diff options
| author | Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> | 2018-08-20 19:00:44 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2018-09-14 13:54:04 +0300 |
| commit | c6e3194a3b55a9365e40c3a25f8e31afa154c26c (patch) | |
| tree | bb0416d988abf272c65d90347d6d23766b11db72 /drivers/gpu/drm/rcar-du/rcar_du_crtc.c | |
| parent | c14f63abebb3e393eede4fff2b0c448d42b085e9 (diff) | |
| download | linux-c6e3194a3b55a9365e40c3a25f8e31afa154c26c.tar.xz | |
drm: rcar-du: Add interlaced feature flag
Upcoming implementations of the R-Car DU have removed support for
interlaced display pipelines. Provide a means to determine this based on
the feature flags of the hardware configuration structs.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 4b7cf6cf0c57..175c36ca89c5 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -681,11 +681,25 @@ static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc, rcar_du_vsp_atomic_flush(rcrtc); } +enum drm_mode_status rcar_du_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + struct rcar_du_device *rcdu = rcrtc->group->dev; + bool interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE; + + if (interlaced && !rcar_du_has(rcdu, RCAR_DU_FEATURE_INTERLACED)) + return MODE_NO_INTERLACE; + + return MODE_OK; +} + static const struct drm_crtc_helper_funcs crtc_helper_funcs = { .atomic_begin = rcar_du_crtc_atomic_begin, .atomic_flush = rcar_du_crtc_atomic_flush, .atomic_enable = rcar_du_crtc_atomic_enable, .atomic_disable = rcar_du_crtc_atomic_disable, + .mode_valid = rcar_du_crtc_mode_valid, }; static void rcar_du_crtc_crc_init(struct rcar_du_crtc *rcrtc) |