Skip to contentSkip to conversation

atyfb: fix pan with doublescan

PATCH New Ville Syrjälä 1 participant 1 message Feb 10, 2004 Framebuffer layer

lore
Share & tools
lore

Ville Syrjälä

author
#0 lore raw

PATCH 1/1 atyfb: fix pan with doublescan

This patch fixes panning with doublescan in atyfb.

Signature · 3 lines
Ville Syrjälä
[email protected]
http://www.sci.fi/~syrjala/
drivers/video/aty/atyfb_base.c renamed from drivers/video/aty/atyfb_base.c.orig +2 -0
@@ -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)