drm/exynos/hdmi: stop using display->ctx pointer

The patch replaces accesses to display->ctx pointer by container_of
construct. It will allow to remove ctx field in the future.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 2851f89..5765a16 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -213,6 +213,11 @@ struct hdmi_context {
        enum hdmi_type                  type;
 };
 
+static inline struct hdmi_context *display_to_hdmi(struct exynos_drm_display *d)
+{
+       return container_of(d, struct hdmi_context, display);
+}
+
 struct hdmiphy_config {
        int pixel_clock;
        u8 conf[32];
@@ -1123,7 +1128,7 @@ static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
 static int hdmi_create_connector(struct exynos_drm_display *display,
                        struct drm_encoder *encoder)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
        struct drm_connector *connector = &hdata->connector;
        int ret;
 
@@ -2000,7 +2005,7 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
 static void hdmi_mode_set(struct exynos_drm_display *display,
                        struct drm_display_mode *mode)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
        struct drm_display_mode *m = mode;
 
        DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
@@ -2019,7 +2024,7 @@ static void hdmi_mode_set(struct exynos_drm_display *display,
 
 static void hdmi_commit(struct exynos_drm_display *display)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
 
        mutex_lock(&hdata->hdmi_mutex);
        if (!hdata->powered) {
@@ -2033,7 +2038,7 @@ static void hdmi_commit(struct exynos_drm_display *display)
 
 static void hdmi_poweron(struct exynos_drm_display *display)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
        struct hdmi_resources *res = &hdata->res;
 
        mutex_lock(&hdata->hdmi_mutex);
@@ -2064,7 +2069,7 @@ static void hdmi_poweron(struct exynos_drm_display *display)
 
 static void hdmi_poweroff(struct exynos_drm_display *display)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
        struct hdmi_resources *res = &hdata->res;
 
        mutex_lock(&hdata->hdmi_mutex);
@@ -2099,7 +2104,7 @@ out:
 
 static void hdmi_dpms(struct exynos_drm_display *display, int mode)
 {
-       struct hdmi_context *hdata = display->ctx;
+       struct hdmi_context *hdata = display_to_hdmi(display);
        struct drm_encoder *encoder = hdata->encoder;
        struct drm_crtc *crtc = encoder->crtc;
        struct drm_crtc_helper_funcs *funcs = NULL;
@@ -2476,7 +2481,6 @@ out_get_phy_port:
        }
 
        pm_runtime_enable(dev);
-       hdata->display.ctx = hdata;
 
        ret = component_add(&pdev->dev, &hdmi_component_ops);
        if (ret)