[PATCH 05/10] atyfb: Don't stretch with CRT
From: syrjala@sci.fi
Date: 2005-12-09 00:44:36
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> --- atyfb_base.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -urpN linux-4/drivers/video/aty/atyfb_base.c linux-5/drivers/video/aty/atyfb_base.c
--- linux-4/drivers/video/aty/atyfb_base.c 2005-12-09 02:52:56.000000000 +0200
+++ linux-5/drivers/video/aty/atyfb_base.c 2005-12-09 02:53:55.000000000 +0200@@ -982,7 +982,7 @@ static int aty_var_to_crtc(const struct 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 } 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)); -------------------------------------------------------
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