Hi,
On Fri, Dec 15, 2017 at 04:21:50PM +0100, Hans Verkuil wrote:
> When I connected my cubieboard running 4.15-rc1 to my 4k display I got no
> picture. Some
> digging found that there is no check against the upper pixelclock limit of
> the HDMI
> output, so X selects a 4kp60 format at 594 MHz,
On Fri, Dec 15, 2017 at 04:21:50PM +0100, Hans Verkuil wrote:
> When I connected my cubieboard running 4.15-rc1 to my 4k display I got no
> picture. Some
> digging found that there is no check against the upper pixelclock limit of
> the HDMI
> output, so X selects a 4kp60 format at 594 MHz, which
When I connected my cubieboard running 4.15-rc1 to my 4k display I got no
picture. Some
digging found that there is no check against the upper pixelclock limit of the
HDMI
output, so X selects a 4kp60 format at 594 MHz, which obviously won't work.
The patch below adds a check for the upper bound
