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Exercise the whole aperture with tiled blits

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After full-gtt, gem_tiled_blits doesn't allocate enough to force
eviction. So query the total aperture and accommodate.

Also introduce a similar test that utilizes fences rather than
use the BLT to perform the tiling and detiling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2011-02-01 10:53:57 +00:00
parent 5fc09c82d4
commit 371f87f2d8
6 changed files with 249 additions and 58 deletions
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lib/intel_batchbuffer.c
+12 -19
View File
@@ -46,15 +46,10 @@ intel_batchbuffer_reset(struct intel_batchbuffer *batch)
batch->bo = NULL;
}
if (!batch->buffer)
batch->buffer = malloc(BATCH_SZ);
batch->bo = drm_intel_bo_alloc(batch->bufmgr, "batchbuffer",
BATCH_SZ, 4096);
batch->map = batch->buffer;
batch->size = BATCH_SZ;
batch->ptr = batch->map;
batch->ptr = batch->buffer;
}
struct intel_batchbuffer *
@@ -72,8 +67,6 @@ intel_batchbuffer_alloc(drm_intel_bufmgr *bufmgr, uint32_t devid)
void
intel_batchbuffer_free(struct intel_batchbuffer *batch)
{
free (batch->buffer);
drm_intel_bo_unreference(batch->bo);
batch->bo = NULL;
free(batch);
@@ -82,7 +75,7 @@ intel_batchbuffer_free(struct intel_batchbuffer *batch)
void
intel_batchbuffer_flush(struct intel_batchbuffer *batch)
{
unsigned int used = batch->ptr - batch->map;
unsigned int used = batch->ptr - batch->buffer;
int ring;
int ret;
@@ -93,17 +86,16 @@ intel_batchbuffer_flush(struct intel_batchbuffer *batch)
if ((used & 4) == 0) {
*(uint32_t *) (batch->ptr) = 0; /* noop */
batch->ptr += 4;
used = batch->ptr - batch->map;
}
/* Mark the end of the buffer. */
*(uint32_t *) (batch->ptr) = MI_BATCH_BUFFER_END; /* noop */
*(uint32_t *)(batch->ptr) = MI_BATCH_BUFFER_END; /* noop */
batch->ptr += 4;
used = batch->ptr - batch->map;
used = batch->ptr - batch->buffer;
drm_intel_bo_subdata(batch->bo, 0, used, batch->buffer);
ret = drm_intel_bo_subdata(batch->bo, 0, used, batch->buffer);
assert(ret == 0);
batch->map = NULL;
batch->ptr = NULL;
ring = 0;
@@ -125,12 +117,13 @@ intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
{
int ret;
if (batch->ptr - batch->map > batch->bo->size)
printf("bad relocation ptr %p map %p offset %d size %ld\n",
batch->ptr, batch->map, batch->ptr - batch->map,
batch->bo->size);
if (batch->ptr - batch->buffer > BATCH_SZ)
printf("bad relocation ptr %p map %p offset %d size %d\n",
batch->ptr, batch->buffer,
(int)(batch->ptr - batch->buffer),
BATCH_SZ);
ret = drm_intel_bo_emit_reloc(batch->bo, batch->ptr - batch->map,
ret = drm_intel_bo_emit_reloc(batch->bo, batch->ptr - batch->buffer,
buffer, delta,
read_domains, write_domain);
intel_batchbuffer_emit_dword(batch, buffer->offset + delta);