Commit e2920638 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
Browse files

viafb: fix IGA1 modesetting on VX900 



Even if the documentation calls this bit "Reserved" it has to be set
to 0 for correct modesetting on IGA1.

Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
parent 050f0e02

drivers/video/via/hw.c

+3 −0
Original line number Diff line number Diff line
@@ -1810,6 +1810,9 @@ static void hw_init(void) 
		break;

	}



	/* magic required on VX900 for correct modesetting on IGA1 */

	via_write_reg_mask(VIACR, 0x45, 0x00, 0x01);



	/* probably this should go to the scaling code one day */

	via_write_reg_mask(VIACR, 0xFD, 0, 0x80); /* VX900 hw scale on IGA2 */

	viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters));