[PATCH 4/4] drm/i915: DDI: call intel_edp_drrs_enable() on encoder updates

[Maarten Lankhorst]

Op 18-12-2018 om 23:29 schreef Hans de Goede:
> Call intel_edp_drrs_enable() on encoder updates to make sure that we enable
> DRRS (when applicable) on fastsets.
>
> Note calling intel_edp_drrs_enable() when PSR has already been enabled is a
> no-op, so it is safe to do this on every encoder->update callback.
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 30f54c334dd7..b74f3c415fbb 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -3544,6 +3544,7 @@ static void intel_update_ddi_dp(struct intel_encoder *encoder,
>  	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
>  
>  	intel_psr_enable(intel_dp, crtc_state);
> +	intel_edp_drrs_enable(intel_dp, crtc_state);
>  }
>  
>  static void intel_update_ddi(struct intel_encoder *encoder,

I would merge patch 2 and 4, and rename the callback to pipe_update or something less generic than update, at least.

Other than that, looks good. So with those changes:

Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Can I convince you to review https://patchwork.freedesktop.org/series/54226/ ? Should be triggerable with

kms_atomic_transition --run-subtest plane-all-modeset-transition-fencing-internal-panels

See:

https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_11112/shard-skl7/igt@kms_atomic_transition@plane-all-modeset-transition-fencing-internal-panels.html

At that point we should have FBC, PSR and DRRS working correctly with fastset. :)

~Maarten