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authorRob Clark <[email protected]>2015-05-13 14:36:03 -0400
committerRob Clark <[email protected]>2015-05-14 14:46:14 -0400
commit4925c35660b777ae6b33a1f87a2f74f3436c7c41 (patch)
treeacb9e28afea536ff4cb7568da6ba108806d9a684 /src/gallium/drivers/freedreno/freedreno_gmem.c
parentfcc7d6323bbea489219225f467d59192d538e95f (diff)
freedreno: fix bug in tile/slot calculation
This was causing corruption with hw binning on a306. Unlikely that it is a306 specific, but rather the smaller gmem size resulted in different tile configuration which was triggering the bug at certain resolutions. Signed-off-by: Rob Clark <[email protected]> Cc: "10.4" and "10.5" and "10.6" <[email protected]>
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_gmem.c')
-rw-r--r--src/gallium/drivers/freedreno/freedreno_gmem.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_gmem.c b/src/gallium/drivers/freedreno/freedreno_gmem.c
index 11a1b62b26b..c105378ec4e 100644
--- a/src/gallium/drivers/freedreno/freedreno_gmem.c
+++ b/src/gallium/drivers/freedreno/freedreno_gmem.c
@@ -117,6 +117,7 @@ calculate_tiles(struct fd_context *ctx)
uint32_t i, j, t, xoff, yoff;
uint32_t tpp_x, tpp_y;
bool has_zs = !!(ctx->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL));
+ int tile_n[ARRAY_SIZE(ctx->pipe)];
if (has_zs) {
struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
@@ -247,6 +248,7 @@ calculate_tiles(struct fd_context *ctx)
/* configure tiles: */
t = 0;
yoff = miny;
+ memset(tile_n, 0, sizeof(tile_n));
for (i = 0; i < nbins_y; i++) {
uint32_t bw, bh;
@@ -257,20 +259,17 @@ calculate_tiles(struct fd_context *ctx)
for (j = 0; j < nbins_x; j++) {
struct fd_tile *tile = &ctx->tile[t];
- uint32_t n, p;
+ uint32_t p;
assert(t < ARRAY_SIZE(ctx->tile));
/* pipe number: */
p = ((i / tpp_y) * div_round_up(nbins_x, tpp_x)) + (j / tpp_x);
- /* slot number: */
- n = ((i % tpp_y) * tpp_x) + (j % tpp_x);
-
/* clip bin width: */
bw = MIN2(bin_w, minx + width - xoff);
- tile->n = n;
+ tile->n = tile_n[p]++;
tile->p = p;
tile->bin_w = bw;
tile->bin_h = bh;