<html><body><p> <pre> > > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > @@ -102,12 +102,9 @@ static inline bool is_10bit_rgb(u32 fmt) > > } > > > > static const u32 mt8173_formats[] = { > > - DRM_FORMAT_XRGB8888, > > DRM_FORMAT_ARGB8888, > > - DRM_FORMAT_BGRX8888, > > DRM_FORMAT_BGRA8888, > > DRM_FORMAT_ABGR8888, > > - DRM_FORMAT_XBGR8888, > > DRM_FORMAT_RGB888, > > DRM_FORMAT_BGR888, > > DRM_FORMAT_RGB565, > > This is what I get on MT6735: > > [ 1.729467] mediatek-drm mediatek-drm.1.auto: [drm] bpp/depth > value > of 32/24 not supported > [ 1.737777] mediatek-drm mediatek-drm.1.auto: [drm] No compatible > format found > [ 1.745943] mediatek-drm mediatek-drm.1.auto: [drm] *ERROR* > fbdev-dma: Failed to setup generic emulation (ret=-22) > Hi Adam, Yassine, Please try the patches below and check if they can fix the downgrade issue: [1] Fix degradation problem of alpha blending series - https://patchwork.kernel.org/project/linux-mediatek/list/?series=893634 [2] drm/mediatek: Fix XRGB format breakage for blend_modes unsupported SoCs - https://patchwork.kernel.org/project/linux-mediatek/patch/20241005095234.12925-1-jason-jh.lin@mediatek.com/ Regards, Jason-JH.Lin > > > > Regards, > > Jason-JH.Lin > > > >> > >> - Adam Thiede > </pre> </p></body></html><pre>************* MEDIATEK Confidentiality Notice ******************** The information contained in this e-mail message (including any attachments) may be confidential, proprietary, privileged, or otherwise exempt from disclosure under applicable laws. It is intended to be conveyed only to the designated recipient(s). Any use, dissemination, distribution, printing, retaining or copying of this e-mail (including its attachments) by unintended recipient(s) is strictly prohibited and may be unlawful. If you are not an intended recipient of this e-mail, or believe that you have received this e-mail in error, please notify the sender immediately (by replying to this e-mail), delete any and all copies of this e-mail (including any attachments) from your system, and do not disclose the content of this e-mail to any other person. Thank you! </pre>