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freedreno/gmem: Fix col0 calc

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Fix typo in calculation of position of start of a row of tiles.  This
could otherwise cause an out-of-bounds access in the next patch.

Fixes: 81d85be9a5 freedreno/gmem: Reverse order of alternative tile rows
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17888>
(cherry picked from commit 2497741a1b)
This commit is contained in:
Rob Clark 2022-08-05 08:40:38 -07:00 • committed by Dylan Baker
parent 9b943044ac
commit de6ee5b782
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -1012,7 +1012,7 @@
"description": "freedreno/gmem: Fix col0 calc",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "81d85be9a5cfb5860ba5d15f2bf6f1a4946e411e"
},

2
src/gallium/drivers/freedreno/freedreno_gmem.c
View file

@ -433,7 +433,7 @@ gmem_stateobj_init(struct fd_screen *screen, struct gmem_key *key)
*/
if (!FD_DBG(NOSBIN)) {
for (i = 0; i < gmem->nbins_y; i+=2) {
unsigned col0 = gmem->nbins_y * i;
unsigned col0 = gmem->nbins_x * i;
for (j = 0; j < gmem->nbins_x/2; j++) {
swap(gmem->tile[col0 + j], gmem->tile[col0 + gmem->nbins_x - j - 1]);
}