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drm/amdgpu: Add switch_compute_partition callback for imu v12_1

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To enable switching compute partition mode

v2: cleanup (Alex)

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2025-06-06 00:11:10 +08:00 committed by Alex Deucher
parent 7ce7234189
commit 84d8beaf11
2 changed files with 21 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h
View File

@ -36,6 +36,8 @@ struct amdgpu_imu_funcs {
int (*start_imu)(struct amdgpu_device *adev);
void (*program_rlc_ram)(struct amdgpu_device *adev);
int (*wait_for_reset_status)(struct amdgpu_device *adev);
int (*switch_compute_partition)(struct amdgpu_device *adev,
int num_xccs_per_xcp);
};
struct imu_rlc_ram_golden {

19
drivers/gpu/drm/amd/amdgpu/imu_v12_1.c
View File

@ -133,7 +133,26 @@ static int imu_v12_1_load_microcode(struct amdgpu_device *adev)
return 0;
}
static int imu_v12_1_switch_compute_partition(struct amdgpu_device *adev,
int num_xccs_per_xcp)
{
int ret;
if (adev->psp.funcs) {
ret = psp_spatial_partition(&adev->psp,
NUM_XCC(adev->gfx.xcc_mask) /
num_xccs_per_xcp);
if (ret)
return ret;
}
adev->gfx.num_xcc_per_xcp = num_xccs_per_xcp;
return 0;
}
const struct amdgpu_imu_funcs gfx_v12_1_imu_funcs = {
.init_microcode = imu_v12_1_init_microcode,
.load_microcode = imu_v12_1_load_microcode,
.switch_compute_partition = imu_v12_1_switch_compute_partition,
};