On 2022-04-19 10:19, Christian König wrote:
We just need to reserve the BO here, no need for using ttm_eu.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 32 ++++++++++---------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 73423b805b54..91e9922b95b3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7583,9 +7583,6 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
struct amdgpu_device *adev;
struct amdgpu_bo *rbo;
struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
- struct list_head list;
- struct ttm_validate_buffer tv;
- struct ww_acquire_ctx ticket;
uint32_t domain;
int r;
@@ -7598,18 +7595,19 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
obj = new_state->fb->obj[0];
rbo = gem_to_amdgpu_bo(obj);
adev = amdgpu_ttm_adev(rbo->tbo.bdev);
- INIT_LIST_HEAD(&list);
- tv.bo = &rbo->tbo;
- tv.num_shared = 1;
- list_add(&tv.head, &list);
-
- r = ttm_eu_reserve_buffers(&ticket, &list, false, NULL);
+ r = amdgpu_bo_reserve(rbo, true);
if (r) {
dev_err(adev->dev, "fail to reserve bo (%d)\n", r);
return r;
}
+ r = dma_resv_reserve_fences(rbo->tbo.base.resv, 1);
+ if (r) {
+ dev_err(adev->dev, "reserving fence slot failed (%d)\n", r);
+ goto error_unlock;
+ }
+
if (plane->type != DRM_PLANE_TYPE_CURSOR)
domain = amdgpu_display_supported_domains(adev, rbo->flags);
else
@@ -7619,19 +7617,16 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
- ttm_eu_backoff_reservation(&ticket, &list);
- return r;
+ goto error_unlock;
}
r = amdgpu_ttm_alloc_gart(&rbo->tbo);
if (unlikely(r != 0)) {
- amdgpu_bo_unpin(rbo);
- ttm_eu_backoff_reservation(&ticket, &list);
DRM_ERROR("%p bind failed\n", rbo);
- return r;
+ goto error_unpin;
}
- ttm_eu_backoff_reservation(&ticket, &list);
+ amdgpu_bo_unreserve(rbo);
afb->address = amdgpu_bo_gpu_offset(rbo);
@@ -7663,6 +7658,13 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
}
return 0;
+
+error_unpin:
+ amdgpu_bo_unpin(rbo);
+
+error_unlock:
+ amdgpu_bo_unreserve(rbo);
+ return r;
}
static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
