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| author | Christian König <christian.koenig@amd.com> | 2018-09-19 17:25:08 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-12-08 01:53:44 +0300 |
| commit | a9f34c70fd168b164aadffd46bb757ded52e25b9 (patch) | |
| tree | fd7c5109dc72f884f21d6562481bd24073402770 /drivers/gpu/drm/ttm | |
| parent | c50fe0c5b174153669fd437c1c5fde724b3bc7f4 (diff) | |
| download | linux-a9f34c70fd168b164aadffd46bb757ded52e25b9.tar.xz | |
drm/ttm: allow reserving more than one shared slot v3
Let's support simultaneous submissions to multiple engines.
v2: rename the field to num_shared and fix up all users
v3: rebased
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_execbuf_util.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c index efa005a1c1b7..93860346c426 100644 --- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c +++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c @@ -126,10 +126,11 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, } if (!ret) { - if (!entry->shared) + if (!entry->num_shared) continue; - ret = reservation_object_reserve_shared(bo->resv, 1); + ret = reservation_object_reserve_shared(bo->resv, + entry->num_shared); if (!ret) continue; } @@ -150,8 +151,9 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, } } - if (!ret && entry->shared) - ret = reservation_object_reserve_shared(bo->resv, 1); + if (!ret && entry->num_shared) + ret = reservation_object_reserve_shared(bo->resv, + entry->num_shared); if (unlikely(ret != 0)) { if (ret == -EINTR) @@ -199,7 +201,7 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, list_for_each_entry(entry, list, head) { bo = entry->bo; - if (entry->shared) + if (entry->num_shared) reservation_object_add_shared_fence(bo->resv, fence); else reservation_object_add_excl_fence(bo->resv, fence); |