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Subject[PATCH v3 02/35] drm/bridge: analogix_dp: Stop using drm_bridge->driver_private
Date
Instead, embed the drm_bridge structure into analogix_dp_core and use
a container_of wrapper to access the latter.

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
---
.../drm/bridge/analogix/analogix_dp_core.c | 40 +++++++------------
.../drm/bridge/analogix/analogix_dp_core.h | 8 +++-
2 files changed, 21 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 6effe532f820..56ea3be27f2b 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1218,7 +1218,7 @@ static const struct drm_connector_funcs analogix_dp_connector_funcs = {

static int analogix_dp_bridge_attach(struct drm_bridge *bridge)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_encoder *encoder = dp->encoder;
struct drm_connector *connector = NULL;
int ret = 0;
@@ -1292,7 +1292,7 @@ struct drm_crtc *analogix_dp_get_new_crtc(struct analogix_dp_device *dp,
static void analogix_dp_bridge_atomic_pre_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
int ret;
@@ -1369,7 +1369,7 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp)
static void analogix_dp_bridge_atomic_enable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
int timeout_loop = 0;
@@ -1406,7 +1406,7 @@ static void analogix_dp_bridge_atomic_enable(struct drm_bridge *bridge,

static void analogix_dp_bridge_disable(struct drm_bridge *bridge)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
int ret;

if (dp->dpms_mode != DRM_MODE_DPMS_ON)
@@ -1443,7 +1443,7 @@ static void analogix_dp_bridge_disable(struct drm_bridge *bridge)
static void analogix_dp_bridge_atomic_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_crtc *crtc;
struct drm_crtc_state *new_crtc_state = NULL;

@@ -1467,7 +1467,7 @@ static
void analogix_dp_bridge_atomic_post_disable(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_crtc *crtc;
struct drm_crtc_state *new_crtc_state;
int ret;
@@ -1489,7 +1489,7 @@ static void analogix_dp_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *orig_mode,
const struct drm_display_mode *mode)
{
- struct analogix_dp_device *dp = bridge->driver_private;
+ struct analogix_dp_device *dp = bridge_to_analogix_dp_device(bridge);
struct drm_display_info *display_info = &dp->connector.display_info;
struct video_info *video = &dp->video_info;
struct device_node *dp_node = dp->dev->of_node;
@@ -1571,28 +1571,16 @@ static const struct drm_bridge_funcs analogix_dp_bridge_funcs = {
.attach = analogix_dp_bridge_attach,
};

-static int analogix_dp_create_bridge(struct drm_device *drm_dev,
+static int analogix_dp_attach_bridge(struct drm_device *drm_dev,
struct analogix_dp_device *dp)
{
- struct drm_bridge *bridge;
int ret;

- bridge = devm_kzalloc(drm_dev->dev, sizeof(*bridge), GFP_KERNEL);
- if (!bridge) {
- DRM_ERROR("failed to allocate for drm bridge\n");
- return -ENOMEM;
- }
-
- dp->bridge = bridge;
-
- bridge->driver_private = dp;
- bridge->funcs = &analogix_dp_bridge_funcs;
+ dp->bridge.funcs = &analogix_dp_bridge_funcs;

- ret = drm_bridge_attach(dp->encoder, bridge, NULL);
- if (ret) {
- DRM_ERROR("failed to attach drm bridge\n");
+ ret = drm_bridge_attach(dp->encoder, &dp->bridge, NULL);
+ if (ret)
return -EINVAL;
- }

return 0;
}
@@ -1757,9 +1745,9 @@ analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,

pm_runtime_enable(dev);

- ret = analogix_dp_create_bridge(drm_dev, dp);
+ ret = analogix_dp_attach_bridge(drm_dev, dp);
if (ret) {
- DRM_ERROR("failed to create bridge (%d)\n", ret);
+ DRM_ERROR("failed to attach bridge (%d)\n", ret);
goto err_disable_pm_runtime;
}

@@ -1775,7 +1763,7 @@ EXPORT_SYMBOL_GPL(analogix_dp_bind);

void analogix_dp_unbind(struct analogix_dp_device *dp)
{
- analogix_dp_bridge_disable(dp->bridge);
+ analogix_dp_bridge_disable(&dp->bridge);
dp->connector.funcs->destroy(&dp->connector);

if (dp->plat_data->panel) {
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
index c051502d7fbf..aae4110c7bf9 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
@@ -9,6 +9,9 @@
#ifndef _ANALOGIX_DP_CORE_H
#define _ANALOGIX_DP_CORE_H

+#include <linux/kernel.h>
+
+#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_dp_helper.h>

@@ -159,7 +162,7 @@ struct analogix_dp_device {
struct device *dev;
struct drm_device *drm_dev;
struct drm_connector connector;
- struct drm_bridge *bridge;
+ struct drm_bridge bridge;
struct drm_dp_aux aux;
struct clk *clock;
unsigned int irq;
@@ -180,6 +183,9 @@ struct analogix_dp_device {
struct analogix_dp_plat_data *plat_data;
};

+#define bridge_to_analogix_dp_device(b) \
+ container_of((b), struct analogix_dp_device, bridge)
+
/* analogix_dp_reg.c */
void analogix_dp_enable_video_mute(struct analogix_dp_device *dp, bool enable);
void analogix_dp_stop_video(struct analogix_dp_device *dp);
--
2.24.0
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