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radeonsi: disable SDMA on gfx9

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Fixes: 9680a75489 "radeonsi/gfx9: enable SDMA buffer copying & clearing"
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4895>
(cherry picked from commit 07a49bf597)
This commit is contained in:
Marek Olšák 2020-05-04 18:25:28 -04:00 • committed by Eric Engestrom
parent 65a6b36802
commit d03bf3ece5
2 changed files with 9 additions and 1 deletions
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2
.pick_status.json
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@ -22,7 +22,7 @@
"description": "radeonsi: disable SDMA on gfx9",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "9680a7548951296e9657561cb421d8efea66c5db"
},

8
src/gallium/drivers/radeonsi/si_pipe.c
View file

@ -475,6 +475,14 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen, unsign
* https://gitlab.freedesktop.org/mesa/mesa/-/issues/1889
*/
(sctx->chip_class != GFX8 || sscreen->debug_flags & DBG(FORCE_SDMA)) &&
/* SDMA causes corruption on gfx9 APUs:
* https://gitlab.freedesktop.org/mesa/mesa/-/issues/2814
*
* While we could keep buffer copies and clears enabled, let's disable
* everything, because neither gfx8 nor gfx10 enable SDMA, and it's not
* easy to test.
*/
(sctx->chip_class != GFX9 || sscreen->debug_flags & DBG(FORCE_SDMA)) &&
/* SDMA timeouts sometimes on gfx10 so disable it for now. See:
* https://bugs.freedesktop.org/show_bug.cgi?id=111481
* https://gitlab.freedesktop.org/mesa/mesa/-/issues/1907