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| author | Matthew Brost <matthew.brost@intel.com> | 2025-07-02 14:35:11 -0700 |
|---|---|---|
| committer | Matthew Brost <matthew.brost@intel.com> | 2025-07-03 10:19:35 -0700 |
| commit | 491b9783126303755717c0cbde0b08ee59b6abab (patch) | |
| tree | 546a16621f86cff5b7a232f6565f8fff8d57c9e0 /drivers/gpu/drm | |
| parent | drm/xe/pf: Clear all LMTT pages on alloc (diff) | |
| download | linux-491b9783126303755717c0cbde0b08ee59b6abab.tar.gz linux-491b9783126303755717c0cbde0b08ee59b6abab.zip | |
drm/xe: Allocate PF queue size on pow2 boundary
CIRC_SPACE does not work unless the size argument is a power of 2,
allocate PF queue size on power of 2 boundary.
Cc: stable@vger.kernel.org
Fixes: 3338e4f90c14 ("drm/xe: Use topology to determine page fault queue size")
Fixes: 29582e0ea75c ("drm/xe: Add page queue multiplier")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://lore.kernel.org/r/20250702213511.3226167-1-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_pagefault.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index 3522865c67c9..5a75d56d8558 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -419,6 +419,7 @@ static int xe_alloc_pf_queue(struct xe_gt *gt, struct pf_queue *pf_queue) #define PF_MULTIPLIER 8 pf_queue->num_dw = (num_eus + XE_NUM_HW_ENGINES) * PF_MSG_LEN_DW * PF_MULTIPLIER; + pf_queue->num_dw = roundup_pow_of_two(pf_queue->num_dw); #undef PF_MULTIPLIER pf_queue->gt = gt; |