drm: omapdrm: Switch to the universal plane API
Remove the CRTC private planes by switching to the universal plane API.
This results in a merge of the CRTC private plane created by the driver
(omap_crtc->plane) and the CRTC primary plane created by the DRM core
(crtc->primary).
Reference counting of the framebuffers in the update plane operation is
thus simplified as no reference needs to be stored in the private plane
anymore.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index b9c3d8f..7570db5 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -28,7 +28,6 @@
struct omap_crtc {
struct drm_crtc base;
- struct drm_plane *plane;
const char *name;
int pipe;
@@ -217,10 +216,7 @@
omap_crtc->full_update = true;
omap_crtc_apply(crtc, &omap_crtc->apply);
- /* also enable our private plane: */
- WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
-
- /* and any attached overlay planes: */
+ /* Enable/disable all planes associated with the CRTC. */
for (i = 0; i < priv->num_planes; i++) {
struct drm_plane *plane = priv->planes[i];
if (plane->crtc == crtc)
@@ -258,7 +254,13 @@
copy_timings_drm_to_omap(&omap_crtc->timings, mode);
omap_crtc->full_update = true;
- return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb,
+ /*
+ * The primary plane CRTC can be reset if the plane is disabled directly
+ * through the universal plane API. Set it again here.
+ */
+ crtc->primary->crtc = crtc;
+
+ return omap_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
0, 0, mode->hdisplay, mode->vdisplay,
x << 16, y << 16,
mode->hdisplay << 16, mode->vdisplay << 16,
@@ -282,8 +284,7 @@
static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- struct drm_plane *plane = omap_crtc->plane;
+ struct drm_plane *plane = crtc->primary;
struct drm_display_mode *mode = &crtc->mode;
return omap_plane_mode_set(plane, crtc, crtc->primary->fb,
@@ -321,7 +322,7 @@
struct drm_gem_object *bo;
drm_modeset_lock(&crtc->mutex, NULL);
- omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb,
+ omap_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
0, 0, mode->hdisplay, mode->vdisplay,
crtc->x << 16, crtc->y << 16,
mode->hdisplay << 16, mode->vdisplay << 16,
@@ -385,7 +386,6 @@
static int omap_crtc_set_property(struct drm_crtc *crtc,
struct drm_property *property, uint64_t val)
{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
struct omap_drm_private *priv = crtc->dev->dev_private;
if (property == priv->rotation_prop) {
@@ -393,7 +393,7 @@
!!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270)));
}
- return omap_plane_set_property(omap_crtc->plane, property, val);
+ return omap_plane_set_property(crtc->primary, property, val);
}
static const struct drm_crtc_funcs omap_crtc_funcs = {
@@ -681,12 +681,13 @@
struct drm_crtc *crtc = NULL;
struct omap_crtc *omap_crtc;
struct omap_overlay_manager_info *info;
+ int ret;
DBG("%s", channel_names[channel]);
omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL);
if (!omap_crtc)
- goto fail;
+ return NULL;
crtc = &omap_crtc->base;
@@ -700,8 +701,6 @@
omap_crtc->apply.post_apply = omap_crtc_post_apply;
omap_crtc->channel = channel;
- omap_crtc->plane = plane;
- omap_crtc->plane->crtc = crtc;
omap_crtc->name = channel_names[channel];
omap_crtc->pipe = id;
@@ -723,18 +722,18 @@
info->trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
info->trans_enabled = false;
- drm_crtc_init(dev, crtc, &omap_crtc_funcs);
+ ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL,
+ &omap_crtc_funcs);
+ if (ret < 0) {
+ kfree(omap_crtc);
+ return NULL;
+ }
+
drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
- omap_plane_install_properties(omap_crtc->plane, &crtc->base);
+ omap_plane_install_properties(crtc->primary, &crtc->base);
omap_crtcs[channel] = omap_crtc;
return crtc;
-
-fail:
- if (crtc)
- omap_crtc_destroy(crtc);
-
- return NULL;
}