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drm/amdgpu: do not store bios_header_start in amdgpu_device 

It is only used locally in amdgpu_get_bios

Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nils Wallménius 2016-03-19 16:12:13 +01:00 committed by Alex Deucher
parent 16fae6502d
commit 379548f509
2 changed files with 4 additions and 5 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -1924,7 +1924,6 @@ struct amdgpu_device {
/* BIOS */
uint8_t *bios;
bool is_atom_bios;
uint16_t bios_header_start;
struct amdgpu_bo *stollen_vga_memory;
uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];

8
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
View File

@ -349,7 +349,7 @@ static inline bool amdgpu_acpi_vfct_bios(struct amdgpu_device *adev)
bool amdgpu_get_bios(struct amdgpu_device *adev)
{
bool r;
uint16_t tmp;
uint16_t tmp, bios_header_start;
r = amdgpu_atrm_get_bios(adev);
if (r == false)
@ -383,11 +383,11 @@ bool amdgpu_get_bios(struct amdgpu_device *adev)
goto free_bios;
}
adev->bios_header_start = RBIOS16(0x48);
if (!adev->bios_header_start) {
bios_header_start = RBIOS16(0x48);
if (!bios_header_start) {
goto free_bios;
}
tmp = adev->bios_header_start + 4;
tmp = bios_header_start + 4;
if (!memcmp(adev->bios + tmp, "ATOM", 4) ||
!memcmp(adev->bios + tmp, "MOTA", 4)) {
adev->is_atom_bios = true;