/gpu/drm/i915/intel_lrc.c | |
parent | acd2784562ae506137575c31136bef34dc642a2e (diff) |
drm/i915: Move common engine setup into intel_engine_cs.c
Common code deserves to be put in a separate file from legacy and
execlists implementation for clarity and ease of maintenance.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 138 |
1 files changed, 2 insertions, 136 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 2e13a3a26245..6e88d9af9328 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2083,7 +2083,7 @@ error: return ret; } -static int logical_render_ring_init(struct intel_engine_cs *engine) +int logical_render_ring_init(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; int ret; @@ -2126,147 +2126,13 @@ static int logical_render_ring_init(struct intel_engine_cs *engine) return ret; } -static int logical_xcs_ring_init(struct intel_engine_cs *engine) +int logical_xcs_ring_init(struct intel_engine_cs *engine) { logical_ring_setup(engine); return logical_ring_init(engine); } -static const struct engine_info { - const char *name; - unsigned exec_id; - unsigned guc_id; - u32 mmio_base; - unsigned irq_shift; - int (*init_legacy)(struct intel_engine_cs *engine); - int (*init_execlists)(struct intel_engine_cs *engine); -} intel_engines[] = { - [RCS] = { - .name = "render ring", - .exec_id = I915_EXEC_RENDER, - .guc_id = GUC_RENDER_ENGINE, - .mmio_base = RENDER_RING_BASE, - .irq_shift = GEN8_RCS_IRQ_SHIFT, - .init_execlists = logical_render_ring_init, - .init_legacy = intel_init_render_ring_buffer, - }, - [BCS] = { - .name = "blitter ring", - .exec_id = I915_EXEC_BLT, - .guc_id = GUC_BLITTER_ENGINE, - .mmio_base = BLT_RING_BASE, - .irq_shift = GEN8_BCS_IRQ_SHIFT, - .init_execlists = logical_xcs_ring_init, - .init_legacy = intel_init_blt_ring_buffer, - }, - [VCS] = { - .name = "bsd ring", - .exec_id = I915_EXEC_BSD, - .guc_id = GUC_VIDEO_ENGINE, - .mmio_base = GEN6_BSD_RING_BASE, - .irq_shift = GEN8_VCS1_IRQ_SHIFT, - .init_execlists = logical_xcs_ring_init, - .init_legacy = intel_init_bsd_ring_buffer, - }, - [VCS2] = { - .name = "bsd2 ring", - .exec_id = I915_EXEC_BSD, - .guc_id = GUC_VIDEO_ENGINE2, - .mmio_base = GEN8_BSD2_RING_BASE, - .irq_shift = GEN8_VCS2_IRQ_SHIFT, - .init_execlists = logical_xcs_ring_init, - .init_legacy = intel_init_bsd2_ring_buffer, - }, - [VECS] = { - .name = "video enhancement ring", - .exec_id = I915_EXEC_VEBOX, - .guc_id = GUC_VIDEOENHANCE_ENGINE, - .mmio_base = VEBOX_RING_BASE, - .irq_shift = GEN8_VECS_IRQ_SHIFT, - .init_execlists = logical_xcs_ring_init, - .init_legacy = intel_init_vebox_ring_buffer, - }, -}; - -struct intel_engine_cs * -intel_engine_setup(struct drm_i915_private *dev_priv, - enum intel_engine_id id) -{ - const struct engine_info *info = &intel_engines[id]; - struct intel_engine_cs *engine = &dev_priv->engine[id]; - - engine->id = id; - engine->i915 = dev_priv; - engine->name = info->name; - engine->exec_id = info->exec_id; - engine->hw_id = engine->guc_id = info->guc_id; - engine->mmio_base = info->mmio_base; - engine->irq_shift = info->irq_shift; - - return engine; -} - -/** - * intel_engines_init() - allocate, populate and init the Engine Command Streamers - * @dev: DRM device. - * - * Return: non-zero if the initialization failed. - */ -int intel_engines_init(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = to_i915(dev); - unsigned int mask = 0; - int (*init)(struct intel_engine_cs *engine); - unsigned int i; - int ret; - - WARN_ON(INTEL_INFO(dev_priv)->ring_mask & - GENMASK(sizeof(mask) * BITS_PER_BYTE - 1, I915_NUM_ENGINES)); - - for (i = 0; i < ARRAY_SIZE(intel_engines); i++) { - if (!HAS_ENGINE(dev_priv, i)) - continue; - - if (i915.enable_execlists) - init = intel_engines[i].init_execlists; - else - init = intel_engines[i].init_legacy; - - if (!init) - continue; - - ret = init(intel_engine_setup(dev_priv, i)); - if (ret) - goto cleanup; - - mask |= ENGINE_MASK(i); - } - - /* - * Catch failures to update intel_engines table when the new engines - * are added to the driver by a warning and disabling the forgotten - * engines. - */ - if (WARN_ON(mask != INTEL_INFO(dev_priv)->ring_mask)) { - struct intel_device_info *info = - (struct intel_device_info *)&dev_priv->info; - info->ring_mask = mask; - } - - return 0; - -cleanup: - for (i = 0; i < I915_NUM_ENGINES; i++) { - if (i915.enable_execlists) - intel_logical_ring_cleanup(&dev_priv->engine[i]); - else - intel_cleanup_engine(&dev_priv->engine[i]); - } - - return ret; -} - static u32 make_rpcs(struct drm_i915_private *dev_priv) { |