Re: scroll modes
From: "Antonino A. Daplas" <adaplas@gmail.com>
Date: 2005-11-30 20:41:03
Subsystem:
console subsystem, framebuffer layer, the rest · Maintainers:
Greg Kroah-Hartman, Helge Deller, Linus Torvalds
Knut Petersen wrote:
Geert Uytterhoeven wrote:quoted
Ywrap has been working fine with amifb since ages (unless someone broke it very recently).We are talking about scrollmode = SCROLL_WRAP_MOVE ?
Try this patch. Tony
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 1a8f0ea..5ebe68f 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c@@ -1972,12 +1972,6 @@ static __inline__ void updatescrollmode( int fast_imageblit = (cap & FBINFO_HWACCEL_IMAGEBLIT) && !(cap & FBINFO_HWACCEL_DISABLED); - p->vrows = vyres/fh; - if (yres > (fh * (vc->vc_rows + 1))) - p->vrows -= (yres - (fh * vc->vc_rows)) / fh; - if ((yres % fh) && (vyres % fh < yres % fh)) - p->vrows--; - if (good_wrap || good_pan) { if (reading_fast || fast_copyarea) p->scrollmode = good_wrap ?
@@ -1991,6 +1985,16 @@ static __inline__ void updatescrollmode( else p->scrollmode = SCROLL_REDRAW; } + + p->vrows = vyres/fh; + + if (p->scrollmode != SCROLL_WRAP_MOVE && + (yres > (fh * (vc->vc_rows + 1)))) + p->vrows -= (yres - (fh * vc->vc_rows)) / fh; + + if ((yres % fh) && (vyres % fh < yres % fh)) + p->vrows--; + } static int fbcon_resize(struct vc_data *vc, unsigned int width, -------------------------------------------------------
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