diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index 572ef5be539f..e408abfc2daf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -251,6 +251,7 @@ struct amdgpu_gmc { uint64_t last_fault:AMDGPU_GMC_FAULT_RING_ORDER; bool tmz_enabled; + bool is_app_apu; const struct amdgpu_gmc_funcs *gmc_funcs; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 2966aca9545d..0792c48fe347 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1442,6 +1442,20 @@ static int gmc_v9_0_early_init(void *handle) adev->smuio.funcs->is_host_gpu_xgmi_supported(adev); } + if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3)) { + enum amdgpu_pkg_type pkg_type = + adev->smuio.funcs->get_pkg_type(adev); + /* On GFXIP 9.4.3. APU, there is no physical VRAM domain present + * and the APU, can be in used two possible modes: + * - carveout mode + * - native APU mode + * "is_app_apu" can be used to identify the APU in the native + * mode. + */ + adev->gmc.is_app_apu = (pkg_type == AMDGPU_PKG_TYPE_APU && + !pci_resource_len(adev->pdev, 0)); + } + gmc_v9_0_set_gmc_funcs(adev); gmc_v9_0_set_irq_funcs(adev); gmc_v9_0_set_umc_funcs(adev); |