[PATCH] drm/rockchip: vop2: Add mode valid callback for crtc
From: Andy Yan <hidden>
Date: 2026-01-09 00:59:08
Also in:
dri-devel, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, drm drivers, drm drivers and misc gpu patches, drm drivers for rockchip, the rest · Maintainers:
Heiko Stuebner, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Sandy Huang, Heiko Stübner, Andy Yan, Linus Torvalds
From: Andy Yan <andy.yan@rock-chips.com> Filter the mode that can't output by the crtc. Signed-off-by: Andy Yan <andy.yan@rock-chips.com> --- drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 498df0ce4680..74fba29bfff3 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c@@ -1439,6 +1439,17 @@ static void vop2_crtc_disable_vblank(struct drm_crtc *crtc) vop2_crtc_disable_irq(vp, VP_INT_FS_FIELD); } +static enum drm_mode_status vop2_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + + if (mode->hdisplay > vp->data->max_output.width) + return MODE_BAD_HVALUE; + + return MODE_OK; +} + static bool vop2_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adj_mode)
@@ -1884,6 +1895,7 @@ static void vop2_crtc_atomic_flush(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs vop2_crtc_helper_funcs = { .mode_fixup = vop2_crtc_mode_fixup, + .mode_valid = vop2_crtc_mode_valid, .atomic_check = vop2_crtc_atomic_check, .atomic_begin = vop2_crtc_atomic_begin, .atomic_flush = vop2_crtc_atomic_flush,
--
2.43.0
base-commit: 84f1d42065381b7c3fbdeefe917e5e24ec0c6d87
branch: rk3576-dp-upstream