diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index b58f725cb2f5..7a89c91f7b80 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -535,13 +535,28 @@ uint64_t amdgpu_xgmi_get_relative_phy_addr(struct amdgpu_device *adev, uint64_t addr) { uint32_t df_inst_id; + uint64_t dram_base_addr = 0; + const struct amdgpu_df_funcs *df_funcs = adev->df.funcs; + + if ((!df_funcs) || + (!df_funcs->get_df_inst_id) || + (!df_funcs->get_dram_base_addr)) { + dev_warn(adev->dev, + "XGMI: relative phy_addr algorithm is not supported\n"); + return addr; + } - if ((!adev->df.funcs) || - (!adev->df.funcs->get_df_inst_id) || - (!adev->df.funcs->get_dram_base_addr)) + if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) { + dev_warn(adev->dev, + "failed to disable DF-Cstate, DF register may not be accessible\n"); return addr; + } + + df_inst_id = df_funcs->get_df_inst_id(adev); + dram_base_addr = df_funcs->get_dram_base_addr(adev, df_inst_id); - df_inst_id = adev->df.funcs->get_df_inst_id(adev); + if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW)) + dev_warn(adev->dev, "failed to enable DF-Cstate\n"); - return addr + adev->df.funcs->get_dram_base_addr(adev, df_inst_id); + return addr + dram_base_addr; } |