<html><body><p> <pre> On Fri, 2025-03-21 at 17:33 +0800, paul-pl.chen wrote: > From: Nancy Lin <nancy.lin@mediatek.com> > > To support multiple mmsys instances in the one mediatek-drm instance, > providing improved flexibility and scalability by the following changes: > > 1. Add DDP_COMPONENT_DRM_OVLSYS_ADAPTOR* to probe the > ovlsys_adaptor drivers and support different mmsys composition. > 2. Added new component types MTK_DISP_VIRTUAL to support the > routing to virtual display components. > 3. Added and adjusted the existed structure or interface to extend > the support of multiple mmsys instances. > 4. Modified the component matching and binding logic to support > multiple mmsys instances. > > Signed-off-by: Nancy Lin <nancy.lin@mediatek.com> > Signed-off-by: Paul-pl Chen <paul-pl.chen@mediatek.com> > --- [snip] > > +enum mtk_drm_mmsys { > +DISPSYS0, > +DISPSYS1, > +OVLSYS0, > +OVLSYS1, > +MAX_MMSYS, > +}; Let ovlsys sub driver control OVLSYS0 and OVLSYS1, so mediatek drm driver would not see them and this patch is not necessary. Regards, CK </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>