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viafb: set correct polarity for second adapter

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This patch sets the correct polarity for the second adapter when
viafb_SAMM_ON is set and viafb_dual_fb is not set. Just one step to
make this mode useful.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat 2011-10-19 12:36:44 +00:00
parent d65b4e98d7
commit e0e12a9282
1 changed files with 7 additions and 7 deletions
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14
drivers/video/via/hw.c
View file

@ -1758,13 +1758,13 @@ static void set_display_channel(void)
}
}
static u8 get_sync(struct fb_info *info)
static u8 get_sync(struct fb_var_screeninfo *var)
{
u8 polarity = 0;
if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT))
if (!(var->sync & FB_SYNC_HOR_HIGH_ACT))
polarity |= VIA_HSYNC_NEGATIVE;
if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT))
if (!(var->sync & FB_SYNC_VERT_HIGH_ACT))
polarity |= VIA_VSYNC_NEGATIVE;
return polarity;
}
@ -1976,13 +1976,13 @@ int viafb_setmode(int video_bpp, int video_bpp1)
viafb_DeviceStatus = CRT_Device;
}
device_on();
if (!viafb_dual_fb)
via_set_sync_polarity(devices, get_sync(viafbinfo));
if (!viafb_SAMM_ON)
via_set_sync_polarity(devices, get_sync(&viafbinfo->var));
else {
via_set_sync_polarity(viaparinfo->shared->iga1_devices,
get_sync(viafbinfo));
get_sync(&viafbinfo->var));
via_set_sync_polarity(viaparinfo->shared->iga2_devices,
get_sync(viafbinfo1));
get_sync(&var2));
}
clock.set_engine_pll_state(VIA_STATE_ON);