[PATCH 14/20] drm/amd/display: Add basic downscale and upscale valdiation

From: Nicholas Kazlauskas [Why] Planes have downscaling limits and upscaling limits per format and DM is expected to validate these using DC caps. We should fail atomic check validation if we aren't capable of doing the scaling. [How] We don't currently create store which DC plane maps to which

[PATCH 14/20] drm/amd/display: Add basic downscale and upscale valdiation

From: Nicholas Kazlauskas [Why] Planes have downscaling limits and upscaling limits per format and DM is expected to validate these using DC caps. We should fail atomic check validation if we aren't capable of doing the scaling. [How] We don't currently create store which DC plane maps to which