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drm/xe: switch xe_pagefault_queue_init() to using bitmap_weighted_or() 

The function calls bitmap_or() immediately followed by bitmap_weight().
Switch to using the dedicated bitmap_weighted_or() and save one bitmap
traverse.

Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Yury Norov <ynorov@nvidia.com>
master
Yury Norov 2026-03-01 20:11:58 -05:00
parent 82e68aa4a6
commit ac679a6e0f
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/xe/xe_pagefault.c
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@ -285,10 +285,9 @@ static int xe_pagefault_queue_init(struct xe_device *xe,
xe_dss_mask_t all_dss;
int num_dss, num_eus;
bitmap_or(all_dss, gt->fuse_topo.g_dss_mask,
num_dss = bitmap_weighted_or(all_dss, gt->fuse_topo.g_dss_mask,
gt->fuse_topo.c_dss_mask, XE_MAX_DSS_FUSE_BITS);
num_dss = bitmap_weight(all_dss, XE_MAX_DSS_FUSE_BITS);
num_eus = bitmap_weight(gt->fuse_topo.eu_mask_per_dss,
XE_MAX_EU_FUSE_BITS) * num_dss;