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Subject[PATCH 4/4] drm/exynos/dsi: stop using display->ctx pointer
Date
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>
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 634904a..abdc3d1 100644
--- 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);
--
1.9.1


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