From: "Ville Syrjälä" <syrjala@sci.fi>
To: linux-fbdev-devel@lists.sourceforge.net
Subject: [PATCH] atyfb: fix pan with doublescan
Date: Tue, 10 Feb 2004 20:28:22 +0200 [thread overview]
Message-ID: <20040210182822.GA13022@sci.fi> (raw)
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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)
reply other threads:[~2004-02-10 18:28 UTC|newest]
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