[Intel-gfx] [PATCH 6/8] drm/i915: Do not update legacy state any more

[Maarten Lankhorst]

FBC has been converted to atomic, so updating
some legacy variables is no longer needed.

drm_atomic_helper_update_legacy_modeset_state
does update crtc->x/y anyway, but we shouldn't need it.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 30 ++++--------------------------
 1 file changed, 4 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d95b3ba1fe47..6e47ee8827ae 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11027,31 +11027,6 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
 	return ret;
 }
 
-static void
-intel_modeset_update_crtc_state(struct drm_atomic_state *state)
-{
-	struct drm_crtc *crtc;
-	struct drm_crtc_state *new_crtc_state;
-	int i;
-
-	/* Double check state. */
-	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
-		struct drm_plane_state *plane_state;
-		to_intel_crtc(crtc)->config = to_intel_crtc_state(new_crtc_state);
-
-		/*
-		 * Update legacy state to satisfy fbc code. This can
-		 * be removed when fbc uses the atomic state.
-		 */
-		plane_state = drm_atomic_get_new_plane_state(state, crtc->primary);
-		if (plane_state) {
-			crtc->primary->fb = plane_state->fb;
-			crtc->x = plane_state->src_x >> 16;
-			crtc->y = plane_state->src_y >> 16;
-		}
-	}
-}
-
 static bool intel_fuzzy_clock_check(int clock1, int clock2)
 {
 	int diff;
@@ -12438,7 +12413,10 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 
 	/* Only after disabling all output pipelines that will be changed can we
 	 * update the the output configuration. */
-	intel_modeset_update_crtc_state(state);
+
+	/* Update legacy crtc->config pointer */
+	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
+		to_intel_crtc(crtc)->config = to_intel_crtc_state(new_crtc_state);
 
 	if (intel_state->modeset) {
 		drm_atomic_helper_update_legacy_modeset_state(state->dev, state);
-- 
2.11.0