diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2025-07-02 14:35:11 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-07-07 20:57:17 -0700 |
| commit | c9a95dbe06102cf01afee4cd83ecb29f8d587a72 (patch) | |
| tree | 732fd509f780f8bfac2a6c5cab99356cade3965c | |
| parent | 705a412a367f383430fa34bada387af2e52eb043 (diff) | |
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
(cherry picked from commit 491b9783126303755717c0cbde0b08ee59b6abab)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
| -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 10622ca471a2..6717a636b1d9 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -444,6 +444,7 @@ 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; |