path: root/drivers/gpu/Makefile
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2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <> Signed-off-by: Greg Kroah-Hartman <>
2015-01-27gpu: host1x: Provide a proper struct bus_typeThierry Reding1-1/+4
Previously the struct bus_type exported by the host1x infrastructure was only a very basic skeleton. Turn that implementation into a more full- fledged bus to support proper probe ordering and power management. Note that the bus infrastructure needs to be available before any of the drivers can be registered. This is automatically ensured if all drivers are built as loadable modules (via symbol dependencies). If all drivers are built-in there are no such guarantees and the link order determines the initcall ordering. Adjust drivers/gpu/Makefile to make sure that the host1x bus infrastructure is initialized prior to any of its users (only drm/tegra currently). v2: Fix building host1x and tegra-drm as modules Reported-by: Dave Airlie <> Reviewed-by: Sean Paul <> Reviewed-by: Mark Zhang <> Signed-off-by: Thierry Reding <>
2014-06-04gpu: ipu-v3: Move i.MX IPUv3 core driver out of stagingPhilipp Zabel1-0/+1
The i.MX Image Processing Unit (IPU) contains a number of image processing blocks that sit right in the middle between DRM and V4L2. Some of the modules, such as Display Controller, Processor, and Interface (DC, DP, DI) or CMOS Sensor Interface (CSI) and their FIFOs could be assigned to either framework, but others, such as the dma controller (IDMAC) and image converter (IC) can be used by both. The IPUv3 core driver provides an internal API to access the modules, to be used by both DRM and V4L2 IPUv3 drivers. Signed-off-by: Lucas Stach <> Signed-off-by: Philipp Zabel <> Acked-by: Greg Kroah-Hartman <>
2013-04-22gpu: host1x: Add host1x driverTerje Bergstrom1-0/+1
Add host1x, the driver for host1x and its client unit 2D. The Tegra host1x module is the DMA engine for register access to Tegra's graphics- and multimedia-related modules. The modules served by host1x are referred to as clients. host1x includes some other functionality, such as synchronization. Signed-off-by: Arto Merilainen <> Signed-off-by: Terje Bergstrom <> Reviewed-by: Thierry Reding <> Tested-by: Thierry Reding <> Tested-by: Erik Faye-Lund <> Signed-off-by: Thierry Reding <>
2013-02-20gpu: remove gma500 stub driverLee, Chun-Yi1-1/+1
In v3.3, the gma500 drm driver moved from staging to drm group by Alan Cox's 3abcf41fb patch. the gma500 drm driver should control brightness well and don't need gma500 stub driver anymore. Reference: Acked-by: Matthew Garrett <> Acked-by: Greg Kroah-Hartman <> Signed-off-by: Lee, Chun-Yi <> Signed-off-by: Dave Airlie <>
2010-10-26gpu: Add Intel GMA500(Poulsbo) Stub DriverLee, Chun-Yi1-1/+1
Currently, there have no GMA500(Poulsbo) native video driver to support intel opregion. So, use this stub driver to enable the acpi backlight control sysfs entry files by requrest acpi_video_register. [airlied: fix warnings] Signed-off-by: Lee, Chun-Yi <> Signed-off-by: Dave Airlie <>
2009-09-09PCI/GPU: implement VGA arbitration on LinuxBenjamin Herrenschmidt1-1/+1
Background: Graphic devices are accessed through ranges in I/O or memory space. While most modern devices allow relocation of such ranges, some "Legacy" VGA devices implemented on PCI will typically have the same "hard-decoded" addresses as they did on ISA. For more details see "PCI Bus Binding to IEEE Std 1275-1994 Standard for Boot (Initialization Configuration) Firmware Revision 2.1" Section 7, Legacy Devices. The Resource Access Control (RAC) module inside the X server currently does the task of arbitration when more than one legacy device co-exists on the same machine. But the problem happens when these devices are trying to be accessed by different userspace clients (e.g. two server in parallel). Their address assignments conflict. Therefore an arbitration scheme _outside_ of the X server is needed to control the sharing of these resources. This document introduces the operation of the VGA arbiter implemented for Linux kernel. Signed-off-by: Benjamin Herrenschmidt <> Signed-off-by: Tiago Vignatti <> Signed-off-by: Dave Airlie <> Signed-off-by: Jesse Barnes <>
2008-07-14drm: reorganise drm tree to be more future proof.Dave Airlie1-0/+1
With the coming of kernel based modesetting and the memory manager stuff, the everything in one directory approach was getting very ugly and starting to be unmanageable. This restructures the drm along the lines of other kernel components. It creates a drivers/gpu/drm directory and moves the hw drivers into subdirectores. It moves the includes into an include/drm, and sets up the unifdef for the userspace headers we should be exporting. Signed-off-by: Dave Airlie <>