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 Changes in v3: None Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_drv.h | 5 +++++ drivers/gpu/drm/exynos/exynos_drm_encoder.c | 21 +++++++++++++++++++++ 2 files changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 4288d0a..2811486 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 c255341..a9eb2b0 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)