[PATCH v2 09/10] drm/ofdrm: Add per-model device function
Michal Suchánek
msuchanek at suse.de
Wed Jul 27 00:40:24 AEST 2022
Hello,
On Tue, Jul 26, 2022 at 03:38:37PM +0200, Javier Martinez Canillas wrote:
> On 7/20/22 16:27, Thomas Zimmermann wrote:
> > Add a per-model device-function structure in preparation of adding
> > color-management support. Detection of the individual models has been
> > taken from fbdev's offb.
> >
> > Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> > ---
>
> Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>
>
> [...]
>
> > +static bool is_avivo(__be32 vendor, __be32 device)
> > +{
> > + /* This will match most R5xx */
> > + return (vendor == 0x1002) &&
> > + ((device >= 0x7100 && device < 0x7800) || (device >= 0x9400));
> > +}
>
> Maybe add some constant macros to not have these magic numbers ?
This is based on the existing fbdev implementation's magic numbers:
drivers/video/fbdev/offb.c: ((*did >= 0x7100 && *did < 0x7800) ||
Of course, it would be great if somebody knowledgeable could clarify
those.
Thanks
Michal
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