From f79d7c9543d2318aff29edd1bbcc142301eb75c2 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 1 Jul 2018 15:46:56 +0100 Subject: drm/armada: add drm_mode_set_crtcinfo() mode fixup Add a drm_mode_set_crtcinfo() call in our CRTC's mode_fixup callback to ensure that any adjustments to the mode made by connectors etc are properly accounted for by the CRTC. Signed-off-by: Russell King --- drivers/gpu/drm/armada/armada_crtc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index e81e57823b66..d802a6bc2d9f 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -180,6 +180,13 @@ static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc, adj->flags & DRM_MODE_FLAG_INTERLACE) return false; + /* + * Set CRTC modesetting parameters for the adjusted mode. This is + * applied after the connectors, bridges, and encoders have fixed up + * this mode, as described above drm_atomic_helper_check_modeset(). + */ + drm_mode_set_crtcinfo(adj, CRTC_INTERLACE_HALVE_V); + /* Check whether the display mode is possible */ ret = dcrtc->variant->compute_clock(dcrtc, adj, NULL); if (ret) -- cgit