diff options
| 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 | |
| parent | dcf9864d2d31fb27c320b38a40a1596b7c91d935 (diff) | |
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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 8366c506a8b5..b8b4cff20013 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7481,12 +7481,12 @@ static void gfx_v10_0_get_clockgating_state(void *handle, u32 *flags) int data; /* AMD_CG_SUPPORT_GFX_MGCG */ - data = RREG32_SOC15(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE); + data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE)); if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK)) *flags |= AMD_CG_SUPPORT_GFX_MGCG; /* AMD_CG_SUPPORT_GFX_CGCG */ - data = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL); + data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL)); if (data & RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK) *flags |= AMD_CG_SUPPORT_GFX_CGCG; @@ -7495,17 +7495,17 @@ static void gfx_v10_0_get_clockgating_state(void *handle, u32 *flags) *flags |= AMD_CG_SUPPORT_GFX_CGLS; /* AMD_CG_SUPPORT_GFX_RLC_LS */ - data = RREG32_SOC15(GC, 0, mmRLC_MEM_SLP_CNTL); + data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL)); if (data & RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK) *flags |= AMD_CG_SUPPORT_GFX_RLC_LS | AMD_CG_SUPPORT_GFX_MGLS; /* AMD_CG_SUPPORT_GFX_CP_LS */ - data = RREG32_SOC15(GC, 0, mmCP_MEM_SLP_CNTL); + data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL)); if (data & CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK) *flags |= AMD_CG_SUPPORT_GFX_CP_LS | AMD_CG_SUPPORT_GFX_MGLS; /* AMD_CG_SUPPORT_GFX_3D_CGCG */ - data = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D); + data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D)); if (data & RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK) *flags |= AMD_CG_SUPPORT_GFX_3D_CGCG; 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; } |