Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4667a4a5 authored by Daniel Vetter's avatar Daniel Vetter Committed by Eric Anholt
Browse files

drm/i915: overlay: nuke readback to flush wc caches 



I retested this and whatever this papered over, the problem doesn't seem
to exist anymore.

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: default avatarEric Anholt <eric@anholt.net>
[anholt: fixed up compile warning]
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 4a9bef37

drivers/gpu/drm/i915/intel_overlay.c

+0 −5
Original line number Diff line number Diff line
@@ -199,16 +199,11 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over 


static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)

{

	struct drm_device *dev = overlay->dev;

        drm_i915_private_t *dev_priv = dev->dev_private;



	if (OVERLAY_NONPHYSICAL(overlay->dev))

		io_mapping_unmap_atomic(overlay->virt_addr);



	overlay->virt_addr = NULL;



	I915_READ(OVADD); /* flush wc cashes */



	return;

}