[PATCH v2 05/17] drm/i915/vrr: Disable VRR when using bigjoiner

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

All joined pipes share the same transcoder/timing generator.
Currently we just do the commits per-pipe, which doesn't really
work if we need to change switch between non-VRR and VRR timings
generators on the fly, or even when sending the push to the
transcoder. For now just disable VRR when bigjoiner is needed.

Tested-by: Vidya Srinivas <vidya.srinivas at intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 856378f8b90e..894ee97b3e1b 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -119,6 +119,13 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
 	const struct drm_display_info *info = &connector->base.display_info;
 	int vmin, vmax;
 
+	/*
+	 * FIXME all joined pipes share the same transcoder.
+	 * Need to account for that during VRR toggle/push/etc.
+	 */
+	if (crtc_state->bigjoiner_pipes)
+		return;
+
 	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
 		return;
 
-- 
2.43.2