Hi,
On Sat, May 26, 2018 at 08:25:07PM +0300, Laurent Pinchart wrote:
> Creating all the planes in a single location instead of creating them
> per-CRTC with remaining planes then created in a second step simplifies
> the logic.
>
> Signed-off-by: Laurent Pinchart
> ---
Reviewed-by: Sebastian Reichel
-- Sebastian
> drivers/gpu/drm/omapdrm/omap_drv.c | 45
> --
> 1 file changed, 19 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c
> b/drivers/gpu/drm/omapdrm/omap_drv.c
> index 0d4c3e2db058..99ed47a17ce3 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.c
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.c
> @@ -271,14 +271,30 @@ static int omap_modeset_init(struct drm_device *dev)
> return -EINVAL;
> }
>
> - /* All planes can be put to any CRTC */
> + /* Create all planes first. They can all be put to any CRTC. */
> plane_crtc_mask = (1 << num_crtcs) - 1;
>
> + for (i = 0; i < num_ovls; i++) {
> + enum drm_plane_type type = i < priv->num_dssdevs
> + ? DRM_PLANE_TYPE_PRIMARY
> + : DRM_PLANE_TYPE_OVERLAY;
> + struct drm_plane *plane;
> +
> + if (WARN_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)))
> + return -EINVAL;
> +
> + plane = omap_plane_init(dev, i, type, plane_crtc_mask);
> + if (IS_ERR(plane))
> + return PTR_ERR(plane);
> +
> + priv->planes[priv->num_planes++] = plane;
> + }
> +
> + /* Create the CRTCs, encoders and connectors. */
> for (i = 0; i < priv->num_dssdevs; i++) {
> struct omap_dss_device *dssdev = priv->dssdevs[i];
> struct drm_connector *connector;
> struct drm_encoder *encoder;
> - struct drm_plane *plane;
> struct drm_crtc *crtc;
>
> encoder = omap_encoder_init(dev, dssdev);
> @@ -290,12 +306,7 @@ static int omap_modeset_init(struct drm_device *dev)
> if (!connector)
> return -ENOMEM;
>
> - plane = omap_plane_init(dev, i, DRM_PLANE_TYPE_PRIMARY,
> - plane_crtc_mask);
> - if (IS_ERR(plane))
> - return PTR_ERR(plane);
> -
> - crtc = omap_crtc_init(dev, plane, dssdev);
> + crtc = omap_crtc_init(dev, priv->planes[i], dssdev);
> if (IS_ERR(crtc))
> return PTR_ERR(crtc);
>
> @@ -303,28 +314,10 @@ static int omap_modeset_init(struct drm_device *dev)
> encoder->possible_crtcs = 1 << i;
>
> priv->crtcs[priv->num_crtcs++] = crtc;
> - priv->planes[priv->num_planes++] = plane;
> priv->encoders[priv->num_encoders++] = encoder;
> priv->connectors[priv->num_connectors++] = connector;
> }
>
> - /*
> - * Create normal planes for the remaining overlays:
> - */
> - for (; i < num_ovls; i++) {
> - struct drm_plane *plane;
> -
> - if (WARN_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)))
> - return -EINVAL;
> -
> - plane = omap_plane_init(dev, i, DRM_PLANE_TYPE_OVERLAY,
> - plane_crtc_mask);
> - if (IS_ERR(plane))
> - return PTR_ERR(plane);
> -
> - priv->planes[priv->num_planes++] = plane;
> - }
> -
> DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
> priv->num_planes, priv->num_crtcs, priv->num_encoders,
> priv->num_connectors);
> --
> Regards,
>
> Laurent Pinchart
>
> ___
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> dri-devel@lists.freedesktop.org
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