6.6-stable review patch. If anyone has any objections, please let me know.
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From: ZhenGuo Yin zhenguo.yin@amd.com
[ Upstream commit 9f05cfc78c6880e06940ea78fbc43f6392710f17 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 13 +++---------- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 13 +++---------- 2 files changed, 6 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 3560a3f2c848e..cd594b92c6129 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7892,22 +7892,15 @@ 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) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index daab4c7a073ac..c81e98f0d17ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -4961,23 +4961,16 @@ static int gfx_v11_0_update_gfx_clock_gating(struct amdgpu_device *adev,
static void gfx_v11_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid) { - u32 reg, data; + u32 data;
amdgpu_gfx_off_ctrl(adev, false);
- reg = SOC15_REG_OFFSET(GC, 0, regRLC_SPM_MC_CNTL); - if (amdgpu_sriov_is_pp_one_vf(adev)) - data = RREG32_NO_KIQ(reg); - else - data = RREG32(reg); + data = RREG32_SOC15_NO_KIQ(GC, 0, regRLC_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, regRLC_SPM_MC_CNTL, data); - else - WREG32_SOC15(GC, 0, regRLC_SPM_MC_CNTL, data); + WREG32_SOC15_NO_KIQ(GC, 0, regRLC_SPM_MC_CNTL, data);
amdgpu_gfx_off_ctrl(adev, true); }