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/soc15.c | |
| parent | drm/amdgpu: retire rlc callbacks sriov_rreg/wreg (diff) | |
| download | linux-dev-04022982fc5ddac6cc783d66846f2464fe4985fb.tar.xz linux-dev-04022982fc5ddac6cc783d66846f2464fe4985fb.zip | |
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/soc15.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 6c8fcc4e29f4..a0235f75dbcb 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -375,39 +375,6 @@ static bool soc15_read_disabled_bios(struct amdgpu_device *adev) return false; } -static bool soc15_read_bios_from_rom(struct amdgpu_device *adev, - u8 *bios, u32 length_bytes) -{ - u32 *dw_ptr; - u32 i, length_dw; - uint32_t rom_index_offset; - uint32_t 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 soc15_allowed_read_registers[] = { { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)}, { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)}, @@ -925,7 +892,7 @@ static void soc15_pre_asic_init(struct amdgpu_device *adev) static const struct amdgpu_asic_funcs soc15_asic_funcs = { .read_disabled_bios = &soc15_read_disabled_bios, - .read_bios_from_rom = &soc15_read_bios_from_rom, + .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom, .read_register = &soc15_read_register, .reset = &soc15_asic_reset, .reset_method = &soc15_asic_reset_method, @@ -947,7 +914,7 @@ static const struct amdgpu_asic_funcs soc15_asic_funcs = static const struct amdgpu_asic_funcs vega20_asic_funcs = { .read_disabled_bios = &soc15_read_disabled_bios, - .read_bios_from_rom = &soc15_read_bios_from_rom, + .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom, .read_register = &soc15_read_register, .reset = &soc15_asic_reset, .reset_method = &soc15_asic_reset_method, |