Commit 3ce3f857 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Fix DPX valid mode check on GC 9.4.3 



For DPX mode, the number of memory partitions supported should be less
than or equal to 2.

Fixes: 1589c82a ("drm/amdgpu: Check memory ranges for valid xcp mode")
Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 990c4f58)
Cc: stable@vger.kernel.org
parent 74e10064

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

+1 −1
Original line number Diff line number Diff line
@@ -482,7 +482,7 @@ static bool __aqua_vanjaram_is_valid_mode(struct amdgpu_xcp_mgr *xcp_mgr, 
	case AMDGPU_SPX_PARTITION_MODE:

		return adev->gmc.num_mem_partitions == 1 && num_xcc > 0;

	case AMDGPU_DPX_PARTITION_MODE:

		return adev->gmc.num_mem_partitions != 8 && (num_xcc % 4) == 0;

		return adev->gmc.num_mem_partitions <= 2 && (num_xcc % 4) == 0;

	case AMDGPU_TPX_PARTITION_MODE:

		return (adev->gmc.num_mem_partitions == 1 ||

			adev->gmc.num_mem_partitions == 3) &&