[Intel-gfx] [PATCH] drm/i915: Disable LVDS on Radiant P845

[Jani Nikula]

On Tue, 10 Apr 2018, Ondrej Zary <linux at rainbow-software.org> wrote:
> Hello,
> any news about this patch? The bug is rotting here:
> https://bugs.freedesktop.org/show_bug.cgi?id=105468

I'm afraid we've failed to make the connection between the bug and the
patch until now. Sorry about that.

BR,
Jani.

>
> On Monday 12 March 2018 08:25:34 Jani Nikula wrote:
>> On Fri, 09 Mar 2018, Ondrej Zary <linux at rainbow-software.org> wrote:
>> > Radiant P845 does not have LVDS, only VGA.
>>
>> Hi, thanks for the patch. Would you mind filing a bug at [1], stating
>> the issue here, and attaching dmesg from boot with drm.debug=14 set, as
>> well as /sys/kernel/debug/dri/0/i915_vbt. I'd just like to have a bit
>> more background info to look at before pushing that patch. And then we
>> can reference the bug for posterity.
>>
>> Thanks,
>> Jani.
>>
>>
>> [1]
>> https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
>>
>> > Signed-off-by: Ondrej Zary <linux at rainbow-software.org>
>> > ---
>> >  drivers/gpu/drm/i915/intel_lvds.c | 8 ++++++++
>> >  1 file changed, 8 insertions(+)
>> >
>> > diff --git a/drivers/gpu/drm/i915/intel_lvds.c
>> > b/drivers/gpu/drm/i915/intel_lvds.c index ef80499113ee..6939e63d8bae
>> > 100644
>> > --- a/drivers/gpu/drm/i915/intel_lvds.c
>> > +++ b/drivers/gpu/drm/i915/intel_lvds.c
>> > @@ -819,6 +819,14 @@ static const struct dmi_system_id intel_no_lvds[] =
>> > { DMI_EXACT_MATCH(DMI_BOARD_NAME, "D525MW"),
>> >  		},
>> >  	},
>> > +	{
>> > +		.callback = intel_no_lvds_dmi_callback,
>> > +		.ident = "Radiant P845",
>> > +		.matches = {
>> > +			DMI_MATCH(DMI_SYS_VENDOR, "Radiant Systems Inc"),
>> > +			DMI_MATCH(DMI_PRODUCT_NAME, "P845"),
>> > +		},
>> > +	},
>> >
>> >  	{ }	/* terminating entry */
>> >  };

-- 
Jani Nikula, Intel Open Source Technology Center