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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-05-14 15:39:36 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-06-17 15:51:34 -0400 |
| commit | 51fe463018a311083195f95b3e4067f4b3833065 (patch) | |
| tree | 8913e840ea2490964a586751aa7fcbdcbd2c6e51 /drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | |
| parent | b83490ad9845a7f9c1e91e9c076249bcfb745cfe (diff) | |
| download | linux-next-51fe463018a311083195f95b3e4067f4b3833065.tar.gz linux-next-51fe463018a311083195f95b3e4067f4b3833065.zip | |
drm/amdgpu/mes: add a MMIO queue reset helper
Will be used by KFD for MMIO based resets.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 34e040b7fb49..3aa5bd1e67c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -439,6 +439,36 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev, return r; } +int amdgpu_mes_reset_queue_mmio(struct amdgpu_device *adev, + int queue_type, + unsigned int vmid, + unsigned int me, + unsigned int pipe, + unsigned int queue, + uint32_t xcc_id) +{ + struct mes_reset_queue_input queue_input; + int r; + + memset(&queue_input, 0, sizeof(queue_input)); + + queue_input.xcc_id = xcc_id; + queue_input.me_id = me; + queue_input.pipe_id = pipe; + queue_input.queue_id = queue; + queue_input.vmid = vmid; + queue_input.queue_type = queue_type; + queue_input.use_mmio = true; + + amdgpu_mes_lock(&adev->mes); + r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input); + amdgpu_mes_unlock(&adev->mes); + if (r) + dev_err(adev->dev, "failed to reset legacy queue\n"); + + return r; +} + int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev, int queue_type, unsigned int doorbell_index, |