drm/i915: DRRS calls based on frontbuffer
Calls have been added to invalidate/flush DRRS whenever invalidate/flush is
called as part of frontbuffer tracking.
Apart from calls as a result of GEM tracking to fb invalidate/flush, a
call has been added to invalidate fb obj from crtc_page_flip as well. This
is to track busyness through flip calls.
The call to fb_obj_invalidate (in flip) is placed before queuing flip for this
obj.
drrs_invalidate() and drrs_flush() check for drrs.dp which would be NULL if
it was setup in drrs_enable(). This covers for the condition when DRRS is
not supported.
v2: Removing the call to invalidate_drrs from page_flip.
This has not been tested on Android yet, but, in case DRRS transtions do not
work as expected, check by adding back this call in page_flip.
Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c
index 79f6d72..73cb6e0 100644
--- a/drivers/gpu/drm/i915/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/intel_frontbuffer.c
@@ -157,6 +157,7 @@
intel_mark_fb_busy(dev, obj->frontbuffer_bits, ring);
intel_psr_invalidate(dev, obj->frontbuffer_bits);
+ intel_edp_drrs_invalidate(dev, obj->frontbuffer_bits);
}
/**
@@ -182,6 +183,7 @@
intel_mark_fb_busy(dev, frontbuffer_bits, NULL);
+ intel_edp_drrs_flush(dev, frontbuffer_bits);
intel_psr_flush(dev, frontbuffer_bits);
/*