Merge v5.16-rc5 into drm-next

Thomas Zimmermann requested a fixes backmerge, specifically also for
96c5f82ef0a1 ("drm/vc4: fix error code in vc4_create_object()")

Just a bunch of adjacent changes conflicts, even the big pile of them
in vc4.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 18 insertions, 22 deletions

diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index 79d4d9dd1394..bf3706f97ec7 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -340,19 +340,19 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
 	struct drm_device *dev = state->dev;
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
 	struct vc4_hvs *hvs = vc4->hvs;
-	struct drm_crtc_state *old_crtc_state;
 	struct drm_crtc_state *new_crtc_state;
 	struct vc4_hvs_state *new_hvs_state;
 	struct drm_crtc *crtc;
 	struct vc4_hvs_state *old_hvs_state;
+	unsigned int channel;
 	int i;
 
 	old_hvs_state = vc4_hvs_get_old_global_state(state);
-	if (WARN_ON(!old_hvs_state))
+	if (WARN_ON(IS_ERR(old_hvs_state)))
 		return;
 
 	new_hvs_state = vc4_hvs_get_new_global_state(state);
-	if (WARN_ON(!new_hvs_state))
+	if (WARN_ON(IS_ERR(new_hvs_state)))
 		return;
 
 	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
@@ -373,21 +373,23 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
 		clk_set_min_rate(hvs->core_clk, core_rate);
 	}
 
-	for_each_old_crtc_in_state(state, crtc, old_crtc_state, i) {
-		struct vc4_crtc_state *vc4_crtc_state =
-			to_vc4_crtc_state(old_crtc_state);
-		unsigned int channel = vc4_crtc_state->assigned_channel;
+	for (channel = 0; channel < HVS_NUM_CHANNELS; channel++) {
+		struct drm_crtc_commit *commit;
 		int ret;
 
-		if (channel == VC4_HVS_CHANNEL_DISABLED)
+		if (!old_hvs_state->fifo_state[channel].in_use)
 			continue;
 
-		if (!old_hvs_state->fifo_state[channel].in_use)
+		commit = old_hvs_state->fifo_state[channel].pending_commit;
+		if (!commit)
 			continue;
 
-		ret = drm_crtc_commit_wait(old_hvs_state->fifo_state[channel].pending_commit);
+		ret = drm_crtc_commit_wait(commit);
 		if (ret)
 			drm_err(dev, "Timed out waiting for commit\n");
+
+		drm_crtc_commit_put(commit);
+		old_hvs_state->fifo_state[channel].pending_commit = NULL;
 	}
 
 	drm_atomic_helper_commit_modeset_disables(dev, state);
@@ -427,8 +429,8 @@ static int vc4_atomic_commit_setup(struct drm_atomic_state *state)
 	unsigned int i;
 
 	hvs_state = vc4_hvs_get_new_global_state(state);
-	if (!hvs_state)
-		return -EINVAL;
+	if (WARN_ON(IS_ERR(hvs_state)))
+		return PTR_ERR(hvs_state);
 
 	for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
 		struct vc4_crtc_state *vc4_crtc_state =
@@ -676,12 +678,6 @@ vc4_hvs_channels_duplicate_state(struct drm_private_obj *obj)
 	for (i = 0; i < HVS_NUM_CHANNELS; i++) {
 		state->fifo_state[i].in_use = old_state->fifo_state[i].in_use;
 		state->fifo_state[i].fifo_load = old_state->fifo_state[i].fifo_load;
-
-		if (!old_state->fifo_state[i].pending_commit)
-			continue;
-
-		state->fifo_state[i].pending_commit =
-			drm_crtc_commit_get(old_state->fifo_state[i].pending_commit);
 	}
 
 	state->core_clock_rate = old_state->core_clock_rate;
@@ -772,8 +768,8 @@ static int vc4_pv_muxing_atomic_check(struct drm_device *dev,
 	unsigned int i;
 
 	hvs_new_state = vc4_hvs_get_global_state(state);
-	if (!hvs_new_state)
-		return -EINVAL;
+	if (IS_ERR(hvs_new_state))
+		return PTR_ERR(hvs_new_state);
 
 	for (i = 0; i < ARRAY_SIZE(hvs_new_state->fifo_state); i++)
 		if (!hvs_new_state->fifo_state[i].in_use)
@@ -862,8 +858,8 @@ vc4_core_clock_atomic_check(struct drm_atomic_state *state)
 	load_state = to_vc4_load_tracker_state(priv_state);
 
 	hvs_new_state = vc4_hvs_get_global_state(state);
-	if (!hvs_new_state)
-		return -EINVAL;
+	if (IS_ERR(hvs_new_state))
+		return PTR_ERR(hvs_new_state);
 
 	for_each_oldnew_crtc_in_state(state, crtc,
 				      old_crtc_state,