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From:   Maxime Ripard <maxime@cerno.tech>
To:     Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
        Eric Anholt <eric@anholt.net>
Cc:     dri-devel@lists.freedesktop.org,
        linux-rpi-kernel@lists.infradead.org,
        bcm-kernel-feedback-list@broadcom.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Dave Stevenson <dave.stevenson@raspberrypi.com>,
        Tim Gover <tim.gover@raspberrypi.com>,
        Phil Elwell <phil@raspberrypi.com>,
        Maxime Ripard <maxime@cerno.tech>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        Hoegeun Kwon <hoegeun.kwon@samsung.com>,
        Stefan Wahren <stefan.wahren@i2se.com>
Subject: [PATCH v5 13/80] drm/vc4: kms: Convert to for_each_new_crtc_state
Date:   Thu,  3 Sep 2020 10:00:45 +0200
Message-Id: <a712d2b70aaee20379cfc52c2141aa2f6e2a9d5b.1599120059.git-series.maxime@cerno.tech>
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The vc4 atomic commit loop has an handrolled loop that is basically
identical to for_each_new_crtc_state, let's convert it to that helper.

Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_kms.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index 210cc2408087..a41d105d4e3c 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -152,14 +152,16 @@ vc4_atomic_complete_commit(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 vc4_crtc *vc4_crtc;
+	struct drm_crtc_state *new_crtc_state;
+	struct drm_crtc *crtc;
 	int i;
 
-	for (i = 0; i < dev->mode_config.num_crtc; i++) {
-		if (!state->crtcs[i].ptr || !state->crtcs[i].commit)
+	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+		struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
+
+		if (!new_crtc_state->commit)
 			continue;
 
-		vc4_crtc = to_vc4_crtc(state->crtcs[i].ptr);
 		vc4_hvs_mask_underrun(dev, vc4_crtc->channel);
 	}
 
-- 
git-series 0.9.1