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* [PATCH] drm/xe: Allocate PF queue size on pow2 boundary
@ 2025-07-02 21:35 Matthew Brost
  2025-07-02 21:39 ` ✓ CI.KUnit: success for " Patchwork
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Matthew Brost @ 2025-07-02 21:35 UTC (permalink / raw)
  To: intel-xe; +Cc: francois.dugast

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>
---
 drivers/gpu/drm/xe/xe_gt_pagefault.c | 1 +
 1 file changed, 1 insertion(+)

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;
-- 
2.34.1


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end of thread, other threads:[~2025-07-04 13:03 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2025-07-02 21:35 [PATCH] drm/xe: Allocate PF queue size on pow2 boundary Matthew Brost
2025-07-02 21:39 ` ✓ CI.KUnit: success for " Patchwork
2025-07-02 22:47 ` ✓ Xe.CI.BAT: " Patchwork
2025-07-03  7:22 ` [PATCH] " Francois Dugast
2025-07-04 13:03 ` ✗ Xe.CI.Full: failure for " Patchwork

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