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From: Nicholas Miell <nmiell@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: michel@daenzer.net, Nicholas Miell <nmiell@gmail.com>
Subject: [PATCH] drm/radeon/kms: fix cursor image off-by-one error
Date: Thu, 29 Sep 2011 19:07:14 -0700	[thread overview]
Message-ID: <1317348434-30929-1-git-send-email-nmiell@gmail.com> (raw)

The mouse cursor hotspot calculation when the cursor is partially off the
top or left side of the screen was off by one.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=41158

Signed-off-by: Nicholas Miell <nmiell@gmail.com>
---
 drivers/gpu/drm/radeon/radeon_cursor.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 3189a7e..c495575 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -209,9 +209,9 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 	int w = radeon_crtc->cursor_width;
 
 	if (x < 0)
-		xorigin = -x + 1;
+		xorigin = -x;
 	if (y < 0)
-		yorigin = -y + 1;
+		yorigin = -y;
 	if (xorigin >= CURSOR_WIDTH)
 		xorigin = CURSOR_WIDTH - 1;
 	if (yorigin >= CURSOR_HEIGHT)
-- 
1.7.6.2

             reply	other threads:[~2011-09-30  2:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-30  2:07 Nicholas Miell [this message]
2011-09-30 13:53 ` [PATCH] drm/radeon/kms: fix cursor image off-by-one error Michel Dänzer

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