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ac: fix num_good_cu_per_sh for harvested chips

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Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit b7c2f7c5a6)
This commit is contained in:
Marek Olšák 2019-09-19 22:16:51 -04:00 • committed by Dylan Baker
parent 0a2285b1d4
commit f5cccfe0e6
1 changed files with 6 additions and 0 deletions
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6
src/amd/common/ac_gpu_info.c
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@ -458,6 +458,12 @@ bool ac_query_gpu_info(int fd, void *dev_p,
info->num_good_cu_per_sh = info->num_good_compute_units /
(info->max_se * info->max_sh_per_se);
/* Round down to the nearest multiple of 2, because the hw can't
* disable CUs. It can only disable whole WGPs (dual-CUs).
*/
if (info->chip_class >= GFX10)
info->num_good_cu_per_sh -= info->num_good_cu_per_sh % 2;
memcpy(info->si_tile_mode_array, amdinfo->gb_tile_mode,
sizeof(amdinfo->gb_tile_mode));
info->enabled_rb_mask = amdinfo->enabled_rb_pipes_mask;