diff mbox series

[v3,8/8] drm/msm/a6xx: Handle GMU prepare-slumber hfi failure

Message ID 20220730150952.v3.8.I54815c7c36b80d4725cd054e536365250454452f@changeid (mailing list archive)
State New, archived
Headers show
Series Improve GPU Recovery | expand

Commit Message

Akhil P Oommen July 30, 2022, 9:40 a.m. UTC
When prepare-slumber hfi fails, we should follow a6xx_gmu_force_off()
sequence.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
---

(no changes since v1)

 drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index db05942..3d00ef9 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -1082,7 +1082,11 @@  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,