From: Peter Ujfalusi peter.ujfalusi@ti.com

Set memory bandwidth limit to filter out resolutions above 720p@60Hz to avoid underflow errors due to the bandwidth needs of higher resolutions.

am43xx can not provide enough bandwidth to DISPC to correctly handle 'high' resolutions.

Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com --- arch/arm/boot/dts/am4372.dtsi | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 848e2a8884e2..14bbc438055f 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -337,6 +337,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; };

rfbi: rfbi@4832a800 {