<div dir="ltr"><div>Hi Mark,</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 24 Mar 2021 at 14:58, Mark Yacoub <<a href="mailto:markyacoub@chromium.org">markyacoub@chromium.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">So you mean it would make more sense to be more explicit in handling<br>
DRM_FORMAT_MOD_INVALID as an incoming modifier (which will, just like<br>
DRM_FORMAT_MOD_LINEAR, will return true in<br>
dm_plane_format_mod_supported)?<br></blockquote><div><br></div><div>That's correct. Not passing any modifiers is the same as explicitly passing INVALID, both of which mean 'the driver will figure it out somehow'; that driver-specific determination is not the same as explicit LINEAR.</div><div><br></div><div>(I cannot regret enough that INVALID is not 0.)</div><div><br></div><div>Cheers,</div><div>Daniel</div></div></div>