Even if the documentation calls this bit "Reserved" it has to be set to 0 for correct modesetting on IGA1. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@xxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- drivers/video/via/hw.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index e6e7a8f..376af05 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -1804,6 +1804,9 @@ 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)); -- 1.7.9 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
