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711 commits

Author SHA1 Message Date
Christian König
a32ba6bdca drm/radeon: remove resource accounting v2
Use the one provided by TTM instead.

v2: drop new_mem parameter as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214093439.2989-5-christian.koenig@amd.com
2022-02-15 17:51:09 +01:00
Bernard Zhao
519424d776 drm/radeon: delete useless function return values & remove meaningless if(r) check code
Function radeon_fence_driver_init always returns success,
the function type maybe coule be changed to void.
This patch first delete the check of the return
value of the function call radeon_fence_driver_init, then,
optimise the function declaration and function to void type.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-22 16:51:45 -04:00
Dave Airlie
3a3ca72653 drm-misc-next for 5.14:
UAPI Changes:
 
  * drm: Disable connector force-probing for non-master clients
  * drm: Enforce consistency between IN_FORMATS property and cap + related
    driver cleanups
  * drm/amdgpu: Track devices, process info and fence info via
    /proc/<pid>/fdinfo
  * drm/ioctl: Mark AGP-related ioctls as legacy
  * drm/ttm: Provide tt_shrink file to trigger shrinker via debugfs;
 
 Cross-subsystem Changes:
 
  * fbdev/efifb: Special handling of non-PCI devices
  * fbdev/imxfb: Fix error message
 
 Core Changes:
 
  * drm: Add connector helper to attach HDR-metadata property and convert
    drivers
  * drm: Add connector helper to compare HDR-metadata and convert drivers
  * drm: Add conenctor helper to attach colorspace property
  * drm: Signal colorimetry in HDMI infoframe
  * drm: Support pitch for destination buffers; Add blitter function
    with generic format conversion
  * drm: Remove struct drm_device.pdev and update legacy drivers
  * drm: Remove obsolete DRM_KMS_FB_HELPER config option in core and drivers
  * drm: Remove obsolete drm_pci_alloc/drm_pci_free
 
  * drm/aperture: Add helpers for aperture ownership and convert drivers, replaces rsp fbdev helpers
 
  * drm/agp: Mark DRM AGP code as legacy and convert legacy drivers
 
  * drm/atomic-helpers: Cleanups
 
  * drm/dp: Handle downstream port counts of 0 correctly; AUX channel fixes; Use
    drm_err_*/drm_dbg_*(); Cleanups
 
  * drm/dp_dual_mode: Use drm_err_*/drm_dbg_*()
 
  * drm/dp_mst: Use drm_err_*/drm_dbg_*(); Use Extended Base Receiver Capability DPCD space
 
  * drm/gem-ttm-helper: Provide helper for dumb_map_offset and convert drivers
 
  * drm/panel: Use sysfs_emit; panel-simple: Use runtime PM, Power up panel
               when reading EDID, Cache EDID, Cleanups;
               Lms397KF04: DT bindings
 
  * drm/pci: Mark AGP helpers as legacy
 
  * drm/print: Handle NULL for DRM devices gracefully
 
  * drm/scheduler: Change scheduled fence track
 
  * drm/ttm: Don't count SG BOs against pages_limit; Warn about freeing pinned
             BOs; Fix error handling if no BO can be swapped out; Move special
             handling of non-GEM drivers into vmwgfx; Move page_alignment into
             the BO; Set drm-misc as TTM tree in MAINTAINERS; Cleanup
 	    ttm_agp_backend; Add ttm_sys_manager for system domain; Cleanups
 
 Driver Changes:
 
  * drm: Don't set allow_fb_modifiers explictly in drivers
 
  * drm/amdgpu: Pin/unpin fixes wrt to TTM; Use bo->base.size instead of
    mem->num_pages
 
  * drm/ast: Use managed pcim_iomap(); Fix EDID retrieval with DP501
 
  * drm/bridge: MHDP8546: HDCP support + DT bindings, Register DP AUX channel
    with userspace; Sil8620: Fix module dependencies; dw-hdmi: Add option to
    not load CEC driver; Fix stopping in drm_bridge_chain_pre_enable();
    Ti-sn65dsi86: Fix refclk handling, Break GPIO and MIPI-to-eDP into
    subdrivers, Use pm_runtime autosuspend, cleanups; It66121: Add
    driver + DT bindings; Adv7511: Support I2S IEC958 encoding; Anx7625: fix
    power-on delay; Nwi-dsi: Modesetting fixes; Cleanups
 
  * drm/bochs: Support screen blanking
 
  * drm/gma500: Cleanups
 
  * drm/gud: Cleanups
 
  * drm/i915: Use correct max source link rate for MST
 
  * drm/kmb: Cleanups
 
  * drm/meson: Disable dw-hdmi CEC driver
 
  * drm/nouveau: Pin/unpin fixes wrt to TTM; Use bo->base.size instead of
    mem->num_pages; Register AUX adapters after their connectors
 
  * drm/qxl: Fix shadow BO unpin
 
  * drm/radeon: Duplicate some DRM AGP code to uncouple from legacy drivers
 
  * drm/simpledrm: Add a generic DRM driver for simple-framebuffer devices
 
  * drm/tiny: Fix log spam if probe function gets deferred
 
  * drm/vc4: Add support for HDR-metadata property; Cleanups
 
  * drm/virtio: Create dumb BOs as guest blobs;
 
  * drm/vkms: Use managed drmm_universal_plane_alloc(); Add XRGB plane
    composition; Add overlay support
 
  * drm/vmwgfx: Enable console with DRM_FBDEV_EMULATION; Fix CPU updates
    of coherent multisample surfaces; Remove reservation semaphore; Add
    initial SVGA3 support; Support amd64; Use 1-based IDR; Use min_t();
    Cleanups
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Merge tag 'drm-misc-next-2021-05-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.14:

UAPI Changes:

 * drm: Disable connector force-probing for non-master clients
 * drm: Enforce consistency between IN_FORMATS property and cap + related
   driver cleanups
 * drm/amdgpu: Track devices, process info and fence info via
   /proc/<pid>/fdinfo
 * drm/ioctl: Mark AGP-related ioctls as legacy
 * drm/ttm: Provide tt_shrink file to trigger shrinker via debugfs;

Cross-subsystem Changes:

 * fbdev/efifb: Special handling of non-PCI devices
 * fbdev/imxfb: Fix error message

Core Changes:

 * drm: Add connector helper to attach HDR-metadata property and convert
   drivers
 * drm: Add connector helper to compare HDR-metadata and convert drivers
 * drm: Add conenctor helper to attach colorspace property
 * drm: Signal colorimetry in HDMI infoframe
 * drm: Support pitch for destination buffers; Add blitter function
   with generic format conversion
 * drm: Remove struct drm_device.pdev and update legacy drivers
 * drm: Remove obsolete DRM_KMS_FB_HELPER config option in core and drivers
 * drm: Remove obsolete drm_pci_alloc/drm_pci_free

 * drm/aperture: Add helpers for aperture ownership and convert drivers, replaces rsp fbdev helpers

 * drm/agp: Mark DRM AGP code as legacy and convert legacy drivers

 * drm/atomic-helpers: Cleanups

 * drm/dp: Handle downstream port counts of 0 correctly; AUX channel fixes; Use
   drm_err_*/drm_dbg_*(); Cleanups

 * drm/dp_dual_mode: Use drm_err_*/drm_dbg_*()

 * drm/dp_mst: Use drm_err_*/drm_dbg_*(); Use Extended Base Receiver Capability DPCD space

 * drm/gem-ttm-helper: Provide helper for dumb_map_offset and convert drivers

 * drm/panel: Use sysfs_emit; panel-simple: Use runtime PM, Power up panel
              when reading EDID, Cache EDID, Cleanups;
              Lms397KF04: DT bindings

 * drm/pci: Mark AGP helpers as legacy

 * drm/print: Handle NULL for DRM devices gracefully

 * drm/scheduler: Change scheduled fence track

 * drm/ttm: Don't count SG BOs against pages_limit; Warn about freeing pinned
            BOs; Fix error handling if no BO can be swapped out; Move special
            handling of non-GEM drivers into vmwgfx; Move page_alignment into
            the BO; Set drm-misc as TTM tree in MAINTAINERS; Cleanup
	    ttm_agp_backend; Add ttm_sys_manager for system domain; Cleanups

Driver Changes:

 * drm: Don't set allow_fb_modifiers explictly in drivers

 * drm/amdgpu: Pin/unpin fixes wrt to TTM; Use bo->base.size instead of
   mem->num_pages

 * drm/ast: Use managed pcim_iomap(); Fix EDID retrieval with DP501

 * drm/bridge: MHDP8546: HDCP support + DT bindings, Register DP AUX channel
   with userspace; Sil8620: Fix module dependencies; dw-hdmi: Add option to
   not load CEC driver; Fix stopping in drm_bridge_chain_pre_enable();
   Ti-sn65dsi86: Fix refclk handling, Break GPIO and MIPI-to-eDP into
   subdrivers, Use pm_runtime autosuspend, cleanups; It66121: Add
   driver + DT bindings; Adv7511: Support I2S IEC958 encoding; Anx7625: fix
   power-on delay; Nwi-dsi: Modesetting fixes; Cleanups

 * drm/bochs: Support screen blanking

 * drm/gma500: Cleanups

 * drm/gud: Cleanups

 * drm/i915: Use correct max source link rate for MST

 * drm/kmb: Cleanups

 * drm/meson: Disable dw-hdmi CEC driver

 * drm/nouveau: Pin/unpin fixes wrt to TTM; Use bo->base.size instead of
   mem->num_pages; Register AUX adapters after their connectors

 * drm/qxl: Fix shadow BO unpin

 * drm/radeon: Duplicate some DRM AGP code to uncouple from legacy drivers

 * drm/simpledrm: Add a generic DRM driver for simple-framebuffer devices

 * drm/tiny: Fix log spam if probe function gets deferred

 * drm/vc4: Add support for HDR-metadata property; Cleanups

 * drm/virtio: Create dumb BOs as guest blobs;

 * drm/vkms: Use managed drmm_universal_plane_alloc(); Add XRGB plane
   composition; Add overlay support

 * drm/vmwgfx: Enable console with DRM_FBDEV_EMULATION; Fix CPU updates
   of coherent multisample surfaces; Remove reservation semaphore; Add
   initial SVGA3 support; Support amd64; Use 1-based IDR; Use min_t();
   Cleanups

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YJvkD523evviED01@linux-uq9g.fritz.box
2021-05-19 09:22:56 +10:00
Kai-Heng Feng
227545b9a0 drm/radeon/dpm: Disable sclk switching on Oland when two 4K 60Hz monitors are connected
Screen flickers rapidly when two 4K 60Hz monitors are in use. This issue
doesn't happen when one monitor is 4K 60Hz (pixelclock 594MHz) and
another one is 4K 30Hz (pixelclock 297MHz).

The issue is gone after setting "power_dpm_force_performance_level" to
"high". Following the indication, we found that the issue occurs when
sclk is too low.

So resolve the issue by disabling sclk switching when there are two
monitors requires high pixelclock (> 297MHz).

v2:
 - Only apply the fix to Oland.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-05-13 10:48:21 -04:00
Thomas Zimmermann
43359786a5 drm/radeon: Move AGP data structures into radeon
With the AGP code already duplicated, move over the AGP structures
from the legacy code base in to radeon. The AGP data structures that
are required by radeon are now declared within the driver. The AGP
instance is stored in struct radeon_device.agp.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210507185709.22797-3-tzimmermann@suse.de
2021-05-10 15:46:50 +02:00
Thomas Zimmermann
cf241e872f drm/radeon: Move AGP helpers into radeon driver
Radeon calls DRMs core AGP helpers. These helpers are only required
by legacy drivers. Reimplement the code in radeon to uncouple radeon
from the legacy code.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210507185709.22797-2-tzimmermann@suse.de
2021-05-10 15:46:15 +02:00
Daniel Vetter
2cbcb78c9e Merge tag 'amd-drm-next-5.13-2021-03-23' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.13-2021-03-23:

amdgpu:
- Debugfs cleanup
- Various cleanups and spelling fixes
- Flexible array cleanups
- Initial AMD Freesync HDMI
- Display fixes
- 10bpc dithering improvements
- Display ASSR support
- Clean up and unify powerplay and swsmu interfaces
- Vangogh fixes
- Add SMU gfx busy queues for RV/PCO
- PCIE DPM fixes
- S0ix fixes
- GPU metrics data fixes
- DCN secure display support
- Backlight type override
- Add initial support for Aldebaran
- RAS fixes
- Prime fixes for A+A systems
- Reset fixes
- Initial resource cursor support
- Drop legacy IO BAR requirements
- Various power fixes

amdkfd:
- MMU notifier fixes
- APU fixes

radeon:
- Debugfs cleanups
- Flexible array cleanups

UAPI:
- amdgpu: Add a new INFO ioctl interface to query video capabilities
  rather than hardcoding them in userspace.  This allows us to provide
  fine grained asic capabilities (e.g., if a particular part is
  bandwidth limited, we can limit the capabilities).  Proposed userspace:
  https://gitlab.freedesktop.org/leoliu/drm/-/commits/info_video_caps
  https://gitlab.freedesktop.org/leoliu/mesa/-/commits/info_video_caps
- amdkfd: bump the driver version.  There was a problem with reporting
  some RAS features on older versions of the driver. Proposed userspace:
  7cdd63475c

Danvet: A bunch of conflicts all over, but it seems to compile ... I
did put the call to dc_allow_idle_optimizations() on a single line
since it looked a bit too jarring to be left alone.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324040147.1990338-1-alexander.deucher@amd.com
2021-03-26 15:53:21 +01:00
Christian König
b503138e49 drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table
Otherwise we will run into a NULL ptr deref.

Signed-off-by: Christian König <christian.koenig@amd.com>
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=212137
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-03-23 23:25:15 -04:00
Dave Airlie
51c3b916a4 drm-misc-next for 5.13:
UAPI Changes:
 
 Cross-subsystem Changes:
 
 Core Changes:
   - %p4cc printk format modifier
   - atomic: introduce drm_crtc_commit_wait, rework atomic plane state
     helpers to take the drm_commit_state structure
   - dma-buf: heaps rework to return a struct dma_buf
   - simple-kms: Add plate state helpers
   - ttm: debugfs support, removal of sysfs
 
 Driver Changes:
   - Convert drivers to shadow plane helpers
   - arc: Move to drm/tiny
   - ast: cursor plane reworks
   - gma500: Remove TTM and medfield support
   - mxsfb: imx8mm support
   - panfrost: MMU IRQ handling rework
   - qxl: rework to better handle resources deallocation, locking
   - sun4i: Add alpha properties for UI and VI layers
   - vc4: RPi4 CEC support
   - vmwgfx: doc cleanup
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Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.13:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
  - %p4cc printk format modifier
  - atomic: introduce drm_crtc_commit_wait, rework atomic plane state
    helpers to take the drm_commit_state structure
  - dma-buf: heaps rework to return a struct dma_buf
  - simple-kms: Add plate state helpers
  - ttm: debugfs support, removal of sysfs

Driver Changes:
  - Convert drivers to shadow plane helpers
  - arc: Move to drm/tiny
  - ast: cursor plane reworks
  - gma500: Remove TTM and medfield support
  - mxsfb: imx8mm support
  - panfrost: MMU IRQ handling rework
  - qxl: rework to better handle resources deallocation, locking
  - sun4i: Add alpha properties for UI and VI layers
  - vc4: RPi4 CEC support
  - vmwgfx: doc cleanup

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210303100600.dgnkadonzuvfnu22@gilmour
2021-03-16 17:08:46 +10:00
Christian König
a25955ba12 drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table
Otherwise we will run into a NULL ptr deref.

Signed-off-by: Christian König <christian.koenig@amd.com>
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=212137
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.11.x
2021-03-10 16:22:03 -05:00
Nirmoy Das
5b54d67979 drm/radeon: do not use drm middle layer for debugfs (v2)
Use debugfs API directly instead of drm middle layer.

v2: squash in build fix (Alex)

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18 16:43:10 -05:00
Nirmoy Das
e7fa81bbc3 drm/radeon: add rdev in ring struct
Retrieving radeon device struct from ring struct will be
used in next patch where debugfs's show function can only pass
one private data pointer.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18 16:43:09 -05:00
Chen Lin
475f9aaaaa drm/radeon: Remove unused function pointer typedef radeon_packet3_check_t
Remove the 'radeon_packet3_check_t' typedef as it is not used.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Chen Lin <chen.lin5@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18 16:43:09 -05:00
Nirmoy Das
ba3d9406a0 drm/radeon: cleanup debugfs
Remove unnecessary debugfs dentries and also radeon_ttm_debugfs_fini()
as drm_debugfs_cleanup() will recursively remove debugfs files.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18 16:43:09 -05:00
Christian König
8af8a109b3 drm/ttm: device naming cleanup
Rename ttm_bo_device to ttm_device.
Rename ttm_bo_driver to ttm_device_funcs.
Rename ttm_bo_global to ttm_global.

Move global and device related functions to ttm_device.[ch].

No functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/415222/
2021-01-21 14:51:45 +01:00
Thomas Zimmermann
5c1736cff1 drm/radeon: Store PCI controller in struct radeon_device.hose
Moves struct drm_device.hose into struct radeon_device. The field in
struct DRM device is only for legacy drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210112081035.6882-6-tzimmermann@suse.de
2021-01-13 14:22:37 +01:00
Thomas Zimmermann
d86a41267b drm/radeon: Remove references to struct drm_device.pdev
Using struct drm_device.pdev is deprecated. Convert radeon to struct
drm_device.dev. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201201103542.2182-17-tzimmermann@suse.de
2021-01-06 15:43:46 +01:00
Maarten Lankhorst
ae75a0431f Merge drm/drm-next into drm-misc-next
Required backmerge since we will be based on top of v5.11, and there
has been a request to backmerge already to upstream some features.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2020-12-15 11:05:43 +01:00
Dave Airlie
b10733527b Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.11-2020-12-09:

amdgpu:
- SR-IOV fixes
- Navy Flounder updates
- Sienna Cichlid updates
- Dimgrey Cavefish updates
- Vangogh updates
- Misc SMU fixes
- Misc display fixes
- Last big hunk of W=1 warning fixes
- Cursor validation fixes
- CI BACO updates

From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201210045344.21566-1-alexander.deucher@amd.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-12-10 16:55:53 +10:00
Christian König
5cf8290426 drm/ttm/drivers: remove unecessary ttm_module.h include v2
ttm_module.h deals with internals of TTM and should never
be include outside of it.

v2: also move the file around

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/404885/
2020-12-01 17:43:46 +01:00
Lee Jones
300f6a5c12 drm/radeon: Move prototypes to shared header
Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_kms.c:756:5: warning: no previous prototype for ‘radeon_get_vblank_counter_kms’ [-Wmissing-prototypes]
 756 | u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_kms.c:826:5: warning: no previous prototype for ‘radeon_enable_vblank_kms’ [-Wmissing-prototypes]
 826 | int radeon_enable_vblank_kms(struct drm_crtc *crtc)
 | ^~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_kms.c:853:6: warning: no previous prototype for ‘radeon_disable_vblank_kms’ [-Wmissing-prototypes]
 853 | void radeon_disable_vblank_kms(struct drm_crtc *crtc)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-11-13 00:03:51 -05:00
Thomas Zimmermann
112e505a76 Merge drm/drm-next into drm-misc-next
We need commit f8f6ae5d07 ("mm: always have io_remap_pfn_range() set
pgprot_decrypted()") to be able to merge Jason's cleanup patch.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2020-11-10 17:11:37 +01:00
Dave Airlie
5b8c596976 Merge tag 'amd-drm-next-5.11-2020-11-05' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.11-2020-11-05:

amdgpu:
- Add initial support for Vangogh
- Add support for Green Sardine
- Add initial support for Dimgrey Cavefish
- Scatter/Gather display support for Renoir
- Updates for Sienna Cichlid
- Updates for Navy Flounder
- SMU7 power improvements
- Modifier support for gfx9+
- CI BACO fixes
- Arcturus SMU fixes
- Lots of code cleanups
- DC fixes
- Kernel doc fixes
- Add more GPU HW client information to page fault error logging
- MPO clock tuning for RV
- FP fixes for DCN3 on ARM and PPC

radeon:
- Expose voltage via hwmon on Sumo APUs

amdkfd:
- Fix unique id handling
- Misc fixes

From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105222749.201798-1-alexander.deucher@amd.com
2020-11-10 17:48:47 +10:00
Thomas Zimmermann
49a3f51dfe drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
This patch replaces the vmap/vunmap's use of raw pointers in GEM object
functions with instances of struct dma_buf_map. GEM backends are
converted as well. For most of them, this simply changes the returned type.

TTM-based drivers now return information about the location of the memory,
either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap()
et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of
implementing their own vmap callbacks.

v7:
	* init QXL cursor to mapped BO buffer (kernel test robot)
v5:
	* update vkms after switch to shmem
v4:
	* use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian)
	* fix a trailing { in drm_gem_vmap()
	* remove several empty functions instead of converting them (Daniel)
	* comment uses of raw pointers with a TODO (Daniel)
	* TODO list: convert more helpers to use struct dma_buf_map

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
2020-11-09 09:19:24 +01:00
Daniel Vetter
384bc5e059 drm/radeon: Stop changing the drm_driver struct
With only the kms driver left, we can fold this in. This means
we need to move the ioctl table, which means one additional ioctl
must be defined in headers.

Also there's a conflict between the radeon_init macro and the module
init function, so rename the module functions to avoid that.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104100425.1922351-1-daniel.vetter@ffwll.ch
2020-11-06 10:31:26 +01:00
Sandeep Raghuraman
ca22f3beb6 drm/radeon: Add new callback that exposes vddc
This patch adds a callback for reporting vddc, to the dpm field of the radeon_asic structure.

Signed-off-by: Sandeep Raghuraman <sandy.8925@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-10-27 17:43:42 -04:00
Christian König
0b8793f6e7 drm/radeon: switch over to the new pin interface
Stop using TTM_PL_FLAG_NO_EVICT.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/391610/?series=81973&rev=1
2020-09-24 16:16:50 +02:00
Dave Airlie
0b988ca1c7 drm/ttm: protect against reentrant bind in the drivers
This moves the generic tracking into the drivers and protects
against reentrancy in the drivers. It fixes up radeon and agp
to be able to query the bound status as that is required.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200917043040.146575-2-airlied@gmail.com
2020-09-18 06:14:00 +10:00
Dave Airlie
a68bb1938b drm/radeon/ttm: move to driver binding/destroy functions. (v2)
Do agp decision in the driver, instead of special binding funcs

v2: use container_of, drop some {}.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200907204630.1406528-6-airlied@gmail.com
2020-09-09 08:30:05 +10:00
Dave Airlie
2966141ad2 drm/ttm: rename ttm_mem_reg to ttm_resource.
This name better reflects what the object does. I didn't rename
all the pointers it seemed too messy.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200804025632.3868079-60-airlied@gmail.com
2020-08-06 13:19:21 +10:00
Nirmoy Das
a0e4a29857 drm/radeon: don't use ttm bo->offset
Calculate GPU offset in radeon_bo_gpu_offset without depending on
bo->offset.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-and-tested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/372935/
2020-06-25 11:58:49 +02:00
Jason Gunthorpe
3506ff69c3 drm/radeon: use mmu_interval_notifier_insert
The new API is an exact match for the needs of radeon.

For some reason radeon tries to remove overlapping ranges from the
interval tree, but interval trees (and mmu_interval_notifier_insert())
support overlapping ranges directly. Simply delete all this code.

Since this driver is missing a invalidate_range_end callback, but
still calls get_user_pages(), it cannot be correct against all races.

Link: https://lore.kernel.org/r/20191112202231.3856-8-jgg@ziepe.ca
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-23 19:56:44 -04:00
Linus Torvalds
84da111de0 hmm related patches for 5.4
This is more cleanup and consolidation of the hmm APIs and the very
 strongly related mmu_notifier interfaces. Many places across the tree
 using these interfaces are touched in the process. Beyond that a cleanup
 to the page walker API and a few memremap related changes round out the
 series:
 
 - General improvement of hmm_range_fault() and related APIs, more
   documentation, bug fixes from testing, API simplification &
   consolidation, and unused API removal
 
 - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE, and
   make them internal kconfig selects
 
 - Hoist a lot of code related to mmu notifier attachment out of drivers by
   using a refcount get/put attachment idiom and remove the convoluted
   mmu_notifier_unregister_no_release() and related APIs.
 
 - General API improvement for the migrate_vma API and revision of its only
   user in nouveau
 
 - Annotate mmu_notifiers with lockdep and sleeping region debugging
 
 Two series unrelated to HMM or mmu_notifiers came along due to
 dependencies:
 
 - Allow pagemap's memremap_pages family of APIs to work without providing
   a struct device
 
 - Make walk_page_range() and related use a constant structure for function
   pointers
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull hmm updates from Jason Gunthorpe:
 "This is more cleanup and consolidation of the hmm APIs and the very
  strongly related mmu_notifier interfaces. Many places across the tree
  using these interfaces are touched in the process. Beyond that a
  cleanup to the page walker API and a few memremap related changes
  round out the series:

   - General improvement of hmm_range_fault() and related APIs, more
     documentation, bug fixes from testing, API simplification &
     consolidation, and unused API removal

   - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE,
     and make them internal kconfig selects

   - Hoist a lot of code related to mmu notifier attachment out of
     drivers by using a refcount get/put attachment idiom and remove the
     convoluted mmu_notifier_unregister_no_release() and related APIs.

   - General API improvement for the migrate_vma API and revision of its
     only user in nouveau

   - Annotate mmu_notifiers with lockdep and sleeping region debugging

  Two series unrelated to HMM or mmu_notifiers came along due to
  dependencies:

   - Allow pagemap's memremap_pages family of APIs to work without
     providing a struct device

   - Make walk_page_range() and related use a constant structure for
     function pointers"

* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (75 commits)
  libnvdimm: Enable unit test infrastructure compile checks
  mm, notifier: Catch sleeping/blocking for !blockable
  kernel.h: Add non_block_start/end()
  drm/radeon: guard against calling an unpaired radeon_mn_unregister()
  csky: add missing brackets in a macro for tlb.h
  pagewalk: use lockdep_assert_held for locking validation
  pagewalk: separate function pointers from iterator data
  mm: split out a new pagewalk.h header from mm.h
  mm/mmu_notifiers: annotate with might_sleep()
  mm/mmu_notifiers: prime lockdep
  mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
  mm/mmu_notifiers: remove the __mmu_notifier_invalidate_range_start/end exports
  mm/hmm: hmm_range_fault() infinite loop
  mm/hmm: hmm_range_fault() NULL pointer bug
  mm/hmm: fix hmm_range_fault()'s handling of swapped out pages
  mm/mmu_notifiers: remove unregister_no_release
  RDMA/odp: remove ib_ucontext from ib_umem
  RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
  RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
  RDMA/mlx5: Use ib_umem_start instead of umem.address
  ...
2019-09-21 10:07:42 -07:00
Dave Airlie
578d2342ec Merge tag 'drm-next-5.4-2019-08-23' of git://people.freedesktop.org/~agd5f/linux into drm-next
drm-next-5.4-2019-08-23:

amdgpu:
- Enable power features on Navi12
- Enable power features on Arcturus
- RAS updates
- Initial Renoir APU support
- Enable power featyres on Renoir
- DC gamma fixes
- DCN2 fixes
- GPU reset support for Picasso
- Misc cleanups and fixes

scheduler:
- Possible race fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823202620.3870-1-alexander.deucher@amd.com
2019-08-27 17:22:15 +10:00
Jason Gunthorpe
534e5f84b7 drm/radeon: use mmu_notifier_get/put for struct radeon_mn
radeon is using a device global hash table to track what mmu_notifiers
have been registered on struct mm. This is better served with the new
get/put scheme instead.

radeon has a bug where it was not blocking notifier release() until all
the BO's had been invalidated. This could result in a use after free of
pages the BOs. This is tied into a second bug where radeon left the
notifiers running endlessly even once the interval tree became
empty. This could result in a use after free with module unload.

Both are fixed by changing the lifetime model, the BOs exist in the
interval tree with their natural lifetimes independent of the mm_struct
lifetime using the get/put scheme. The release runs synchronously and just
does invalidate_start across the entire interval tree to create the
required DMA fence.

Additions to the interval tree after release are already impossible as
only current->mm is used during the add.

Link: https://lore.kernel.org/r/20190806231548.25242-9-jgg@ziepe.ca
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-08-20 09:35:02 -03:00
Christoph Hellwig
33b3ad3788 drm/radeon: handle PCIe root ports with addressing limitations
radeon uses a need_dma32 flag to indicate to the drm core that some
allocations need to be done using GFP_DMA32, but it only checks the
device addressing capabilities to make that decision.  Unfortunately
PCIe root ports that have limited addressing exist as well.  Use the
dma_addressing_limited instead to also take those into account.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reported-by: Atish Patra <Atish.Patra@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-08-15 10:51:00 -05:00
Christian König
52791eeec1 dma-buf: rename reservation_object to dma_resv
Be more consistent with the naming of the other DMA-buf objects.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/323401/
2019-08-13 09:09:30 +02:00
Gerd Hoffmann
ce77038fda drm/radeon: use embedded gem object
Drop drm_gem_object from radeon_bo, use the
ttm_buffer_object.base instead.

Build tested only.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-5-kraxel@redhat.com
2019-08-06 08:21:54 +02:00
Christian König
a64f784bb1 drm/ttm: initialize globals during device init (v2)
Make sure that the global BO state is always correctly initialized.

This allows removing all the device code to initialize it.

v2: fix up vbox (Alex)

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-05 14:21:21 -05:00
Christian König
27eb1fa913 drm/ttm: use a static ttm_mem_global instance
As the name says we only need one global instance of ttm_mem_global.

Drop all the driver initialization and just use a single exported
instance which is initialized during BO global initialization.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-05 14:21:18 -05:00
Alex Deucher
5f152a572c drm/radeon: use pcie functions for link width
This is the last user of drm_pcie_get_speed_cap_mask.  Use the pci
version so we can drop drm_pcie_get_speed_cap_mask.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-05 16:40:00 -05:00
Chunming Zhou
1bc3d3cce8 drm/radeon: only enable swiotlb path when need v2
swiotlb expands our card accessing range, but its path always is slower
than ttm pool allocation.
So add condition to use it.
v2: move a bit later

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180209024410.1469-3-david1.zhou@amd.com
2018-02-13 13:35:14 -05:00
Michel Dänzer
8214ddae31 Revert "drm/radeon: Report doorbell configuration to amdkfd"
This reverts commit ebff8453d3. Unused
since amdkfd is no longer supported with radeon.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-20 12:00:01 -05:00
Michel Dänzer
4c0ab318a1 Revert "drm/radeon: adding synchronization for GRBM GFX"
This reverts commit 1c0a46255f. Not needed
anymore, since amdkfd is no longer supported with radeon.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-20 11:59:52 -05:00
Christian König
f4fa88ab28 drm/radeon: deprecate and remove KFD interface
To quote Felix: "For testing KV with current user mode stack, please use
amdgpu. I don't expect this to work with radeon and I'm not planning to
spend any effort on making radeon work with a current user mode stack."

Only compile tested, but should be straight forward.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-10-30 14:16:21 +01:00
Davidlohr Bueso
f808c13fd3 lib/interval_tree: fast overlap detection
Allow interval trees to quickly check for overlaps to avoid unnecesary
tree lookups in interval_tree_iter_first().

As of this patch, all interval tree flavors will require using a
'rb_root_cached' such that we can have the leftmost node easily
available.  While most users will make use of this feature, those with
special functions (in addition to the generic insert, delete, search
calls) will avoid using the cached option as they can do funky things
with insertions -- for example, vma_interval_tree_insert_after().

[jglisse@redhat.com: fix deadlock from typo vm_lock_anon_vma()]
  Link: http://lkml.kernel.org/r/20170808225719.20723-1-jglisse@redhat.com
Link: http://lkml.kernel.org/r/20170719014603.19029-12-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Doug Ledford <dledford@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-08 18:26:49 -07:00
Kent Russell
5dcd33459b drm/radeon: Fix preferred typo
Change "prefered" to "preferred"

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-08-15 14:46:16 -04:00
Kent Russell
4aa5b92fd4 drm/radeon: Fix stolen typo
Change "stollen" to "stolen"

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-08-15 14:46:15 -04:00
Linus Torvalds
af3c8d9850 main drm pull for v4.13
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Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm, I think I've got one later
  driver pull for mediatek SoC driver, I'm undecided on if it needs to
  go to you yet.

  Otherwise summary below:

  Core drm:
   - Atomic add driver private objects
   - Deprecate preclose hook in modern drivers
   - MST bandwidth tracking
   - Use kvmalloc in more places
   - Add mode_valid hook for crtc/encoder/bridge
   - Reduce sync_file construction time
   - Documentation updates
   - New DRM synchronisation object support

  New drivers:
   - pl111 - pl111 CLCD display controller

  Panel:
   - Innolux P079ZCA panel driver
   - Add NL12880B20-05, NL192108AC18-02D, P320HVN03 panels
   - panel-samsung-s6e3ha2: Add s6e3hf2 panel support

  i915:
   - SKL+ watermark fixes
   - G4x/G33 reset improvements
   - DP AUX backlight improvements
   - Buffer based GuC/host communication
   - New getparam for (sub)slice infomation
   - Cannonlake and Coffeelake initial patches
   - Execbuf optimisations

  radeon/amdgpu:
   - Lots of Vega10 bug fixes
   - Preliminary raven support
   - KIQ support for compute rings
   - MEC queue management rework
   - DCE6 Audio support
   - SR-IOV improvements
   - Better radeon/amdgpu selection support

  nouveau:
   - HDMI stereoscopic support
   - Display code rework for >= GM20x GPUs

  msm:
   - GEM rework for fine-grained locking
   - Per-process pagetable work
   - HDMI fixes for Snapdragon 820.

  vc4:
   - Remove 256MB CMA limit from vc4
   - Add out-fence support
   - Add support for cygnus
   - Get/set tiling ioctls support
   - Add T-format tiling support for scanout

  zte:
   - add VGA support.

  etnaviv:
   - Thermal throttle support for newer GPUs
   - Restore userspace buffer cache performance
   - dma-buf sync fix

  stm:
   - add stm32f429 display support

  exynos:
   - Rework vblank handling
   - Fixup sw-trigger code

  sun4i:
   - V3s display engine support
   - HDMI support for older SoCs
   - Preliminary work on dual-pipeline SoCs.

  rcar-du:
   - VSP work

  imx-drm:
   - Remove counter load enable from PRE
   - Double read/write reduction flag support

  tegra:
   - Documentation for the host1x and drm driver.
   - Lots of staging ioctl fixes due to grate project work.

  omapdrm:
   - dma-buf fence support
   - TILER rotation fixes"

* tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux: (1270 commits)
  drm: Remove unused drm_file parameter to drm_syncobj_replace_fence()
  drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.
  amdgpu: Set cik/si_support to 1 by default if radeon isn't built
  drm/amdgpu/gfx9: fix driver reload with KIQ
  drm/amdgpu/gfx8: fix driver reload with KIQ
  drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplay
  drm/ttm: Fix use-after-free in ttm_bo_clean_mm
  drm/amd/amdgpu: move get memory type function from early init to sw init
  drm/amdgpu/cgs: always set reference clock in mode_info
  drm/amdgpu: fix vblank_time when displays are off
  drm/amd/powerplay: power value format change for Vega10
  drm/amdgpu/gfx9: support the amdgpu.disable_cu option
  drm/amd/powerplay: change PPSMC_MSG_GetCurrPkgPwr for Vega10
  drm/amdgpu: Make amdgpu_cs_parser_init static (v2)
  drm/amdgpu/cs: fix a typo in a comment
  drm/amdgpu: Fix the exported always on CU bitmap
  drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static
  drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup
  drm/amd/powerplay/cz: print message if smc message fails
  drm/amdgpu: fix typo in amdgpu_debugfs_test_ib_init
  ...
2017-07-09 18:48:37 -07:00
Ingo Molnar
ac6424b981 sched/wait: Rename wait_queue_t => wait_queue_entry_t
Rename:

	wait_queue_t		=>	wait_queue_entry_t

'wait_queue_t' was always a slight misnomer: its name implies that it's a "queue",
but in reality it's a queue *entry*. The 'real' queue is the wait queue head,
which had to carry the name.

Start sorting this out by renaming it to 'wait_queue_entry_t'.

This also allows the real structure name 'struct __wait_queue' to
lose its double underscore and become 'struct wait_queue_entry',
which is the more canonical nomenclature for such data types.

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-20 12:18:27 +02:00