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authorMarek Olšák <[email protected]>2011-08-07 18:42:29 +0200
committerMarek Olšák <[email protected]>2011-08-16 09:15:11 +0200
commit296b8990956fcbd7ce47902d7c108a5973db9397 (patch)
tree543d0e4ff6126be3fdc6df17bccfced1e1858a32
parentc79e9f0ed59d561849a0a4fbaafe87d5064d3e8c (diff)
winsys/radeon: remove broken bo-is-busy-for-write guessing
Reviewed-by: Alex Deucher <[email protected]>
-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_bo.c19
-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_bo.h7
-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_cs.c5
3 files changed, 0 insertions, 31 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 609a9065db8..1c8a2b8305e 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -99,8 +99,6 @@ static void radeon_bo_wait(struct pb_buffer *_buf)
args.handle = bo->handle;
while (drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_WAIT_IDLE,
&args, sizeof(args)) == -EBUSY);
-
- bo->busy_for_write = FALSE;
}
static boolean radeon_bo_is_busy(struct pb_buffer *_buf)
@@ -117,8 +115,6 @@ static boolean radeon_bo_is_busy(struct pb_buffer *_buf)
busy = drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_BUSY,
&args, sizeof(args)) != 0;
- if (!busy)
- bo->busy_for_write = FALSE;
return busy;
}
@@ -196,21 +192,6 @@ static void *radeon_bo_map_internal(struct pb_buffer *_buf,
/* XXX We could check whether the buffer is busy for write here. */
radeon_bo_wait((struct pb_buffer*)bo);
}
-#if 0
- /* XXX This per-winsys busy-for-write tracking sucks.
- * What if some other process wrote something, e.g. using
- * DRI2CopyRegion? We wouldn't get the busy_for_write flag
- * set, skipping bo_wait.
- * We need to move the is-busy-for-write query into the kernel.
- */
- } else if (bo->busy_for_write) {
- /* Update the busy_for_write field (done by radeon_bo_is_busy)
- * and wait if needed. */
- if (radeon_bo_is_busy((struct pb_buffer*)bo)) {
- radeon_bo_wait((struct pb_buffer*)bo);
- }
- }
-#endif
} else {
/* Mapping for write. */
if (radeon_bo_is_referenced_by_cs(cs, bo)) {
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.h b/src/gallium/winsys/radeon/drm/radeon_drm_bo.h
index f4ea73a2210..047ea6b1cf2 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.h
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.h
@@ -60,13 +60,6 @@ struct radeon_bo {
* thread, is this bo referenced in? */
int num_active_ioctls;
- /* Whether the buffer has been relocated for write and is busy since then.
- * This field is updated in:
- * - radeon_drm_cs_flush (to TRUE if it's relocated for write)
- * - radeon_bo_is_busy (to FALSE if it's not busy)
- * - radeon_bo_wait (to FALSE) */
- boolean busy_for_write;
-
boolean flinked;
uint32_t flink;
};
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index 1ec324e5b74..c309354785a 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -411,11 +411,6 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
for (i = 0; i < crelocs; i++) {
/* Update the number of active asynchronous CS ioctls for the buffer. */
p_atomic_inc(&cs->csc->relocs_bo[i]->num_active_ioctls);
-
- /* Update whether the buffer is busy for write. */
- if (cs->csc->relocs[i].write_domain) {
- cs->csc->relocs_bo[i]->busy_for_write = TRUE;
- }
}
if (cs->ws->num_cpus > 1 && debug_get_option_thread() &&