From: Hawking Zhang Date: Thu, 13 May 2021 15:06:57 +0000 (+0800) Subject: drm/amdgpu: add helper function to query dynamic boot config cap X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=cffd6f9d42bd2119edff9efdaaed08cc08178f95;p=uclinux-h8%2Flinux.git drm/amdgpu: add helper function to query dynamic boot config cap Check firmware flags to determine whether dynmaic boot config is supported or not. Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Reviewed-by: John Clements Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index cfd009add15f..8c417014ca89 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -452,6 +452,22 @@ bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev) return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false; } +/* + * Helper function to query dynamic boot config capability + * + * @adev: amdgpu_device pointer + * + * Return true if vbios supports dynamic boot config or false if not + */ +bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev) +{ + u32 fw_cap; + + fw_cap = adev->mode_info.firmware_flags; + + return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false; +} + union smu_info { struct atom_smu_info_v3_1 v31; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h index 8be95d860e45..1bbbb195015d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h @@ -37,6 +37,7 @@ int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev); bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev); bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev); bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev); +bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev); int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev); #endif diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h index f2564ba21c0b..2aa6d27ed68f 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -501,6 +501,7 @@ enum atombios_firmware_capability ATOM_FIRMWARE_CAP_SRAM_ECC = 0x00000200, ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING = 0x00000400, ATOM_FIRMWARE_CAP_ENABLE_2ND_USB20PORT = 0x0008000, + ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE = 0x0020000, }; enum atom_cooling_solution_id{