linux

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History

Keith Packard b620fec43e drm/i915: Wrap DP EDID fetch functions to enable eDP panel power commit `8c241fef3e` upstream. Talking to the eDP DDC channel requires that the panel be powered up. Wrap both the EDID and modes fetch code with calls to turn the vdd power on and back off. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2011-11-11 09:35:19 -08:00
..
i2c
i810
i915	drm/i915: Wrap DP EDID fetch functions to enable eDP panel power	2011-11-11 09:35:19 -08:00
mga	alpha, drm: Remove obsolete Alpha support in MGA DRM code	2011-06-14 09:32:56 +10:00
nouveau	drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate	2011-10-03 11:40:14 -07:00
r128
radeon	drm/radeon/kms/atom: fix handling of FB scratch indices	2011-10-25 07:10:14 +02:00
savage	savage: remove unnecessary if statement	2011-06-14 09:29:12 +10:00
sis
tdfx
ttm	drm/ttm: unbind ttm before destroying node in accel move cleanup	2011-10-25 07:10:15 +02:00
via
vmwgfx
ati_pcigart.c
drm_agpsupport.c
drm_auth.c
drm_buffer.c
drm_bufs.c	drm: Compare only lower 32 bits of framebuffer map offsets	2011-06-14 11:09:54 +10:00
drm_cache.c
drm_context.c
drm_crtc_helper.c
drm_crtc.c	drm/kms: allow drm_mode_group with no objects	2011-07-07 17:49:00 +10:00
drm_debugfs.c
drm_dma.c
drm_dp_i2c_helper.c
drm_drv.c
drm_edid_modes.h
drm_edid.c	drm: Separate EDID Header Check from EDID Block Check	2011-08-15 18:31:34 -07:00
drm_encoder_slave.c
drm_fb_helper.c	drm: Take lock around probes for drm_fb_helper_hotplug_event	2011-05-16 12:01:43 +10:00
drm_fops.c
drm_gem.c	drm/i915: use shmem_read_mapping_page	2011-06-27 18:00:13 -07:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_ioc32.c	drivers/gpu/drm: use printk_ratelimited instead of printk_ratelimit	2011-06-16 16:32:15 +10:00
drm_ioctl.c
drm_irq.c
drm_lock.c
drm_memory.c
drm_mm.c
drm_modes.c
drm_pci.c	drm: populate irq_by_busid-member for pci	2011-06-16 16:26:45 +10:00
drm_platform.c
drm_proc.c
drm_scatter.c
drm_sman.c
drm_stub.c
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_usb.c
drm_vm.c	alpha/drm: Cleanup Alpha support in DRM generic code	2011-06-14 09:31:37 +10:00
Kconfig
Makefile
README.drm

README.drm

************************************************************
* For the very latest on DRI development, please see:      *
*     http://dri.freedesktop.org/                          *
************************************************************

The Direct Rendering Manager (drm) is a device-independent kernel-level
device driver that provides support for the XFree86 Direct Rendering
Infrastructure (DRI).

The DRM supports the Direct Rendering Infrastructure (DRI) in four major
ways:

    1. The DRM provides synchronized access to the graphics hardware via
       the use of an optimized two-tiered lock.

    2. The DRM enforces the DRI security policy for access to the graphics
       hardware by only allowing authenticated X11 clients access to
       restricted regions of memory.

    3. The DRM provides a generic DMA engine, complete with multiple
       queues and the ability to detect the need for an OpenGL context
       switch.

    4. The DRM is extensible via the use of small device-specific modules
       that rely extensively on the API exported by the DRM module.


Documentation on the DRI is available from:
    http://dri.freedesktop.org/wiki/Documentation
    http://sourceforge.net/project/showfiles.php?group_id=387
    http://dri.sourceforge.net/doc/

For specific information about kernel-level support, see:

    The Direct Rendering Manager, Kernel Support for the Direct Rendering
    Infrastructure
    http://dri.sourceforge.net/doc/drm_low_level.html

    Hardware Locking for the Direct Rendering Infrastructure
    http://dri.sourceforge.net/doc/hardware_locking_low_level.html

    A Security Analysis of the Direct Rendering Infrastructure
    http://dri.sourceforge.net/doc/security_low_level.html