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drm/amdgpu: Fix failure when switching to DPX mode

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Fix the if condition which causes dynamic repartitioning
to fail when trying to switch to DPX mode.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Amber Lin <Amber.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mukul Joshi 2022-09-29 12:07:49 -04:00 committed by Alex Deucher
parent 02ee3b02d7
commit cb30544e3c
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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@ -1216,7 +1216,11 @@ static ssize_t amdgpu_gfx_set_compute_partition(struct device *dev,
if (!strncasecmp("SPX", buf, strlen("SPX"))) {
mode = AMDGPU_SPX_PARTITION_MODE;
} else if (!strncasecmp("DPX", buf, strlen("DPX"))) {
if (num_xcc != 4 || num_xcc != 8)
/*
* DPX mode needs AIDs to be in multiple of 2.
* Each AID connects 2 XCCs.
*/
if (num_xcc%4)
return -EINVAL;
mode = AMDGPU_DPX_PARTITION_MODE;
} else if (!strncasecmp("TPX", buf, strlen("TPX"))) {