On Thu, 25 Aug 2022, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Thu, Jun 16, 2022 at 03:41:37PM +0300, Jani Nikula wrote:
>> From: Diego Santa Cruz <Diego.SantaCruz@xxxxxxxxxxxx>
>>
>> The quirk added in upstream commit 90c3e2198777 ("drm/i915/glk: Add
>> Quirk for GLK NUC HDMI port issues.") is also required on the ECS Liva
>> Q2.
>>
>> Note: Would be nicer to figure out the extra delay required for the
>> retimer without quirks, however don't know how to check for that.
>>
>> Cc: stable@xxxxxxxxxxxxxxx
>> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1326
>> Signed-off-by: Diego Santa Cruz <Diego.SantaCruz@xxxxxxxxxxxx>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> Seems fine. Although I do wonder whether we could directly identify the
> bogus retimer chip via the dual mode adapter registers. I've asked for
> that in the bug.
>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Thanks, pushed to drm-intel-next. Let's follow up with cleanups if the
folks in the bug ever reply.
BR,
Jani.
>
>> ---
>> drivers/gpu/drm/i915/display/intel_quirks.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c
>> index c8488f5ebd04..e415cd7c0b84 100644
>> --- a/drivers/gpu/drm/i915/display/intel_quirks.c
>> +++ b/drivers/gpu/drm/i915/display/intel_quirks.c
>> @@ -191,6 +191,9 @@ static struct intel_quirk intel_quirks[] = {
>> /* ASRock ITX*/
>> { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
>> { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
>> + /* ECS Liva Q2 */
>> + { 0x3185, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
>> + { 0x3184, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
>> };
>>
>> void intel_init_quirks(struct drm_i915_private *i915)
>> --
>> 2.30.2
--
Jani Nikula, Intel Open Source Graphics Center
