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drm/amdgpu/atomfirmware: add memory training related helper functions(v3)

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parse firmware to get memory training capability and fb location.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tianci.Yin
2019-09-30 13:43:31 +08:00
committed by Alex Deucher
parent 66e111292b
commit efe4f00077
4 changed files with 150 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -288,6 +288,9 @@ struct amdgpu_ip_block_version {
const struct amd_ip_funcs *funcs;
};
#define HW_REV(_Major, _Minor, _Rev) \
((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
struct amdgpu_ip_block {
struct amdgpu_ip_block_status status;
const struct amdgpu_ip_block_version *version;
@@ -627,6 +630,11 @@ struct amdgpu_fw_vram_usage {
u64 size;
struct amdgpu_bo *reserved_bo;
void *va;
/* Offset on the top of VRAM, used as c2p write buffer.
*/
u64 mem_train_fb_loc;
bool mem_train_support;
};
/*