diff options
| author | Yifan Zha <[email protected]> | 2022-07-27 10:50:55 +0800 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-09-01 15:11:31 -0400 |
| commit | 425fede6e849df5676a41a520e0064fadc98a6b9 (patch) | |
| tree | e37ca056c83ab0ccee45d754b9615668d65851df | |
| parent | f8bd73213a13b695594fac76cae67105bcfc7706 (diff) | |
drm/amdgpu: Use PSP program IH_RB_CNTL registers under SRIOV
[Why]
With L1 Policy applied, IH_RB_CNTL/RING cannot be accessed by VF.
[How]
Use PSP program IH_RB_CNTL in VF.
Acked-by: Christian König <[email protected]>
Signed-off-by: Yifan Zha <[email protected]>
Signed-off-by: Horace Chen <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ih_v6_0.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c index 085e613f3646..7cd79a3844b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c @@ -105,7 +105,13 @@ force_update_wptr_for_self_int(struct amdgpu_device *adev, ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1, RB_USED_INT_THRESHOLD, threshold); - WREG32_SOC15(OSSSYS, 0, regIH_RB_CNTL_RING1, ih_rb_cntl); + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1, ih_rb_cntl)) + return; + } else { + WREG32_SOC15(OSSSYS, 0, regIH_RB_CNTL_RING1, ih_rb_cntl); + } + WREG32_SOC15(OSSSYS, 0, regIH_CNTL2, ih_cntl); } @@ -132,7 +138,13 @@ static int ih_v6_0_toggle_ring_interrupts(struct amdgpu_device *adev, /* enable_intr field is only valid in ring0 */ if (ih == &adev->irq.ih) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 0)); - WREG32(ih_regs->ih_rb_cntl, tmp); + + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) + return -ETIMEDOUT; + } else { + WREG32(ih_regs->ih_rb_cntl, tmp); + } if (enable) { ih->enabled = true; @@ -242,7 +254,15 @@ static int ih_v6_0_enable_ring(struct amdgpu_device *adev, tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_ENABLE, 0); tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_FULL_DRAIN_ENABLE, 1); } - WREG32(ih_regs->ih_rb_cntl, tmp); + + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) { + DRM_ERROR("PSP program IH_RB_CNTL failed!\n"); + return -ETIMEDOUT; + } + } else { + WREG32(ih_regs->ih_rb_cntl, tmp); + } if (ih == &adev->irq.ih) { /* set the ih ring 0 writeback address whether it's enabled or not */ |