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drm/bridge: analogix: Do not use device's drvdata

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The driver that instantiates the bridge should own the drvdata, as all
driver model callbacks (probe, remove, shutdown, PM ops, etc.) are also
owned by its driver struct. Moreover, storing two different pointer
types in driver data depending on driver initialization status is barely
a good practice and in fact has led to many bugs in this driver.

Let's clean up this mess and change Analogix entry points to simply
accept some opaque struct pointer, adjusting their users at the same
time to avoid breaking the compilation.

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20180110162348.22765-2-thierry.escande@collabora.com
This commit is contained in:
Jeffy Chen
2018-01-10 17:23:41 +01:00
committed by Heiko Stuebner
parent ce91d373d8
commit 6b2d8fd98d
4 changed files with 74 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
include/drm/bridge/analogix_dp.h
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@@ -13,6 +13,8 @@
#include <drm/drm_crtc.h>
struct analogix_dp_device;
enum analogix_dp_devtype {
EXYNOS_DP,
RK3288_DP,
@@ -38,16 +40,17 @@ struct analogix_dp_plat_data {
struct drm_connector *);
};
int analogix_dp_psr_supported(struct device *dev);
int analogix_dp_enable_psr(struct device *dev);
int analogix_dp_disable_psr(struct device *dev);
int analogix_dp_psr_supported(struct analogix_dp_device *dp);
int analogix_dp_enable_psr(struct analogix_dp_device *dp);
int analogix_dp_disable_psr(struct analogix_dp_device *dp);
int analogix_dp_resume(struct device *dev);
int analogix_dp_suspend(struct device *dev);
int analogix_dp_resume(struct analogix_dp_device *dp);
int analogix_dp_suspend(struct analogix_dp_device *dp);
int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
struct analogix_dp_plat_data *plat_data);
void analogix_dp_unbind(struct device *dev, struct device *master, void *data);
struct analogix_dp_device *
analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
struct analogix_dp_plat_data *plat_data);
void analogix_dp_unbind(struct analogix_dp_device *dp);
int analogix_dp_start_crc(struct drm_connector *connector);
int analogix_dp_stop_crc(struct drm_connector *connector);