Have you tested this? I have a similar patch, but the cursor position was off when I tried it.
- [PATCH] drm/amd/display: Use orientated source size w... Vlad Zahorodnii
- Re: [PATCH] drm/amd/display: Use orientated sour... Simon Ser
- Re: [PATCH] drm/amd/display: Use orientated ... Vlad Zahorodnii
- [PATCH v2] drm/amd/display: Use oriented source ... Vlad Zahorodnii
- Re: [PATCH v2] drm/amd/display: Use oriented... Kazlauskas, Nicholas
- Re: [PATCH v2] drm/amd/display: Use orie... Alex Deucher
- Re: [PATCH v2] drm/amd/display: Use orie... Vlad Zahorodnii