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authorThomas Hellström <thomas.hellstrom@linux.intel.com>2023-06-26 20:17:38 +0200
committerRodrigo Vivi <rodrigo.vivi@intel.com>2023-12-21 11:35:04 -0500
commitbc2e0215deeaa88dec44ff07e3a2b19283d53cdb (patch)
tree6c6bd1998e086ddaa4909a6d34bbee8e39df808c /drivers/gpu/drm
parent7b076d14f21a48de572e5191614b3e6b2d6ab823 (diff)
drm/xe/bo: Fix swapin when moving to VRAM
When a source system resource had been swapped out, we incorrectly assumed that we were lacking source data for a move and therefore cleared the destination instead of swapping in and copying the swapped-out data. Fix this. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230626181741.32820-2-thomas.hellstrom@linux.intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/xe/xe_bo.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index f54fb7bd184a..bdeef3bf40fc 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -568,6 +568,7 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
struct xe_tile *tile = NULL;
struct dma_fence *fence;
bool move_lacks_source;
+ bool tt_has_data;
bool needs_clear;
int ret = 0;
@@ -590,8 +591,10 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
goto out;
}
- move_lacks_source = !resource_is_vram(old_mem) &&
- (!ttm || !ttm_tt_is_populated(ttm));
+ tt_has_data = ttm && (ttm_tt_is_populated(ttm) ||
+ (ttm->page_flags & TTM_TT_FLAG_SWAPPED));
+
+ move_lacks_source = !resource_is_vram(old_mem) && !tt_has_data;
needs_clear = (ttm && ttm->page_flags & TTM_TT_FLAG_ZERO_ALLOC) ||
(!ttm && ttm_bo->type == ttm_bo_type_device);