Reviewed-by: Monk Liu <monk....@amd.com>
_____________________________________
Monk Liu|GPU Virtualization Team |AMD
-----Original Message-----
From: Christian König <ckoenig.leichtzumer...@gmail.com>
Sent: Tuesday, April 21, 2020 10:23 PM
To: Liu, Monk <monk....@amd.com>; He, Jacob <jacob...@amd.com>; Tao, Yintian
<yintian....@amd.com>; amd-gfx@lists.freedesktop.org
Subject: [PATCH] drm/amdgpu: change how we update mmRLC_SPM_MC_CNTL
In pp_one_vf mode avoid the extra overhead and read/write the registers without
the KIQ.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 13 ++++++++++---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 10 ++++++++--
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 13 ++++++++++---
3 files changed, 28 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 0a03e2ad5d95..560ec1c29977 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -7030,14 +7030,21 @@ static int gfx_v10_0_update_gfx_clock_gating(struct
amdgpu_device *adev,
static void gfx_v10_0_update_spm_vmid(struct amdgpu_device *adev, unsigned
vmid) {
- u32 data;
+ u32 reg, data;
- data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL);
+ 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(reg);
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(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ 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);
}
static bool gfx_v10_0_check_rlcg_range(struct amdgpu_device *adev, diff --git
a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index fc6c2f2bc76c..a9bcc00f4348 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5615,12 +5615,18 @@ static void gfx_v8_0_update_spm_vmid(struct
amdgpu_device *adev, unsigned vmid) {
u32 data;
- data = RREG32(mmRLC_SPM_VMID);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ data = RREG32_NO_KIQ(mmRLC_SPM_VMID);
+ else
+ data = RREG32(mmRLC_SPM_VMID);
data &= ~RLC_SPM_VMID__RLC_SPM_VMID_MASK;
data |= (vmid & RLC_SPM_VMID__RLC_SPM_VMID_MASK) <<
RLC_SPM_VMID__RLC_SPM_VMID__SHIFT;
- WREG32(mmRLC_SPM_VMID, data);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ WREG32_NO_KIQ(mmRLC_SPM_VMID, data);
+ else
+ WREG32(mmRLC_SPM_VMID, data);
}
static const struct amdgpu_rlc_funcs iceland_rlc_funcs = { diff --git
a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 54eded9a6ac5..c7de10869c81 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4950,14 +4950,21 @@ static int gfx_v9_0_update_gfx_clock_gating(struct
amdgpu_device *adev,
static void gfx_v9_0_update_spm_vmid(struct amdgpu_device *adev, unsigned
vmid) {
- u32 data;
+ u32 reg, data;
- data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL);
+ 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(reg);
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(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ 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);
}
static bool gfx_v9_0_check_rlcg_range(struct amdgpu_device *adev,
--
2.17.1
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