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SubjectRe: [PATCH] drm/i915: Force DPCD backlight mode for HP Spectre x360 Convertible 13t-aw100
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On Tue, 07 Apr 2020, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>> On Mar 27, 2020, at 19:03, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>> Hi,
>>
>>> On Mar 23, 2020, at 13:35, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>>
>>> There's another OLED panel needs to use DPCD aux interface to control
>>> backlight.
>>>
>>> BugLink: https://bugs.launchpad.net/bugs/1860303
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>>
>> Would it be possible to review this?
>> I'd like to send a similar quirk for a new panel, and I want to avoid causing any merge conflict.
>
> Another gentle ping...

Can't really review, but if you say that's needed...

Acked-by: Jani Nikula <jani.nikula@intel.com>

>
>>
>> Kai-Heng
>>
>>> ---
>>> drivers/gpu/drm/drm_dp_helper.c | 2 ++
>>> 1 file changed, 2 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
>>> index 8ba4531e808d..a0d4314663de 100644
>>> --- a/drivers/gpu/drm/drm_dp_helper.c
>>> +++ b/drivers/gpu/drm/drm_dp_helper.c
>>> @@ -1301,6 +1301,8 @@ static const struct edid_quirk edid_quirk_list[] = {
>>> * only supports DPCD backlight controls
>>> */
>>> { MFG(0x4c, 0x83), PROD_ID(0x41, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
>>> + /* HP Spectre x360 Convertible 13t-aw100 */
>>> + { MFG(0x4c, 0x83), PROD_ID(0x42, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
>>> /*
>>> * Some Dell CML 2020 systems have panels support both AUX and PWM
>>> * backlight control, and some only support AUX backlight control. All
>>> --
>>> 2.17.1
>>>
>>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Jani Nikula, Intel Open Source Graphics Center

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