* [PATCH] atyfb: fix pan with doublescan
@ 2004-02-10 18:28 Ville Syrjälä
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From: Ville Syrjälä @ 2004-02-10 18:28 UTC (permalink / raw)
To: linux-fbdev-devel
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This patch fixes panning with doublescan in atyfb.
--
Ville Syrjälä
syrjala@sci.fi
http://www.sci.fi/~syrjala/
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--- linux-2.4.24/drivers/video/aty/atyfb_base.c.orig 2003-11-28 20:26:20.000000000 +0200
+++ linux-2.4.24/drivers/video/aty/atyfb_base.c 2004-02-10 20:15:15.000000000 +0200
@@ -1475,6 +1475,8 @@
xres = (((par->crtc.h_tot_disp>>16) & 0xff)+1)*8;
yres = ((par->crtc.v_tot_disp>>16) & 0x7ff)+1;
+ if (par->crtc.gen_cntl & CRTC_DBL_SCAN_EN)
+ yres >>= 1;
xoffset = (var->xoffset+7) & ~7;
yoffset = var->yoffset;
if (xoffset+xres > par->crtc.vxres || yoffset+yres > par->crtc.vyres)
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2004-02-10 18:28 [PATCH] atyfb: fix pan with doublescan Ville Syrjälä
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