> -----Original Message-----
> From: Jani Nikula <jani.nikula@xxxxxxxxx>
> Sent: Friday, August 28, 2020 11:50 AM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Nikula, Jani <jani.nikula@xxxxxxxxx>; Shankar, Uma
> <uma.shankar@xxxxxxxxx>
> Subject: [PATCH 2/2] drm/i915/dp: use opregion mailbox #5 EDID for eDP, if
> available
>
> If a panel's EDID is broken, there may be an override EDID set in the ACPI
> OpRegion mailbox #5. Use it if available.
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index c57ac83bf563..d1307be196a2 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -8114,6 +8114,9 @@ static bool intel_edp_init_connector(struct intel_dp
> *intel_dp,
> goto out_vdd_off;
> }
>
> + /* Set up override EDID, if any, from ACPI OpRegion */
> + intel_opregion_edid_override(intel_connector);
> +
> mutex_lock(&dev->mode_config.mutex);
> edid = drm_get_edid(connector, &intel_dp->aux.ddc);
> if (edid) {
> --
> 2.20.1
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