drm: should break if already get the best size

Commit Message

Liu, Monk Nov. 23, 2018, 8:01 a.m. UTC

-----Original Message-----
From: amd-gfx <[e-mail]> On Behalf Of Monk Liu
Sent: Thursday, November 22, 2018 8:33 PM
To: [e-mail]
Cc: Liu, Monk <[e-mail]>
Subject: [PATCH] drm: should break if already get the best size

Signed-off-by: Monk Liu <[e-mail]>
---
 drivers/gpu/drm/drm_mm.c | 2 ++
 1 file changed, 2 insertions(+)

--
2.7.4

Patch

diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 3cc5fbd..369fd9b 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -318,6 +318,8 @@  static struct drm_mm_node *best_hole(struct drm_mm *mm, u64 size)
 		if (size <= node->hole_size) {
 			best = node;
 			rb = rb->rb_right;
+			if (size == node->hole_size)
+				break;
 		} else {
 			rb = rb->rb_left;
 		}