Patch "drm/amdgpu: access RLC_SPM_MC_CNTL through MMIO in SRIOV runtime" has been added to the 6.6-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    drm/amdgpu: access RLC_SPM_MC_CNTL through MMIO in SRIOV runtime

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amdgpu-access-rlc_spm_mc_cntl-through-mmio-in-sr.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 2ff3d3a224a13708fca6f0dad110a67c660b8b9a
Author: ZhenGuo Yin <zhenguo.yin@xxxxxxx>
Date:   Mon Aug 28 14:18:52 2023 +0800

    drm/amdgpu: access RLC_SPM_MC_CNTL through MMIO in SRIOV runtime
    
    [ 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@xxxxxxx>
    Signed-off-by: ZhenGuo Yin <zhenguo.yin@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

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);
 }