There's definitely some level of gamma/color correction funtionality at the DRM level already in the kernel [1]. So my desires may already be largely fulfilled

There's definitely some level of gamma/color correction funtionality at the DRM level already in the kernel [1]. So my desires may already be largely fulfilled, and maybe userspace just needs to get its act together. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/i915/intel_color.c https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...