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

John.C.Harrison
2015-02-19T17:18:45Z

From: John Harrison <John.C.Harrison@Intel.com>

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@Intel.com>
---
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