drm/exynos: dsi: 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_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index c9d1a00971f14aa78759a0d99db763d961fafc1a..5e38d158089b0aa8e822568e156d2e2310978904 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -304,6 +304,11 @@ struct exynos_dsi {
 #define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
 #define connector_to_dsi(c) container_of(c, struct exynos_dsi, connector)
 
+static inline struct exynos_dsi *display_to_dsi(struct exynos_drm_display *d)
+{
+       return container_of(d, struct exynos_dsi, display);
+}
+
 static struct exynos_dsi_driver_data exynos3_dsi_driver_data = {
        .plltmr_reg = 0x50,
        .has_freqband = 1,
@@ -1397,7 +1402,7 @@ static void exynos_dsi_disable(struct exynos_dsi *dsi)
 
 static void exynos_dsi_dpms(struct exynos_drm_display *display, int mode)
 {
-       struct exynos_dsi *dsi = display->ctx;
+       struct exynos_dsi *dsi = display_to_dsi(display);
 
        if (dsi->panel) {
                switch (mode) {
@@ -1486,7 +1491,7 @@ static struct drm_connector_helper_funcs exynos_dsi_connector_helper_funcs = {
 static int exynos_dsi_create_connector(struct exynos_drm_display *display,
                                       struct drm_encoder *encoder)
 {
-       struct exynos_dsi *dsi = display->ctx;
+       struct exynos_dsi *dsi = display_to_dsi(display);
        struct drm_connector *connector = &dsi->connector;
        int ret;
 
@@ -1510,7 +1515,7 @@ static int exynos_dsi_create_connector(struct exynos_drm_display *display,
 static void exynos_dsi_mode_set(struct exynos_drm_display *display,
                         struct drm_display_mode *mode)
 {
-       struct exynos_dsi *dsi = display->ctx;
+       struct exynos_dsi *dsi = display_to_dsi(display);
        struct videomode *vm = &dsi->vm;
 
        vm->hactive = mode->hdisplay;
@@ -1635,7 +1640,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
                                void *data)
 {
        struct exynos_drm_display *display = dev_get_drvdata(dev);
-       struct exynos_dsi *dsi = display->ctx;
+       struct exynos_dsi *dsi = display_to_dsi(display);
        struct drm_device *drm_dev = data;
        int ret;
 
@@ -1653,7 +1658,7 @@ static void exynos_dsi_unbind(struct device *dev, struct device *master,
                                void *data)
 {
        struct exynos_drm_display *display = dev_get_drvdata(dev);
-       struct exynos_dsi *dsi = display->ctx;
+       struct exynos_dsi *dsi = display_to_dsi(display);
 
        exynos_dsi_dpms(display, DRM_MODE_DPMS_OFF);
 
@@ -1755,8 +1760,6 @@ static int exynos_dsi_probe(struct platform_device *pdev)
                goto err_del_component;
        }
 
-       dsi->display.ctx = dsi;
-
        platform_set_drvdata(pdev, &dsi->display);
 
        ret = component_add(dev, &exynos_dsi_component_ops);