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nouveau: map_range returning -EBUSY isn't necessarily an error

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This commit is contained in:
Ben Skeggs 2009-07-29 10:58:05 +10:00
parent 84166a021f
commit 625bc0cfa2
1 changed files with 6 additions and 3 deletions
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9
src/gallium/drivers/nouveau/nouveau_screen.c
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@ -4,6 +4,8 @@
#include <util/u_memory.h>
#include <errno.h>
#include "nouveau/nouveau_bo.h"
#include "nouveau_winsys.h"
#include "nouveau_screen.h"
@ -141,12 +143,13 @@ nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct pipe_buffer *pb,
unsigned offset, unsigned length, unsigned usage)
{
struct nouveau_bo *bo = nouveau_bo(pb);
uint32_t flags = nouveau_screen_map_flags(usage);
int ret;
ret = nouveau_bo_map_range(bo, offset, length,
nouveau_screen_map_flags(usage));
ret = nouveau_bo_map_range(bo, offset, length, flags);
if (ret) {
debug_printf("map_range failed: %d\n", ret);
if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
debug_printf("map_range failed: %d\n", ret);
return NULL;
}