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Commit e0e12a92 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
Browse files

viafb: set correct polarity for second adapter 



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: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent d65b4e98

drivers/video/via/hw.c

+7 −7
Original line number Diff line number Diff line
@@ -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);