drm/arm/malidp: replace drm->dev_private with drm_to_malidp()

Using drm_device->dev_private is deprecated. Since we've switched to
devm_drm_dev_alloc(), struct drm_device is now embedded in struct
malidp_drm, hence we can use container_of() to get the struct drm_device
instance instead.
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221026155934.125294-3-dakr@redhat.com

drivers/gpu/drm/arm/malidp_crtc.c

@@ -526,7 +526,7 @@ static const struct drm_crtc_funcs malidp_crtc_funcs = {
 
 int malidp_crtc_init(struct drm_device *drm)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct drm_plane *primary = NULL, *plane;
 	int ret;
 

drivers/gpu/drm/arm/malidp_drv.c

@@ -169,7 +169,7 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc,
  */
 static int malidp_set_and_wait_config_valid(struct drm_device *drm)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 	int ret;
 
@@ -190,7 +190,7 @@ static int malidp_set_and_wait_config_valid(struct drm_device *drm)
 static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state)
 {
 	struct drm_device *drm = state->dev;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	int loop = 5;
 
 	malidp->event = malidp->crtc.state->event;
@@ -231,7 +231,7 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state)
 static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
 {
 	struct drm_device *drm = state->dev;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state;
 	int i;
@@ -393,7 +393,7 @@ static const struct drm_mode_config_funcs malidp_mode_config_funcs = {
 static int malidp_init(struct drm_device *drm)
 {
 	int ret;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 
 	drm_mode_config_init(drm);
@@ -429,7 +429,7 @@ static int malidp_irq_init(struct platform_device *pdev)
 {
 	int irq_de, irq_se, ret = 0;
 	struct drm_device *drm = dev_get_drvdata(&pdev->dev);
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 
 	/* fetch the interrupts from DT */
@@ -463,7 +463,7 @@ static int malidp_dumb_create(struct drm_file *file_priv,
 			      struct drm_device *drm,
 			      struct drm_mode_create_dumb *args)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	/* allocate for the worst case scenario, i.e. rotated buffers */
 	u8 alignment = malidp_hw_get_pitch_align(malidp->dev, 1);
 
@@ -509,7 +509,7 @@ static void malidp_error_stats_dump(const char *prefix,
 static int malidp_show_stats(struct seq_file *m, void *arg)
 {
 	struct drm_device *drm = m->private;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	unsigned long irqflags;
 	struct malidp_error_stats de_errors, se_errors;
 
@@ -532,7 +532,7 @@ static ssize_t malidp_debugfs_write(struct file *file, const char __user *ubuf,
 {
 	struct seq_file *m = file->private_data;
 	struct drm_device *drm = m->private;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&malidp->errors_lock, irqflags);
@@ -553,7 +553,7 @@ static const struct file_operations malidp_debugfs_fops = {
 
 static void malidp_debugfs_init(struct drm_minor *minor)
 {
-	struct malidp_drm *malidp = minor->dev->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(minor->dev);
 
 	malidp_error_stats_init(&malidp->de_errors);
 	malidp_error_stats_init(&malidp->se_errors);
@@ -653,7 +653,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 
 	return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
 }
@@ -671,7 +671,7 @@ ATTRIBUTE_GROUPS(mali_dp);
 static int malidp_runtime_pm_suspend(struct device *dev)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 
 	/* we can only suspend if the hardware is in config mode */
@@ -690,7 +690,7 @@ static int malidp_runtime_pm_suspend(struct device *dev)
 static int malidp_runtime_pm_resume(struct device *dev)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 
 	clk_prepare_enable(hwdev->pclk);
@@ -756,7 +756,6 @@ static int malidp_bind(struct device *dev)
 	if (ret && ret != -ENODEV)
 		return ret;
 
-	drm->dev_private = malidp;
 	dev_set_drvdata(dev, drm);
 
 	/* Enable power management */
@@ -882,7 +881,6 @@ static int malidp_bind(struct device *dev)
 		pm_runtime_disable(dev);
 	else
 		malidp_runtime_pm_suspend(dev);
-	drm->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
 	of_reserved_mem_device_release(dev);
 
@@ -892,7 +890,7 @@ static int malidp_bind(struct device *dev)
 static void malidp_unbind(struct device *dev)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 
 	drm_dev_unregister(drm);
@@ -910,7 +908,6 @@ static void malidp_unbind(struct device *dev)
 		pm_runtime_disable(dev);
 	else
 		malidp_runtime_pm_suspend(dev);
-	drm->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
 	of_reserved_mem_device_release(dev);
 }

drivers/gpu/drm/arm/malidp_drv.h

@@ -45,6 +45,7 @@ struct malidp_drm {
 #endif
 };
 
+#define drm_to_malidp(x) container_of(x, struct malidp_drm, base)
 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
 
 struct malidp_plane {

drivers/gpu/drm/arm/malidp_hw.c

@@ -1168,7 +1168,7 @@ static void malidp_hw_clear_irq(struct malidp_hw_device *hwdev, u8 block, u32 ir
 static irqreturn_t malidp_de_irq(int irq, void *arg)
 {
 	struct drm_device *drm = arg;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev;
 	struct malidp_hw *hw;
 	const struct malidp_irq_map *de;
@@ -1226,7 +1226,7 @@ static irqreturn_t malidp_de_irq(int irq, void *arg)
 static irqreturn_t malidp_de_irq_thread_handler(int irq, void *arg)
 {
 	struct drm_device *drm = arg;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 
 	wake_up(&malidp->wq);
 
@@ -1252,7 +1252,7 @@ void malidp_de_irq_hw_init(struct malidp_hw_device *hwdev)
 
 int malidp_de_irq_init(struct drm_device *drm, int irq)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 	int ret;
 
@@ -1286,7 +1286,7 @@ void malidp_de_irq_fini(struct malidp_hw_device *hwdev)
 static irqreturn_t malidp_se_irq(int irq, void *arg)
 {
 	struct drm_device *drm = arg;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 	struct malidp_hw *hw = hwdev->hw;
 	const struct malidp_irq_map *se = &hw->map.se_irq_map;
@@ -1363,7 +1363,7 @@ static irqreturn_t malidp_se_irq_thread_handler(int irq, void *arg)
 
 int malidp_se_irq_init(struct drm_device *drm, int irq)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct malidp_hw_device *hwdev = malidp->dev;
 	int ret;
 

drivers/gpu/drm/arm/malidp_mw.c

@@ -129,7 +129,7 @@ malidp_mw_encoder_atomic_check(struct drm_encoder *encoder,
 			       struct drm_connector_state *conn_state)
 {
 	struct malidp_mw_connector_state *mw_state = to_mw_state(conn_state);
-	struct malidp_drm *malidp = encoder->dev->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(encoder->dev);
 	struct drm_framebuffer *fb;
 	int i, n_planes;
 
@@ -207,7 +207,7 @@ static u32 *get_writeback_formats(struct malidp_drm *malidp, int *n_formats)
 
 int malidp_mw_connector_init(struct drm_device *drm)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	u32 *formats;
 	int ret, n_formats;
 
@@ -236,7 +236,7 @@ int malidp_mw_connector_init(struct drm_device *drm)
 void malidp_mw_atomic_commit(struct drm_device *drm,
 			     struct drm_atomic_state *old_state)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	struct drm_writeback_connector *mw_conn = &malidp->mw_connector;
 	struct drm_connector_state *conn_state = mw_conn->base.state;
 	struct malidp_hw_device *hwdev = malidp->dev;

drivers/gpu/drm/arm/malidp_planes.c

@@ -151,7 +151,7 @@ bool malidp_format_mod_supported(struct drm_device *drm,
 {
 	const struct drm_format_info *info;
 	const u64 *modifiers;
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	const struct malidp_hw_regmap *map = &malidp->dev->hw->map;
 
 	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))
@@ -931,7 +931,7 @@ static const uint64_t linear_only_modifiers[] = {
 
 int malidp_de_planes_init(struct drm_device *drm)
 {
-	struct malidp_drm *malidp = drm->dev_private;
+	struct malidp_drm *malidp = drm_to_malidp(drm);
 	const struct malidp_hw_regmap *map = &malidp->dev->hw->map;
 	struct malidp_plane *plane = NULL;
 	enum drm_plane_type plane_type;