diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2022-01-10 17:31:27 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-25 18:00:33 -0500 |
| commit | 04022982fc5ddac6cc783d66846f2464fe4985fb (patch) | |
| tree | 4e242420b8b5fd382be6ea5b32789a1b66ec29cf /drivers/gpu/drm/amd/amdgpu/nv.c | |
| parent | 381519dff88845bbe522e7446ec1e32e351c670d (diff) | |
| download | linux-04022982fc5ddac6cc783d66846f2464fe4985fb.tar.gz | |
drm/amdgpu: switch to common helper to read bios from rom
create a common helper function for soc15 and onwards
to read bios image from rom
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/nv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 8f0c92cbdc4a..f76834085b34 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -330,38 +330,6 @@ static bool nv_read_disabled_bios(struct amdgpu_device *adev) return false; } -static bool nv_read_bios_from_rom(struct amdgpu_device *adev, - u8 *bios, u32 length_bytes) -{ - u32 *dw_ptr; - u32 i, length_dw; - u32 rom_index_offset, rom_data_offset; - - if (bios == NULL) - return false; - if (length_bytes == 0) - return false; - /* APU vbios image is part of sbios image */ - if (adev->flags & AMD_IS_APU) - return false; - - dw_ptr = (u32 *)bios; - length_dw = ALIGN(length_bytes, 4) / 4; - - rom_index_offset = - adev->smuio.funcs->get_rom_index_offset(adev); - rom_data_offset = - adev->smuio.funcs->get_rom_data_offset(adev); - - /* set rom index to 0 */ - WREG32(rom_index_offset, 0); - /* read out the rom data */ - for (i = 0; i < length_dw; i++) - dw_ptr[i] = RREG32(rom_data_offset); - - return true; -} - static struct soc15_allowed_register_entry nv_allowed_read_registers[] = { { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)}, { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)}, @@ -678,7 +646,7 @@ static int nv_update_umd_stable_pstate(struct amdgpu_device *adev, static const struct amdgpu_asic_funcs nv_asic_funcs = { .read_disabled_bios = &nv_read_disabled_bios, - .read_bios_from_rom = &nv_read_bios_from_rom, + .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom, .read_register = &nv_read_register, .reset = &nv_asic_reset, .reset_method = &nv_asic_reset_method, |