lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

drm/i915: Only emit a flush request on the active ring.

Browse Source 
When flushing the GPU domains,we emit a flush on *both* rings, even
though they share a unified cache. Only emit the flush on the currently
active ring.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2010-09-18 11:02:01 +01:00
parent b84d5f0c22
commit 9220434a87
4 changed files with 51 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@@ -116,8 +116,6 @@ render_ring_flush(struct drm_device *dev,
intel_ring_emit(dev, ring, MI_NOOP);
intel_ring_advance(dev, ring);
}
i915_gem_process_flushing_list(dev, flush_domains, ring);
}
static unsigned int render_ring_get_head(struct drm_device *dev,
@@ -386,8 +384,6 @@ bsd_ring_flush(struct drm_device *dev,
intel_ring_emit(dev, ring, MI_FLUSH);
intel_ring_emit(dev, ring, MI_NOOP);
intel_ring_advance(dev, ring);
i915_gem_process_flushing_list(dev, flush_domains, ring);
}
static inline unsigned int bsd_ring_get_head(struct drm_device *dev,
@@ -799,6 +795,7 @@ void intel_fill_struct(struct drm_device *dev,
struct intel_ring_buffer render_ring = {
.name = "render ring",
.id = RING_RENDER,
.regs = {
.ctl = PRB0_CTL,
.head = PRB0_HEAD,
@@ -836,6 +833,7 @@ struct intel_ring_buffer render_ring = {
struct intel_ring_buffer bsd_ring = {
.name = "bsd ring",
.id = RING_BSD,
.regs = {
.ctl = BSD_RING_CTL,
.head = BSD_RING_HEAD,