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authorJack Xiao <Jack.Xiao@amd.com>2020-06-04 18:27:28 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-05-04 10:43:51 -0400
commit7149599be4085117ff21b2988890491fff25fecf (patch)
treec17f923cc6224e9f25567fcab54b684687299048 /drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
parent4df80927377b82e139a5d79151a824a3fb6ce787 (diff)
drm/amdgpu/mes10.1: add delay after mes engine enable
Add delay after mes engine enable, for it needs more time to complete engine initialising. Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mes_v10_1.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mes_v10_1.c1
1 files changed, 1 insertions, 0 deletions
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);