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atyfb: Don't stretch with CRT

PATCH In review Antonino A. Daplas 1 participant 1 message Dec 10, 2005 Framebuffer layer

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Antonino A. Daplas

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PATCH 12/18 atyfb: Don't stretch with CRT

From: Ville Syrjälä <[email protected]>

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 <[email protected]>
Signed-off-by Antonino Daplas <[email protected]>

---

 drivers/video/aty/atyfb_base.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
drivers/video/aty/atyfb_base.c +2 -2
index ae8f12d..af4a09d 100644
@@ -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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