drm: omapdrm: Rework CRTC enable/disable for atomic updates
When using atomic updates the CRTC .enable() and .disable() helper
operations are preferred over the (then legacy) .prepare() and .commit()
operations. Implement .enable() and rework .disable() to not depend on
DPMS, easing DPMS removal later on.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 94c1bb8..0359a67 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -509,45 +509,6 @@
kfree(omap_crtc);
}
-static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
- struct omap_drm_private *priv = crtc->dev->dev_private;
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- bool enable = (mode == DRM_MODE_DPMS_ON);
- int i;
-
- DBG("%s: %d", omap_crtc->name, mode);
-
- if (enable == omap_crtc->enabled)
- return;
-
- if (!enable) {
- omap_crtc_wait_page_flip(crtc);
- dispc_runtime_get();
- drm_crtc_vblank_off(crtc);
- dispc_runtime_put();
- }
-
- /* 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)
- WARN_ON(omap_plane_set_enable(plane, enable));
- }
-
- omap_crtc->enabled = enable;
-
- omap_crtc_setup(crtc);
- omap_crtc_flush(crtc);
-
- if (enable) {
- dispc_runtime_get();
- drm_crtc_vblank_on(crtc);
- dispc_runtime_put();
- }
-}
-
static bool omap_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -555,6 +516,65 @@
return true;
}
+static void omap_crtc_enable(struct drm_crtc *crtc)
+{
+ struct omap_drm_private *priv = crtc->dev->dev_private;
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ unsigned int i;
+
+ DBG("%s", omap_crtc->name);
+
+ if (omap_crtc->enabled)
+ return;
+
+ /* Enable 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)
+ WARN_ON(omap_plane_set_enable(plane, true));
+ }
+
+ omap_crtc->enabled = true;
+
+ omap_crtc_setup(crtc);
+ omap_crtc_flush(crtc);
+
+ dispc_runtime_get();
+ drm_crtc_vblank_on(crtc);
+ dispc_runtime_put();
+}
+
+static void omap_crtc_disable(struct drm_crtc *crtc)
+{
+ struct omap_drm_private *priv = crtc->dev->dev_private;
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ unsigned int i;
+
+ DBG("%s", omap_crtc->name);
+
+ if (!omap_crtc->enabled)
+ return;
+
+ omap_crtc_wait_page_flip(crtc);
+ dispc_runtime_get();
+ drm_crtc_vblank_off(crtc);
+ dispc_runtime_put();
+
+ /* 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)
+ WARN_ON(omap_plane_set_enable(plane, false));
+ }
+
+ omap_crtc->enabled = false;
+
+ omap_crtc_setup(crtc);
+ omap_crtc_flush(crtc);
+}
+
static int omap_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
@@ -587,6 +607,19 @@
x, y, mode->hdisplay, mode->vdisplay);
}
+static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ bool enable = (mode == DRM_MODE_DPMS_ON);
+
+ DBG("%s: %d", omap_crtc->name, mode);
+
+ if (enable)
+ omap_crtc_enable(crtc);
+ else
+ omap_crtc_disable(crtc);
+}
+
static void omap_crtc_prepare(struct drm_crtc *crtc)
{
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
@@ -751,6 +784,8 @@
.prepare = omap_crtc_prepare,
.commit = omap_crtc_commit,
.mode_set_base = omap_crtc_mode_set_base,
+ .disable = omap_crtc_disable,
+ .enable = omap_crtc_enable,
};
/* -----------------------------------------------------------------------------