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4dd6a89795
linux_dsm_epyc7002/drivers/gpu/drm
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Patrik Jakobsson 4dd6a89795 drm/gma500: Check connector status before restoring sdvo 
This patch fixes a bug introduced by:

commit 749387dc8d
Author: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date:   Sun Apr 7 16:35:50 2013 +0200
drm/gma500: Fix hibernation problems on sdvo encoders

The bug is triggered when we do a mode set on a sdvo encoder with all
connectors in the disconnected state. A crtc is considered enabled by
drm even though all of its connectors are disconnected. Work around
this by adding a check in our sdvo restore function.

Also remove the unneeded dpms on. Prepare and Commit will take care of
that.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-04-15 23:38:06 +02:00
..
ast drm/<drivers>: simplify ->fb_probe callback 2013-02-14 00:07:58 +01:00
cirrus drm/<drivers>: simplify ->fb_probe callback 2013-02-14 00:07:58 +01:00
exynos drm/exynos: Add device tree based discovery support for G2D 2013-02-21 15:00:27 +09:00
gma500 drm/gma500: Check connector status before restoring sdvo 2013-04-15 23:38:06 +02:00
i2c drm/i2c: nxp-tda998x (v3) 2013-02-19 17:57:44 -05:00
i810
i915 Merge branch 'drm/hdmi-for-3.9' of git://anongit.freedesktop.org/tegra/linux into drm-next 2013-02-24 12:39:42 +10:00
mga
mgag200 drm/<drivers>: simplify ->fb_probe callback 2013-02-14 00:07:58 +01:00
nouveau Merge branch 'tilcdc-next' of git://people.freedesktop.org/~robclark/linux into drm-next 2013-02-21 09:31:47 +10:00
omapdrm drm/omap: remove fbdev debug enter/leave hooks 2013-02-16 18:14:04 -05:00
r128
radeon drm/radeon: Use generic HDMI infoframe helpers 2013-02-22 08:20:20 +01:00
savage
shmobile drm/shmobile: use drm_modeset_lock_all 2013-01-20 22:16:51 +01:00
sis
tdfx
tegra Merge branch 'drm/hdmi-for-3.9' of git://anongit.freedesktop.org/tegra/linux into drm-next 2013-02-24 12:39:42 +10:00
tilcdc drm/tilcdc: only build on arm 2013-02-26 09:54:48 +10:00
ttm Merge branch 'for-airlied' of git://people.freedesktop.org/~mlankhorst/linux into drm-next 2013-02-08 14:02:32 +10:00
udl drm/<drivers>: simplify ->fb_probe callback 2013-02-14 00:07:58 +01:00
via
vmwgfx Merge branch 'for-airlied' of git://people.freedesktop.org/~mlankhorst/linux into drm-next 2013-02-08 14:02:32 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_auth.c
drm_buffer.c
drm_bufs.c
drm_cache.c
drm_context.c
drm_crtc_helper.c drm: don't hold crtc mutexes for connector ->detect callbacks 2013-01-20 22:17:15 +01:00
drm_crtc.c drm: Add consistency check for page-flipping 2013-02-22 08:21:07 +01:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c drm/doc: add new dp helpers into drm DocBook 2012-11-28 20:26:53 +10:00
drm_drv.c
drm_edid_load.c
drm_edid.c drm: Add HDMI infoframe helpers 2013-02-22 08:20:10 +01:00
drm_encoder_slave.c drm: i2c encoder helper wrappers 2013-02-17 17:55:42 -05:00
drm_fb_cma_helper.c Merge branch 'tilcdc-next' of git://people.freedesktop.org/~robclark/linux into drm-next 2013-02-21 09:31:47 +10:00
drm_fb_helper.c drm/fb-helper: don't sleep for screen unblank when an oopps is in progress 2013-02-14 00:08:33 +01:00
drm_fops.c drm: revamp locking around fb creation/destruction 2013-01-20 22:16:58 +01:00
drm_gem_cma_helper.c drm/cma: add debugfs helpers 2013-02-17 17:55:42 -05:00
drm_gem.c
drm_global.c
drm_hashtab.c drm: Add a hash-tab rcu-safe API 2012-11-28 18:36:05 +10:00
drm_info.c
drm_ioc32.c
drm_ioctl.c drm: add support for monotonic vblank timestamps 2012-11-20 16:06:16 +10:00
drm_irq.c drm: small fix in drm_send_vblank_event() 2013-02-17 17:55:42 -05:00
drm_lock.c
drm_memory.c
drm_mm.c Merge branch 'drm-kms-locking' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-01-21 07:44:58 +10:00
drm_modes.c drm_modes: add of_videomode helpers 2013-01-24 09:04:14 +01:00
drm_pci.c drm/pci: define drm_pcie_get_speed_cap_mask() only when CONFIG_PCI=y 2013-02-15 10:15:19 +10:00
drm_platform.c
drm_prime.c drm: add prime helpers 2013-02-08 13:39:08 +10:00
drm_proc.c
drm_scatter.c
drm_stub.c drm: add support for monotonic vblank timestamps 2012-11-20 16:06:16 +10:00
drm_sysfs.c drm: remove legacy drm_connector_property fxns 2012-11-30 10:30:48 -06:00
drm_trace_points.c
drm_trace.h
drm_usb.c drm/usb: bind driver to correct device 2013-02-07 12:37:41 +10:00
drm_vm.c
Kconfig drm: Add HDMI infoframe helpers 2013-02-22 08:20:10 +01:00
Makefile Merge branch 'tilcdc-next' of git://people.freedesktop.org/~robclark/linux into drm-next 2013-02-21 09:31:47 +10:00
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