diff mbox series

media: verisilicon: Use __set_bit() with local bitmaps

Message ID d2d01891c97fcd727ef508dffca10fc55d8ff145.1748160684.git.christophe.jaillet@wanadoo.fr
State New
Headers show
Series media: verisilicon: Use __set_bit() with local bitmaps | expand

Commit Message

Christophe JAILLET May 25, 2025, 8:11 a.m. UTC
The 'used' and 'new' bitmaps are local to this function, so there is no
need to use atomic access because concurrency can not happen.

Use the non-atomic __set_bit() to save a few cycles.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/media/platform/verisilicon/hantro_h264.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/verisilicon/hantro_h264.c b/drivers/media/platform/verisilicon/hantro_h264.c
index 4e9a0ecf5c13..2414782f1eb6 100644
--- a/drivers/media/platform/verisilicon/hantro_h264.c
+++ b/drivers/media/platform/verisilicon/hantro_h264.c
@@ -325,12 +325,12 @@  static void update_dpb(struct hantro_ctx *ctx)
 				continue;
 
 			*cdpb = *ndpb;
-			set_bit(j, used);
+			__set_bit(j, used);
 			break;
 		}
 
 		if (j == ARRAY_SIZE(ctx->h264_dec.dpb))
-			set_bit(i, new);
+			__set_bit(i, new);
 	}
 
 	/* For entries that could not be matched, use remaining free slots. */
@@ -349,7 +349,7 @@  static void update_dpb(struct hantro_ctx *ctx)
 
 		cdpb = &ctx->h264_dec.dpb[j];
 		*cdpb = *ndpb;
-		set_bit(j, used);
+		__set_bit(j, used);
 	}
 }