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drm/amdgpu: use drm_exec for GEM and CSA handling v2

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Start using the new component here as well.

v2: ignore duplicates to allow per VM BO mappings

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230711133122.3710-5-christian.koenig@amd.com
This commit is contained in:
Christian König
2022-04-19 14:33:39 +02:00
parent 8abc1eb298
commit 8a206685d3
2 changed files with 71 additions and 86 deletions
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78
drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
View File

@@ -22,6 +22,8 @@
* * Author: Monk.liu@amd.com
*/
#include <drm/drm_exec.h>
#include "amdgpu.h"
uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev)
@@ -65,31 +67,25 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va,
uint64_t csa_addr, uint32_t size)
{
struct ww_acquire_ctx ticket;
struct list_head list;
struct amdgpu_bo_list_entry pd;
struct ttm_validate_buffer csa_tv;
struct drm_exec exec;
int r;
INIT_LIST_HEAD(&list);
INIT_LIST_HEAD(&csa_tv.head);
csa_tv.bo = &bo->tbo;
csa_tv.num_shared = 1;
list_add(&csa_tv.head, &list);
amdgpu_vm_get_pd_bo(vm, &list, &pd);
r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
if (r) {
DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
return r;
drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
drm_exec_until_all_locked(&exec) {
r = amdgpu_vm_lock_pd(vm, &exec, 0);
if (likely(!r))
r = drm_exec_lock_obj(&exec, &bo->tbo.base);
drm_exec_retry_on_contention(&exec);
if (unlikely(r)) {
DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
goto error;
}
}
*bo_va = amdgpu_vm_bo_add(adev, vm, bo);
if (!*bo_va) {
ttm_eu_backoff_reservation(&ticket, &list);
DRM_ERROR("failed to create bo_va for static CSA\n");
return -ENOMEM;
r = -ENOMEM;
goto error;
}
r = amdgpu_vm_bo_map(adev, *bo_va, csa_addr, 0, size,
@@ -99,48 +95,42 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (r) {
DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r);
amdgpu_vm_bo_del(adev, *bo_va);
ttm_eu_backoff_reservation(&ticket, &list);
return r;
goto error;
}
ttm_eu_backoff_reservation(&ticket, &list);
return 0;
error:
drm_exec_fini(&exec);
return r;
}
int amdgpu_unmap_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
struct amdgpu_bo *bo, struct amdgpu_bo_va *bo_va,
uint64_t csa_addr)
{
struct ww_acquire_ctx ticket;
struct list_head list;
struct amdgpu_bo_list_entry pd;
struct ttm_validate_buffer csa_tv;
struct drm_exec exec;
int r;
INIT_LIST_HEAD(&list);
INIT_LIST_HEAD(&csa_tv.head);
csa_tv.bo = &bo->tbo;
csa_tv.num_shared = 1;
list_add(&csa_tv.head, &list);
amdgpu_vm_get_pd_bo(vm, &list, &pd);
r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
if (r) {
DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
return r;
drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
drm_exec_until_all_locked(&exec) {
r = amdgpu_vm_lock_pd(vm, &exec, 0);
if (likely(!r))
r = drm_exec_lock_obj(&exec, &bo->tbo.base);
drm_exec_retry_on_contention(&exec);
if (unlikely(r)) {
DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
goto error;
}
}
r = amdgpu_vm_bo_unmap(adev, bo_va, csa_addr);
if (r) {
DRM_ERROR("failed to do bo_unmap on static CSA, err=%d\n", r);
ttm_eu_backoff_reservation(&ticket, &list);
return r;
goto error;
}
amdgpu_vm_bo_del(adev, bo_va);
ttm_eu_backoff_reservation(&ticket, &list);
return 0;
error:
drm_exec_fini(&exec);
return r;
}