Hi Thomas, On 11/14/25 02:42, Thomas Zimmermann wrote: > Hi > > Am 13.11.25 um 21:37 schrieb Sean Anderson: >> The graphics plane does not support XRGB8888, which is the default mode >> X uses for 24-bit color. Because of this, X must be set to use 16-bit >> color, which has a measurable performance penalty. Make the video plane >> the primary plane as it natively supports XRGB8888. An alternative >> approach to add XRGB8888 to the graphics plane is discussed in [1], as >> well as in patch 2. > > Did you try to set drm_device.mode_config.preferred_depth = 16, like at [1]? > IIRC user space looks at this value to auto-detect the color format.
I have not tried that. But I would rather use 24-bit color for the performance boost. --Sean
