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author | John Harrison <John.C.Harrison@Intel.com> | 2015-05-29 17:43:39 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-06-23 14:02:08 +0200 |
commit | dc4be6071a24f0d2da6af8ce16c19f276ac4d7a2 (patch) | |
tree | a3a4dfe745eb7e9c7b881292d74a9d4d8c50d757 /drivers/gpu/drm | |
parent | a3fbe05a611811ad8413130f63aaa79428b00377 (diff) | |
download | op-kernel-dev-dc4be6071a24f0d2da6af8ce16c19f276ac4d7a2.zip op-kernel-dev-dc4be6071a24f0d2da6af8ce16c19f276ac4d7a2.tar.gz |
drm/i915: Add explicit request management to i915_gem_init_hw()
Now that a single per ring loop is being done for all the different
intialisation steps in i915_gem_init_hw(), it is possible to add proper request
management as well. The last remaining issue is that the context enable call
eventually ends up within *_render_state_init() and this does its own private
_i915_add_request() call.
This patch adds explicit request creation and submission to the top level loop
and removes the add_request() from deep within the sub-functions.
v2: Updated for removal of batch_obj from add_request call in previous patch.
For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Tomas Elf <tomas.elf@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_render_state.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 5 |
4 files changed, 14 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 198e681..7525539 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2169,7 +2169,8 @@ struct drm_i915_gem_request { struct intel_context *ctx; struct intel_ringbuffer *ringbuf; - /** Batch buffer related to this request if any */ + /** Batch buffer related to this request if any (used for + error state dump only) */ struct drm_i915_gem_object *batch_obj; /** Time at which this request was emitted, in jiffies. */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index a580593..1872c98 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5069,8 +5069,16 @@ i915_gem_init_hw(struct drm_device *dev) /* Now it is safe to go back round and do everything else: */ for_each_ring(ring, dev_priv, i) { + struct drm_i915_gem_request *req; + WARN_ON(!ring->default_context); + ret = i915_gem_request_alloc(ring, ring->default_context, &req); + if (ret) { + i915_gem_cleanup_ringbuffer(dev); + goto out; + } + if (ring->id == RCS) { for (j = 0; j < NUM_L3_SLICES(dev); j++) i915_gem_l3_remap(ring, j); @@ -5079,6 +5087,7 @@ i915_gem_init_hw(struct drm_device *dev) ret = i915_ppgtt_init_ring(ring); if (ret && ret != -EIO) { DRM_ERROR("PPGTT enable ring #%d failed %d\n", i, ret); + i915_gem_request_cancel(req); i915_gem_cleanup_ringbuffer(dev); goto out; } @@ -5086,9 +5095,12 @@ i915_gem_init_hw(struct drm_device *dev) ret = i915_gem_context_enable(ring); if (ret && ret != -EIO) { DRM_ERROR("Context enable ring #%d failed %d\n", i, ret); + i915_gem_request_cancel(req); i915_gem_cleanup_ringbuffer(dev); goto out; } + + i915_add_request_no_flush(ring); } out: diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index a32a4b9..a07b4ee 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -173,8 +173,6 @@ int i915_gem_render_state_init(struct intel_engine_cs *ring) i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - __i915_add_request(ring, NULL, NULL, true); - /* __i915_add_request moves object to inactive if it fails */ out: i915_gem_render_state_fini(&so); return ret; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 550e854..3549ba6 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1579,8 +1579,6 @@ static int intel_lr_context_render_state_init(struct intel_engine_cs *ring, { struct intel_ringbuffer *ringbuf = ctx->engine[ring->id].ringbuf; struct render_state so; - struct drm_i915_file_private *file_priv = ctx->file_priv; - struct drm_file *file = file_priv ? file_priv->file : NULL; int ret; ret = i915_gem_render_state_prepare(ring, &so); @@ -1599,9 +1597,6 @@ static int intel_lr_context_render_state_init(struct intel_engine_cs *ring, i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - __i915_add_request(ring, file, NULL, true); - /* intel_logical_ring_add_request moves object to inactive if it - * fails */ out: i915_gem_render_state_fini(&so); return ret; |