[PATCH 4/5] drm/vblank: Use drm_for_each_crtc() in drm_vblank_init()
From: Lyude Paul <lyude@redhat.com>
Date: 2026-08-14 20:36:24
Also in:
amd-gfx, asahi, dri-devel, imx, intel-gfx, intel-xe, linux-amlogic, linux-arm-kernel, linux-arm-msm, linux-aspeed, linux-mediatek, linux-mips, linux-renesas-soc, linux-rockchip, linux-samsung-soc, linux-sunxi, linux-tegra, lkml, nouveau
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
No functional changes yet, we just should be using this iterator here instead of manually counting the number of CRTCs anyhow. Signed-off-by: Lyude Paul <lyude@redhat.com> --- drivers/gpu/drm/drm_vblank.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index 17283e8920378..d57405050554f 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c@@ -547,19 +547,20 @@ static void drm_vblank_init_release(struct drm_device *dev, void *ptr) int drm_vblank_init(struct drm_device *dev) { int ret; - unsigned int num_crtcs = dev->mode_config.num_crtc; - unsigned int i; + struct drm_crtc *crtc; spin_lock_init(&dev->vbl_lock); spin_lock_init(&dev->vblank_time_lock); - dev->vblank = drmm_kcalloc(dev, num_crtcs, sizeof(*dev->vblank), GFP_KERNEL); + dev->vblank = drmm_kcalloc(dev, dev->mode_config.num_crtc, + sizeof(*dev->vblank), GFP_KERNEL); if (!dev->vblank) return -ENOMEM; dev->has_hw_vblank = true; - for (i = 0; i < num_crtcs; i++) { + drm_for_each_crtc(crtc, dev) { + unsigned int i = crtc->index; struct drm_vblank_crtc *vblank = drm_vblank_crtc(dev, i); vblank->dev = dev;
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2.55.0