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| author | Jacopo Mondi <jacopo+renesas@jmondi.org> | 2019-09-06 16:50:12 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2019-10-16 00:27:54 +0300 |
| commit | 0a370db816f8632bc71d7d0c6f59a82d2934f0df (patch) | |
| tree | 317cc49deb7be3e1a6be9ae19d896e2a01f692c2 /drivers/gpu/drm/rcar-du | |
| parent | 7ed093602e0e1b60a0fc074a9692687e7d2b723d (diff) | |
| download | linux-0a370db816f8632bc71d7d0c6f59a82d2934f0df.tar.xz | |
drm: rcar-du: kms: Expand comment in vsps parsing routine
Expand comment in the 'vsps' parsing routine to specify the LIF
channel index defaults to 0 in case the second cell of the property
is not specified to remain compatible with older DT bindings.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 2dc9caee8767..0d59f390de19 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -585,7 +585,11 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) vsps[j].crtcs_mask |= BIT(i); - /* Store the VSP pointer and pipe index in the CRTC. */ + /* + * Store the VSP pointer and pipe index in the CRTC. If the + * second cell of the 'vsps' specifier isn't present, default + * to 0 to remain compatible with older DT bindings. + */ rcdu->crtcs[i].vsp = &rcdu->vsps[j]; rcdu->crtcs[i].vsp_pipe = cells >= 1 ? args.args[0] : 0; } |