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path: root/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index ad6431013c73..e5882da8332a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5030,24 +5030,31 @@ 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, struct amdgpu_ring *ring, unsigned vmid)
{
- u32 data;
+ u32 reg, pre_data, 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) && !amdgpu_sriov_runtime(adev))
+ pre_data = RREG32_NO_KIQ(reg);
+ else
+ pre_data = RREG32(reg);
- data = RREG32_SOC15_NO_KIQ(GC, 0, regRLC_SPM_MC_CNTL);
-
- data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK;
+ data = pre_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;
- WREG32_SOC15_NO_KIQ(GC, 0, regRLC_SPM_MC_CNTL, data);
-
+ if (pre_data != data) {
+ if (amdgpu_sriov_is_pp_one_vf(adev) && !amdgpu_sriov_runtime(adev)) {
+ WREG32_SOC15_NO_KIQ(GC, 0, regRLC_SPM_MC_CNTL, data);
+ } else
+ WREG32_SOC15(GC, 0, regRLC_SPM_MC_CNTL, data);
+ }
amdgpu_gfx_off_ctrl(adev, true);
if (ring
&& amdgpu_sriov_is_pp_one_vf(adev)
+ && (pre_data != data)
&& ((ring->funcs->type == AMDGPU_RING_TYPE_GFX)
|| (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE))) {
- uint32_t reg = SOC15_REG_OFFSET(GC, 0, regRLC_SPM_MC_CNTL);
amdgpu_ring_emit_wreg(ring, reg, data);
}
}