Commit d735fdc3 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm: workaround for missing irq on a306/8x16 



Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent de558cd2

drivers/gpu/drm/msm/adreno/adreno_gpu.c

+11 −0
Original line number Original line Diff line number Diff line
@@ -176,6 +176,17 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, 
	OUT_PKT3(ring, CP_INTERRUPT, 1);

	OUT_PKT3(ring, CP_INTERRUPT, 1);

	OUT_RING(ring, 0x80000000);

	OUT_RING(ring, 0x80000000);





	/* Workaround for missing irq issue on 8x16/a306.  Unsure if the

	 * root cause is a platform issue or some a306 quirk, but this

	 * keeps things humming along:

	 */

	if (adreno_is_a306(adreno_gpu)) {

		OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);

		OUT_RING(ring, 0x00000000);

		OUT_PKT3(ring, CP_INTERRUPT, 1);

		OUT_RING(ring, 0x80000000);

	}



#if 0

#if 0

	if (adreno_is_a3xx(adreno_gpu)) {

	if (adreno_is_a3xx(adreno_gpu)) {

		/* Dummy set-constant to trigger context rollover */

		/* Dummy set-constant to trigger context rollover */