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authorVille Syrjälä <syrjala@sci.fi>2006-01-09 20:53:26 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 08:01:48 -0800
commite98cef1e9e0ef0c5c02f6f3daa4da7956ad1c9ea (patch)
tree8aa0f1d9ae9e6750fa7899af1bd902591e6e70b1
parenta87d7fddbd7f46475842431d153d35bd03cf4f63 (diff)
[PATCH] atyfb: Don't stretch with CRT
The overlay on 3D Rage LT Pro doesn't work correctly if stretching is enabled when using only a CRT. Signed-off-by: Ville Syrjälä <syrjala@sci.fi> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/video/aty/atyfb_base.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 845da14f56d..ea3eebcb023 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -982,7 +982,7 @@ static int aty_var_to_crtc(const struct fb_info *info,
crtc->horz_stretching &=
~(HORZ_STRETCH_RATIO | HORZ_STRETCH_LOOP | AUTO_HORZ_RATIO |
HORZ_STRETCH_MODE | HORZ_STRETCH_EN);
- if (xres < par->lcd_width) {
+ if (xres < par->lcd_width && crtc->lcd_gen_cntl & LCD_ON) {
do {
/*
* The horizontal blender misbehaves when HDisplay is less than a
@@ -1044,7 +1044,7 @@ static int aty_var_to_crtc(const struct fb_info *info,
} while (0);
}
- if (vdisplay < par->lcd_height) {
+ if (vdisplay < par->lcd_height && crtc->lcd_gen_cntl & LCD_ON) {
crtc->vert_stretching = (VERT_STRETCH_USE0 | VERT_STRETCH_EN |
(((vdisplay * (VERT_STRETCH_RATIO0 + 1)) / par->lcd_height) & VERT_STRETCH_RATIO0));