@@ -123,6 +123,7 @@ struct exynos_drm_overlay {
* - this structure is common to analog tv, digital tv and lcd panel.
*
* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @initialize: initializes the display with drm_dev
* @is_connected: check for that display is connected or not.
* @get_edid: get edid modes from display driver.
* @get_panel: get panel object from display driver.
@@ -131,6 +132,7 @@ struct exynos_drm_overlay {
*/
struct exynos_drm_display_ops {
enum exynos_drm_output_type type;
+ int (*initialize)(struct device *dev, struct drm_device *drm_dev);
bool (*is_connected)(struct device *dev);
struct edid *(*get_edid)(struct device *dev,
struct drm_connector *connector);
@@ -142,6 +144,7 @@ struct exynos_drm_display_ops {
/*
* Exynos drm manager ops
*
+ * @initialize: initializes the manager with drm_dev
* @dpms: control device power.
* @apply: set timing, vblank and overlay data to registers.
* @mode_fixup: fix mode data comparing to hw specific display mode.
@@ -159,6 +162,8 @@ struct exynos_drm_display_ops {
* @win_disable: disable hardware specific overlay.
*/
struct exynos_drm_manager_ops {
+ int (*initialize)(struct device *subdrv_dev,
+ struct drm_device *drm_dev);
void (*dpms)(struct device *subdrv_dev, int mode);
void (*apply)(struct device *subdrv_dev);
void (*mode_fixup)(struct device *subdrv_dev,
@@ -316,6 +316,7 @@ exynos_drm_encoder_create(struct drm_device *dev,
{
struct drm_encoder *encoder;
struct exynos_drm_encoder *exynos_encoder;
+ int ret;
if (!manager || !possible_crtcs)
return NULL;
@@ -339,9 +340,29 @@ exynos_drm_encoder_create(struct drm_device *dev,
drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
+ if (manager->ops && manager->ops->initialize) {
+ ret = manager->ops->initialize(manager->dev, dev);
+ if (ret) {
+ DRM_ERROR("Manager initialize failed %d\n", ret);
+ goto error;
+ }
+ }
+
+ if (manager->display_ops && manager->display_ops->initialize) {
+ ret = manager->display_ops->initialize(manager->dev, dev);
+ if (ret) {
+ DRM_ERROR("Display initialize failed %d\n", ret);
+ goto error;
+ }
+ }
+
DRM_DEBUG_KMS("encoder has been created\n");
return encoder;
+
+error:
+ exynos_drm_encoder_destroy(&exynos_encoder->drm_encoder);
+ return NULL;
}
struct exynos_drm_manager *exynos_drm_get_manager(struct drm_encoder *encoder)
This patch adds an initialize function to the manager and display operations. This allows them to keep track of drm_device in their local context, as well as adds an initialization hook right after the encoder is created. Signed-off-by: Sean Paul <seanpaul@chromium.org> --- Changes in v2: None drivers/gpu/drm/exynos/exynos_drm_drv.h | 5 +++++ drivers/gpu/drm/exynos/exynos_drm_encoder.c | 21 +++++++++++++++++++++ 2 files changed, 26 insertions(+)