diff options
| author | ZhenGuo Yin <zhenguo.yin@amd.com> | 2023-08-28 09:18:52 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-30 22:51:16 +0300 |
| commit | 9f05cfc78c6880e06940ea78fbc43f6392710f17 (patch) | |
| tree | 487f3f0fb763ba038e4f78212142aba7801f5370 /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | |
| parent | 668dfc4533262b169554f0b8dedb5ce3545d5d06 (diff) | |
| download | linux-9f05cfc78c6880e06940ea78fbc43f6392710f17.tar.xz | |
drm/amdgpu: access RLC_SPM_MC_CNTL through MMIO in SRIOV runtime
Register RLC_SPM_MC_CNTL is not blocked by L1 policy, VF can
directly access it through MMIO during SRIOV runtime.
v2: use SOC15 interface to access registers
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 0aee9c8288a2..6ccde07ed63e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7897,22 +7897,15 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev, static void gfx_v10_0_update_spm_vmid_internal(struct amdgpu_device *adev, unsigned int vmid) { - u32 reg, data; + u32 data; /* not for *_SOC15 */ - reg = SOC15_REG_OFFSET(GC, 0, mmRLC_SPM_MC_CNTL); - if (amdgpu_sriov_is_pp_one_vf(adev)) - data = RREG32_NO_KIQ(reg); - else - data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL); + data = RREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL); data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK; data |= (vmid & RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK) << RLC_SPM_MC_CNTL__RLC_SPM_VMID__SHIFT; - if (amdgpu_sriov_is_pp_one_vf(adev)) - WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data); - else - WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data); + WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data); } static void gfx_v10_0_update_spm_vmid(struct amdgpu_device *adev, unsigned int vmid) |