Op 23-04-2019 om 17:49 schreef Manasi Navare:
> Add the comparison between the current state and new_crtc_state for
> newly added master_crtc pointer and slave bitmask so that
> if any of those change then the curernt master-slave links have
> changed and we need to reconfigure the transcoder port sync register
> and hence trigger a full modeset.
>
> Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 81e8cb9fe221..4bd23e61c6fd 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12524,6 +12524,11 @@ intel_pipe_config_compare(struct drm_i915_private *dev_priv,
> PIPE_CONF_CHECK_INFOFRAME(spd);
> PIPE_CONF_CHECK_INFOFRAME(hdmi);
>
> + if (INTEL_GEN(dev_priv) >= 11) {
> + PIPE_CONF_CHECK_I(trans_port_sync_slaves);
> + PIPE_CONF_CHECK_P(master_crtc);
> + }
> +
> #undef PIPE_CONF_CHECK_X
> #undef PIPE_CONF_CHECK_I
> #undef PIPE_CONF_CHECK_BOOL
Should probably be merged with patch 1/4
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