diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 855ab5963..64b1bb240 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -128,6 +128,7 @@ enum AMDGPU_DEBUG_MASK { AMDGPU_DEBUG_VM = BIT(0), AMDGPU_DEBUG_LARGEBAR = BIT(1), AMDGPU_DEBUG_DISABLE_GPU_SOFT_RECOVERY = BIT(2), + AMDGPU_DEBUG_USE_VRAM_FW_BUF = BIT(3), }; unsigned int amdgpu_vram_limit = UINT_MAX; @@ -209,6 +210,7 @@ int amdgpu_umsch_mm; int amdgpu_seamless = -1; /* auto */ uint amdgpu_debug_mask; int amdgpu_agp = -1; /* auto */ +int amdgpu_wbrf = -1; int amdgpu_damage_clips = -1; /* auto */ static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work); @@ -985,6 +987,22 @@ module_param_named(debug_mask, amdgpu_debug_mask, uint, 0444); MODULE_PARM_DESC(agp, "AGP (-1 = auto (default), 0 = disable, 1 = enable)"); module_param_named(agp, amdgpu_agp, int, 0444); +/** + * DOC: wbrf (int) + * Enable Wifi RFI interference mitigation feature. + * Due to electrical and mechanical constraints there may be likely interference of + * relatively high-powered harmonics of the (G-)DDR memory clocks with local radio + * module frequency bands used by Wifi 6/6e/7. To mitigate the possible RFI interference, + * with this feature enabled, PMFW will use either “shadowed P-State” or “P-State” based + * on active list of frequencies in-use (to be avoided) as part of initial setting or + * P-state transition. However, there may be potential performance impact with this + * feature enabled. + * (0 = disabled, 1 = enabled, -1 = auto (default setting, will be enabled if supported)) + */ +MODULE_PARM_DESC(wbrf, + "Enable Wifi RFI interference mitigation (0 = disabled, 1 = enabled, -1 = auto(default)"); +module_param_named(wbrf, amdgpu_wbrf, int, 0444); + /* These devices are not supported by amdgpu. * They are supported by the mach64, r128, radeon drivers */ @@ -2113,6 +2131,11 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev) pr_info("debug: soft reset for GPU recovery disabled\n"); adev->debug_disable_soft_recovery = true; } + + if (amdgpu_debug_mask & AMDGPU_DEBUG_USE_VRAM_FW_BUF) { + pr_info("debug: place fw in vram for frontdoor loading\n"); + adev->debug_use_vram_fw_buf = true; + } } static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags) @@ -2224,6 +2247,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, ddev); + amdgpu_init_debug_options(adev); + ret = amdgpu_driver_load_kms(adev, flags); if (ret) goto err_pci; @@ -2243,6 +2268,10 @@ retry_init: if (ret) goto err_pci; + ret = amdgpu_amdkfd_drm_client_create(adev); + if (ret) + goto err_pci; + /* * 1. don't init fbdev on hw without DCE * 2. don't init fbdev if there are no connectors @@ -2304,8 +2333,6 @@ retry_init: amdgpu_get_secondary_funcs(adev); } - amdgpu_init_debug_options(adev); - return 0; err_pci: @@ -2424,8 +2451,11 @@ static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work) } for (i = 0; i < mgpu_info.num_dgpu; i++) { adev = mgpu_info.gpu_ins[i].adev; - if (!adev->kfd.init_complete) + if (!adev->kfd.init_complete) { + kgd2kfd_init_zone_device(adev); amdgpu_amdkfd_device_init(adev); + amdgpu_amdkfd_drm_client_create(adev); + } amdgpu_ttm_set_buffer_funcs_status(adev, true); } } |