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

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commit 3ce3f85787352fa48fc02ef6cbd7a5e5aba93347 upstream.

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

Fixes: 1589c82a10 ("drm/amdgpu: Check memory ranges for valid xcp mode")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 990c4f580742de7bb78fa57420ffd182fc3ab4cd)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lijo Lazar
2024-11-04 10:36:13 +05:30
committed by Greg Kroah-Hartman
parent e2574b5799
commit 3930715c1a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
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@@ -440,7 +440,7 @@ 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) &&