diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2022-01-08 12:18:37 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-04-29 00:48:32 +0300 |
| commit | fb1d6835137369d6776c3141593b5b33369f3ca3 (patch) | |
| tree | 94e17633f46bcaf7edeed589fda6709800d8bba0 /drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | |
| parent | f33ac92f9c010be84ecbbec7e30990012be806e8 (diff) | |
| download | linux-fb1d6835137369d6776c3141593b5b33369f3ca3.tar.xz | |
drm/amdgpu: add nbio callback to query rom offset
Add nbio callback func used to query rom offset.
Used to query the rom offset for fetching the vbios.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c index 0eddca795e96..e363f56c72af 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c @@ -471,6 +471,7 @@ bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev, { u32 *dw_ptr; u32 i, length_dw; + u32 rom_offset; u32 rom_index_offset; u32 rom_data_offset; @@ -494,8 +495,16 @@ bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev, rom_data_offset = adev->smuio.funcs->get_rom_data_offset(adev); - /* set rom index to 0 */ - WREG32(rom_index_offset, 0); + if (adev->nbio.funcs && + adev->nbio.funcs->get_rom_offset) { + rom_offset = adev->nbio.funcs->get_rom_offset(adev); + rom_offset = rom_offset << 17; + } else { + rom_offset = 0; + } + + /* set rom index to rom_offset */ + WREG32(rom_index_offset, rom_offset); /* read out the rom data */ for (i = 0; i < length_dw; i++) dw_ptr[i] = RREG32(rom_data_offset); |