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| author |   Likun Gao <Likun.Gao@amd.com> | 2020-07-06 16:18:28 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-07-08 09:01:18 -0400 |
| commit | 2373dd48fc85c710e49ebc9833e0ef97cc103213 (patch) | |
| tree | 5a87e92ab7dd9d7a470834a57102b4964d63e910 /drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | |
| parent | drm/amdgpu: updated ta ucode loading (diff) | |
| download | linux-dev-2373dd48fc85c710e49ebc9833e0ef97cc103213.tar.xz linux-dev-2373dd48fc85c710e49ebc9833e0ef97cc103213.zip | |
drm/amdgpu: use RREG32_KIQ to read register when get cg state
Use RREG32_KIQ to read gfx register when try to get gfx/sdma
clockgating state instead of RREG32, as it will result
to system hard hang when GPU is enter into GFXOFF state.
Signed-off-by: Likun Gao <Likun.Gao@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/sdma_v5_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 318d32e2bbf6..4dbc11907bc6 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -1572,7 +1572,7 @@ static void sdma_v5_2_get_clockgating_state(void *handle, u32 *flags) *flags = 0; /* AMD_CG_SUPPORT_SDMA_LS */ - data = RREG32(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); + data = RREG32_KIQ(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) *flags |= AMD_CG_SUPPORT_SDMA_LS; } |