Commit Graph

38564 Commits

Author SHA1 Message Date
Matthias Kaehlcke 982c0500fd dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding
The GPU can be used as a thermal cooling device, add an optional
'#cooling-cells' property.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190516172510.181473-1-mka@chromium.org
2019-05-22 10:20:18 +02:00
Yannick Fertré 79c5ecafe9 dt-bindings: display: stm32: add supply property to DSI controller
This patch adds documentation of a new property phy-dsi-supply to the
STM32 DSI controller.

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1557826556-10079-2-git-send-email-yannick.fertre@st.com
2019-05-17 12:11:16 +02:00
Eric Anholt ba6e798ecf drm/doc: Document expectation that userspace review looks at kernel uAPI.
The point of this review process is that userspace using the new uAPI
can actually live with the uAPI being provided, and it's hard to know
that without having actually looked into a kernel patch yourself.

Signed-off-by: Eric Anholt <eric@anholt.net>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190424185617.16865-2-eric@anholt.net
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-05-16 09:16:45 -07:00
Eric Anholt 3d42fca008 drm/doc: Allow new UAPI to be used once it's in drm-next/drm-misc-next.
I was trying to figure out if it was permissible to merge the Mesa
side of V3D's CSD support yet while it's in drm-misc-next but not
drm-next, and developers on #dri-devel IRC had differing opinions of
what the requirement was.

v2: Restrict to just drm-next or drm-misc-next on airlied's request.

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190424220638.16222-1-eric@anholt.net
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-05-16 09:16:33 -07:00
Thomas Zimmermann 59f5989ad4 drm: Integrate VRAM MM into struct drm_device
There's now a pointer to struct drm_vram_mm stored in struct drm_device.
DRM drivers that use VRAM MM should use this field to refer to their
instance of the data structure. Appropriate helpers are now provided as
well.

Adding struct drm_vram_mm to struct drm_device further avoids wrappers
and boilerplate code in drivers. This patch implements default functions
for callbacks in struct drm_driver and struct file_operations that use
the struct drm_vram_mm stored in struct drm_device. Drivers that need to
provide their own implementations can still do so.

The patch also adds documentation for the VRAM helper library in general.

v5:
	* set .llseek to no_llseek() from DRM_VRAM_MM_FILE_OPERATIONS
v4:
	* cleanups from checkpatch.pl
	* document VRAM helper library

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-9-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-15 16:17:06 +02:00
Thomas Zimmermann 96352eca5c drm: Add VRAM MM, a simple memory manager for dedicated VRAM
The VRAM MM memory manager is a helper library that manages dedicated video
memory of simple framebuffer devices. It is supported to be used with
struct drm_gem_vram_object, but does not depend on it.

The implementation is based on the respective code from ast, bochs, and
mgag200. These drivers share the exact same implementation except for type
names. The helpers are currently build with TTM. This may change in future
revisions.

v4:
	* cleanups from checkpatch.pl
v2:
	* renamed to struct drm_vram_mm
	* add drm_vram_mm_mmap() helper
	* documentation fixes

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-7-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-15 16:17:06 +02:00
Thomas Zimmermann 85438a8ddf drm: Add |struct drm_gem_vram_object| and helpers
The type |struct drm_gem_vram_object| implements a GEM object for simple
framebuffer devices with dedicated video memory. The BO is either located
in VRAM or system memory.

The implementation has been created from the respective code in ast,
bochs and mgag200. These drivers copy their implementation from each
other; except for the names of several data types. The helpers are
currently build with TTM, but this is considered an implementation
detail and may change in future updates.

v5:
	* do WARN_ON_ONCE for pin-count mismatches
	* allocate only 2 entries in placements array
v4:
	* cleanups from checkpatch.pl
	* removed several fixed-size types from interfaces
	* DRM_VRAM_HELPER now selects DRM_TTM
	* remove separate config option for GEM VRAM
v2:
	* rename to |struct drm_gem_vram_object|
	* move drm_is_gem_ttm() to a later patch in the series
	* add drm_gem_vram_kmap_at()
	* return is_iomem from kmap functions
	* redefine TTM placement flags for public interface
	* documentation fixes

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-2-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-15 16:17:04 +02:00
Noralf Trønnes 03a9606e7f drm/fb-helper: Avoid race with DRM userspace
drm_fb_helper_is_bound() is used to check if DRM userspace is in control.
This is done by looking at the fb on the primary plane. By the time
fb-helper gets around to committing, it's possible that the facts have
changed.

Avoid this race by holding the drm_device->master_mutex lock while
committing. When DRM userspace does its first open, it will now wait
until fb-helper is done. The helper will stay away if there's a master.

Two igt tests fail with the new 'bail out if master' rule. Work around
this by relaxing this rule for drm_fb_helper_restore_fbdev_mode_unlocked()
until the tests have been fixed. Add todo entry for this.

Locking rule: Always take the fb-helper lock first.

v5: drm_fb_helper_restore_fbdev_mode_unlocked(): Use
    restore_fbdev_mode_force()

v2:
- Remove drm_fb_helper_is_bound() (Daniel Vetter)
- No need to check fb_helper->dev->master in
  drm_fb_helper_single_fb_probe(), restore_fbdev_mode() has the check.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190506180139.6913-3-noralf@tronnes.org
2019-05-14 16:11:28 +02:00
Maarten Lankhorst 752c4f3c1d Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested for backmerging airlied's drm-legacy cleanup.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-05-09 10:19:03 +02:00
Jagan Teki 19b44b5257 dt-bindings: display: Document FriendlyELEC HD702E LCD panel
HD702E lcd is FriendlyELEC developed eDP LCD panel with 800x1280
resolution. It has built in Goodix, GT9271 captive touchscreen
with backlight adjustable via PWM.

Add dt-bindings documentation for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507130708.11255-1-jagan@amarulasolutions.com
2019-05-07 19:57:47 +02:00
Sam Ravnborg 788033a92a drm: drop drm_bus from todo
David Herrmann removed the last bits of drm_bus in:
commit c5786fe5f1 ("drm: Goody bye, drm_bus!")

Remove the todo item.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com> [I miss drm_bus!]
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190126192732.15263-1-sam@ravnborg.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190126192732.15263-1-sam@ravnborg.org
2019-04-27 18:19:32 +02:00
Dave Airlie 70b5f09e43 Merge tag 'drm-msm-next-2019-04-21' of https://gitlab.freedesktop.org/drm/msm into drm-next
This time around it is a bunch of cleanup and fixes, expanding gpu
"zap" shader support (so we can take the GPU out of secure mode on
boot) to a6xx, and small UABI extension to support robustness (see
mesa MR 673).

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGsHwsEfi4y2LYKSqeqDEYvffwVgKhiP8jHcHpxp13J5LQ@mail.gmail.com
2019-04-24 11:56:32 +10:00
Dave Airlie 8d8f6f7044 drm-misc-next for v5.2:
UAPI Changes:
 - Document which feature flags belong to which command in virtio_gpu.h
 - Make the FB_DAMAGE_CLIPS available for atomic userspace only, it's useless for legacy.
 
 Cross-subsystem Changes:
 - Add device tree bindings for lg,acx467akm-7 panel and ST-Ericsson Multi Channel Display Engine MCDE
 - Add parameters to the device tree bindings for tfp410
 - iommu/io-pgtable: Add ARM Mali midgard MMU page table format
 - dma-buf: Only do a 64-bits seqno compare when driver explicitly asks for it, else wraparound.
 - Use the 64-bits compare for dma-fence-chains
 
 Core Changes:
 - Make the fb conversion functions use __iomem dst.
 - Rename drm_client_add to drm_client_register
 - Move intel_fb_initial_config to core.
 - Add a drm_gem_objects_lookup helper
 - Add drm_gem_fence_array helpers, and use it in lima.
 - Add drm_format_helper.c to kerneldoc.
 
 Driver Changes:
 - Add panfrost driver for mali midgard/bitfrost.
 - Converts bochs to use the simple display type.
 - Small fixes to sun4i, tinydrm, ti-fp410.
 - Fid aspeed's Kconfig options.
 - Make some symbols/functions static in lima, sun4i and meson.
 - Add a driver for the lg,acx467akm-7 panel.
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Merge tag 'drm-misc-next-2019-04-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.2:

UAPI Changes:
- Document which feature flags belong to which command in virtio_gpu.h
- Make the FB_DAMAGE_CLIPS available for atomic userspace only, it's useless for legacy.

Cross-subsystem Changes:
- Add device tree bindings for lg,acx467akm-7 panel and ST-Ericsson Multi Channel Display Engine MCDE
- Add parameters to the device tree bindings for tfp410
- iommu/io-pgtable: Add ARM Mali midgard MMU page table format
- dma-buf: Only do a 64-bits seqno compare when driver explicitly asks for it, else wraparound.
- Use the 64-bits compare for dma-fence-chains

Core Changes:
- Make the fb conversion functions use __iomem dst.
- Rename drm_client_add to drm_client_register
- Move intel_fb_initial_config to core.
- Add a drm_gem_objects_lookup helper
- Add drm_gem_fence_array helpers, and use it in lima.
- Add drm_format_helper.c to kerneldoc.

Driver Changes:
- Add panfrost driver for mali midgard/bitfrost.
- Converts bochs to use the simple display type.
- Small fixes to sun4i, tinydrm, ti-fp410.
- Fid aspeed's Kconfig options.
- Make some symbols/functions static in lima, sun4i and meson.
- Add a driver for the lg,acx467akm-7 panel.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/737ad994-213d-45b5-207a-b99d795acd21@linux.intel.com
2019-04-24 10:12:50 +10:00
Marco Felsch 81c2d54ad9 dt-bindings: Add Evervision VGG804821 panel
Add device tree bindings for the Evervision VG804821 800x480 5.0" LCD
TFT parallel panel.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416100645.21689-3-m.felsch@pengutronix.de
2019-04-23 14:24:22 +02:00
Marco Felsch fbd8b69ab6 dt-bindings: Add vendor prefix for Evervision Electronics
Evervision Electronics is a panel manufacturer from Taipei.
http://www.evervisionlcd.com/index.php?lang=en

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416100645.21689-2-m.felsch@pengutronix.de
2019-04-23 14:23:47 +02:00
Marco Felsch c9219ae4bd dt-bindings: display: add EDT ET035012DM6 display description
Add support for the ET035012DM6 3.5" QVGA TFT LCD panel. The datasheet
can be retrieved online:

https://www.glynshop.com/erp/owweb/Daten/DSS/EDT/Products/ \
Specifications/Active%20Displays/ET035012DM6.pdf

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416101630.3482-1-m.felsch@pengutronix.de
2019-04-23 14:20:53 +02:00
Jyri Sarha b1b0d36bdb dt-bindings: drm/panel: simple: Add binding for TFC S9700RTWV43TR-01B
Add bindign for TFC S9700RTWV43TR-01B 7" Three Five Corp 800x480 LCD
panel with resistive touch.

The panel is found on TI AM335x-evm.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/24fea39438decd1e17a9c9afa320d49aca03f60d.1553243203.git.jsarha@ti.com
2019-04-23 14:15:06 +02:00
Marek Vasut fae186c8d6 dt-bindings: display: Add ETM0430G0DH6 bindings
Document the Emerging Display Technology Corp. (EDT) ETM0430G0DH6
display, which is a 480x272 4.3" TFT display.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Jan Tuerk <jan.tuerk@emtrion.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190219140438.17063-1-marex@denx.de
2019-04-23 14:02:02 +02:00
Peter Ujfalusi 2de67cf78e dt-bindings: display: Add bindings for OSD101T2587-53TS panel
This adds the device-tree bindings for the OSD101T2587-53TS 10.1"
1920x1200 panel from One Stop Displays.

Note: the panel is similar to OSD101T2045-53TS, but it needs additional
MIPI_DSI_TURN_ON_PERIPHERAL message from the host.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190226075523.28997-4-peter.ujfalusi@ti.com
2019-04-23 13:51:58 +02:00
Peter Ujfalusi cc483ec101 dt-bindings: display: Add bindings for OSD101T2045-53TS
This adds the device-tree bindings for the OSD101T2045-53TS 10.1"
1920x1200 panel from One Stop Displays.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190226075523.28997-2-peter.ujfalusi@ti.com
2019-04-23 13:49:18 +02:00
Jonathan Bakker 7a4f4c31c5 dt-bindings: panel: Add Samsung S6E63M0 panel documentation
This commit adds documentation for Samsung S6E63M0 AMOLED LCD panel
driver.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190222175153.20567-1-pawel.mikolaj.chmiel@gmail.com
2019-04-23 13:04:31 +02:00
Fabio Estevam 68c2edaca6 dt-bindings: Add VXT VL050-8048NT-C01 panel bindings
The VXT VL050-8048NT-C01 is a TFT LCD panel with a 800x480 resolution
connected via 24 width parallel interface.

Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190219002706.20077-2-festevam@gmail.com
2019-04-23 12:51:31 +02:00
Fabio Estevam b4a2c0055a dt-bindings: Add vendor prefix for VXT Ltd
VXT Ltd is a manufacturer of projected capacitive touch panel
and display solutions: http://www.vxt.com.tw/

Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190219002706.20077-1-festevam@gmail.com
2019-04-23 12:50:07 +02:00
Jordan Crouse b55ee6b243 dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region
Describe the zap-shader node that defines a reserved memory region
to store the zap shader.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2019-04-21 07:37:17 -07:00
Jordan Crouse 026ef6354c dt-bindings: drm/msm/a6xx: Document interconnect properties for GPU
Add documentation for the interconnect and interconnect-names bindings
for the GPU node as detailed by bindings/interconnect/interconnect.txt.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2019-04-21 07:36:54 -07:00
Jordan Crouse c6c598535c dt-bindings: drm/msm/a6xx: Add GX power-domain for GMU bindings
The GMU should have two power domains defined: "cx" and "gx". "cx" is the
actual power domain for the device and "gx" will be attached at runtime
to manage reference counting on the GPU device in case of a GMU crash.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2019-04-19 11:50:06 -07:00
Brian Masney 9e0b597534 dt-bindings: drm/panel: simple: add lg,acx467akm-7 panel
Add binding for the LG ACX467AKM-7 4.95" 1080×1920 LCD panel that is
found on the LG Nexus 5 (hammerhead) phone. This appears to be a JDI
panel based on some Internet searches, however a specific model number
could not be found. I disassembled an old Nexus 5 with a broken
screen and the LG part number is the only model number present on the
back of the panel, so I think that is probably the best ID to use.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20181124200628.24393-1-masneyb@onstation.org
2019-04-17 23:02:25 +02:00
Linus Walleij bd84995f06 drm/mcde: Add device tree bindings
This adds the device tree bindings for the ST-Ericsson
Multi Channel Display Engine MCDE as found in the U8500
SoCs.

Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416142844.12038-1-linus.walleij@linaro.org
2019-04-17 22:54:03 +02:00
Gerd Hoffmann b7147e9a15 drm: add drm_format_helper.c to kerneldoc
Also drop the dstclip parameter sphinx has warned about (leftover from
an earlier patch version).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20190416090533.28374-1-kraxel@redhat.com
2019-04-17 09:39:22 +02:00
Dave Airlie f06ddb5309 Linux 5.1-rc5
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BackMerge v5.1-rc5 into drm-next

Need rc5 for udl fix to add udl cleanups on top.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2019-04-15 15:51:49 +10:00
Peter Ujfalusi 51c7b4477c dt-bindings: display: tfp410: Add bus-width parameter property
tfp410 can be connect to host processor in 24bit, single-edge (24 lines) or
12bit, dual-edge (12 lines).

Add bus-width to the documentation so it can be used to select between the
two connection scheme.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401124143.17179-2-peter.ujfalusi@ti.com
2019-04-12 09:39:01 +02:00
Dave Airlie 5c8c397c3e drm-misc-next for 5.2:
UAPI Changes:
 - None
 
 Cross-subsystem Changes:
 -MAINTAINERS: Add moderation flag for lima mailing list (Randy)
 -dt-bindings: Add Mali Bifrost bindings (Neil)
 -dt-bindings: Add G12A compatibility strings to meson bindings (Neil)
 
 Core Changes:
 -Add a handful of format helpers (Gerd)
 
 Driver Changes:
 -cirrus: Driver rewrite megapatch (Gerd)
 -meson: Add G12A support to meson driver (Neil)
 -lima: Couple fixes (Qiang)
 
 Cc: Gerd Hoffmann <kraxel@redhat.com>
 Cc: Randy Dunlap <rdunlap@infradead.org>
 Cc: Neil Armstrong <narmstrong@baylibre.com>
 Cc: Qiang Yu <yuq825@gmail.com>
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Merge tag 'drm-misc-next-2019-04-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
- None

Cross-subsystem Changes:
-MAINTAINERS: Add moderation flag for lima mailing list (Randy)
-dt-bindings: Add Mali Bifrost bindings (Neil)
-dt-bindings: Add G12A compatibility strings to meson bindings (Neil)

Core Changes:
-Add a handful of format helpers (Gerd)

Driver Changes:
-cirrus: Driver rewrite megapatch (Gerd)
-meson: Add G12A support to meson driver (Neil)
-lima: Couple fixes (Qiang)

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190410194907.GA108842@art_vandelay
2019-04-12 14:27:45 +10:00
Sean Paul 3bfaf1f704 Merge drm/drm-next into drm-misc-next
Finally have a reason for a backmerge other than "it's been a while"!

Backmerging drm-next to -misc-next to facilitate Rob Herring's work on
Panfrost.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
2019-04-10 15:50:49 -04:00
Neil Armstrong 6c28dca669 dt-bindings: display: amlogic, meson-dw-hdmi: Add G12A compatible and ports
The Amlogic G12A SoC has a slighly modified DW-HDMI Glue with
support for HDMI 2.1 and a different DW-HDMI register access.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190313141030.5958-3-narmstrong@baylibre.com
2019-04-09 11:11:21 +02:00
Neil Armstrong 71bfbaa47b dt-bindings: display: amlogic, meson-vpu: Add G12A compatible and ports
The Amlogic G12A VPU is very similar to the Amlogic GXM VPU but with :
- an enhanced plane blender, with up to 3 OSD planes
- support for AFBC 1.2 decoder (for Bifrost GPU)
- support display mode up to 4k60@75Hz

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190313141030.5958-2-narmstrong@baylibre.com
2019-04-09 11:11:04 +02:00
Neil Armstrong ebc41018d8 dt-bindings: gpu: add bindings for the ARM Mali Bifrost GPU
Add the bindings for the Bifrost family of ARM Mali GPUs.

The Bifrost GPU architecture is similar to the Midgard family,
but with a different Shader Core & Execution Engine structures.

Bindings are based on the Midgard family bindings, but the inner
architectural changes makes it a separate family needing separate
bindings.

The Bifrost GPUs are present in a number of recent SoCs, like the
Amlogic G12A Family, and many other vendors.
The Amlogic vendor specific compatible is added to handle the
specific IP integration differences and dependencies.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[narmstrong: fixed small typo in compatible description]
Link: https://patchwork.freedesktop.org/patch/msgid/20190401080949.14550-1-narmstrong@baylibre.com
2019-04-09 10:18:31 +02:00
Linus Torvalds d8491223bc ARM: SoC fixes
A collection of fixes from the last few weeks. Most of them are smaller
 tweaks and fixes to DT and hardware descriptions for boards. Some of the
 more significant ones are:
 
  - eMMC and RGMII stability tweaks for rk3288
  - DDC fixes for Rock PI 4
  - Audio fixes for two TI am335x eval boards
  - D_CAN clock fix for am335x
  - Compilation fixes for clang
  - !SMP compilation fix for one of the new platforms this release (milbeaut)
  - A revert of a gpio fix for nomadik that instead was fixed in the gpio
    subsystem
  - Whitespace fix for the DT JSON schema (no tabs allowed)
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Olof Johansson:
 "A collection of fixes from the last few weeks. Most of them are
  smaller tweaks and fixes to DT and hardware descriptions for boards.
  Some of the more significant ones are:

   - eMMC and RGMII stability tweaks for rk3288

   - DDC fixes for Rock PI 4

   - Audio fixes for two TI am335x eval boards

   - D_CAN clock fix for am335x

   - Compilation fixes for clang

   - !HOTPLUG_CPU compilation fix for one of the new platforms this
     release (milbeaut)

   - A revert of a gpio fix for nomadik that instead was fixed in the
     gpio subsystem

   - Whitespace fix for the DT JSON schema (no tabs allowed)"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
  ARM: milbeaut: fix build with !CONFIG_HOTPLUG_CPU
  ARM: iop: don't use using 64-bit DMA masks
  ARM: orion: don't use using 64-bit DMA masks
  Revert "ARM: dts: nomadik: Fix polarity of SPI CS"
  dt-bindings: cpu: Fix JSON schema
  arm/mach-at91/pm : fix possible object reference leak
  ARM: dts: at91: Fix typo in ISC_D0 on PC9
  ARM: dts: Fix dcan clkctrl clock for am3
  reset: meson-audio-arb: Fix missing .owner setting of reset_controller_dev
  dt-bindings: reset: meson-g12a: Add missing USB2 PHY resets
  ARM: dts: rockchip: Remove #address/#size-cells from rk3288-veyron gpio-keys
  ARM: dts: rockchip: Remove #address/#size-cells from rk3288 mipi_dsi
  ARM: dts: rockchip: Fix gpu opp node names for rk3288
  ARM: dts: am335x-evmsk: Correct the regulators for the audio codec
  ARM: dts: am335x-evm: Correct the regulators for the audio codec
  ARM: OMAP2+: add missing of_node_put after of_device_is_available
  ARM: OMAP1: ams-delta: Fix broken GPIO ID allocation
  arm64: dts: stratix10: add the sysmgr-syscon property from the gmac's
  arm64: dts: rockchip: fix rk3328 sdmmc0 write errors
  arm64: dts: rockchip: fix rk3328 rgmii high tx error rate
  ...
2019-04-07 13:46:17 -10:00
Maxime Ripard ac0722f23f dt-bindings: cpu: Fix JSON schema
Commit fd73403a48 ("dt-bindings: arm: Add SMP enable-method for
Milbeaut") added support for a new cpu enable-method, but did so using
tabulations to ident. This is however invalid in the syntax, and resulted
in a failure when trying to use that schemas for validation.

Use spaces instead of tabs to indent to fix this.

Fixes: fd73403a48 ("dt-bindings: arm: Add SMP enable-method for Milbeaut")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2019-04-07 15:12:21 -07:00
Waiman Long be87ab0afd psi: clarify the units used in pressure files
The output of the PSI files show a bunch of numbers with no unit.  The
psi.txt documentation file also does not indicate what units are used.
One can only find out by looking at the source code.  The units are
percentage for the averages and useconds for the total.  Make the
information easier to find by documenting the units in psi.txt.

Link: http://lkml.kernel.org/r/20190402193810.3450-1-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-04-05 16:02:31 -10:00
Dave Rodgman b11ed18efa lib/lzo: fix bugs for very short or empty input
For very short input data (0 - 1 bytes), lzo-rle was not behaving
correctly.  Fix this behaviour and update documentation accordingly.

For zero-length input, lzo v0 outputs an end-of-stream marker only,
which was misinterpreted by lzo-rle as a bitstream version number.
Ensure bitstream versions > 0 require a minimum stream length of 5.

Also fixes a bug in handling the tail for very short inputs when a
bitstream version is present.

Link: http://lkml.kernel.org/r/20190326165857.34613-1-dave.rodgman@arm.com
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-04-05 16:02:30 -10:00
Sean Paul 91b350a605 Documentation/gpu/meson: Remove link to meson_canvas.c
The file was removed in the below patch and is causing this error:
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function Canvas ../drivers/gpu/drm/meson/meson_canvas.c' failed with return code

Fixes: 2bf6b5b0e3 ("drm/meson: exclusively use the canvas provider module")
Cc: Maxime Jourdan <mjourdan@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403205652.183496-1-sean@poorly.run
2019-04-05 08:35:05 -04:00
Linus Torvalds 0548740e53 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Several hash table refcount fixes in batman-adv, from Sven
    Eckelmann.

 2) Use after free in bpf_evict_inode(), from Daniel Borkmann.

 3) Fix mdio bus registration in ixgbe, from Ivan Vecera.

 4) Unbounded loop in __skb_try_recv_datagram(), from Paolo Abeni.

 5) ila rhashtable corruption fix from Herbert Xu.

 6) Don't allow upper-devices to be added to vrf devices, from Sabrina
    Dubroca.

 7) Add qmi_wwan device ID for Olicard 600, from Bjørn Mork.

 8) Don't leave skb->next poisoned in __netif_receive_skb_list_ptype,
    from Alexander Lobakin.

 9) Missing IDR checks in mlx5 driver, from Aditya Pakki.

10) Fix false connection termination in ktls, from Jakub Kicinski.

11) Work around some ASPM issues with r8169 by disabling rx interrupt
    coalescing on certain chips. From Heiner Kallweit.

12) Properly use per-cpu qstat values on NOLOCK qdiscs, from Paolo
    Abeni.

13) Fully initialize sockaddr_in structures in SCTP, from Xin Long.

14) Various BPF flow dissector fixes from Stanislav Fomichev.

15) Divide by zero in act_sample, from Davide Caratti.

16) Fix bridging multicast regression introduced by rhashtable
    conversion, from Nikolay Aleksandrov.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (106 commits)
  ibmvnic: Fix completion structure initialization
  ipv6: sit: reset ip header pointer in ipip6_rcv
  net: bridge: always clear mcast matching struct on reports and leaves
  libcxgb: fix incorrect ppmax calculation
  vlan: conditional inclusion of FCoE hooks to match netdevice.h and bnx2x
  sch_cake: Make sure we can write the IP header before changing DSCP bits
  sch_cake: Use tc_skb_protocol() helper for getting packet protocol
  tcp: Ensure DCTCP reacts to losses
  net/sched: act_sample: fix divide by zero in the traffic path
  net: thunderx: fix NULL pointer dereference in nicvf_open/nicvf_stop
  net: hns: Fix sparse: some warnings in HNS drivers
  net: hns: Fix WARNING when remove HNS driver with SMMU enabled
  net: hns: fix ICMP6 neighbor solicitation messages discard problem
  net: hns: Fix probabilistic memory overwrite when HNS driver initialized
  net: hns: Use NAPI_POLL_WEIGHT for hns driver
  net: hns: fix KASAN: use-after-free in hns_nic_net_xmit_hw()
  flow_dissector: rst'ify documentation
  ipv6: Fix dangling pointer when ipv6 fragment
  net-gro: Fix GRO flush when receiving a GSO packet.
  flow_dissector: document BPF flow dissector environment
  ...
2019-04-04 18:07:12 -10:00
Dave Airlie 14d2bd53a4 drm-misc-next for 5.2:
UAPI Changes:
 -syncobj: Add TIMELINE_WAIT|QUERY|TRANSFER|TIMELINE_SIGNAL ioctls (Chunming)
 -Clarify that 1.0 can be represented by drm_color_lut (Daniel)
 
 Cross-subsystem Changes:
 -dt-bindings: Add binding for rk3066 hdmi (Johan)
 -dt-bindings: Add binding for Feiyang FY07024DI26A30-D panel (Jagan)
 -dt-bindings: Add Rocktech vendor prefix and jh057n00900 panel bindings (Guido)
 -MAINTAINERS: Add lima and ASPEED entries (Joel & Qiang)
 
 Core Changes:
 -memory: use dma_alloc_coherent when mem encryption is active (Christian)
 -dma_buf: add support for a dma_fence chain (Christian)
 -shmem_gem: fix off-by-one bug in new shmem gem helpers (Dan)
 
 Driver Changes:
 -rockchip: Add support for rk3066 hdmi (Johan)
 -ASPEED: Add driver supporting ASPEED BMC display controller to drm (Joel)
 -lima: Add driver supporting Arm Mali4xx gpus to drm (Qiang)
 -vc4/v3d: Various cleanups and improved error handling (Eric)
 -panel: Add support for Feiyang FY07024DI26A30-D MIPI-DSI panel (Jagan)
 -panel: Add support for Rocktech jh057n00900 MIPI-DSI panel (Guido)
 
 Cc: Johan Jonker <jbx6244@gmail.com>
 Cc: Christian König <christian.koenig@amd.com>
 Cc: Chunming Zhou <david1.zhou@amd.com>
 Cc: Dan Carpenter <dan.carpenter@oracle.com>
 Cc: Eric Anholt <eric@anholt.net>
 Cc: Qiang Yu <yuq825@gmail.com>
 Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
 Cc: Jagan Teki <jagan@amarulasolutions.com>
 Cc: Guido Günther <agx@sigxcpu.org>
 Cc: Joel Stanley <joel@jms.id.au>
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Merge tag 'drm-misc-next-2019-04-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
-syncobj: Add TIMELINE_WAIT|QUERY|TRANSFER|TIMELINE_SIGNAL ioctls (Chunming)
-Clarify that 1.0 can be represented by drm_color_lut (Daniel)

Cross-subsystem Changes:
-dt-bindings: Add binding for rk3066 hdmi (Johan)
-dt-bindings: Add binding for Feiyang FY07024DI26A30-D panel (Jagan)
-dt-bindings: Add Rocktech vendor prefix and jh057n00900 panel bindings (Guido)
-MAINTAINERS: Add lima and ASPEED entries (Joel & Qiang)

Core Changes:
-memory: use dma_alloc_coherent when mem encryption is active (Christian)
-dma_buf: add support for a dma_fence chain (Christian)
-shmem_gem: fix off-by-one bug in new shmem gem helpers (Dan)

Driver Changes:
-rockchip: Add support for rk3066 hdmi (Johan)
-ASPEED: Add driver supporting ASPEED BMC display controller to drm (Joel)
-lima: Add driver supporting Arm Mali4xx gpus to drm (Qiang)
-vc4/v3d: Various cleanups and improved error handling (Eric)
-panel: Add support for Feiyang FY07024DI26A30-D MIPI-DSI panel (Jagan)
-panel: Add support for Rocktech jh057n00900 MIPI-DSI panel (Guido)

Cc: Johan Jonker <jbx6244@gmail.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Joel Stanley <joel@jms.id.au>
[airlied: fixed XA limit build breakage, Rodrigo also submitted the same patch, but
I squashed it in the merge.]
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404201016.GA139524@art_vandelay
2019-04-05 11:38:02 +10:00
Stanislav Fomichev 5eed789862 flow_dissector: rst'ify documentation
Rename bpf_flow_dissector.txt to bpf_flow_dissector.rst and fix
formatting. Also, link it from the Documentation/networking/index.rst.

Tested with 'make htmldocs' to make sure it looks reasonable.

Fixes: ae82899bbe ("flow_dissector: document BPF flow dissector environment")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-04 15:25:23 +02:00
Joel Stanley eff9f244c1 dt-bindings: gpu: Add ASPEED GFX bindings document
This describes the ASPEED BMC SoC's display controller.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403001909.31637-2-joel@jms.id.au
2019-04-04 11:36:26 +10:30
Guido Günther 89c30fcb39 dt-bindings: Add Rocktech jh057n00900 panel bindings
The Rocktec jh057n00900 is a 5.5" MIPI DSI video mode panel with a
720x1440 resolution and a built in backlight.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ec59b22907ac28764ffb3bec33445b6e019945a4.1554114302.git.agx@sigxcpu.org
2019-04-03 18:44:41 +02:00
Guido Günther 3ecd76d964 dt-bindings: Add vendor prefix for ROCKTECH DISPLAYS LIMITED
Add ROCKTECH DISPLAYS LIMITED (https://rocktech.com.hk) LCD panel
supplier.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b8db03faa344c834e6cc81eef1eca154e1a1bd90.1554114302.git.agx@sigxcpu.org
2019-04-03 18:44:40 +02:00
Guido Günther 8c089d642f dt-bindings: display/panel: Add missing unit names
Some examples were missing the unit names triggering

 Warning (unit_address_vs_reg): .../panel: node has a reg or ranges property, but no unit name

warnings when used verbatim in DTs and running dtc with W=1.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/901e836ea06889a9d91a799102b2a6b836d93dcd.1553529797.git.agx@sigxcpu.org
2019-04-03 18:44:40 +02:00
Jagan Teki 7f347dd535 dt-bindings: panel: Add Feiyang FY07024DI26A30-D MIPI-DSI LCD panel
Feiyang FY07024DI26A30-D is 1024x600, 4-lane MIPI-DSI LCD panel.

Add dt-bingings for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190212204109.3528-1-jagan@amarulasolutions.com
2019-04-03 18:44:39 +02:00
Stanislav Fomichev ae82899bbe flow_dissector: document BPF flow dissector environment
Short doc on what BPF flow dissector should expect in the input
__sk_buff and flow_keys.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-03 16:49:48 +02:00