diff options
| author | Shiwu Zhang <shiwu.zhang@amd.com> | 2021-04-22 10:37:49 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-04-23 14:20:38 +0200 |
| commit | 2a269ba888d3dcf950ef7ceb8421f7ff6aeaa9c0 (patch) | |
| tree | 07895dfc6f6667cb81b30b1c13b0ffd4f416a4f8 /drivers/gpu/drm/ttm | |
| parent | drm/ttm: Don't count pages in SG BOs against pages_limit (diff) | |
| download | linux-2a269ba888d3dcf950ef7ceb8421f7ff6aeaa9c0.tar.xz linux-2a269ba888d3dcf950ef7ceb8421f7ff6aeaa9c0.zip | |
drm/ttm: fix error handling if no BO can be swapped out v4
In case that all pre-allocated BOs are busy, just continue to populate
BOs since likely half of system memory in total is still free.
v4 (chk): fix code moved to VMWGFX as well
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210422115757.3946-1-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_device.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index 9b787b3caeb5..510e3e001dab 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -112,7 +112,7 @@ int ttm_global_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags) { struct ttm_global *glob = &ttm_glob; struct ttm_device *bdev; - int ret = -EBUSY; + int ret = 0; mutex_lock(&ttm_global_mutex); list_for_each_entry(bdev, &glob->device_list, device_list) { diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index eecc930e97ab..a1a25410ec74 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -329,6 +329,8 @@ int ttm_tt_populate(struct ttm_device *bdev, ttm_dma32_pages_limit) { ret = ttm_global_swapout(ctx, GFP_KERNEL); + if (ret == 0) + break; if (ret < 0) goto error; } |