[PATCH 38/53] drm/i915: Update some flush helpers to take request structures

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From: John Harrison <John.C.Harrison@xxxxxxxxx>

Updated intel_emit_post_sync_nonzero_flush(), gen7_render_ring_cs_stall_wa(),
gen7_ring_fbc_flush() and gen8_emit_pipe_control() to take requests instead of
rings.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c |   29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ca8f039..470fa93 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -214,8 +214,9 @@ gen4_render_ring_flush(struct drm_i915_gem_request *req,
  * really our business.  That leaves only stall at scoreboard.
  */
 static int
-intel_emit_post_sync_nonzero_flush(struct intel_engine_cs *ring)
+intel_emit_post_sync_nonzero_flush(struct drm_i915_gem_request *req)
 {
+	struct intel_engine_cs *ring = req->ring;
 	u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
 	int ret;
 
@@ -258,7 +259,7 @@ gen6_render_ring_flush(struct drm_i915_gem_request *req,
 	int ret;
 
 	/* Force SNB workarounds for PIPE_CONTROL flushes */
-	ret = intel_emit_post_sync_nonzero_flush(ring);
+	ret = intel_emit_post_sync_nonzero_flush(req);
 	if (ret)
 		return ret;
 
@@ -302,8 +303,9 @@ gen6_render_ring_flush(struct drm_i915_gem_request *req,
 }
 
 static int
-gen7_render_ring_cs_stall_wa(struct intel_engine_cs *ring)
+gen7_render_ring_cs_stall_wa(struct drm_i915_gem_request *req)
 {
+	struct intel_engine_cs *ring = req->ring;
 	int ret;
 
 	ret = intel_ring_begin(ring, 4);
@@ -320,8 +322,9 @@ gen7_render_ring_cs_stall_wa(struct intel_engine_cs *ring)
 	return 0;
 }
 
-static int gen7_ring_fbc_flush(struct intel_engine_cs *ring, u32 value)
+static int gen7_ring_fbc_flush(struct drm_i915_gem_request *req, u32 value)
 {
+	struct intel_engine_cs *ring = req->ring;
 	int ret;
 
 	if (!ring->fbc_dirty)
@@ -389,7 +392,7 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req,
 		/* Workaround: we must issue a pipe_control with CS-stall bit
 		 * set before a pipe_control command that has the state cache
 		 * invalidate bit set. */
-		gen7_render_ring_cs_stall_wa(ring);
+		gen7_render_ring_cs_stall_wa(req);
 	}
 
 	ret = intel_ring_begin(ring, 4);
@@ -403,15 +406,16 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req,
 	intel_ring_advance(ring);
 
 	if (!invalidate_domains && flush_domains)
-		return gen7_ring_fbc_flush(ring, FBC_REND_NUKE);
+		return gen7_ring_fbc_flush(req, FBC_REND_NUKE);
 
 	return 0;
 }
 
 static int
-gen8_emit_pipe_control(struct intel_engine_cs *ring,
+gen8_emit_pipe_control(struct drm_i915_gem_request *req,
 		       u32 flags, u32 scratch_addr)
 {
+	struct intel_engine_cs *ring = req->ring;
 	int ret;
 
 	ret = intel_ring_begin(ring, 6);
@@ -433,9 +437,8 @@ static int
 gen8_render_ring_flush(struct drm_i915_gem_request *req,
 		       u32 invalidate_domains, u32 flush_domains)
 {
-	struct intel_engine_cs *ring = req->ring;
 	u32 flags = 0;
-	u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+	u32 scratch_addr = req->ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
 	int ret;
 
 	flags |= PIPE_CONTROL_CS_STALL;
@@ -455,7 +458,7 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req,
 		flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
 
 		/* WaCsStallBeforeStateCacheInvalidate:bdw,chv */
-		ret = gen8_emit_pipe_control(ring,
+		ret = gen8_emit_pipe_control(req,
 					     PIPE_CONTROL_CS_STALL |
 					     PIPE_CONTROL_STALL_AT_SCOREBOARD,
 					     0);
@@ -463,12 +466,12 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req,
 			return ret;
 	}
 
-	ret = gen8_emit_pipe_control(ring, flags, scratch_addr);
+	ret = gen8_emit_pipe_control(req, flags, scratch_addr);
 	if (ret)
 		return ret;
 
 	if (!invalidate_domains && flush_domains)
-		return gen7_ring_fbc_flush(ring, FBC_REND_NUKE);
+		return gen7_ring_fbc_flush(req, FBC_REND_NUKE);
 
 	return 0;
 }
@@ -2482,7 +2485,7 @@ static int gen6_ring_flush(struct drm_i915_gem_request *req,
 
 	if (!invalidate && flush) {
 		if (IS_GEN7(dev))
-			return gen7_ring_fbc_flush(ring, FBC_REND_CACHE_CLEAN);
+			return gen7_ring_fbc_flush(req, FBC_REND_CACHE_CLEAN);
 		else if (IS_BROADWELL(dev))
 			dev_priv->fbc.need_sw_cache_clean = true;
 	}
-- 
1.7.9.5

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