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88ff3f5f63
linux/drivers/gpu/drm
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Alexandre Courbot 88ff3f5f63 drm/nvc0/bar: support chips without BAR3 
Adapt the NVC0 BAR driver to make it able to support chips that do not
expose a BAR3. When this happens, BAR1 is then used for USERD mapping
and the BAR alloc() functions is disabled, making GPU objects unable
to rely on BAR for data access and falling back to PRAMIN.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-10 16:05:49 +10:00
..
armada drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
ast drm/ast: Fix double lock at PM resume 2014-06-02 09:57:29 +02:00
bochs drm/bochs: Remove unecessary NULL check in gem_free 2014-04-22 15:39:40 +02:00
bridge drm: make mode_valid callback optional 2014-04-22 11:18:12 +02:00
cirrus Merge tag 'topic/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-05-16 11:47:13 +10:00
exynos drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
gma500 drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
i2c drm/i2c/tda998x: Fix signed overflow issue 2014-04-22 15:39:41 +02:00
i810
i915 Merge tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-06-06 19:07:09 +10:00
mga drm: remove drm_dev_to_irq from drivers 2014-04-22 11:41:12 +02:00
mgag200 drm/mgag200: Remove unecessary NULL check in gem_free 2014-04-22 15:39:04 +02:00
msm drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
nouveau drm/nvc0/bar: support chips without BAR3 2014-06-10 16:05:49 +10:00
omapdrm drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
panel drm/panel: simple - Add AUO B133XTN01 panel support 2014-06-09 12:17:21 +02:00
qxl drm/qxl: use surface_id 0 for primary surface on all monitors 2014-06-04 12:13:22 +10:00
r128 drm: remove drm_dev_to_irq from drivers 2014-04-22 11:41:12 +02:00
radeon Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
rcar-du drm/rcar-du: Add run-time dependencies 2014-05-27 15:46:36 +10:00
savage
shmobile drm/shmobile: Add run-time dependencies 2014-05-27 15:47:07 +10:00
sis
tdfx
tegra drm/tegra: sor - Remove obsolete comment 2014-06-09 12:02:51 +02:00
tilcdc drm: pass the irq explicitly to drm_irq_install 2014-04-23 10:32:50 +02:00
ttm Merge tag 'ttm-next-2014-04-04' of git://people.freedesktop.org/~thomash/linux into drm-next 2014-04-05 16:07:39 +10:00
udl drm/udl: Initialize ret in udl_driver_load 2014-04-22 15:39:37 +02:00
via drm/via: Remove unecessary NULL check 2014-04-22 15:39:11 +02:00
vmwgfx drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_auth.c
drm_buffer.c
drm_bufs.c Merge tag 'topic/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-05-16 11:47:13 +10:00
drm_cache.c drm: Missed clflushopt in drm_clflush_virt_range 2014-06-02 09:57:31 +02:00
drm_context.c
drm_crtc_helper.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
drm_crtc_internal.h
drm_crtc.c drm: Fix getconnector connection_mutex locking 2014-06-06 07:08:17 +10:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c drm/dp: add a hw mutex around the transfer functions. (v2) 2014-06-05 09:54:29 +10:00
drm_drv.c drm: Add a function to get the ioctl flags 2014-03-28 14:19:02 +01:00
drm_edid_load.c drm: replace drm_get_connector_name() with direct name field use 2014-06-04 13:17:41 +10:00
drm_edid.c drm: Split connection_mutex out of mode_config.mutex (v3) 2014-06-04 13:25:21 +10:00
drm_encoder_slave.c
drm_fb_cma_helper.c drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
drm_fb_helper.c drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
drm_flip_work.c
drm_fops.c drm: remove unused argument from drm_open_helper 2014-04-28 23:50:59 +02:00
drm_gem_cma_helper.c drm: gem-cma: Fix warnings due to improper printk formats 2014-04-04 10:13:48 +10:00
drm_gem.c drm/gem: replace misleading comment 2014-05-27 15:50:57 +10:00
drm_global.c
drm_hashtab.c
drm_info.c drm: remove drm_bus->get_name 2014-04-23 10:32:53 +02:00
drm_ioc32.c
drm_ioctl.c drm: Introduce drm_dev_set_unique() 2014-06-05 23:14:32 +02:00
drm_irq.c drm/irq: Coding style fix 2014-05-22 14:10:39 +02:00
drm_lock.c
drm_memory.c
drm_mipi_dsi.c drm/dsi: Support device shutdown 2014-06-05 16:42:19 +02:00
drm_mm.c drm/mm: Don't WARN if drm_mm_reserve_node 2014-04-10 10:54:47 +03:00
drm_modes.c drm: try harder to avoid regression when merging mode bits 2014-05-01 09:26:53 +10:00
drm_modeset_lock.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
drm_panel.c
drm_pci.c drm: Add device registration documentation 2014-06-05 23:14:38 +02:00
drm_plane_helper.c drm/plane-helper: Add drm_plane_helper_check_update() (v3) 2014-06-05 08:52:43 +02:00
drm_platform.c drm: Add device registration documentation 2014-06-05 23:14:38 +02:00
drm_prime.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-04-08 09:52:16 -07:00
drm_probe_helper.c drm: replace drm_get_connector_name() with direct name field use 2014-06-04 13:17:41 +10:00
drm_rect.c
drm_scatter.c
drm_stub.c drm: Add device registration documentation 2014-06-05 23:14:38 +02:00
drm_sysfs.c drm: replace drm_get_connector_name() with direct name field use 2014-06-04 13:17:41 +10:00
drm_trace_points.c
drm_trace.h
drm_usb.c drm: Add device registration documentation 2014-06-05 23:14:38 +02:00
drm_vm.c
drm_vma_manager.c
Kconfig drm/exynos: Fix PTN3460 dependency 2014-06-02 02:07:10 +09:00
Makefile drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +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