[PATCH 1/3] UBUNTU: [Upstream] drm/nv04-nv40: Fix up the programmed horizontal sync pulse delay.

Chris Halse Rogers raof at ubuntu.com
Thu Mar 25 22:25:55 UTC 2010


From: Christopher James Halse Rogers <raof at ubuntu.com>

The calculated values were a little bit off (~16 clocks), the only
effect it could have had is a slightly offset image with respect to
the blob on analog outputs (bug 26790).

BugLink: http://bugs.launchpad.net/bugs/529130

Signed-off-by: Francisco Jerez <currojerez at riseup.net>
Signed-off-by: Christopher James Halse Rogers <raof at ubuntu.com>
---
 drivers/gpu/drm/nouveau/nv04_crtc.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index d2f143e..9986aba 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -230,9 +230,9 @@ nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode)
 	struct drm_framebuffer *fb = crtc->fb;
 
 	/* Calculate our timings */
-	int horizDisplay	= (mode->crtc_hdisplay >> 3) 	- 1;
-	int horizStart		= (mode->crtc_hsync_start >> 3) 	- 1;
-	int horizEnd		= (mode->crtc_hsync_end >> 3) 	- 1;
+	int horizDisplay	= (mode->crtc_hdisplay >> 3)		- 1;
+	int horizStart		= (mode->crtc_hsync_start >> 3) 	+ 1;
+	int horizEnd		= (mode->crtc_hsync_end >> 3)		+ 1;
 	int horizTotal		= (mode->crtc_htotal >> 3)		- 5;
 	int horizBlankStart	= (mode->crtc_hdisplay >> 3)		- 1;
 	int horizBlankEnd	= (mode->crtc_htotal >> 3)		- 1;
-- 
1.7.0





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