Commit 84d8beaf authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: Add switch_compute_partition callback for imu v12_1 



To enable switching compute partition mode

v2: cleanup (Alex)

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarLikun Gao <Likun.Gao@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7ce72341

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

+2 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/gpu/drm/amd/amdgpu/imu_v12_1.c

+19 −0
Original line number Diff line number Diff line
@@ -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,

};