Re: [PATCH] drm/i915: Disable LVDS on Radiant P845

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On Fri, 09 Mar 2018, Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxx>
> ---
>  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
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