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authorSean Paul <seanpaul@chromium.org>2014-01-30 16:19:03 -0500
committerInki Dae <daeinki@gmail.com>2014-03-24 00:36:27 +0900
commit1f9cafc3adff803bc667aa1331f2108943001574 (patch)
treea8d33eb259ddd4fb723980c30e851930488ac67f /drivers/gpu/drm/exynos
parent1c6244c30eafbf7971bb9f73fda3080f60b7c4f1 (diff)
drm/exynos: Add an initialize function to manager and display
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> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h5
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c21
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 4288d0adf59a..2811486bb066 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -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,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index c255341ed174..a9eb2b0b933d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -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)