[Intel-gfx] [PATCH] drm: Restore planes after load detection

[Maarten Lankhorst]

Op 19-03-18 om 16:39 schreef Ville Syrjala:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Actually turn the planes back on after were done with
> the load detection.
>
> Fixes: 20bdc112bbe4 ("drm/i915: Disable all planes for load detection, v2.")
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 3e7ab75e1b41..34e5a883e42e 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9976,6 +9976,8 @@ int intel_get_load_detect_pipe(struct drm_connector *connector,
>  	ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector));
>  	if (!ret)
>  		ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, crtc));
> +	if (!ret)
> +		ret = drm_atomic_add_affected_planes(restore_state, crtc);
>  	if (ret) {
>  		DRM_DEBUG_KMS("Failed to create a copy of old state to restore: %i\n", ret);
>  		goto fail;

If you r-b the igt counterpart, then:

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