drm/exynos: added crtc dpms for disable crtc
crtc dpms is called as destroying attached fb so dpms off sould be processed.
crtc dpms also can be called after crtc is detached from encoder so pipe value
of manager is used to find display controller for this case
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 9337e5e..b1d6526 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -85,7 +85,8 @@
exynos_drm_fn_encoder(crtc, overlay,
exynos_drm_encoder_crtc_mode_set);
- exynos_drm_fn_encoder(crtc, NULL, exynos_drm_encoder_crtc_commit);
+ exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+ exynos_drm_encoder_crtc_commit);
}
static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
@@ -171,9 +172,26 @@
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- /* TODO */
+ DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+ exynos_drm_encoder_crtc_commit);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ /* TODO */
+ exynos_drm_fn_encoder(crtc, NULL,
+ exynos_drm_encoder_crtc_disable);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
+ }
}
static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
@@ -185,9 +203,12 @@
static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
{
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
DRM_DEBUG_KMS("%s\n", __FILE__);
- /* drm framework doesn't check NULL. */
+ exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+ exynos_drm_encoder_crtc_commit);
}
static bool
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 0034fa7..f15da95 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -61,6 +61,8 @@
struct exynos_drm_display_ops *display_ops =
manager->display_ops;
+ DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
+ connector->base.id, mode);
if (display_ops && display_ops->power_on)
display_ops->power_on(manager->dev, mode);
}
@@ -117,15 +119,11 @@
{
struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
struct exynos_drm_manager_ops *manager_ops = manager->ops;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
DRM_DEBUG_KMS("%s\n", __FILE__);
if (manager_ops && manager_ops->commit)
manager_ops->commit(manager->dev);
-
- if (overlay_ops && overlay_ops->commit)
- overlay_ops->commit(manager->dev);
}
static struct drm_crtc *
@@ -209,10 +207,23 @@
{
struct drm_device *dev = crtc->dev;
struct drm_encoder *encoder;
+ struct exynos_drm_private *private = dev->dev_private;
+ struct exynos_drm_manager *manager;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- if (encoder->crtc != crtc)
- continue;
+ /*
+ * if crtc is detached from encoder, check pipe,
+ * otherwise check crtc attached to encoder
+ */
+ if (!encoder->crtc) {
+ manager = to_exynos_encoder(encoder)->manager;
+ if (manager->pipe < 0 ||
+ private->crtc[manager->pipe] != crtc)
+ continue;
+ } else {
+ if (encoder->crtc != crtc)
+ continue;
+ }
fn(encoder, data);
}
@@ -251,8 +262,18 @@
struct exynos_drm_manager *manager =
to_exynos_encoder(encoder)->manager;
struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+ int crtc = *(int *)data;
- overlay_ops->commit(manager->dev);
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ /*
+ * when crtc is detached from encoder, this pipe is used
+ * to select manager operation
+ */
+ manager->pipe = crtc;
+
+ if (overlay_ops && overlay_ops->commit)
+ overlay_ops->commit(manager->dev);
}
void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
@@ -265,6 +286,25 @@
overlay_ops->mode_set(manager->dev, overlay);
}
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
+{
+ struct exynos_drm_manager *manager =
+ to_exynos_encoder(encoder)->manager;
+ struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+
+ DRM_DEBUG_KMS("\n");
+
+ overlay_ops->disable(manager->dev);
+
+ /*
+ * crtc is already detached from encoder and last
+ * function for detaching is properly done, so
+ * clear pipe from manager to prevent repeated call
+ */
+ if (!encoder->crtc)
+ manager->pipe = -1;
+}
+
MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 5ecd645..a22acfb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -41,5 +41,6 @@
void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data);
void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data);
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data);
#endif