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| author | Yury Norov <ynorov@nvidia.com> | 2026-03-01 20:11:58 -0500 |
|---|---|---|
| committer | Yury Norov <ynorov@nvidia.com> | 2026-04-09 13:28:05 -0400 |
| commit | ac679a6e0fccab0e30ea04c97a3a0713b8b722ae (patch) | |
| tree | 920c8801154a23c350e2518e6d6245acdf72508a /drivers/gpu | |
| parent | 82e68aa4a6b16aa060d5044116dac957631cf6f0 (diff) | |
| download | lwn-ac679a6e0fccab0e30ea04c97a3a0713b8b722ae.tar.gz lwn-ac679a6e0fccab0e30ea04c97a3a0713b8b722ae.zip | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pagefault.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_pagefault.c b/drivers/gpu/drm/xe/xe_pagefault.c index 6bee53d6ffc3..c4ce3cfe2164 100644 --- a/drivers/gpu/drm/xe/xe_pagefault.c +++ b/drivers/gpu/drm/xe/xe_pagefault.c @@ -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; |