drm/komeda: Add sysfs attribute: core_id and config_id (55223394) · Commits · 戴 / test

drivers/gpu/drm/arm/display/include/malidp_product.h

+12 −0

Original line number	Original line	Diff line number	Diff line
	@@ -20,4 +20,16 @@
	/* Mali-display product IDs */		/* Mali-display product IDs */
	#define MALIDP_D71_PRODUCT_ID 0x0071		#define MALIDP_D71_PRODUCT_ID 0x0071

			union komeda_config_id {
			struct {
			__u32 max_line_sz:16,
			n_pipelines:2,
			n_scalers:2, /* number of scalers per pipeline */
			n_layers:3, /* number of layers per pipeline */
			n_richs:3, /* number of rich layers per pipeline */
			reserved_bits:6;
			};
			__u32 value;
			};

	#endif /* _MALIDP_PRODUCT_H_ */		#endif /* _MALIDP_PRODUCT_H_ */

drivers/gpu/drm/arm/display/komeda/komeda_dev.c

+50 −0

Original line number	Original line	Diff line number	Diff line
	@@ -59,6 +59,48 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
	}		}
	#endif		#endif

			static ssize_t
			core_id_show(struct device dev, struct device_attribute attr, char *buf)
			{
			struct komeda_dev *mdev = dev_to_mdev(dev);

			return snprintf(buf, PAGE_SIZE, "0x%08x\n", mdev->chip.core_id);
			}
			static DEVICE_ATTR_RO(core_id);

			static ssize_t
			config_id_show(struct device dev, struct device_attribute attr, char *buf)
			{
			struct komeda_dev *mdev = dev_to_mdev(dev);
			struct komeda_pipeline *pipe = mdev->pipelines[0];
			union komeda_config_id config_id;
			int i;

			memset(&config_id, 0, sizeof(config_id));

			config_id.max_line_sz = pipe->layers[0]->hsize_in.end;
			config_id.n_pipelines = mdev->n_pipelines;
			config_id.n_scalers = pipe->n_scalers;
			config_id.n_layers = pipe->n_layers;
			config_id.n_richs = 0;
			for (i = 0; i < pipe->n_layers; i++) {
			if (pipe->layers[i]->layer_type == KOMEDA_FMT_RICH_LAYER)
			config_id.n_richs++;
			}
			return snprintf(buf, PAGE_SIZE, "0x%08x\n", config_id.value);
			}
			static DEVICE_ATTR_RO(config_id);

			static struct attribute *komeda_sysfs_entries[] = {
			&dev_attr_core_id.attr,
			&dev_attr_config_id.attr,
			NULL,
			};

			static struct attribute_group komeda_sysfs_attr_group = {
			.attrs = komeda_sysfs_entries,
			};

	static int komeda_parse_pipe_dt(struct komeda_dev mdev, struct device_node np)		static int komeda_parse_pipe_dt(struct komeda_dev mdev, struct device_node np)
	{		{
	struct komeda_pipeline *pipe;		struct komeda_pipeline *pipe;
	@@ -207,6 +249,12 @@ struct komeda_dev komeda_dev_create(struct device dev)
	goto err_cleanup;		goto err_cleanup;
	}		}

			err = sysfs_create_group(&dev->kobj, &komeda_sysfs_attr_group);
			if (err) {
			DRM_ERROR("create sysfs group failed.\n");
			goto err_cleanup;
			}

	#ifdef CONFIG_DEBUG_FS		#ifdef CONFIG_DEBUG_FS
	komeda_debugfs_init(mdev);		komeda_debugfs_init(mdev);
	#endif		#endif
	@@ -224,6 +272,8 @@ void komeda_dev_destroy(struct komeda_dev *mdev)
	struct komeda_dev_funcs *funcs = mdev->funcs;		struct komeda_dev_funcs *funcs = mdev->funcs;
	int i;		int i;

			sysfs_remove_group(&dev->kobj, &komeda_sysfs_attr_group);

	#ifdef CONFIG_DEBUG_FS		#ifdef CONFIG_DEBUG_FS
	debugfs_remove_recursive(mdev->debugfs_root);		debugfs_remove_recursive(mdev->debugfs_root);
	#endif		#endif

drivers/gpu/drm/arm/display/komeda/komeda_dev.h

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -190,4 +190,6 @@ d71_identify(u32 __iomem reg, struct komeda_chip_info chip);
	struct komeda_dev komeda_dev_create(struct device dev);		struct komeda_dev komeda_dev_create(struct device dev);
	void komeda_dev_destroy(struct komeda_dev *mdev);		void komeda_dev_destroy(struct komeda_dev *mdev);

			struct komeda_dev dev_to_mdev(struct device dev);

	#endif /_KOMEDA_DEV_H_/		#endif /_KOMEDA_DEV_H_/

drivers/gpu/drm/arm/display/komeda/komeda_drv.c

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -17,6 +17,13 @@ struct komeda_drv {
	struct komeda_kms_dev *kms;		struct komeda_kms_dev *kms;
	};		};

			struct komeda_dev dev_to_mdev(struct device dev)
			{
			struct komeda_drv *mdrv = dev_get_drvdata(dev);

			return mdrv ? mdrv->mdev : NULL;
			}

	static void komeda_unbind(struct device *dev)		static void komeda_unbind(struct device *dev)
	{		{
	struct komeda_drv *mdrv = dev_get_drvdata(dev);		struct komeda_drv *mdrv = dev_get_drvdata(dev);

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