Hi Am 26.07.23 um 12:11 schrieb Roger Sewell:
Jocelyn,How can I check for sure whether I am using 24 or 32 bits per pixel ?The easiest solution if you already rebuilt your kernel is to print the variable bpp here: https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/mgag200/mgag200_mode.c#L326 pr_info("mgag200 bpp %d\n", bpp);Did that, and I get "mgag200 bpp 32".Also if you can run Wayland at 1440x900@60, that would mean the hardware is indeed able to handle it in 32bit.I can indeed run Wayland at 1440x900@60. So I think I'm right in saying that my graphics chip can handle 1440x900@60 with 32 bits per pixel.
Of course. You modified that limit, so the pixel rate remains below. Best regards Thomas
However, while searching /var/log/messages for the bpp output above, I also found these two lines: /usr/libexec/gdm-x-session[2366]: (==) modeset(0): Depth 24, (==) framebuffer bpp 32 /usr/libexec/gdm-x-session[2366]: (==) modeset(0): RGB weight 888 in case it makes a difference. Thanks, Roger.
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)
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