github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-26 01:52:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu/mes: add a MMIO queue reset helper

Browse Source 
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>
This commit is contained in:
Alex Deucher 2026-05-14 15:39:36 -04:00
parent b83490ad98
commit 51fe463018
2 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -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,

7
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -459,6 +459,13 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev,
unsigned int vmid,
bool use_mmio,
uint32_t xcc_id);
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);
int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev,
int queue_type,
unsigned int doorbell_index,