RE: [Intel-gfx] [PATCH v2 5/6] drm/i915/edp: postpone MSO init until after EDID read

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jani Nikula
> Sent: Tuesday, August 31, 2021 7:48 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx; ville.syrjala@xxxxxxxxxxxxxxx; Nikula, Jani
> <jani.nikula@xxxxxxxxx>
> Subject: [Intel-gfx] [PATCH v2 5/6] drm/i915/edp: postpone MSO init until after EDID
> read
> 
> MSO will require segment pixel overlap information from the EDID. Postpone MSO
> init until after we've read and cached the EDID.
> 

Looks ok to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>

> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index 64e8151d13a4..df402f63b741 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -2536,8 +2536,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
>  	 */
>  	intel_edp_init_source_oui(intel_dp, true);
> 
> -	intel_edp_mso_init(intel_dp);
> -
>  	return true;
>  }
> 
> @@ -4804,6 +4802,9 @@ static bool intel_edp_init_connector(struct intel_dp
> *intel_dp,
>  	if (fixed_mode)
>  		downclock_mode = intel_drrs_init(intel_connector, fixed_mode);
> 
> +	/* MSO requires information from the EDID */
> +	intel_edp_mso_init(intel_dp);
> +
>  	/* multiply the mode clock and horizontal timings for MSO */
>  	intel_edp_mso_mode_fixup(intel_connector, fixed_mode);
>  	intel_edp_mso_mode_fixup(intel_connector, downclock_mode);
> --
> 2.30.2





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