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drm/amdgpu: add helper to read UMA carveout info

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Currently, the available UMA allocation configs in the integrated system
information table have not been parsed. Add a helper function to retrieve
and store these configs.

Co-developed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yo-Jung Leo Lin (AMD) <Leo.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yo-Jung Leo Lin (AMD)
2025-12-12 15:59:14 +08:00
committed by Alex Deucher
parent 6f3b631e39
commit 685b7113e0
3 changed files with 113 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
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@@ -32,6 +32,8 @@ void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev);
int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
int *vram_width, int *vram_type, int *vram_vendor);
int amdgpu_atomfirmware_get_uma_carveout_info(struct amdgpu_device *adev,
struct amdgpu_uma_carveout_info *uma_info);
int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev);
bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev);