diff options
| author | Shiwu Zhang <shiwu.zhang@amd.com> | 2023-05-17 14:15:05 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 11:02:12 -0400 |
| commit | 9535a86a4072babc37dc6bdadae52bdbb88166f5 (patch) | |
| tree | ce49d43acf4af9962e722b73b59c39b2c1322093 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | cfdce594171cea19ba033e8d7ff57a767c0ccd63 (diff) | |
| download | lwn-9535a86a4072babc37dc6bdadae52bdbb88166f5.tar.gz lwn-9535a86a4072babc37dc6bdadae52bdbb88166f5.zip | |
drm/amdgpu: bypass bios dependent operations
Since bios reading does not work currently so just bypass all operations
related to bios
v2: hardcode the vram info for APP_APU case (hawking)
v3: correct the vram_width with channel number * channel size (lijo)
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 66 |
1 files changed, 41 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ff9ca0dbeb5a..8f50ca2bee97 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1389,6 +1389,15 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) return 0; } +static bool amdgpu_device_read_bios(struct amdgpu_device *adev) +{ + if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU)) { + return false; + } + + return true; +} + /* * GPU helpers function. */ @@ -1408,6 +1417,9 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) return false; + if (!amdgpu_device_read_bios(adev)) + return false; + if (amdgpu_passthrough(adev)) { /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot * some old smc fw still need driver do vPost otherwise gpu hang, while @@ -2318,14 +2330,16 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) return r; /* Read BIOS */ - if (!amdgpu_get_bios(adev)) - return -EINVAL; + if (amdgpu_device_read_bios(adev)) { + if (!amdgpu_get_bios(adev)) + return -EINVAL; - r = amdgpu_atombios_init(adev); - if (r) { - dev_err(adev->dev, "amdgpu_atombios_init failed\n"); - amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); - return r; + r = amdgpu_atombios_init(adev); + if (r) { + dev_err(adev->dev, "amdgpu_atombios_init failed\n"); + amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); + return r; + } } /*get pf2vf msg info at it's earliest time*/ @@ -3945,25 +3959,27 @@ int amdgpu_device_init(struct amdgpu_device *adev, } } - if (adev->is_atom_fw) { - /* Initialize clocks */ - r = amdgpu_atomfirmware_get_clock_info(adev); - if (r) { - dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); - amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); - goto failed; - } - } else { - /* Initialize clocks */ - r = amdgpu_atombios_get_clock_info(adev); - if (r) { - dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); - amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); - goto failed; + if (adev->bios) { + if (adev->is_atom_fw) { + /* Initialize clocks */ + r = amdgpu_atomfirmware_get_clock_info(adev); + if (r) { + dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); + amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); + goto failed; + } + } else { + /* Initialize clocks */ + r = amdgpu_atombios_get_clock_info(adev); + if (r) { + dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); + amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); + goto failed; + } + /* init i2c buses */ + if (!amdgpu_device_has_dc_support(adev)) + amdgpu_atombios_i2c_init(adev); } - /* init i2c buses */ - if (!amdgpu_device_has_dc_support(adev)) - amdgpu_atombios_i2c_init(adev); } fence_driver_init: |