From: Jack Xiao <Jack.Xiao@xxxxxxx>
Add delay after mes engine enable, for it needs more time
to complete engine initialising.
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 94812164998a..d4e64c5a3215 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -473,6 +473,7 @@ static void mes_v10_1_enable(struct amdgpu_device *adev, bool enable)
data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE1_ACTIVE,
adev->enable_mes_kiq ? 1 : 0);
WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
+ udelay(50);
} else {
data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
--
2.35.1
