drm: Add support for platform devices to register as DRM devices (dcdb1674) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/gpu/drm/Kconfig

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -6,7 +6,7 @@
	#		#
	menuconfig DRM		menuconfig DRM
	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"		tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
	depends on (AGP \|\| AGP=n) && PCI && !EMULATED_CMPXCHG && MMU		depends on (AGP \|\| AGP=n) && !EMULATED_CMPXCHG && MMU
	select I2C		select I2C
	select I2C_ALGOBIT		select I2C_ALGOBIT
	select SLOW_WORK		select SLOW_WORK
	@@ -17,7 +17,7 @@ menuconfig DRM
	These modules provide support for synchronization, security, and		These modules provide support for synchronization, security, and
	DMA transfers. Please see <http://dri.sourceforge.net/> for more		DMA transfers. Please see <http://dri.sourceforge.net/> for more
	details. You should also select and configure AGP		details. You should also select and configure AGP
	(/dev/agpgart) support.		(/dev/agpgart) support if it is available for your platform.

	config DRM_KMS_HELPER		config DRM_KMS_HELPER
	tristate		tristate

drivers/gpu/drm/Makefile

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -9,7 +9,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
	drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \		drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
	drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \		drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
	drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \		drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
	drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \		drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
	drm_crtc.o drm_modes.o drm_edid.o \		drm_crtc.o drm_modes.o drm_edid.o \
	drm_info.o drm_debugfs.o drm_encoder_slave.o		drm_info.o drm_debugfs.o drm_encoder_slave.o

drivers/gpu/drm/drm_drv.c

+5 −32

Original line number	Original line	Diff line number	Diff line
	@@ -243,47 +243,20 @@ int drm_lastclose(struct drm_device * dev)
	*		*
	* Initializes an array of drm_device structures, and attempts to		* Initializes an array of drm_device structures, and attempts to
	* initialize all available devices, using consecutive minors, registering the		* initialize all available devices, using consecutive minors, registering the
	* stubs and initializing the AGP device.		* stubs and initializing the device.
	*		*
	* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and		* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
	* after the initialization for driver customization.		* after the initialization for driver customization.
	*/		*/
	int drm_init(struct drm_driver *driver)		int drm_init(struct drm_driver *driver)
	{		{
	struct pci_dev *pdev = NULL;
	const struct pci_device_id *pid;
	int i;

	DRM_DEBUG("\n");		DRM_DEBUG("\n");

	INIT_LIST_HEAD(&driver->device_list);		INIT_LIST_HEAD(&driver->device_list);

	if (driver->driver_features & DRIVER_MODESET)		if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE)
	return pci_register_driver(&driver->pci_driver);		return drm_platform_init(driver);
			else
	/* If not using KMS, fall back to stealth mode manual scanning. */		return drm_pci_init(driver);
	for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
	pid = &driver->pci_driver.id_table[i];

	/* Loop around setting up a DRM device for each PCI device
	* matching our ID and device class. If we had the internal
	* function that pci_get_subsys and pci_get_class used, we'd
	* be able to just pass pid in instead of doing a two-stage
	* thing.
	*/
	pdev = NULL;
	while ((pdev =
	pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
	pid->subdevice, pdev)) != NULL) {
	if ((pdev->class & pid->class_mask) != pid->class)
	continue;

	/* stealth mode requires a manual probe */
	pci_dev_get(pdev);
	drm_get_dev(pdev, pid, driver);
	}
	}
	return 0;
	}		}

	EXPORT_SYMBOL(drm_init);		EXPORT_SYMBOL(drm_init);

drivers/gpu/drm/drm_edid.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -282,7 +282,7 @@ drm_do_get_edid(struct drm_connector connector, struct i2c_adapter adapter)
	return block;		return block;

	carp:		carp:
	dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n",		dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
	drm_get_connector_name(connector), j);		drm_get_connector_name(connector), j);

	out:		out:
	@@ -1626,7 +1626,7 @@ int drm_add_edid_modes(struct drm_connector connector, struct edid edid)
	return 0;		return 0;
	}		}
	if (!drm_edid_is_valid(edid)) {		if (!drm_edid_is_valid(edid)) {
	dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",		dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
	drm_get_connector_name(connector));		drm_get_connector_name(connector));
	return 0;		return 0;
	}		}

drivers/gpu/drm/drm_info.c

+17 −6

Original line number	Original line	Diff line number	Diff line
	@@ -51,13 +51,24 @@ int drm_name_info(struct seq_file m, void data)
	if (!master)		if (!master)
	return 0;		return 0;

			if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
			if (master->unique) {
			seq_printf(m, "%s %s %s\n",
			dev->driver->platform_device->name,
			dev_name(dev->dev), master->unique);
			} else {
			seq_printf(m, "%s\n",
			dev->driver->platform_device->name);
			}
			} else {
	if (master->unique) {		if (master->unique) {
	seq_printf(m, "%s %s %s\n",		seq_printf(m, "%s %s %s\n",
	dev->driver->pci_driver.name,		dev->driver->pci_driver.name,
	pci_name(dev->pdev), master->unique);		dev_name(dev->dev), master->unique);
	} else {		} else {
	seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,		seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
	pci_name(dev->pdev));		dev_name(dev->dev));
			}
	}		}

	return 0;		return 0;