Commit d6463fd4 authored by Akhil P Oommen's avatar Akhil P Oommen Committed by Rob Clark
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drm/msm/a6xx: Handle GMU prepare-slumber hfi failure 



When prepare-slumber hfi fails, we should follow a6xx_gmu_force_off()
sequence.

Signed-off-by: default avatarAkhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/498401/
Link: https://lore.kernel.org/r/20220819015030.v5.7.I54815c7c36b80d4725cd054e536365250454452f@changeid


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 3a9dd708

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

+5 −1
Original line number Diff line number Diff line
@@ -1086,7 +1086,11 @@ static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu) 
		a6xx_bus_clear_pending_transactions(adreno_gpu);



		/* tell the GMU we want to slumber */

		a6xx_gmu_notify_slumber(gmu);

		ret = a6xx_gmu_notify_slumber(gmu);

		if (ret) {

			a6xx_gmu_force_off(gmu);

			return;

		}



		ret = gmu_poll_timeout(gmu,

			REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_STATUS, val,