diff options
author | Victor Skvortsov <victor.skvortsov@amd.com> | 2025-03-27 11:38:42 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2025-04-07 15:18:58 -0400 |
commit | 0c6e39ce6da20104900b11bad64464a12fb47320 (patch) | |
tree | b206cfafc7de7cf69f21ef19e0fa544a81792732 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | |
parent | 4aa8de3d03124db71f24a9bd01198407294456fa (diff) |
drm/amdgpu: Add indirect L1_TLB_CNTL reg programming for VFs
VFs on some IP versions are unable to access this register directly.
This register must be programmed before PSP ring is setup,
so use PSP VF mailbox directly. PSP will broadcast the register
value to all VF assigned instances.
Signed-off-by: Victor Skvortsov <victor.skvortsov@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.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index df03dba67ab8..b6ec6b7969f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -146,11 +146,13 @@ enum AMDGIM_FEATURE_FLAG { enum AMDGIM_REG_ACCESS_FLAG { /* Use PSP to program IH_RB_CNTL */ - AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0), + AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0), /* Use RLC to program MMHUB regs */ - AMDGIM_FEATURE_MMHUB_REG_RLC_EN = (1 << 1), + AMDGIM_FEATURE_MMHUB_REG_RLC_EN = (1 << 1), /* Use RLC to program GC regs */ - AMDGIM_FEATURE_GC_REG_RLC_EN = (1 << 2), + AMDGIM_FEATURE_GC_REG_RLC_EN = (1 << 2), + /* Use PSP to program L1_TLB_CNTL*/ + AMDGIM_FEATURE_L1_TLB_CNTL_PSP_EN = (1 << 3), }; struct amdgim_pf2vf_info_v1 { @@ -330,6 +332,10 @@ struct amdgpu_video_codec_info; (amdgpu_sriov_vf((adev)) && \ ((adev)->virt.reg_access & (AMDGIM_FEATURE_GC_REG_RLC_EN))) +#define amdgpu_sriov_reg_indirect_l1_tlb_cntl(adev) \ +(amdgpu_sriov_vf((adev)) && \ + ((adev)->virt.reg_access & (AMDGIM_FEATURE_L1_TLB_CNTL_PSP_EN))) + #define amdgpu_sriov_rlcg_error_report_enabled(adev) \ (amdgpu_sriov_reg_indirect_mmhub(adev) || amdgpu_sriov_reg_indirect_gc(adev)) |