openwrt/staging/blogic.git
9 years agoMerge tag 'imx-drm-fixes-2015-03-31' of git://git.pengutronix.de/git/pza/linux into...
Dave Airlie [Wed, 8 Apr 2015 01:19:24 +0000 (11:19 +1000)]
Merge tag 'imx-drm-fixes-2015-03-31' of git://git.pengutronix.de/git/pza/linux into drm-next

imx-drm limit fixes

Fix IPU IC downscaler to its hardware limitation of 4:1 and the
IPU DI pixel clock divider integer part to 8-bit.

* tag 'imx-drm-fixes-2015-03-31' of git://git.pengutronix.de/git/pza/linux:
  gpu: ipu-v3: turns out the IPU can only downsize 4:1
  gpu: ipu-v3: limit pixel clock divider to 8-bits
  drm/radeon: programm the VCE fw BAR as well
  drm/radeon: always dump the ring content if it's available
  radeon: Do not directly dereference pointers to BIOS area.
  drm/radeon/dpm: fix 120hz handling harder

9 years agoMerge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into drm...
Dave Airlie [Wed, 8 Apr 2015 01:14:40 +0000 (11:14 +1000)]
Merge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into drm-next

1) support for "stolen mem" for splash-screen take-over
2) additional hdmi pixel clks
3) various pipe flush related fixes
4) support for snapdragon 410 (8x16)
5) support for DSI and dual-DSI

It includes one small patch to export tile-group functions (which was ack'd
by you), as these are used to explain to userspace dual-dsi configurations
(with left and right tile).

* 'msm-next' of git://people.freedesktop.org/~robclark/linux: (24 commits)
  drm/msm/mdp5: Enable DSI connector in msm drm driver
  drm/msm: Initial add DSI connector support
  drm/msm: Add split display interface
  drm/msm/mdp5: Move *_modeset_init out of construct_encoder function
  drm: export tile-group functions
  drm/msm/mdp5: Remove CTL flush dummy bits
  drm/msm/mdp5: Update headers (add CTL flush bits)
  drm/msm/mdp5: Add hardware configuration for msm8x16
  drm/msm/mdp5: Get SMP client list from mdp5_cfg
  drm/msm/mdp5: Update headers (remove enum mdp5_client_id)
  drm/msm/mdp5: Separate MDP5 domain from MDSS domain
  drm/msm/mdp5: Update headers (introduce MDP5 domain)
  drm/msm/dsi: Update generated DSI header file
  drm/msm/mdp5: Fix PIPE source image size settings
  drm/msm/mdp5: Update generated mdp5 header file with DSI support
  drm/msm/mdp5: Add pingpong entry to mdp5 config table
  drm/msm/mdp5: Make the intf connection in config module
  drm/msm/mdp5: Add START signal to kick off certain pipelines
  drm/msm/mdp5: Enhance operation mode for pipeline configuration
  drm/msm/mdp5: Update generated header files
  ...

9 years agoMerge tag 'drm/panel/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Wed, 8 Apr 2015 01:14:10 +0000 (11:14 +1000)]
Merge tag 'drm/panel/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.1-rc1

This set of changes adds support for a whole bunch of new panels, mostly
simple ones. There's now also support for panels to provide display
timings rather than fixed modes, which should allow panels to work with
a larger number of display drivers. Eventually drivers should migrate to
this new interface and the fixed modes removed from panels.

There are also a couple of sparse fixes for the PS8622 and PS8625 bridge
drivers.

* tag 'drm/panel/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/panel: Add support for Ampire AM-800480R3TMQW-A1H 800x480 7" panel
  of: Add vendor prefix for Ampire Co., Ltd.
  drm/panel: Add display timing for HannStar HSD070PWW1
  drm/panel: simple: Add display timing support
  drm/panel: Add display timing support
  drm/panel: Add support for OrtusTech COM43H4M85ULC panel
  of: Add vendor prefix for Ortus Technology Co., Ltd.
  drm/panel: Add bus format for Giantplus GPG482739QS5 panel
  drm/panel: simple: Add support for AUO b101ean01 panel
  drm/panel: simple: Add support for Innolux ZJ070NA-01P
  drm/panel: simple: Add support for Innolux AT043TN24
  drm/panel: simple: Add support for Shelly SCA07010-BFN-LNN
  drm/panel: simple: Add support for Samsung LTN140AT29 panel
  drm: Remove unused DRM_MODE_OBJECT_BRIDGE
  drm/bridge: ptn3460: Fix sparse warnings
  drm/bridge: ps8622: Fix sparse warnings
  drm/bridge: Add I2C based driver for ps8622/ps8625 bridge

9 years agoMerge tag 'drm/tegra/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Wed, 8 Apr 2015 01:13:06 +0000 (11:13 +1000)]
Merge tag 'drm/tegra/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/tegra: Changes for v4.1-rc1

Perhaps the most noteworthy change in this set is the implementation of
a hardware VBLANK counter using host1x syncpoints. The SOR registers can
now be dumped via debugfs, which can be useful while debugging. The IOVA
address space maintained by the driver can also be dumped via debugfs.

Other than than, these changes are mostly cleanup work, such as making
register names more consistent or removing unused code (that was left
over after the atomic mode-setting conversion). There's also a fix for
eDP that makes the driver cope with firmware that already initialized
the display (such as the firmware on the Tegra-based Chromebooks).

* tag 'drm/tegra/for-4.1-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/tegra: sor: Reset during initialization
  drm/tegra: gem: Return 64-bit offset for mmap(2)
  drm/tegra: hdmi: Name register fields consistently
  drm/tegra: hdmi: Resets are synchronous
  drm/tegra: dc: Document tegra_dc_state_setup_clock()
  drm/tegra: dc: Remove unused callbacks
  drm/tegra: dc: Remove unused function
  drm/tegra: dc: Use base atomic state helpers
  drm/atomic: Add helpers for state-subclassing drivers
  drm/tegra: dc: Implement hardware VBLANK counter
  gpu: host1x: Export host1x_syncpt_read()
  drm/tegra: sor: Dump registers via debugfs
  drm/tegra: sor: Registers are 32-bit
  drm/tegra: Provide debugfs file for the IOVA space
  drm/tegra: dc: Check for valid parent clock

9 years agoMerge tag 'omapdrm-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux...
Dave Airlie [Wed, 8 Apr 2015 01:11:48 +0000 (11:11 +1000)]
Merge tag 'omapdrm-4.1' of git://git./linux/kernel/git/tomba/linux into drm-next

omapdrm changes for 4.1

* universal plane support
* refactoring to prepare work atomic modesetting work
* a lot of small fixes

* tag 'omapdrm-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (36 commits)
  drm/omap: tiler: add hibernation callback
  drm/omap: add hibernation callbacks
  drm/omap: keep ref to old_fb
  drm/omap: fix race conditon in DMM
  drm/omap: fix race condition with dev->obj_list
  drm/omap: do not use BUG_ON(!spin_is_locked(x))
  drm/omap: only ignore DIGIT SYNC LOST for TV output
  drm/omap: fix race with error_irq
  drm/omap: use DRM_ERROR_RATELIMITED() for error irqs
  drm/omap: stop connector polling during suspend
  drm/omap: remove dummy PM functions
  drm/omap: tiler: fix race condition with engine->async
  drm/omap: fix plane's channel selection
  drm/omap: fix TILER on OMAP5
  drm/omap: handle incompatible buffer stride and pixel size
  drm/omap: fix error handling in omap_framebuffer_create()
  drm/omap: fix operation without fbdev
  drm/omap: add a comment why locking is missing
  drm/omap: add pin refcounting to omap_framebuffer
  drm/omap: clear omap_obj->paddr in omap_gem_put_paddr()
  ...

9 years agoMerge branch 'drm-next0401' of git://github.com/markyzq/kernel-drm-rockchip into...
Dave Airlie [Wed, 8 Apr 2015 01:10:56 +0000 (11:10 +1000)]
Merge branch 'drm-next0401' of git://github.com/markyzq/kernel-drm-rockchip into drm-next

   These are based on drm-next branch, fix some drm/rockchip problem.
   Please pull them.

* 'drm-next0401' of git://github.com/markyzq/kernel-drm-rockchip:
  drm/rockchip: vop: add vop power domain support
  drm: rockchip: Turn off VT switching on suspend
  drm/rockchip: register all connectors after bind
  drm/rockchip: fix clk enable disable mismatch in vop_crtc_mode_set

9 years agodrm/rockchip: vop: add vop power domain support
Mark Yao [Wed, 1 Apr 2015 05:48:53 +0000 (13:48 +0800)]
drm/rockchip: vop: add vop power domain support

Reference the power domain incase vop power down when
in use.

Signed-off-by: Mark Yao <yzq@rock-chips.com>
9 years agodrm: rockchip: Turn off VT switching on suspend
Caesar Wang [Tue, 31 Mar 2015 10:22:50 +0000 (18:22 +0800)]
drm: rockchip: Turn off VT switching on suspend

drm/rockchip already has support for disabling all displays on suspend
and enabling them on resume.

Disable automatic VT switching on suspend by the pm console tracking
layer.

Tested on veyron, used `echo mem > sys/power/state`
  => verified no VT switch

Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
9 years agodrm/rockchip: register all connectors after bind
Daniel Kurtz [Fri, 30 Jan 2015 09:14:17 +0000 (10:14 +0100)]
drm/rockchip: register all connectors after bind

Register connectors with userspace after all components are bound.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Dominik Behr <dbehr@chromium.org>
drm_connector_get_name -> connector->name
This patch is necessary to make X11 see screens it seems.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
9 years agodrm/rockchip: fix clk enable disable mismatch in vop_crtc_mode_set
Heiko Stuebner [Fri, 30 Jan 2015 19:28:48 +0000 (20:28 +0100)]
drm/rockchip: fix clk enable disable mismatch in vop_crtc_mode_set

The function disables the dclk at the beginning, so don't simply return
when an error happens, but instead enable the clock again, so that
enable and disable calls are balanced.

ret_clk is introduced to hold the clk_enable result and not mangle the
original error code.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
9 years agodrm/panel: Add support for Ampire AM-800480R3TMQW-A1H 800x480 7" panel
Philipp Zabel [Wed, 11 Feb 2015 17:50:09 +0000 (18:50 +0100)]
drm/panel: Add support for Ampire AM-800480R3TMQW-A1H 800x480 7" panel

This adds support for the AM-800480R3TMQW-A1H 7" 800x480 panel to the
DRM simple panel driver.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agoof: Add vendor prefix for Ampire Co., Ltd.
Philipp Zabel [Wed, 11 Feb 2015 17:50:08 +0000 (18:50 +0100)]
of: Add vendor prefix for Ampire Co., Ltd.

Add Ampire Co., Ltd. to the list of device tree vendor prefixes.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: Add display timing for HannStar HSD070PWW1
Philipp Zabel [Thu, 11 Dec 2014 17:32:46 +0000 (18:32 +0100)]
drm/panel: Add display timing for HannStar HSD070PWW1

The HannStar HSD070PWW1 LVDS panel data sheet lists allowed ranges
additionally to the typical values for pixel clock rate (64.3-82 MHz)
and blanking intervals (54-681 clock cycles horizontally, 3-23 lines
vertically).

This patch replaces this panel's display mode with the display timing
information to describe acceptable timings. Since the HSYNC and VSYNC
are unused, the distribution between front porches, back porches, and
sync pulse lengths was chosen at will.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add display timing support
Philipp Zabel [Thu, 11 Dec 2014 17:32:45 +0000 (18:32 +0100)]
drm/panel: simple: Add display timing support

The simple panel driver's ->get_modes() implementation calculates the
display mode list from the typical timings and the ->get_timings()
implementation returns the timings to the connected encoder for mode
validation and fixup.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[treding@nvidia.com: select VIDEOMODE_HELPERS]
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: Add display timing support
Philipp Zabel [Thu, 11 Dec 2014 17:32:44 +0000 (18:32 +0100)]
drm/panel: Add display timing support

Many panel data sheets, additionally to typical values, list allowed
ranges for timings such as hsync/vsync lengths, porches, and the pixel
clock rate. These can be stored in a struct display_timing, to be used
by an encoder mode_fixup callback to clamp user provided timing values
or to validate workarounds for clock source limitations.

This patch adds a new drm_panel_funcs callback that returns the panel's
available display_timing entries.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: Add support for OrtusTech COM43H4M85ULC panel
Philipp Zabel [Wed, 11 Feb 2015 17:50:11 +0000 (18:50 +0100)]
drm/panel: Add support for OrtusTech COM43H4M85ULC panel

This adds support for the COM43H4M85ULC 3.7" 800x480 panel to the
DRM simple panel driver.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agoof: Add vendor prefix for Ortus Technology Co., Ltd.
Philipp Zabel [Wed, 11 Feb 2015 17:50:10 +0000 (18:50 +0100)]
of: Add vendor prefix for Ortus Technology Co., Ltd.

Add Ortus Technology Co., Ltd. to the list of device tree vendor prefixes.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: Add bus format for Giantplus GPG482739QS5 panel
Philipp Zabel [Wed, 11 Feb 2015 17:50:07 +0000 (18:50 +0100)]
drm/panel: Add bus format for Giantplus GPG482739QS5 panel

This patch adds the bus_format field to the GPG482739QS5 panel structure.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add support for AUO b101ean01 panel
Huang Lin [Sat, 28 Feb 2015 02:18:58 +0000 (10:18 +0800)]
drm/panel: simple: Add support for AUO b101ean01 panel

The AUO b101ean01 panel is a 10.1" 1280x800 panel which can be supported
by the simple panel driver.

Signed-off-by: Huang Lin <hl@rock-chips.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add support for Innolux ZJ070NA-01P
Michael Grzeschik [Thu, 19 Mar 2015 11:22:44 +0000 (12:22 +0100)]
drm/panel: simple: Add support for Innolux ZJ070NA-01P

The Innolux ZJ070NA-01P is a 7.0" TFT LCD panel with an integrated LED
backlight unit.

This panel is used on the Technexion Toucan.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add support for Innolux AT043TN24
Nicolas Ferre [Thu, 19 Mar 2015 13:43:01 +0000 (14:43 +0100)]
drm/panel: simple: Add support for Innolux AT043TN24

The Innolux AT043TN24 4.3" WQVGA TFT LCD panel.
This panel with backlight is found in PDA 4.3" LCD screen (TM43xx series for
instance).

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add support for Shelly SCA07010-BFN-LNN
Boris BREZILLON [Thu, 19 Mar 2015 13:43:00 +0000 (14:43 +0100)]
drm/panel: simple: Add support for Shelly SCA07010-BFN-LNN

The Shelly SCA07010-BFN-LNN is a 7.0" WVGA TFT LCD panel.
This panel with backlight is found in PDA 7" LCD screen (TM70xx series for
instance).

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/panel: simple: Add support for Samsung LTN140AT29 panel
Stéphane Marchesin [Wed, 18 Mar 2015 09:52:18 +0000 (10:52 +0100)]
drm/panel: simple: Add support for Samsung LTN140AT29 panel

This panel is used by the Nyan Blaze board and can be supported by the
simple-panel driver.

Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
[tomeu.vizoso@collabora.com: add device tree binding document]
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: sor: Reset during initialization
Tomeu Vizoso [Mon, 30 Mar 2015 08:33:03 +0000 (10:33 +0200)]
drm/tegra: sor: Reset during initialization

As there isn't a way for the firmware on the Nyan Chromebooks to hand
over the display to the kernel, and the kernel isn't redoing the whole
configuration at present.

With this patch, the SOR is brought to a known state and we get correct
display on every boot.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: gem: Return 64-bit offset for mmap(2)
Sean Paul [Fri, 30 Jan 2015 18:57:01 +0000 (13:57 -0500)]
drm/tegra: gem: Return 64-bit offset for mmap(2)

On 64-bit targets, tegra_gem_mmap() only returns a partial offset to
userspace. As such, subsequent calls to mmap(2) may fail. Change the
arguments to use a 64-bit offset to fix this.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Erik Faye-Lund <kusmabite@gmail.com>
[treding@nvidia.com: tweak commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: hdmi: Name register fields consistently
Thierry Reding [Wed, 28 Jan 2015 15:32:52 +0000 (16:32 +0100)]
drm/tegra: hdmi: Name register fields consistently

Name the fields of the SOR_SEQ_CTL register consistently.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: hdmi: Resets are synchronous
Thierry Reding [Wed, 28 Jan 2015 15:14:26 +0000 (16:14 +0100)]
drm/tegra: hdmi: Resets are synchronous

Resets on Tegra are synchronous, so keep the clock enabled while
asserting the reset.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Document tegra_dc_state_setup_clock()
Thierry Reding [Wed, 28 Jan 2015 14:25:54 +0000 (15:25 +0100)]
drm/tegra: dc: Document tegra_dc_state_setup_clock()

This function is called by output drivers so should be documented. While
at it, move it to a more appropriate location.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Remove unused callbacks
Thierry Reding [Wed, 28 Jan 2015 14:10:48 +0000 (15:10 +0100)]
drm/tegra: dc: Remove unused callbacks

The ->mode_set() and ->mode_set_base() callbacks are no longer used with
full atomic mode-setting drivers, so remove them.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Remove unused function
Thierry Reding [Wed, 28 Jan 2015 14:08:40 +0000 (15:08 +0100)]
drm/tegra: dc: Remove unused function

The tegra_dc_setup_clock() function is unused after the conversion to
atomic mode-setting, so remove it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Use base atomic state helpers
Thierry Reding [Wed, 28 Jan 2015 14:01:22 +0000 (15:01 +0100)]
drm/tegra: dc: Use base atomic state helpers

Instead of duplicating the code, make use of the newly introduced atomic
state duplicate and destroy helpers. This allows changes to the base
atomic state handling to automatically propagate to the Tegra driver and
thereby prevent breakage resulting from both copies going out of sync.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/atomic: Add helpers for state-subclassing drivers
Thierry Reding [Wed, 28 Jan 2015 13:54:32 +0000 (14:54 +0100)]
drm/atomic: Add helpers for state-subclassing drivers

Drivers that subclass CRTC, plane or connector state need to carefully
duplicate the code that the atomic helpers have. This is bound to cause
breakage eventually because it requires auditing all drivers and update
them when code is added to the helpers.

In order to avoid that, implement new helpers that perform the required
steps when copying and destroying state. These new helpers are exported
so that state-subclassing drivers can use them. The default helpers are
implemented using them as well, providing a single location that needs
to be changed when adding to base atomic states.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Implement hardware VBLANK counter
Thierry Reding [Wed, 28 Jan 2015 13:43:05 +0000 (14:43 +0100)]
drm/tegra: dc: Implement hardware VBLANK counter

The display controller on Tegra can use syncpoints to count VBLANK
events. syncpoints are 32-bit unsigned integers, so well suited as
VBLANK counters.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agogpu: host1x: Export host1x_syncpt_read()
Thierry Reding [Wed, 28 Jan 2015 13:29:02 +0000 (14:29 +0100)]
gpu: host1x: Export host1x_syncpt_read()

This function is used to read the current value of the syncpt and is
useful in situations where drivers don't schedule work and wait for the
syncpoint to increment. One particular use-case is using the syncpoint
as a VBLANK counter.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: sor: Dump registers via debugfs
Thierry Reding [Mon, 26 Jan 2015 15:04:08 +0000 (16:04 +0100)]
drm/tegra: sor: Dump registers via debugfs

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: sor: Registers are 32-bit
Thierry Reding [Mon, 26 Jan 2015 15:02:48 +0000 (16:02 +0100)]
drm/tegra: sor: Registers are 32-bit

Use a sized unsigned 32-bit data type (u32) to store register contents.
The SOR registers are 32 bits wide irrespective of the architecture's
data width.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: Provide debugfs file for the IOVA space
Thierry Reding [Fri, 23 Jan 2015 08:16:03 +0000 (09:16 +0100)]
drm/tegra: Provide debugfs file for the IOVA space

The Tegra DRM driver uses a single IO virtual address space for buffer
mappings. Provide a table of the address space usage in debugfs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/tegra: dc: Check for valid parent clock
Thierry Reding [Thu, 22 Jan 2015 07:48:25 +0000 (08:48 +0100)]
drm/tegra: dc: Check for valid parent clock

Check that the desired parent clock is indeed a valid parent for the
display controller clock. This is purely cosmetic at this point since
the parent clocks are specified in DT and all the currently defined
parents are in fact valid parents of the display controller clock.

Signed-off-by: Thierry Reding <treding@nvidia.com>
9 years agodrm/msm/mdp5: Enable DSI connector in msm drm driver
Hai Li [Thu, 26 Mar 2015 23:25:17 +0000 (19:25 -0400)]
drm/msm/mdp5: Enable DSI connector in msm drm driver

This change adds the support in mdp5 kms driver for single
and dual DSI. Dual DSI case depends on the framework API
and sequence change to support dual data path.

v1: Initial change
v2: Address Rob Clark's comment
- Separate command mode encoder to a new file mdp5_cmd_encoder.c
- Rebase to not depend on msm_drm_sub_dev change

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm: Initial add DSI connector support
Hai Li [Tue, 31 Mar 2015 18:36:33 +0000 (14:36 -0400)]
drm/msm: Initial add DSI connector support

This change adds the DSI connector support in msm drm driver.

v1: Initial change
v2:
- Address comments from Archit + minor clean-ups
- Rebase to not depend on msm_drm_sub_dev change [Rob's comment]
v3: Fix issues when initialization is failed

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm: Add split display interface
Hai Li [Thu, 26 Mar 2015 23:25:15 +0000 (19:25 -0400)]
drm/msm: Add split display interface

This change is to add an interface to MDP for connector devices
setting split display information.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Move *_modeset_init out of construct_encoder function
Hai Li [Thu, 26 Mar 2015 23:25:14 +0000 (19:25 -0400)]
drm/msm/mdp5: Move *_modeset_init out of construct_encoder function

This change is to make the content in construct_encoder reflect its
name.
Also, DSI connector may be connected to video mode or command mode
encoder, so that 2 different encoders need to be constructed for DSI.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm: export tile-group functions
Rob Clark [Fri, 27 Mar 2015 17:01:52 +0000 (13:01 -0400)]
drm: export tile-group functions

Normally these are called from within drm core, from the EDID parsing
code.  But for dual-dsi in some drivers (at least drm/msm) we need to
call these from the driver.  So they should be exported.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Dave Airlie <airlied@redhat.com>
9 years agodrm/msm/mdp5: Remove CTL flush dummy bits
Stephane Viau [Tue, 24 Mar 2015 13:30:02 +0000 (09:30 -0400)]
drm/msm/mdp5: Remove CTL flush dummy bits

This TODO can now be removed and replaced by the previous patch
"drm/msm/mdp5: Update headers (add CTL flush bits)"

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Update headers (add CTL flush bits)
Stephane Viau [Tue, 24 Mar 2015 13:30:01 +0000 (09:30 -0400)]
drm/msm/mdp5: Update headers (add CTL flush bits)

Some upcoming targets have more bits to set in CTL_FLUSH
registers.

Example: msm8x16 needs to set TIMING1 bit so that some of the
INTF1's interface registers get flushed.

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Add hardware configuration for msm8x16
Stephane Viau [Tue, 24 Mar 2015 19:06:02 +0000 (15:06 -0400)]
drm/msm/mdp5: Add hardware configuration for msm8x16

This change adds the hw configuration for msm8x16 chipsets in
mdp5_cfg module.

Note that only one external display interface is present in this
configuration (DSI) but has not been enabled yet. It will be enabled
once drm/msm driver supports DSI connectors.

v2: add CTL flush register's hardware mask [pointed by Archit]

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Get SMP client list from mdp5_cfg
Stephane Viau [Mon, 9 Mar 2015 13:11:06 +0000 (09:11 -0400)]
drm/msm/mdp5: Get SMP client list from mdp5_cfg

SMP blocks are configured for specific client IDs (ports).
These client IDs can be different from one chip to another for a
given pipe.

e.g.: DMA0 pipe fetch Y component is connected to:
 - port #10 for MDP5 v1.3
 - port #4 for MDP5 v1.6

In order to be compatible for upcoming versions of MDP5, the
client ID list is passed through the MDP5 config module rather
than using a list of hard-coded enum values.

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Update headers (remove enum mdp5_client_id)
Stephane Viau [Mon, 9 Mar 2015 13:11:05 +0000 (09:11 -0400)]
drm/msm/mdp5: Update headers (remove enum mdp5_client_id)

This patch contains the generated header file of the following
change "drm/msm/mdp5: Get SMP client list from mdp5_cfg".

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Separate MDP5 domain from MDSS domain
Stephane Viau [Mon, 9 Mar 2015 13:11:04 +0000 (09:11 -0400)]
drm/msm/mdp5: Separate MDP5 domain from MDSS domain

MDP block is actually contained inside the MDSS block. For some
chipsets, the base address of the MDP registers is different from the
current (assumed) 0x100 offset.

Like CTL and LM blocks, this changes introduce a dynamic offset
for the MDP instance, which can be found out at runtime, once the
MDSS HW version is read.

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Update headers (introduce MDP5 domain)
Stephane Viau [Mon, 9 Mar 2015 13:11:03 +0000 (09:11 -0400)]
drm/msm/mdp5: Update headers (introduce MDP5 domain)

This change contains the generated header file for the following
change "drm/msm/mdp5: Separate MDP5 domain from MDSS domain".

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/dsi: Update generated DSI header file
Hai Li [Fri, 13 Mar 2015 23:24:15 +0000 (19:24 -0400)]
drm/msm/dsi: Update generated DSI header file

Prepare for initial DSI implementation

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Fix PIPE source image size settings
Hai Li [Thu, 5 Mar 2015 20:20:49 +0000 (15:20 -0500)]
drm/msm/mdp5: Fix PIPE source image size settings

The width and height in SSPP_SRC_IMG_SIZE register should be the
size of the entire source framebuffer, not the fetch size.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Update generated mdp5 header file with DSI support
Hai Li [Thu, 5 Mar 2015 20:20:48 +0000 (15:20 -0500)]
drm/msm/mdp5: Update generated mdp5 header file with DSI support

This change adds the registers in mdp5 ping pong blocks
and split display control registers.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Add pingpong entry to mdp5 config table
Hai Li [Thu, 5 Mar 2015 20:20:47 +0000 (15:20 -0500)]
drm/msm/mdp5: Add pingpong entry to mdp5 config table

Pingpong register base addresses are different across platforms.
This change adds this information to config table and initialize
the values for 8x74 and 8084.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Make the intf connection in config module
Stephane Viau [Fri, 13 Mar 2015 19:49:34 +0000 (15:49 -0400)]
drm/msm/mdp5: Make the intf connection in config module

Up until now, we assume that eDP is tight to intf_0 and HDMI to
intf_3. This information shall actually come from the mdp5_cfg
module since it can change from one chip to another.

v2: rename macro to mdp5_cfg_intf_is_virtual() [pointed by Archit]
v3: add sanity check before writing in INTF_TIMING_ENGINE_EN registers

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Add START signal to kick off certain pipelines
Stephane Viau [Fri, 13 Mar 2015 19:49:33 +0000 (15:49 -0400)]
drm/msm/mdp5: Add START signal to kick off certain pipelines

Some interfaces (WB, DSI Command Mode) need to be kicked off
through a START Signal. This signal needs to be sent at the right
time and requests in some cases to keep track of the pipeline
status (eg: whether pipeline registers are flushed AND output WB
buffers are ready, in case of WB interface).

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Enhance operation mode for pipeline configuration
Stephane Viau [Fri, 13 Mar 2015 19:49:32 +0000 (15:49 -0400)]
drm/msm/mdp5: Enhance operation mode for pipeline configuration

DSI and WB interfaces need a more complex pipeline configuration
than the current mdp5_ctl_set_intf().

For example, memory output connections need to be selected for
WB. Interface mode (Video vs. Command modes) also need to be
configured for DSI.

This change takes care of configuring the whole pipeline as far
as operation mode goes. DSI and WB interfaces will be added
later.

v2: rename macro to mdp5_cfg_intf_is_virtual() [pointed by Archit]

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
[Remove temp bisectability hack -Rob]
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: Update generated header files
Stephane Viau [Fri, 13 Mar 2015 19:49:31 +0000 (15:49 -0400)]
drm/msm/mdp5: Update generated header files

Prepare for pipeline operation mode configuration, in particular
for DSI and WB modes.

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
[Throw in a #define temporarily to keep things bisectable -Rob]
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp5: only flush on a CRTC ->atomic_flush()
Stephane Viau [Tue, 27 Jan 2015 16:35:56 +0000 (11:35 -0500)]
drm/msm/mdp5: only flush on a CRTC ->atomic_flush()

MDP5 hardware has some limitation and requires to avoid flushing
registers more than once between two Vblanks.

This change removes all FLUSH operations (except for HW cursor)
beside the one coming from a CRTC's ->atomic_flush().

This avoid this type of behavior (eg: CRTC + 1 plane overlay):

[drm:mdp5_crtc_vblank_irq] vblank
[drm:mdp5_ctl_commit] flush (20048)   CTL + LM0 + RGB0
[drm:mdp5_ctl_commit] flush (20040)   CTL + LM0
[drm:mdp5_crtc_vblank_irq] blank
[drm:mdp5_ctl_commit] flush (20049)   CTL + LM0 + RGB0 + VIG0
[drm:mdp5_crtc_vblank_irq] blank

and replaces it by:

[drm:mdp5_crtc_vblank_irq] vblank
[drm:mdp5_ctl_commit] flush (20048)   CTL + LM0 + RGB0
[drm:mdp5_crtc_vblank_irq] blank
[drm:mdp5_ctl_commit] flush (20049)   CTL + LM0 + RGB0 + VIG0
[drm:mdp5_crtc_vblank_irq] blank

Only *one* FLUSH is called between Vblanks interrupts.

Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/hdmi: add 74.176MHz and 154.0MHz pix clks
Rob Clark [Tue, 27 Jan 2015 14:05:59 +0000 (09:05 -0500)]
drm/msm/hdmi: add 74.176MHz and 154.0MHz pix clks

Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm: add support for "stolen" mem
Rob Clark [Tue, 3 Mar 2015 20:04:25 +0000 (15:04 -0500)]
drm/msm: add support for "stolen" mem

Add support to use the VRAM carveout (if specified in dtb) for fbdev
scanout buffer.  This allows drm/msm to take over a bootloader splash-
screen, and avoids corruption on screen that results if the kernel uses
memory that is still being scanned out for itself.

Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm: split out vram initialization
Rob Clark [Tue, 3 Mar 2015 20:04:24 +0000 (15:04 -0500)]
drm/msm: split out vram initialization

We'll want to extend this a bit to handle also a reserved-memory
("stolen") region, so that drm/msm can take-over bootloader splash
screen.  First split it out into it's own fxn to reduce noise in
the following patch.

Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/vgem: implement virtual GEM
Zach Reizner [Thu, 5 Mar 2015 00:33:41 +0000 (16:33 -0800)]
drm/vgem: implement virtual GEM

This patch implements the virtual GEM driver with PRIME sharing which
allows vgem to import a gem object from other drivers for the purpose
of mmap-ing them to userspace. The mmap is done using the mmap
operation exported by other drivers.

v2: remove platform_device and do not attach to dma bufs
v3: use drm helpers for get/put pages
v4: correct dumb create pitch

Reviewed-by: Rob Clark <robdclark@gmail.com> (v3)
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> (v3)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Zach Reizner <zachr@google.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agodrm/bochs: disable video before changing video mode
Chris Ruffin [Tue, 24 Mar 2015 20:57:42 +0000 (16:57 -0400)]
drm/bochs: disable video before changing video mode

qemu and simics simulators both seem to expect that video should be disabled
before changing the video mode.

references:
http://git.qemu.org/?p=qemu.git;a=blob;f=hw/display/vga.c;h=c0f7b343bbab586c8593d29c7a765f1e6ca3662c;hb=HEAD#l727
http://wiki.osdev.org/Bochs_VBE_Extensions#Setting_display_resolution_and_bit_depth

Signed-off-by: Chris Ruffin <chris.ruffin@intel.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agoMerge tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Tue, 31 Mar 2015 22:23:25 +0000 (08:23 +1000)]
Merge tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel into drm-next

Final drm-misc pull for 4.0, just various things all over, including a few
more important atomic fixes. btw I didn't pick up the vmwgfx patch from
Ville's series, but one patch has one hunk touching vmwgfx and
Thomas/Jakob didn't get around to ack it. I figured it's simple enough to
be ok though.

* tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel:
  drm: line wrap DRM_IOCTL_DEF* macros
  drm/atomic: Don't try to free a NULL state
  drm/atomic: Clear crtcs, connectors and planes when clearing state
  drm: Rewrite drm_ioctl_flags() to resemble the new drm_ioctl() code
  drm: Use max() to make the ioctl alloc size code cleaner
  drm: Simplify core vs. drv ioctl handling
  drm: Drop ioctl->cmd_drv
  drm: Fix DRM_IOCTL_DEF_DRV()
  drm/atomic-helpers: Properly avoid full modeset dance
  drm: atomic: Allow setting CRTC active property
  drm: atomic: Expose CRTC active property
  drm: crtc_helper: Update hwmode before mode_set call
  drm: mode: Allow NULL modes for equality check
  drm: fb_helper: Simplify exit condition
  drm: mode: Fix typo in kerneldoc
  drm/dp: Print the number of bytes processed for aux nacks

9 years agoMerge tag 'drm-intel-next-2015-03-27-merge' of git://anongit.freedesktop.org/drm...
Dave Airlie [Tue, 31 Mar 2015 22:21:46 +0000 (08:21 +1000)]
Merge tag 'drm-intel-next-2015-03-27-merge' of git://anongit.freedesktop.org/drm-intel into drm-next

This backmerges 4.0-rc6 due to the recent fixes in rc5/6

- DP link rate refactoring from Ville
- byt/bsw rps tuning from Chris
- kerneldoc for the shrinker code
- more dynamic ppgtt pte work (Michel, Ben, ...)
- vlv dpll code refactoring to prep fro bxt (Imre)
- refactoring the sprite colorkey code (Ville)
- rotated ggtt view support from Tvrtko
- roll out struct drm_atomic_state to prep for atomic update (Ander)

* tag 'drm-intel-next-2015-03-27-merge' of git://anongit.freedesktop.org/drm-intel: (473 commits)
  Linux 4.0-rc6
  arm64: juno: Fix misleading name of UART reference clock
  drm/i915: Update DRIVER_DATE to 20150327
  drm/i915: Skip allocating shadow batch for 0-length batches
  drm/i915: Handle error to get connector state when staging config
  drm/i915: Compare GGTT view structs instead of types
  drm/i915: fix simple_return.cocci warnings
  drm/i915: Add module param to test the load detect code
  drm/i915: Remove usage of encoder->new_crtc from clock computations
  drm/i915: Don't look at staged config crtc when changing DRRS state
  drm/i915: Convert intel_pipe_will_have_type() to using atomic state
  drm/i915: Pass an atomic state to modeset_global_resources() functions
  drm/i915: Add dynamic page trace events
  drm/i915: Finish gen6/7 dynamic page table allocation
  drm/i915: Remove unnecessary gen6_ppgtt_unmap_pages
  drm/i915: Fix i915_dma_map_single positive error code
  drm/i915: Prevent out of range pt in gen6_for_each_pde
  drm/i915: fix definition of the DRM_IOCTL_I915_GET_SPRITE_COLORKEY ioctl
  drm/i915: Rip out GET_SPRITE_COLORKEY ioctl
  watchdog: imgpdc: Fix default heartbeat
  ...

9 years agogpu: ipu-v3: turns out the IPU can only downsize 4:1
Philipp Zabel [Mon, 23 Mar 2015 10:16:21 +0000 (11:16 +0100)]
gpu: ipu-v3: turns out the IPU can only downsize 4:1

The value for downsizing 8:1 is marked as reserved in the technical reference
manual and the documentation states downsizing capability up to 4:1 only.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
9 years agogpu: ipu-v3: limit pixel clock divider to 8-bits
Philipp Zabel [Tue, 10 Mar 2015 14:03:43 +0000 (15:03 +0100)]
gpu: ipu-v3: limit pixel clock divider to 8-bits

The DI pixel clock divider bit field is only 8 bits wide for the
integer part, so limit the divider to the 1...255 interval before
deciding whether the internal clock can be used and before writing
to the register.

Reported-by: Felix Mellmann <felix.mellmann@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
9 years agodrm: line wrap DRM_IOCTL_DEF* macros
Emil Velikov [Mon, 30 Mar 2015 17:10:36 +0000 (17:10 +0000)]
drm: line wrap DRM_IOCTL_DEF* macros

Improve the readability and keeps the lines shorter than 80 columns.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agoMerge branch 'drm-atmel-hlcdc-4.1-fixes' of git://github.com/bbrezillon/linux-at91...
Dave Airlie [Tue, 31 Mar 2015 03:38:01 +0000 (13:38 +1000)]
Merge branch 'drm-atmel-hlcdc-4.1-fixes' of git://github.com/bbrezillon/linux-at91 into drm-next

add PM fix.

* 'drm-atmel-hlcdc-4.1-fixes' of git://github.com/bbrezillon/linux-at91:
  drm: atmel-hlcdc: use appropriate enabled flag in suspend/resume

9 years agoMerge tag 'drm-amdkfd-next-2015-03-25' of git://people.freedesktop.org/~gabbayo/linux...
Dave Airlie [Tue, 31 Mar 2015 03:36:25 +0000 (13:36 +1000)]
Merge tag 'drm-amdkfd-next-2015-03-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next

- Allow amdkfd to work with multiple kgd instances. This is in preparation for
  AMD's new open source kernel graphic driver (amdgpu), and for the new
  AMD APU, Carrizo.

- Convert timestamping to use 64bit time accessors

- Three other minor changes.

* tag 'drm-amdkfd-next-2015-03-25' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: Add multiple kgd support
  drm/amdkfd: Convert timestamping to use 64bit time accessors
  drm/amdkfd: add debug prints for process teardown
  drm/amdkfd: Remove unused field from struct qcm_process_device
  drm/amdkfd: rename fence_wait_timeout

9 years agodrm/atomic: Don't try to free a NULL state
Ander Conselvan de Oliveira [Mon, 30 Mar 2015 11:05:43 +0000 (14:05 +0300)]
drm/atomic: Don't try to free a NULL state

Consistently with other free functions, handle the NULL case without
oopsing.

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agoMerge tag 'v4.0-rc6' into drm-intel-next
Daniel Vetter [Mon, 30 Mar 2015 14:37:08 +0000 (16:37 +0200)]
Merge tag 'v4.0-rc6' into drm-intel-next

Backmerge Linux 4.0-rc6 because conflicts are (again) getting out of
hand. To make sure we don't lose any bugfixes from the 4.0-rc5-rc6
flurry of patches we've applied them all to -next too.

Conflicts:
drivers/gpu/drm/i915/intel_display.c

Always take the version from -next, we've already handled all
conflicts with explicit cherrypicking.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
9 years agodrm/atomic: Clear crtcs, connectors and planes when clearing state
Ander Conselvan de Oliveira [Mon, 30 Mar 2015 07:41:19 +0000 (10:41 +0300)]
drm/atomic: Clear crtcs, connectors and planes when clearing state

Users of the atomic state assume that if the pointer to a crtc, plane or
connector is not NULL in the respective object vector, than the state
for that object in *_states vector also won't be NULL. That assumption
was broken by drm_atomic_state_clear(), which would clear the state
pointer but leave the pointer to the object still set.

This fixes a NULL pointer dereference in i915 caused by the use of
drm_atomic_state_clear().

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agoMerge branch 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Mon, 30 Mar 2015 02:17:27 +0000 (12:17 +1000)]
Merge branch 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

A few more fixes for 4.0 for radeon.  Sorry for the delay, I was
a little under the weather this week and time got away from me.

* 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: programm the VCE fw BAR as well
  drm/radeon: always dump the ring content if it's available
  radeon: Do not directly dereference pointers to BIOS area.
  drm/radeon/dpm: fix 120hz handling harder

9 years agoLinux 4.0-rc6
Linus Torvalds [Sun, 29 Mar 2015 22:26:31 +0000 (15:26 -0700)]
Linux 4.0-rc6

9 years agoMerge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sun, 29 Mar 2015 22:09:31 +0000 (15:09 -0700)]
Merge tag 'armsoc-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "The latest and greatest fixes for ARM platform code.  Worth pointing
  out are:

   - Lines-wise, largest is a PXA fix for dealing with interrupts on DT
     that was quite broken.  It's still newish code so while we could
     have held this off, it seemed appropriate to include now

   - Some GPIO fixes for OMAP platforms added a few lines.  This was
     also fixes for code recently added (this release).

   - Small OMAP timer fix to behave better with partially upstreamed
     platforms, which is quite welcome.

   - Allwinner fixes about operating point control, reducing
     overclocking in some cases for better stability.

  plus a handful of other smaller fixes across the map"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: juno: Fix misleading name of UART reference clock
  ARM: dts: sunxi: Remove overclocked/overvoltaged OPP
  ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting
  ARM: socfpga: dts: fix spi1 interrupt
  ARM: dts: Fix gpio interrupts for dm816x
  ARM: dts: dra7: remove ti,hwmod property from pcie phy
  ARM: OMAP: dmtimer: disable pm runtime on remove
  ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure
  ARM: OMAP2+: Fix socbus family info for AM33xx devices
  ARM: dts: omap3: Add missing dmas for crypto
  ARM: dts: rockchip: disable gmac by default in rk3288.dtsi
  MAINTAINERS: add rockchip regexp to the ARM/Rockchip entry
  ARM: pxa: fix pxa interrupts handling in DT
  ARM: pxa: Fix typo in zeus.c
  ARM: sunxi: Have ARCH_SUNXI select RESET_CONTROLLER for clock driver usage

9 years agoMerge tag 'sunxi-fixes-for-4.0' of https://git.kernel.org/pub/scm/linux/kernel/git...
Olof Johansson [Sun, 29 Mar 2015 21:00:53 +0000 (14:00 -0700)]
Merge tag 'sunxi-fixes-for-4.0' of https://git./linux/kernel/git/mripard/linux into fixes

Allwinner fixes for 4.0

There's a few fixes to merge for 4.0, one to add a select in the machine
Kconfig option to fix a potential build failure, and two fixing cpufreq related
issues.

* tag 'sunxi-fixes-for-4.0' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: dts: sunxi: Remove overclocked/overvoltaged OPP
  ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting
  ARM: sunxi: Have ARCH_SUNXI select RESET_CONTROLLER for clock driver usage

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'fixes-v4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind...
Olof Johansson [Sun, 29 Mar 2015 20:58:54 +0000 (13:58 -0700)]
Merge tag 'fixes-v4.0-rc4' of git://git./linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps for the -rc cycle:

- Fix a device tree based booting vs legacy booting regression for
  omap3 crypto hardware by adding the missing DMA channels.

- Fix /sys/bus/soc/devices/soc0/family for am33xx devices.

- Fix two timer issues that can cause hangs if the timer related
  hwmod data is missing like it often initially is for new SoCs.

- Remove pcie hwmods entry from dts as that causes runtime PM to
  fail for the PHYs.

- A paper bag type dts configuration fix for dm816x GPIO
  interrupts that I just noticed. This is most of the changes
  diffstat wise, but as it's a basic feature for connecting
  devices and things work otherwise, it should be fixed.

* tag 'fixes-v4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Fix gpio interrupts for dm816x
  ARM: dts: dra7: remove ti,hwmod property from pcie phy
  ARM: OMAP: dmtimer: disable pm runtime on remove
  ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure
  ARM: OMAP2+: Fix socbus family info for AM33xx devices
  ARM: dts: omap3: Add missing dmas for crypto

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'socfpga_fix_for_v4.0_2' of git://git.rocketboards.org/linux-socfpga-next...
Olof Johansson [Sun, 29 Mar 2015 20:58:04 +0000 (13:58 -0700)]
Merge tag 'socfpga_fix_for_v4.0_2' of git://git.rocketboards.org/linux-socfpga-next into fixes

Late fix for v4.0 on the SoCFPGA platform:
- Fix interrupt number for SPI1 interface

* tag 'socfpga_fix_for_v4.0_2' of git://git.rocketboards.org/linux-socfpga-next:
  ARM: socfpga: dts: fix spi1 interrupt

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoarm64: juno: Fix misleading name of UART reference clock
Dave Martin [Tue, 17 Mar 2015 12:35:41 +0000 (12:35 +0000)]
arm64: juno: Fix misleading name of UART reference clock

The UART reference clock speed is 7273.8 kHz, not 72738 kHz.

Dots aren't usually used in node names even though ePAPR permits
them.  However, this can easily be avoided by expressing the
frequency in Hz, not kHz.

This patch changes the name to refclk7273800hz, reflecting the
actual clock speed.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'fixes-for-v4.0-rc5' of https://github.com/rjarzmik/linux into fixes
Olof Johansson [Sun, 29 Mar 2015 20:47:21 +0000 (13:47 -0700)]
Merge tag 'fixes-for-v4.0-rc5' of https://github.com/rjarzmik/linux into fixes

arm: pxa: fixes for v4.0-rc5

There are only 2 fixes, one for the zeus board about the regulator changes,
where a typo prevented the zeus board from having a working can regulator,
and one regression triggered by the interrupts IRQ shift of 16 affecting all
boards.

* tag 'fixes-for-v4.0-rc5' of https://github.com/rjarzmik/linux:
  ARM: pxa: fix pxa interrupts handling in DT
  ARM: pxa: Fix typo in zeus.c

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 28 Mar 2015 18:25:04 +0000 (11:25 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "Fix x86 syscall exit code bug that resulted in spurious non-execution
  of TIF-driven user-return worklets, causing big trouble for things
  like KVM that rely on user notifiers for correctness of their vcpu
  model, causing crashes like double faults"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/asm/entry: Check for syscall exit work with IRQs disabled

9 years agoMerge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 28 Mar 2015 18:21:23 +0000 (11:21 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull timer fixes from Ingo Molnar:
 "Two clocksource driver fixes, and an idle loop RCU warning fix"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/sun5i: Fix cpufreq interaction with sched_clock()
  clocksource/drivers: Fix various !CONFIG_HAS_IOMEM build errors
  timers/tick/broadcast-hrtimer: Fix suspicious RCU usage in idle loop

9 years agoMerge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 28 Mar 2015 18:17:32 +0000 (11:17 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
 "A single sched/rt corner case fix for RLIMIT_RTIME correctness"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix RLIMIT_RTTIME when PI-boosting to RT

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 28 Mar 2015 18:12:08 +0000 (11:12 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fix from Ingo Molnar:
 "A perf kernel side fix for a fuzzer triggered lockup"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix irq_work 'tail' recursion

9 years agoMerge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 28 Mar 2015 18:05:03 +0000 (11:05 -0700)]
Merge branch 'locking-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull locking fix from Ingo Molnar:
 "A module unload lockdep race fix"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep: Fix the module unload key range freeing logic

9 years agoMerge branch 'parisc-4.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
Linus Torvalds [Sat, 28 Mar 2015 17:58:53 +0000 (10:58 -0700)]
Merge branch 'parisc-4.0-1' of git://git./linux/kernel/git/deller/parisc-linux

Pull parsic fixes from Helge Deller:
 "One patch from Mikulas fixes a bug on parisc by artifically
  incrementing the counter in pmd_free when the kernel tries to free
  the preallocated pmd.

  Other than that we now prevent that syscalls gets added without
  incrementing __NR_Linux_syscalls and fix the initial pmd setup code
  if a default page size greater than 4k has been selected"

* 'parisc-4.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix pmd code to depend on PT_NLEVELS value, not on CONFIG_64BIT
  parisc: mm: don't count preallocated pmds
  parisc: Add compile-time check when adding new syscalls

9 years agoMerge git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Sat, 28 Mar 2015 17:54:59 +0000 (10:54 -0700)]
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm ppc bugfixes from Marcelo Tosatti.

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: PPC: Book3S HV: Fix instruction emulation
  KVM: PPC: Book3S HV: Endian fix for accessing VPA yield count
  KVM: PPC: Book3S HV: Fix spinlock/mutex ordering issue in kvmppc_set_lpcr()

9 years agoMerge tag 'arc-4.0-fixes-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 28 Mar 2015 17:47:27 +0000 (09:47 -0800)]
Merge tag 'arc-4.0-fixes-part-2' of git://git./linux/kernel/git/vgupta/arc

Pull ARC fixes from Vineet Gupta:
 "We found some issues with signal handling taking down the system.  I
  know its late, but these are important and all marked for stable.

  ARC signal handling related fixes uncovered during recent testing of
  NPTL tools"

* tag 'arc-4.0-fixes-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: signal handling robustify
  ARC: SA_SIGINFO ucontext regs off-by-one

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Sat, 28 Mar 2015 17:41:22 +0000 (10:41 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jmorris/linux-security

Pull selinux bugfix from James Morris.

Fix broken return value.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  selinux: fix sel_write_enforce broken return value

9 years agoMerge git://www.linux-watchdog.org/linux-watchdog
Linus Torvalds [Fri, 27 Mar 2015 21:45:42 +0000 (14:45 -0700)]
Merge git://www.linux-watchdog.org/linux-watchdog

Pull watchdog fixes from Wim Van Sebroeck:

 - mtk_wdt: signedness bug in mtk_wdt_start()

 - imgpdc: Fix NULL pointer dereference during probe and fix the default
   heartbeat

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: imgpdc: Fix default heartbeat
  watchdog: imgpdc: Fix probe NULL pointer dereference
  watchdog: mtk_wdt: signedness bug in mtk_wdt_start()

9 years agoMerge tag 'sound-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Fri, 27 Mar 2015 21:38:02 +0000 (14:38 -0700)]
Merge tag 'sound-4.0-rc6' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Three trivial oneliner fixes for HD-audio.

  Two are device-specific quirks while one is a generic fix for recent
  Realtek codecs"

* tag 'sound-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Add one more node in the EAPD supporting candidate list
  ALSA: hda_intel: apply the Seperate stream_tag for Sunrise Point
  ALSA: hda - Add dock support for Thinkpad T450s (17aa:5036)

9 years agodrm/i915: Update DRIVER_DATE to 20150327
Daniel Vetter [Fri, 27 Mar 2015 19:21:01 +0000 (20:21 +0100)]
drm/i915: Update DRIVER_DATE to 20150327

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm: Rewrite drm_ioctl_flags() to resemble the new drm_ioctl() code
Ville Syrjälä [Fri, 27 Mar 2015 13:52:00 +0000 (15:52 +0200)]
drm: Rewrite drm_ioctl_flags() to resemble the new drm_ioctl() code

Use the same logic when checking for valid ioctl range in
drm_ioctl_flags() that is used in drm_ioctl() to avoid
confusion.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm: Use max() to make the ioctl alloc size code cleaner
Ville Syrjälä [Fri, 27 Mar 2015 13:51:59 +0000 (15:51 +0200)]
drm: Use max() to make the ioctl alloc size code cleaner

Use max() to make the code to determine the allocation size for
the ioctl data easier to read.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm: Simplify core vs. drv ioctl handling
Ville Syrjälä [Fri, 27 Mar 2015 13:51:58 +0000 (15:51 +0200)]
drm: Simplify core vs. drv ioctl handling

Now that cmd_drv is gone the handling for core and driver ioctls is
mostly identical, so eliminate the duplication. Also take the
opportunity to simplify the range checks to be less cluttered.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm: Drop ioctl->cmd_drv
Ville Syrjälä [Fri, 27 Mar 2015 13:51:56 +0000 (15:51 +0200)]
drm: Drop ioctl->cmd_drv

ioctl->cmd_drv is pointless and we can just as well stick the full ioctl
definition into ioctl->cmd.

Cc: Jakob Bornecrantz <jakob@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm: Fix DRM_IOCTL_DEF_DRV()
Ville Syrjälä [Fri, 27 Mar 2015 13:51:55 +0000 (15:51 +0200)]
drm: Fix DRM_IOCTL_DEF_DRV()

Currently DRM_IOCTL_DEF_DRV does '[DRM_IOCTL_NR(DRM_##ioctl)]' which
doesn't make much sense since DRM_##ioctl is already a the raw ioctl
number. So change it to 'DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE'
which means the DRM_IOCTL_NR() now makes sense, and also this also means
if there's a mistake in the DRM_IOCTL_##ioctl macros we might get a
warning about it (eg. we would have gotten a sparse warning about the
i915 colorkey get/set ioctl being defined to be the same thing).

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
9 years agodrm/i915: Skip allocating shadow batch for 0-length batches
Chris Wilson [Fri, 27 Mar 2015 11:02:10 +0000 (11:02 +0000)]
drm/i915: Skip allocating shadow batch for 0-length batches

Since

commit 17cabf571e50677d980e9ab2a43c5f11213003ae
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Wed Jan 14 11:20:57 2015 +0000

    drm/i915: Trim the command parser allocations

we may then try to allocate a zero-sized object and attempt to extract
its pages. Understandably this fails.

Testcase: igt/gem_exec_nop #ivb,byt,hsw
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>