diff options
| author | Victor Lu <victorchengchi.lu@amd.com> | 2023-06-16 11:01:59 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-18 11:16:41 -0400 |
| commit | 8ed49dd1d3a7448744d57e1da2062b074cba2e49 (patch) | |
| tree | 853c08a5a0e155d70a6b67c9d6561d9d66e07b9b /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
| parent | 4a8e0f9558d74053a5f23bd02dff6883dc837aaf (diff) | |
drm/amdgpu: Add RLCG interface driver implementation for gfx v9.4.3 (v3)
Add RLCG interface support for gfx v9.4.3 and multiple XCCs.
Do not enable it yet.
v2: Fix amdgpu_rlcg_reg_access_ctrl init, add support for multiple XCCs
in amdgpu_mm_wreg_mmio_rlc
v3: Use GET_INST() when indexing amdgpu_rlcg_reg_access_ctrl
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 41aa853a07d2..770eb9725ec1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -954,7 +954,7 @@ static bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev, return ret; } -static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag) +static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id) { struct amdgpu_rlcg_reg_access_ctrl *reg_access_ctrl; uint32_t timeout = 50000; @@ -972,7 +972,12 @@ static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v return 0; } - reg_access_ctrl = &adev->gfx.rlc.reg_access_ctrl; + if (adev->gfx.xcc_mask && (((1 << xcc_id) & adev->gfx.xcc_mask) == 0)) { + dev_err(adev->dev, "invalid xcc\n"); + return 0; + } + + reg_access_ctrl = &adev->gfx.rlc.reg_access_ctrl[xcc_id]; scratch_reg0 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg0; scratch_reg1 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg1; scratch_reg2 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg2; @@ -1037,13 +1042,13 @@ static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v void amdgpu_sriov_wreg(struct amdgpu_device *adev, u32 offset, u32 value, - u32 acc_flags, u32 hwip) + u32 acc_flags, u32 hwip, u32 xcc_id) { u32 rlcg_flag; if (!amdgpu_sriov_runtime(adev) && amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, hwip, true, &rlcg_flag)) { - amdgpu_virt_rlcg_reg_rw(adev, offset, value, rlcg_flag); + amdgpu_virt_rlcg_reg_rw(adev, offset, value, rlcg_flag, xcc_id); return; } @@ -1054,13 +1059,13 @@ void amdgpu_sriov_wreg(struct amdgpu_device *adev, } u32 amdgpu_sriov_rreg(struct amdgpu_device *adev, - u32 offset, u32 acc_flags, u32 hwip) + u32 offset, u32 acc_flags, u32 hwip, u32 xcc_id) { u32 rlcg_flag; if (!amdgpu_sriov_runtime(adev) && amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, hwip, false, &rlcg_flag)) - return amdgpu_virt_rlcg_reg_rw(adev, offset, 0, rlcg_flag); + return amdgpu_virt_rlcg_reg_rw(adev, offset, 0, rlcg_flag, xcc_id); if (acc_flags & AMDGPU_REGS_NO_KIQ) return RREG32_NO_KIQ(offset); |