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drm/amdgpu: Use PSP FW API for partition switch

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Use PSP firmware interface for switching compute partitions.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-06-13 13:39:36 +05:30 • committed by Alex Deucher
parent fe381726c9
commit b00f55374c
2 changed files with 6 additions and 15 deletions
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3
drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
View file

@ -518,9 +518,6 @@ static int aqua_vanjaram_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr,
adev->gfx.funcs->switch_partition_mode(xcp_mgr->adev,
num_xcc_per_xcp);
if (adev->nbio.funcs->set_compute_partition_mode)
adev->nbio.funcs->set_compute_partition_mode(adev, mode);
/* Init info about new xcps */
*num_xcps = num_xcc / num_xcc_per_xcp;
amdgpu_xcp_init(xcp_mgr, *num_xcps, mode);

18
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
View file

@ -623,22 +623,16 @@ static void gfx_v9_4_3_select_me_pipe_q(struct amdgpu_device *adev,
static int gfx_v9_4_3_switch_compute_partition(struct amdgpu_device *adev,
int num_xccs_per_xcp)
{
int i, num_xcc;
u32 tmp = 0;
int ret;
num_xcc = NUM_XCC(adev->gfx.xcc_mask);
for (i = 0; i < num_xcc; i++) {
tmp = REG_SET_FIELD(tmp, CP_HYP_XCP_CTL, NUM_XCC_IN_XCP,
num_xccs_per_xcp);
tmp = REG_SET_FIELD(tmp, CP_HYP_XCP_CTL, VIRTUAL_XCC_ID,
i % num_xccs_per_xcp);
WREG32_SOC15(GC, GET_INST(GC, i), regCP_HYP_XCP_CTL, tmp);
}
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;
return ret;
}
static int gfx_v9_4_3_ih_to_xcc_inst(struct amdgpu_device *adev, int ih_node)