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drm/i915: Use ring->flush() instead of MI_FLUSH

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Use the ring abstraction to hide the details of having choose the
appropriate flushing method.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-19 15:05:13 +01:00
parent e070868ef2
commit c7f9f9a8b8
3 changed files with 21 additions and 18 deletions
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4
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1001,6 +1001,10 @@ void i915_gem_retire_requests(struct drm_device *dev);
void i915_gem_reset_flushing_list(struct drm_device *dev);
void i915_gem_reset_inactive_gpu_domains(struct drm_device *dev);
void i915_gem_clflush_object(struct drm_gem_object *obj);
void i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,
uint32_t flush_domains);
int i915_gem_object_set_domain(struct drm_gem_object *obj,
uint32_t read_domains,
uint32_t write_domain);

2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -1908,7 +1908,7 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno,
return i915_do_wait_request(dev, seqno, 1, ring);
}
static void
void
i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,

33
drivers/gpu/drm/i915/intel_display.c
View File

@ -5056,24 +5056,23 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
atomic_inc(&obj_priv->pending_flip);
work->pending_flip_obj = obj;
if (was_dirty || IS_GEN3(dev) || IS_GEN2(dev)) {
/* Schedule the pipelined flush */
if (was_dirty)
i915_gem_flush_ring(dev, obj_priv->ring, 0, was_dirty);
if (IS_GEN3(dev) || IS_GEN2(dev)) {
u32 flip_mask;
/* Can't queue multiple flips, so wait for the previous
* one to finish before executing the next.
*/
BEGIN_LP_RING(2);
if (IS_GEN3(dev) || IS_GEN2(dev)) {
u32 flip_mask;
/* Can't queue multiple flips, so wait for the previous
* one to finish before executing the next.
*/
if (intel_crtc->plane)
flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
else
flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
} else
OUT_RING(MI_NOOP);
OUT_RING(MI_FLUSH);
if (intel_crtc->plane)
flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
else
flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
}