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radv: limit LATE_ALLOC_GS to prevent a GPU hang on GFX10

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Found by inspection, doesn't fix anything known.

Cc: mesa-stable
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6279>
(cherry picked from commit e4c6204d65)
This commit is contained in:
Samuel Pitoiset 2020-08-11 11:26:16 +02:00 • committed by Dylan Baker
parent 2d2ba264e9
commit 6b6a38a8be
2 changed files with 5 additions and 1 deletions
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2
.pick_status.json
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@ -31,7 +31,7 @@
"description": "radv: limit LATE_ALLOC_GS to prevent a GPU hang on GFX10",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": null
},

4
src/amd/vulkan/si_cmd_buffer.c
View file

@ -336,6 +336,10 @@ si_emit_graphics(struct radv_device *device,
late_alloc_wave64_gs = 0;
cu_mask_gs = 0xffff;
}
/* Limit LATE_ALLOC_GS for prevent a hang (hw bug). */
if (physical_device->rad_info.chip_class == GFX10)
late_alloc_wave64_gs = MIN2(late_alloc_wave64_gs, 64);
} else {
if (!physical_device->rad_info.use_late_alloc) {
late_alloc_wave64 = 0;