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Commit 7946b878 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add a callback for reading the bios from the rom directly 



This is necessary when the vbios image is not directly accessible via
the rom BAR or legacy vga location.

Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarMonk Liu <monk.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d26678da

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+3 −0
Original line number Diff line number Diff line
@@ -1826,6 +1826,8 @@ struct amdgpu_cu_info { 
 */

struct amdgpu_asic_funcs {

	bool (*read_disabled_bios)(struct amdgpu_device *adev);

	bool (*read_bios_from_rom)(struct amdgpu_device *adev,

				   u8 *bios, u32 length_bytes);

	int (*read_register)(struct amdgpu_device *adev, u32 se_num,

			     u32 sh_num, u32 reg_offset, u32 *value);

	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
@@ -2232,6 +2234,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) 
#define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))

#define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))

#define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))

#define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))

#define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))

#define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))

#define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))