drm/amdgpu: add basic support for atomfirmware.h (v3)

This adds basic support for asics that use atomfirmware.h
to define their vbios tables.

v2: rebase
v3: squash in num scratch reg fix

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2790129c0b76..a7108ba94794 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -111,7 +111,7 @@ extern int amdgpu_vram_page_split;
 #define AMDGPU_IB_POOL_SIZE                     16
 #define AMDGPU_DEBUGFS_MAX_COMPONENTS           32
 #define AMDGPUFB_CONN_LIMIT                     4
-#define AMDGPU_BIOS_NUM_SCRATCH                 8
+#define AMDGPU_BIOS_NUM_SCRATCH                 16
 
 /* max number of IP instances */
 #define AMDGPU_MAX_SDMA_INSTANCES               2
@@ -1312,6 +1312,7 @@ struct amdgpu_device {
         uint8_t                         *bios;
         uint32_t                        bios_size;
         struct amdgpu_bo                *stollen_vga_memory;
+        uint32_t                        bios_scratch_reg_offset;
         uint32_t                        bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
 
         /* Register/doorbell mmio */