AuxXxilium/linux_dsm_epyc7002
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2ed06c93a1
linux_dsm_epyc7002/drivers/gpu/drm
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Daniel Kurtz 2ed06c93a1 drm/i915/intel_i2c: gmbus disabled and reserved ports are invalid 
There is no GMBUS "disabled" port 0, nor "reserved" port 7.
For the other 6 ports there is a fixed 1:1 mapping between pin pairs and
gmbus ports, which means every real gmbus port has a gpio pin.

Given these realizations, clean up gmbus initialization.

Tested on Sandybridge (gen 6, PCH == CougarPoint) hardware.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-03-28 15:02:53 +02:00
..
exynos drm exynos: use drm_fb_helper_set_par directly 2012-02-03 10:11:36 +00:00
gma500 drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
i2c drm: add convenience function to create an range property 2012-02-09 10:15:25 +00:00
i810 drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
i915 drm/i915/intel_i2c: gmbus disabled and reserved ports are invalid 2012-03-28 15:02:53 +02:00
mga drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
nouveau drm/nouveau: do a better job at hiding the NIH i2c bit-banging algo 2012-02-29 20:46:02 +01:00
r128 drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
radeon Merge remote-tracking branch 'airlied/drm-next' into for-airlied 2012-02-23 14:56:11 +01:00
savage
sis drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
tdfx
ttm drm/ttm: fix two regressions since move_notify changes 2012-01-25 18:54:28 +00:00
via drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
vmwgfx drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
ati_pcigart.c
drm_agpsupport.c
drm_auth.c drm: Fix authentication kernel crash 2012-01-25 09:27:45 +00:00
drm_buffer.c
drm_bufs.c
drm_cache.c drm: add helper to clflush a virtual address range 2012-03-27 13:19:45 +02:00
drm_context.c drm: make DRM_UNLOCKED ioctls with their own mutex 2012-01-05 14:43:02 +00:00
drm_crtc_helper.c drm crtc_helper: use list_for_each_entry 2012-02-03 10:09:41 +00:00
drm_crtc.c drm: add convenience function to create an range property 2012-02-09 10:15:25 +00:00
drm_debugfs.c
drm_dma.c
drm_dp_i2c_helper.c
drm_drv.c drm: remove master fd restriction on mode setting getters 2012-02-03 09:29:35 +00:00
drm_edid_modes.h
drm_edid.c drm/edid: drm modes have to be free with drm_mode_destroy 2012-02-03 09:50:08 +00:00
drm_encoder_slave.c
drm_fb_helper.c drm fb helper: remove unused variable crtc_id 2012-02-03 09:55:52 +00:00
drm_fops.c drm: Fix authentication kernel crash 2012-01-25 09:27:45 +00:00
drm_gem.c drm: Pass the real error code back during GEM bo initialisation 2012-01-30 09:31:42 +00:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_ioc32.c drivers/gpu/drm/drm_ioc32.c: initialize all fields 2012-02-03 09:47:32 +00:00
drm_ioctl.c drm: add some caps for userspace to discover more info for dumb KMS driver (v2) 2012-02-16 18:35:11 +00:00
drm_irq.c
drm_lock.c
drm_memory.c
drm_mm.c
drm_modes.c drm/modes: do not enforce an odd vtotal for interlaced modes 2012-02-13 11:58:53 +00:00
drm_pci.c drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
drm_platform.c
drm_proc.c
drm_scatter.c
drm_stub.c
drm_sysfs.c switch device_get_devnode() and ->devnode() to umode_t * 2012-01-03 22:54:55 -05:00
drm_trace_points.c
drm_trace.h
drm_usb.c
drm_vm.c
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