AuxXxilium/linux_dsm_epyc7002
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bf6546b421
linux_dsm_epyc7002/drivers/gpu/drm
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Martin Peres bf6546b421 drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster 
The previous driver waited for 250ms to accumulate data. This version times a
complete fan rotation and extrapolates to RPM.

The fan rotational speed should now be read in less than 250ms (worst case)
and usually in less 50ms.

Signed-off-by: Martin Peres <martin.peres@labri.fr>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-03 13:13:14 +10:00
..
ast drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
cirrus drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
exynos drm/exynos: remove DRM_FORMAT_NV12M from plane module 2012-09-13 12:38:10 +09:00
gma500 gma500: Fix regression on Oaktrail devices 2012-09-13 11:36:29 +10:00
i2c drm: Make the .mode_fixup() operations mode argument a const pointer 2012-07-19 21:52:38 -04:00
i810 drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
i915 drm/i915: HDMI - Clear Audio Enable bit for Hot Plug 2012-09-17 10:13:02 +02:00
mga drm: kill reclaim_buffers callback 2012-07-19 22:50:28 -04:00
mgag200 drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
nouveau drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster 2012-10-03 13:13:14 +10:00
r128 drm: kill reclaim_buffers callback 2012-07-19 22:50:28 -04:00
radeon drm/radeon: Prevent leak of scratch register on resume from suspend 2012-09-20 12:59:16 -04:00
savage drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
sis drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
tdfx drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
ttm drm/ttm: Fix buffer object metadata accounting regression v2 2012-06-12 15:57:47 +01:00
udl drm/udl: limit modes to the sku pixel limits. 2012-09-26 18:40:21 +10:00
via drm: use drm_compat_ioctl for 32-bit apps 2012-09-06 06:55:02 +10:00
vmwgfx vmwgfx: corruption in vmw_event_fence_action_create() 2012-09-26 18:40:06 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_auth.c
drm_buffer.c
drm_bufs.c drm: kill dma queue support 2012-07-19 22:50:55 -04:00
drm_cache.c
drm_context.c
drm_crtc_helper.c
drm_crtc.c drm: Check for invalid cursor flags 2012-08-24 09:38:40 +10:00
drm_debugfs.c drm: kill dma queue support 2012-07-19 22:50:55 -04:00
drm_dma.c drm: kill dma queue support 2012-07-19 22:50:55 -04:00
drm_dp_i2c_helper.c
drm_drv.c drm: kill dma queue support 2012-07-19 22:50:55 -04:00
drm_edid_load.c drm/edid: Fix potential memory leak in edid_load() 2012-08-10 20:30:04 +10:00
drm_edid_modes.h
drm_edid.c drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S 2012-08-30 14:14:12 +10:00
drm_encoder_slave.c
drm_fb_helper.c drm/fb helper: don't call drm_crtc_helper_set_config 2012-07-19 21:24:32 -04:00
drm_fops.c drm: track dev_mapping in more robust and flexible way 2012-07-25 14:09:30 +10:00
drm_gem.c drm: Add colouring to the range allocator 2012-07-16 05:59:37 +10:00
drm_global.c
drm_hashtab.c
drm_info.c drm: kill dma queue support 2012-07-19 22:50:55 -04:00
drm_ioc32.c
drm_ioctl.c
drm_irq.c drm: Disallow DRM_IOCTL_MODESET_CTL for KMS drivers 2012-07-18 06:05:48 +10:00
drm_lock.c drm: ditch strange DRIVER_DMA_QUEUE only error bail-out 2012-07-19 22:50:47 -04:00
drm_memory.c
drm_mm.c drm: Add colouring to the range allocator 2012-07-16 05:59:37 +10:00
drm_modes.c drm: Remove two unused fields from struct drm_display_mode 2012-08-22 09:27:27 +10:00
drm_pci.c drm/pci: add support for getting the supported link bw. 2012-07-19 22:29:25 -04:00
drm_platform.c
drm_prime.c
drm_proc.c drm: Add missing static storage class specifiers in drm_proc.c file 2012-08-22 09:30:00 +10:00
drm_scatter.c
drm_stub.c
drm_sysfs.c drm: fail gracefully when proc isn't setup. 2012-07-16 05:57:03 +10:00
drm_trace_points.c
drm_trace.h
drm_usb.c
drm_vm.c
Kconfig gpu/mfd/usb: Fix USB randconfig problems 2012-08-20 11:52:41 -07:00
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