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drm/amdgpu/mes10.1: add delay after mes engine enable

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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>
This commit is contained in:
Jack Xiao 2020-06-04 18:27:28 +08:00 committed by Alex Deucher
parent 4df8092737
commit 7149599be4
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
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@ -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);