drm/i915: Track when we dirty the scanout with render commands
This is required for tracking render damage for use with FBC and will be
used in subsequent patches.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index a8bb62c..c98333d 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -786,7 +786,7 @@
obj->dirty = 1;
obj->last_write_seqno = intel_ring_get_seqno(ring);
if (obj->pin_count) /* check for potential scanout */
- intel_mark_fb_busy(obj);
+ intel_mark_fb_busy(obj, ring);
}
trace_i915_gem_object_change_domain(obj, old_read, old_write);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3f025ee..7b9eb7c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7112,7 +7112,8 @@
}
}
-void intel_mark_fb_busy(struct drm_i915_gem_object *obj)
+void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
+ struct intel_ring_buffer *ring)
{
struct drm_device *dev = obj->base.dev;
struct drm_crtc *crtc;
@@ -7124,8 +7125,12 @@
if (!crtc->fb)
continue;
- if (to_intel_framebuffer(crtc->fb)->obj == obj)
- intel_increase_pllclock(crtc);
+ if (to_intel_framebuffer(crtc->fb)->obj != obj)
+ continue;
+
+ intel_increase_pllclock(crtc);
+ if (ring && intel_fbc_enabled(dev))
+ ring->fbc_dirty = true;
}
}
@@ -7575,7 +7580,7 @@
goto cleanup_pending;
intel_disable_fbc(dev);
- intel_mark_fb_busy(obj);
+ intel_mark_fb_busy(obj, NULL);
mutex_unlock(&dev->struct_mutex);
trace_i915_flip_request(intel_crtc->plane, obj);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index b76a956..bb4822a 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -574,7 +574,8 @@
extern void intel_dvo_init(struct drm_device *dev);
extern void intel_tv_init(struct drm_device *dev);
extern void intel_mark_busy(struct drm_device *dev);
-extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj);
+extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
+ struct intel_ring_buffer *ring);
extern void intel_mark_idle(struct drm_device *dev);
extern bool intel_lvds_init(struct drm_device *dev);
extern bool intel_is_dual_link_lvds(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 4c7e103..efc403d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -140,6 +140,7 @@
*/
u32 outstanding_lazy_request;
bool gpu_caches_dirty;
+ bool fbc_dirty;
wait_queue_head_t irq_queue;