It's deprecated and only should be used by drivers which still use
drm_platform_init, not by anyone else.

And indeed it's entirely unused and can be nuked.

This required a bit more fudging, but I guess kirin_dc_ops really
wants to operate on the platform_device, not something else. Also
bonus points for implementing abstraction, and then storing the vfunc
in a global variable.

Cc: Xinliang Liu <xinliang.liu at linaro.org>
Cc: Xinwei Kong <kong.kongxinwei at hisilicon.com>
Cc: Archit Taneja <architt at codeaurora.org>
Reviewed-by: Sean Paul <seanpaul at chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 10 +++++-----
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c |  6 ++----
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h |  4 ++--
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c 
b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
index c3707d47cd89..34c22823e5c2 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
@@ -987,9 +987,9 @@ static int ade_dts_parse(struct platform_device *pdev, 
struct ade_hw_ctx *ctx)
        return 0;
 }

-static int ade_drm_init(struct drm_device *dev)
+static int ade_drm_init(struct platform_device *pdev)
 {
-       struct platform_device *pdev = dev->platformdev;
+       struct drm_device *drm_dev = platform_get_drvdata(dev);
        struct ade_data *ade;
        struct ade_hw_ctx *ctx;
        struct ade_crtc *acrtc;
@@ -1048,9 +1048,9 @@ static int ade_drm_init(struct drm_device *dev)
        return 0;
 }

-static void ade_drm_cleanup(struct drm_device *dev)
+static void ade_drm_cleanup(struct platform_device *pdev)
 {
-       struct platform_device *pdev = dev->platformdev;
+       struct drm_device *drm_dev = platform_get_drvdata(dev);
        struct ade_data *ade = platform_get_drvdata(pdev);
        struct drm_crtc *crtc = &ade->acrtc.base;

@@ -1060,4 +1060,4 @@ static void ade_drm_cleanup(struct drm_device *dev)
 const struct kirin_dc_ops ade_dc_ops = {
        .init = ade_drm_init,
        .cleanup = ade_drm_cleanup
-};
+;
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c 
b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 1edd9bc80294..a31016af9b61 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -41,7 +41,7 @@ static int kirin_drm_kms_cleanup(struct drm_device *dev)
 #endif
        drm_kms_helper_poll_fini(dev);
        drm_vblank_cleanup(dev);
-       dc_ops->cleanup(dev);
+       dc_ops->cleanup(to_platform_device(dev->dev));
        drm_mode_config_cleanup(dev);
        devm_kfree(dev->dev, priv);
        dev->dev_private = NULL;
@@ -103,7 +103,7 @@ static int kirin_drm_kms_init(struct drm_device *dev)
        kirin_drm_mode_config_init(dev);

        /* display controller init */
-       ret = dc_ops->init(dev);
+       ret = dc_ops->init(to_platform_device(dev));
        if (ret)
                goto err_mode_config_cleanup;

@@ -210,8 +210,6 @@ static int kirin_drm_bind(struct device *dev)
        if (!drm_dev)
                return -ENOMEM;

-       drm_dev->platformdev = to_platform_device(dev);
-
        ret = kirin_drm_kms_init(drm_dev);
        if (ret)
                goto err_drm_dev_unref;
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h 
b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
index 1a07caf8e7f4..a0bb217c4c64 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
@@ -15,8 +15,8 @@

 /* display controller init/cleanup ops */
 struct kirin_dc_ops {
-       int (*init)(struct drm_device *dev);
-       void (*cleanup)(struct drm_device *dev);
+       int (*init)(struct platform_device *pdev);
+       void (*cleanup)(struct platform_device *pdev);
 };

 struct kirin_drm_private {
-- 
2.8.1

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