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drm/amdgpu/sdma7: add support for disable_kq

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When the parameter is set, disable user submissions
to kernel queues.

Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2025-02-18 13:23:55 -05:00
parent fcf5eb979a
commit 72801504fd
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
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@ -1254,6 +1254,9 @@ static int sdma_v7_0_early_init(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int r;
if (amdgpu_disable_kq == 1)
adev->sdma.no_user_submission = true;
r = amdgpu_sdma_init_microcode(adev, 0, true);
if (r) {
DRM_ERROR("Failed to init sdma firmware!\n");
@ -1289,6 +1292,7 @@ static int sdma_v7_0_sw_init(struct amdgpu_ip_block *ip_block)
ring->ring_obj = NULL;
ring->use_doorbell = true;
ring->me = i;
ring->no_user_submission = adev->sdma.no_user_submission;
DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
ring->use_doorbell?"true":"false");