[Intel-gfx] [PATCH v5 04/35] drm/i915: Cache request pointer in *_submission_final()
John.C.Harrison at Intel.com
John.C.Harrison at Intel.com
Thu Feb 18 14:26:52 UTC 2016
From: Dave Gordon <david.s.gordon at intel.com>
Keep a local copy of the request pointer in the _final() functions
rather than dereferencing the params block repeatedly.
v3: New patch in series.
For: VIZ-1587
Signed-off-by: Dave Gordon <david.s.gordon at intel.com>
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 13 +++++++------
drivers/gpu/drm/i915/intel_lrc.c | 11 ++++++-----
2 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3071a2b..7978dae 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1291,6 +1291,7 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
int i915_gem_ringbuffer_submission_final(struct i915_execbuffer_params *params)
{
struct drm_i915_private *dev_priv = params->dev->dev_private;
+ struct drm_i915_gem_request *req = params->request;
struct intel_engine_cs *ring = params->ring;
u64 exec_start, exec_len;
int ret;
@@ -1302,12 +1303,12 @@ int i915_gem_ringbuffer_submission_final(struct i915_execbuffer_params *params)
* Unconditionally invalidate gpu caches and ensure that we do flush
* any residual writes from the previous batch.
*/
- ret = intel_ring_invalidate_all_caches(params->request);
+ ret = intel_ring_invalidate_all_caches(req);
if (ret)
return ret;
/* Switch to the correct context for the batch */
- ret = i915_switch_context(params->request);
+ ret = i915_switch_context(req);
if (ret)
return ret;
@@ -1316,7 +1317,7 @@ int i915_gem_ringbuffer_submission_final(struct i915_execbuffer_params *params)
if (ring == &dev_priv->ring[RCS] &&
params->instp_mode != dev_priv->relative_constants_mode) {
- ret = intel_ring_begin(params->request, 4);
+ ret = intel_ring_begin(req, 4);
if (ret)
return ret;
@@ -1330,7 +1331,7 @@ int i915_gem_ringbuffer_submission_final(struct i915_execbuffer_params *params)
}
if (params->args_flags & I915_EXEC_GEN7_SOL_RESET) {
- ret = i915_reset_gen7_sol_offsets(params->dev, params->request);
+ ret = i915_reset_gen7_sol_offsets(params->dev, req);
if (ret)
return ret;
}
@@ -1342,13 +1343,13 @@ int i915_gem_ringbuffer_submission_final(struct i915_execbuffer_params *params)
if (exec_len == 0)
exec_len = params->batch_obj->base.size;
- ret = ring->dispatch_execbuffer(params->request,
+ ret = ring->dispatch_execbuffer(req,
exec_start, exec_len,
params->dispatch_flags);
if (ret)
return ret;
- trace_i915_gem_ring_dispatch(params->request, params->dispatch_flags);
+ trace_i915_gem_ring_dispatch(req, params->dispatch_flags);
i915_gem_execbuffer_retire_commands(params);
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 2246a16..12e8949 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -973,7 +973,8 @@ int intel_execlists_submission(struct i915_execbuffer_params *params,
int intel_execlists_submission_final(struct i915_execbuffer_params *params)
{
struct drm_i915_private *dev_priv = params->dev->dev_private;
- struct intel_ringbuffer *ringbuf = params->request->ringbuf;
+ struct drm_i915_gem_request *req = params->request;
+ struct intel_ringbuffer *ringbuf = req->ringbuf;
struct intel_engine_cs *ring = params->ring;
u64 exec_start;
int ret;
@@ -985,13 +986,13 @@ int intel_execlists_submission_final(struct i915_execbuffer_params *params)
* Unconditionally invalidate gpu caches and ensure that we do flush
* any residual writes from the previous batch.
*/
- ret = logical_ring_invalidate_all_caches(params->request);
+ ret = logical_ring_invalidate_all_caches(req);
if (ret)
return ret;
if (ring == &dev_priv->ring[RCS] &&
params->instp_mode != dev_priv->relative_constants_mode) {
- ret = intel_logical_ring_begin(params->request, 4);
+ ret = intel_logical_ring_begin(req, 4);
if (ret)
return ret;
@@ -1007,11 +1008,11 @@ int intel_execlists_submission_final(struct i915_execbuffer_params *params)
exec_start = params->batch_obj_vm_offset +
params->args_batch_start_offset;
- ret = ring->emit_bb_start(params->request, exec_start, params->dispatch_flags);
+ ret = ring->emit_bb_start(req, exec_start, params->dispatch_flags);
if (ret)
return ret;
- trace_i915_gem_ring_dispatch(params->request, params->dispatch_flags);
+ trace_i915_gem_ring_dispatch(req, params->dispatch_flags);
i915_gem_execbuffer_retire_commands(params);
--
1.9.1
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