On Wed, Jun 12, 2024 at 12:08 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > > Hi, > > On 6/6/24 8:12 PM, Hans de Goede wrote: > > Hi, > > > > +To: Rafael since this was Cc-ed to linux-acpi but never send > > to Rafael directly. > > > > Rafael this fixes a crash in 6.10-rc1 for some users and is necessary > > to make the cameras work on the Dell XPS 13 plus 9320 . > > > > On 5/28/24 7:09 PM, Hans de Goede wrote: > >> Hi Sakari, > >> > >> On 5/28/24 10:44 AM, Sakari Ailus wrote: > >>> Ignore camera related graph port nodes on Dell XPS 9320. They data in BIOS > >>> is buggy, just like it is for Dell XPS 9315. The corresponding software > >>> nodes are created by the ipu-bridge. > >>> > >>> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > >>> --- > >>> Hi, > >>> > >>> Could you test this and see whether it fixes the warning? > >>> > >>> The camera might work with this change, too. > >> > >> Thank you I just received a Dell XPS 13 plus 9320 myself to use > >> for VSC testing and I can confirm that with this patch 6.10.0-rc1 > >> works, including giving a picture with the libcamera software ISP + > >> 3 small libcamera patches. > > > > I forgot to add: > > > > Tested-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > I just hit the same problem on another Dell laptop. It seems that > all Dell laptops with IPU6 camera from the Tiger Lake, Alder Lake > and Raptor Lake generations suffer from this problem. > > So instead of playing whack a mole with DMI matches we should > simply disable ACPI MIPI DISCO support on all Dell laptops > with those CPUs. I'm preparing a fix for this to replace > the DMI matching now. > > Rafael, please drop this patch, my more generic fix will replace it > and backporting will be easier without having the intermediate fix > in the middle. Dropping, thanks!
