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Dave Airlie [Wed, 4 May 2016 07:37:20 +0000 (17:37 +1000)]
Merge branch 'exynos-drm-next' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-next
Summary:
- Support for pipeline clock between KMS drivers.
. Exynos SoC is required to control clocks across KMS drivers
according to Exynos SoC version. So this patch refactos
some relevant codes and provides generic solution for it.
- Add Exynos5433 SoC support to HDMI parts - HDMI and DECON-TV.
- Add HW trigger mode support to CRTC drivers.
. In case of using i80 Panel, some Exynos SoC supports HW trigger
mode so this patch makes trigger mode - HW or SW trigger - to be
set according to SoC version properly.
- And some cleanups and regression fixups.
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (39 commits)
drm/exynos: clean up register definions for fimd and decon
drm/exynos: decon: clean up interface type
drm/exynos: fimd: add HW trigger support
drm/exynos: clean up wait_for_vblank
drm/exynos: mixer: use generic of_device_get_match_data helper
drm/exynos: mixer: remove support for non-dt platforms
drm/exynos: hdmi: use generic of_device_get_match_data helper
drm/exynos: rotator: use generic of_device_get_match_data helper
drm/exynos: fimd: use generic of_device_get_match_data helper
drm/exynos: dsi: use generic of_device_get_match_data helper
drm/exynos: exynos5433_decon: use generic of_device_get_match_data helper
drm/exynos: convert clock_enable crtc callback to pipeline clock
drm/exynos/mixer: enable HDMI-PHY before configuring MIXER
drm/exynos/decon5433: enable HDMI-PHY before configuring DECON
drm/exynos: add support for pipeline clock to the framework
drm/exynos: add helper to get crtc from pipe
drm/exynos/decon5433: do not protect window in plane disable
drm/exynos/decon5433: reset decon on start
drm/exynos/decon5433: fix DECON standalone update
drm/exynos/hdmi: remove registry dump
...
Dave Airlie [Wed, 4 May 2016 07:30:53 +0000 (17:30 +1000)]
Merge tag 'drm-vc4-next-2016-05-02' of https://github.com/anholt/linux into drm-next
This pull request brings in DPI panel support, gamma ramp support, and
render nodes for vc4.
* tag 'drm-vc4-next-2016-05-02' of https://github.com/anholt/linux:
drm/vc4: Add missing render node support
drm/vc4: Add support for gamma ramps.
drm/vc4: Fix NULL deref in HDMI init error path
drm/vc4: Add DPI driver
drm: Add an encoder and connector type enum for DPI.
Dave Airlie [Wed, 4 May 2016 07:28:09 +0000 (17:28 +1000)]
Merge tag 'topic/drm-misc-2016-04-29' of git://anongit.freedesktop.org/drm-intel into drm-next
- prep work for struct_mutex-less gem_free_object
- more invasive/tricky mst fixes from Lyude for broken hw. I discussed
this with Ville/Jani and we all agreed more soaking in -next would be
real good this late in the -rc cycle. They're cc: stable too to make
sure they're not getting lost. Feel free to cherry-pick those four if
you disagree.
- few small things all over
* tag 'topic/drm-misc-2016-04-29' of git://anongit.freedesktop.org/drm-intel:
drm/atomic: Add missing drm_crtc_internal.h include
drm/dp: Allow signals to interrupt drm_aux-dev reads/writes
drm: Quiet down drm_mode_getresources
drm: Quiet down drm_mode_getconnector
drm: Protect dev->filelist with its own mutex
drm: Make drm_vm_open/close_locked private to drm_vm.c
drm: Hide master MAP cleanup in drm_bufs.c
drm: Forbid legacy MAP functions for DRIVER_MODESET
drm: Push struct_mutex into ->master_destroy
drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix
drm: Put legacy lastclose work into drm_legacy_dev_reinit
drm: Give drm_agp_clear drm_legacy_ prefix
drm/sysfs: Annote lockless show functions with READ_ONCE
MAINTAINERS: Update the files list for the GMA500 DRM driver
drm: rcar-du: Fix compilation warning
drm/i915: Get rid of intel_dp_dpcd_read_wake()
drm/dp_helper: Perform throw-away read before actual read in drm_dp_dpcd_read()
drm/dp_helper: Retry aux transactions on all errors
drm/dp_helper: Always wait before retrying native aux transactions
Dave Airlie [Wed, 4 May 2016 07:25:30 +0000 (17:25 +1000)]
Merge tag 'drm-intel-next-2016-04-25' of git://anongit.freedesktop.org/drm-intel into drm-next
- more userptr cornercase fixes from Chris
- clean up and tune forcewake handling (Tvrtko)
- more underrun fixes from Ville, mostly for ilk to appeas CI
- fix unclaimed register warnings on vlv/chv and enable the debug code to catch
them by default (Ville)
- skl gpu hang fixes for gt3/4 (Mika Kuoppala)
- edram improvements for gen9+ (Mika again)
- clean up gpu reset corner cases (Chris)
- fix ctx/ring machine deaths on snb/ilk (Chris)
- MOCS programming for all engines (Peter Antoine)
- robustify/clean up vlv/chv irq handler (Ville)
- split gen8+ irq handlers into ack/handle phase (Ville)
- tons of bxt rpm fixes (mostly around firmware interactions), from Imre
- hook up panel fitting for dsi panels (Ville)
- more runtime PM fixes all over from Imre
- shrinker polish (Chris)
- more guc fixes from Alex Dai and Dave Gordon
- tons of bugfixes and small polish all over (but with a big focus on bxt)
* tag 'drm-intel-next-2016-04-25' of git://anongit.freedesktop.org/drm-intel: (142 commits)
drm/i915: Update DRIVER_DATE to
20160425
drm/i915/bxt: Explicitly clear the Turbo control register
drm/i915: Correct the i915_frequency_info debugfs output
drm/i915: Macros to convert PM time interval values to microseconds
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fake HDMI live status
drm/i915/bxt: Force reprogramming a PHY with invalid HW state
drm/i915/bxt: Wait for PHY1 GRC done if PHY0 was already enabled
drm/i915/bxt: Use PHY0 GRC value for HW state verification
drm/i915: use dev_priv directly in gen8_ppgtt_notify_vgt
drm/i915/bxt: Enable DC5 during runtime resume
drm/i915/bxt: Sanitize DC state tracking during system resume
drm/i915/bxt: Don't uninit/init display core twice during system suspend/resume
drm/i915: Inline intel_suspend_complete
drm/i915/kbl: Don't WARN for expected secondary MISC IO power well request
drm/i915: Fix eDP low vswing for Broadwell
drm/i915: check for ERR_PTR from i915_gem_object_pin_map()
drm/i915/guc: local optimisations and updating comments
drm/i915/guc: drop cached copy of 'wq_head'
drm/i915/guc: keep GuC doorbell & process descriptor mapped in kernel
...
Eric Anholt [Fri, 15 Apr 2016 06:16:05 +0000 (23:16 -0700)]
drm/vc4: Add missing render node support
There shouldn't be any other driver support necessary, since none of
the driver-specific ioctls ever required auth, and none of them deal
with modesetting.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Eric Anholt [Fri, 1 Apr 2016 01:38:20 +0000 (18:38 -0700)]
drm/vc4: Add support for gamma ramps.
We could possibly save a bit of power by not requesting gamma
conversion when the ramp happens to be 1:1, but at least if all the
CRTCs are off the SRAM will be disabled.
This should fix brightness sliders in a lot of fullscreen games.
Signed-off-by: Eric Anholt <eric@anholt.net>
Inki Dae [Tue, 12 Apr 2016 00:59:11 +0000 (09:59 +0900)]
drm/exynos: clean up register definions for fimd and decon
This patch removes suffixes from I80 relevant register definitions,
which are misleading.
This is based on top of below patch set,
http://www.spinics.net/lists/dri-devel/msg104057.html
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Inki Dae [Mon, 18 Apr 2016 08:59:01 +0000 (17:59 +0900)]
drm/exynos: decon: clean up interface type
This patch cleans up interface type relevant codes.
Trigger mode is determinded only by i80 mode, which isn't
related to Display types - HDMI or Display controller.
So this patch makes the trigger mode to be set only in case of
i80 mode - For DECON-TV, HW Trigger mode is flaged mandatorily
because HDMI Timing Generator generates VSYNC signal
which works as a hardware trigger.
Changelog v2.
- If interface type is HDMI then set out_type to I80.
- fix compile warning.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Inki Dae [Mon, 18 Apr 2016 08:54:39 +0000 (17:54 +0900)]
drm/exynos: fimd: add HW trigger support
This patch adds HW trigger support on i80 mode.
Until now, Exynos DRM only supported SW trigger which was set
SWTRGCMD bit of TRIGCON register by CPU to transfer scanout
buffer to Display bus device or panel.
With this patch, the transmission to Display bus device or
panel will be initiated by FIMD controller.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Inki Dae [Tue, 5 Apr 2016 08:27:42 +0000 (17:27 +0900)]
drm/exynos: clean up wait_for_vblank
This patch cleans up wait_for_vblank relevant codes.
wait_for_vblank callback isn't used anymore in Exynos drm driver
so it removes relevant codes. However, display controllers -
FIMD and DECON - still use this function driver internally
to ensure shadow registers to be updated, which resolves
page fault issue so keep it.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Fri, 1 Apr 2016 13:17:46 +0000 (15:17 +0200)]
drm/exynos: mixer: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Fri, 1 Apr 2016 13:17:45 +0000 (15:17 +0200)]
drm/exynos: mixer: remove support for non-dt platforms
There are no non-devicetree based Exynos platforms in mainline, so there
no point keeping old platform driver data for them.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Fri, 1 Apr 2016 13:17:44 +0000 (15:17 +0200)]
drm/exynos: hdmi: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Fri, 1 Apr 2016 13:17:43 +0000 (15:17 +0200)]
drm/exynos: rotator: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Mon, 18 Apr 2016 08:38:27 +0000 (17:38 +0900)]
drm/exynos: fimd: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Tue, 19 Apr 2016 07:37:10 +0000 (09:37 +0200)]
drm/exynos: dsi: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper and add missing
const qualifier to driver data structures.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Fri, 1 Apr 2016 13:17:40 +0000 (15:17 +0200)]
drm/exynos: exynos5433_decon: use generic of_device_get_match_data helper
Simplify code by replacing custom code by generic helper.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Fri, 29 Apr 2016 16:39:08 +0000 (01:39 +0900)]
drm/exynos: convert clock_enable crtc callback to pipeline clock
clock_enable callback is used only by FIMD->DP pipeline. Similar but more
universal functionality provides pipeline clock.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <daeinki@gmail.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:26:01 +0000 (14:26 +0100)]
drm/exynos/mixer: enable HDMI-PHY before configuring MIXER
According to documentation HDMI-PHY must be on prior to MIXER configuration.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:26:00 +0000 (14:26 +0100)]
drm/exynos/decon5433: enable HDMI-PHY before configuring DECON
According to documentation and tests HDMI-PHY must be on prior
to MIXER configuration.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:25:58 +0000 (14:25 +0100)]
drm/exynos: add support for pipeline clock to the framework
Components belonging to the same pipeline often requires
synchronized clocks. Such clocks are sometimes provided
by external clock controller, but they can be also provided by
pipeline components. In latter case there should be a way
to access them from another component belonging to the same pipeline.
This is the case of:
- DECON,FIMD -> HDMI and HDMI-PHY clock,
- FIMD -> DP and DP clock in FIMD.
The latter case has been solved by clock_enable callback
in exynos_drm_crtc_ops. This solutin will not work with
HDMI path as in this case clock is provided by encoder.
This patch provides more generic solution allowing to register
pipeline clock during initialization in exynos_drm_crtc structure.
This way the clock will be easily accessible from both components.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:25:57 +0000 (14:25 +0100)]
drm/exynos: add helper to get crtc from pipe
The helper abstracts out conversion from pipeline
to crtc. Currently it is used in two places, but
there will be more uses in next patches.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:18 +0000 (14:15 +0100)]
drm/exynos/decon5433: do not protect window in plane disable
decon_atomic_begin and decon_atomic_flush protects all windows already.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:17 +0000 (14:15 +0100)]
drm/exynos/decon5433: reset decon on start
Resetting IP at starting ensures that DECON will be in known state
regardless of changes by bootloader.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:16 +0000 (14:15 +0100)]
drm/exynos/decon5433: fix DECON standalone update
DECON should be updated after un-protecting windows and after changing
output parameters, otherwise image is not displayed in case of HDMI path.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:15 +0000 (14:15 +0100)]
drm/exynos/hdmi: remove registry dump
HDMI registry dump unnecessary spoils console and is not very helpful.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:14 +0000 (14:15 +0100)]
drm/exynos/hdmi: add core reset code
To ensure HDMI-PHY reprogramming will not affect
HDMI the latter should be reset.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:13 +0000 (14:15 +0100)]
drm/exynos/hdmi: add PHY power off signal handling
HDMI-PHY power off bit defaults to 0 in older HDMI versions.
In case of Exynos5433 it defaults to 1. To make code
consistent across all versions this bit is always unset/set in
power on/off sequences.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Wed, 23 Mar 2016 13:15:12 +0000 (14:15 +0100)]
drm/exynos/hdmi: fix PHY configuration sequence
Proper PHY configuration should be as follow:
1. set HDMI clock parents to OSCCLK.
2. reconfigure PHY.
3. set HDMI clock parents to PHY.
4. wait for PLL stabilization.
The patch fixes it and consolidates the code.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Mon, 26 Oct 2015 11:59:56 +0000 (12:59 +0100)]
dt-bindings: video: exynos5433-decon: add bindings for DECON-TV
DECON-TV(Display and Enhancement Controller for TV) is a variation
of DECON IP. Its main purpose is to produce video stream for HDMI IP.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Tue, 20 Oct 2015 09:22:35 +0000 (11:22 +0200)]
dt-bindings: video: add PCLK clock entry to exynos5433-decon
DECON IP requires this clock to access configuration registers.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Thu, 14 Jan 2016 05:40:07 +0000 (14:40 +0900)]
drm/exynos/hdmi: add Exynos5433 support
HDMI on Exynos5433 differs from previous versions:
- different HDMI-PHY settings,
- different clocks,
- SYSREG registers for enabling reference clock,
- MODE_SET register in HDMI-PHY.
It is distinguished from other variants by different compatible string.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Thu, 24 Mar 2016 01:36:28 +0000 (10:36 +0900)]
dt-bindings: exynos_hdmi: add bindings for Exynos5433 variant
Exynos5433 variant of HDMI requires different set of clocks and sysreg
phandle to system registers.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Mon, 2 Nov 2015 13:16:43 +0000 (14:16 +0100)]
drm/exynos/hdmi: stop programming registers with default values
There is no point in rewriting default values, as the IP is reset anyway.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Thu, 14 Jan 2016 05:28:20 +0000 (14:28 +0900)]
drm/exynos/hdmi: code cleanup
The patch performs following clean-ups:
- remove unnecessary white spaces,
- remove obvious comments,
- fix tabulations,
- remove NULL initializators,
- re-order driver data.
The patch does not change driver's behavior.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Mon, 2 Nov 2015 13:16:41 +0000 (14:16 +0100)]
drm/exynos/hdmi: use array specifier for HDMI-PHY configurations
HDMI-PHY configurations are stored as array pointer and count pair,
we can re-use existing helpers to simplify their initialization.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Mon, 2 Nov 2015 13:16:40 +0000 (14:16 +0100)]
drm/exynos/hdmi: constify global variables
These variables should not be modified.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Thu, 14 Jan 2016 05:22:47 +0000 (14:22 +0900)]
drm/exynos/hdmi: clock code re-factoring
With incoming support for newer SoCs different set of clocks will be required,
depending on IP version. The patch prepares the driver for it.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Javier Martinez Canillas [Tue, 29 Mar 2016 01:28:55 +0000 (10:28 +0900)]
drm/exynos: Use VIDEO_SAMSUNG_S5P_G2D=n as G2D Kconfig dependency
Commit
254d4d111ee1 ("drm/exynos: Add dependency for G2D in Kconfig") made
the DRM_EXYNOS_G2D symbol to only be selectable if the s5p-g2d V4L2 driver
is not enabled, since both use the same HW IP block.
But added the dependency as depends on !VIDEO_SAMSUNG_S5P_G2D which isn't
correct since Kconfig expressions are not boolean but tristate. So it will
only evaluate to 'n' if VIDEO_SAMSUNG_S5P_G2D=y but it will evaluate to m
if VIDEO_SAMSUNG_S5P_G2D=m.
This means that both the V4L2 and DRM drivers can be enabled if the former
is enabled as a module, which is not what we want.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Dan Carpenter [Fri, 25 Mar 2016 20:05:59 +0000 (23:05 +0300)]
drm/exynos: fix a warning message
The "ret = regmap_write()" assignment was missing so this error message
is never printed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Dan Carpenter [Thu, 17 Mar 2016 10:32:15 +0000 (13:32 +0300)]
drm/exynos: mic: fix an error code
We accidentally return success instead of a negative error code here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Thu, 17 Mar 2016 06:53:12 +0000 (07:53 +0100)]
drm/exynos: fimd: fix broken dp_clock control
Commit
1feafd3afd294b03dbbedb8e8f94e0c4db526f10 ("drm/exynos: add
exynos5420 support for fimd") add support for Exynos 5420 SoC, but it
broke enabling display clock feature because of incorrect condition
check. This patch fixes it, so display is working again on platforms
requiring display clock control (i.e. Exynos5250-based SNOW platform).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Tue, 15 Mar 2016 11:43:21 +0000 (12:43 +0100)]
drm/exynos: build fbdev code conditionally
Fbdev code should be compiled only if CONFIG_DRM_FBDEV_EMULATION option
is enabled. The patch fixes exynos-drm code trying to manipulate
fbdev data which is not initialized in case CONFIG_DRM_FBDEV_EMULATION
is disabled.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Andrzej Hajda [Tue, 15 Mar 2016 11:38:02 +0000 (12:38 +0100)]
drm/exynos: fix adjusted_mode pointer in exynos_plane_mode_set
exynos_plane_mode_set should use adjusted_mode from the same atomic state as
plane state. Otherwise it will result in incorrect behavior in case
crtc mode changes.
The patch fixes bug with black console framebuffer in case of command mode
panels.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Arnd Bergmann [Mon, 14 Mar 2016 14:22:25 +0000 (15:22 +0100)]
drm/exynos: fix error handling in exynos_drm_subdrv_open
gcc-6 warns about a pointless loop in exynos_drm_subdrv_open:
drivers/gpu/drm/exynos/exynos_drm_core.c: In function 'exynos_drm_subdrv_open':
drivers/gpu/drm/exynos/exynos_drm_core.c:104:199: error: self-comparison always evaluates to false [-Werror=tautological-compare]
list_for_each_entry_reverse(subdrv, &subdrv->list, list) {
Here, the list_for_each_entry_reverse immediately terminates because
the subdrv pointer is compared to itself as the loop end condition.
If we were to take the current subdrv pointer as the start of the
list (as we would do if list_for_each_entry_reverse() was not a macro),
we would iterate backwards over the &exynos_drm_subdrv_list anchor,
which would be even worse.
Instead, we need to use list_for_each_entry_continue_reverse()
to go back over each subdrv that was successfully opened until
the first entry.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Dave Airlie [Fri, 29 Apr 2016 04:57:51 +0000 (14:57 +1000)]
Merge branch 'for-next' of git.agner.ch/git/linux-drm-fsl-dcu into drm-next
This adds very rudimentary TCON (timing controller for raw LCD displays)
support to enable the bypass mode in order to use the DCU controller on
Freescale/NXP Vybrid SoC's.
Additionally the register clock and pixel clock has been separated, but
are currently still enabled and disabled pairwise.
Other than that, fixes and cleanups accross the driver.
* 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
drm/fsl-dcu: increment version and date
drm/fsl-dcu: implement lastclose callback
drm/fsl-dcu: disable output polling on driver unload
drm/fsl-dcu: deallocate fbdev CMA on unload
drm/fsl-dcu: use variable name dev for struct drm_device
drm/fsl-dcu: handle missing panel gracefully
drm/fsl-dcu: detach panel on destroy
drm/layerscape: reduce excessive stack usage
drm/fsl-dcu: add TCON driver
drm/fsl-dcu: use common clock framework for pixel clock divider
drm/fsl-dcu: add extra clock for pixel clock
drm/fsl-dcu: disable clock on initialization failure and remove
Dave Airlie [Fri, 29 Apr 2016 04:52:41 +0000 (14:52 +1000)]
Merge tag 'sun4i-drm-for-4.7' of https://git./linux/kernel/git/mripard/linux into drm-next
Allwinner DRM driver for 4.7
This pull request introduces the sun4i driver, meant to be used on the
older Allwinner SoCs (A10, A13, A20, A23, A31 and A33).
It currently supports only the A13, which has one of the simplest video
pipeline. Support for other video components and SoCs will be added
eventually.
It supports only a RGB or composite output. It doesn't do HDMI, VGA, LVDS
or power management yet, but that will come in time as well.
* tag 'sun4i-drm-for-4.7' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
MAINTAINERS: Add a maintainer for the Allwinner DRM driver
drm: sun4i: tv: Add NTSC output standard
drm: sun4i: tv: Add PAL output standard
drm: sun4i: Add composite output
drm: sun4i: Add RGB output
drm: Add Allwinner A10 Display Engine support
drm: sun4i: Add DT bindings documentation
drm: fb: Add seq_file definition
Thierry Reding [Thu, 28 Apr 2016 13:19:56 +0000 (15:19 +0200)]
drm/atomic: Add missing drm_crtc_internal.h include
Some of the functions implemented are flagged as not having a prototype
defined when building with W=1. Include the header to avoid these build
warnings.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461849596-12819-1-git-send-email-thierry.reding@gmail.com
Ville Syrjälä [Wed, 27 Apr 2016 19:43:45 +0000 (22:43 +0300)]
drm/dp: Allow signals to interrupt drm_aux-dev reads/writes
Let's be nice and interrupt the dpcd aux-dev reads/writes when there's
a signal pending. Much nicer if the user can hit ^C instead of having to
sit around waiting for the read/write to finish.
time dd if=/dev/drm_dp_aux0 bs=$((1024*1024))
^C
before:
real 0m34.681s
user 0m0.003s
sys 0m6.880s
after:
real 0m0.222s
user 0m0.006s
sys 0m0.057s
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461786225-7790-1-git-send-email-ville.syrjala@linux.intel.com
Tvrtko Ursulin [Wed, 27 Apr 2016 11:11:47 +0000 (12:11 +0100)]
drm: Quiet down drm_mode_getresources
The debug logging here can be very verbose in the kernel logs
and provides no information which userspace doesn't have the
access to already. Turn it off so kernel logs become more
manageable.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461755507-30453-1-git-send-email-tvrtko.ursulin@linux.intel.com
Tvrtko Ursulin [Wed, 27 Apr 2016 10:07:02 +0000 (11:07 +0100)]
drm: Quiet down drm_mode_getconnector
Debug logging in this function does not provide any information
apart that the userspace is calling an ioctl on the connector.
There is not any info on the connector provided at all and
since there are other ioctls userspace typically calls which
do log useful things about the same connectors, remove this
one to make things a little bit more readable when KMS debugging
is turned on.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461751622-26927-10-git-send-email-tvrtko.ursulin@linux.intel.com
Maxime Ripard [Thu, 28 Apr 2016 08:12:33 +0000 (10:12 +0200)]
MAINTAINERS: Add a maintainer for the Allwinner DRM driver
Add myself as the maintainer of the new Allwinner DRM driver.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Thu, 29 Oct 2015 08:39:56 +0000 (09:39 +0100)]
drm: sun4i: tv: Add NTSC output standard
Add the settings to support the NTSC standard.
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Thu, 29 Oct 2015 08:39:41 +0000 (09:39 +0100)]
drm: sun4i: tv: Add PAL output standard
Now that we have support for the composite output, we can start adding new
supported standards. Start with PAL, and we will add other eventually.
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Thu, 29 Oct 2015 08:39:01 +0000 (09:39 +0100)]
drm: sun4i: Add composite output
Some Allwinner SoCs have an IP called the TV encoder that is used to output
composite and VGA signals. In such a case, we need to use the second TCON
channel.
Add support for that TV encoder.
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Thu, 29 Oct 2015 08:37:32 +0000 (09:37 +0100)]
drm: sun4i: Add RGB output
One of the A10 display pipeline possible output is an RGB interface to
drive LCD panels directly. This is done through the first channel of the
TCON that will output our video signals directly.
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Thu, 29 Oct 2015 08:36:23 +0000 (09:36 +0100)]
drm: Add Allwinner A10 Display Engine support
The Allwinner A10 and subsequent SoCs share the same display pipeline, with
variations in the number of controllers (1 or 2), or the presence or not of
some output (HDMI, TV, VGA) or not.
Add a driver with a limited set of features for now, and we will hopefully
support all of them eventually
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Fri, 30 Oct 2015 13:25:05 +0000 (14:25 +0100)]
drm: sun4i: Add DT bindings documentation
The display pipeline of the Allwinner A10 is involving several loosely
coupled components.
Add a documentation for the bindings.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Mon, 8 Feb 2016 12:58:56 +0000 (13:58 +0100)]
drm: fb: Add seq_file definition
Otherwise, building with DEBUG_FS enabled will trigger a build warning
because we're using a structure that has not been declared.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Daniel Vetter [Tue, 26 Apr 2016 17:29:41 +0000 (19:29 +0200)]
drm: Protect dev->filelist with its own mutex
amdgpu gained dev->struct_mutex usage, and that's because it's walking
the dev->filelist list. Protect that list with it's own lock to take
one more step towards getting rid of struct_mutex usage in drivers
once and for all.
While doing the conversion I noticed that 2 debugfs files in i915
completely lacked appropriate locking. Fix that up too.
v2: don't forget to switch to drm_gem_object_unreference_unlocked.
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-9-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:40 +0000 (19:29 +0200)]
drm: Make drm_vm_open/close_locked private to drm_vm.c
It's only used for legacy mmaping support now.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-8-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Wed, 27 Apr 2016 07:20:18 +0000 (09:20 +0200)]
drm: Hide master MAP cleanup in drm_bufs.c
And again make sure it's a no-op for modern drivers. Another case of
dev->struct_mutex gone for modern drivers!
Note that the entirety of the legacy addmap interface is now protected
by DRIVER_MODESET. Note that just auditing kernel code is not enough,
since userspace loves to set up legacy maps on it's own for various
things - with ums userspace and kernel space share control over
resources.
v2: Also add a DRIVER_* check like for all other maps functions to
really short-circuit the code. And give drm_legacy_rmmap used by the
dev unregister code the same treatment.
v3:
- remove redundant return; (Alex, Chris)
- don't special case nouveau with DRIVER_KMS_LEGACY_CONTEXT.
v4: Again special case nouveau. The problem is not directly in the
ddx, but that it calls dri1 functions from the X server. And those do
call drmAddMap. Fixed only in
commit
b1a630b48210d6a3c44994fce1b73273000ace5c
Author: Dave Airlie <airlied@redhat.com>
Date: Wed Nov 7 14:45:14 2012 +1000
nouveau: drop DRI1 device open interface.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461741618-12679-1-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:37 +0000 (19:29 +0200)]
drm: Forbid legacy MAP functions for DRIVER_MODESET
Like in
commit
0e975980d435d58df2d430d688b8c18778b42218
Author: Peter Antoine <peter.antoine@intel.com>
Date: Tue Jun 23 08:18:49 2015 +0100
drm: Turn off Legacy Context Functions
we need to again make an exception for nouveau, but everyone else
really doesn't need this.
Dave Airlie dug out again why we need this: The problem is the legacy
dri1 open function the nouveau ddx called, and the problematic code is
actually in the X server itself. It was only fixed in
commit
b1a630b48210d6a3c44994fce1b73273000ace5c
Author: Dave Airlie <airlied@redhat.com>
Date: Wed Nov 7 14:45:14 2012 +1000
nouveau: drop DRI1 device open interface.
Cc: Peter Antoine <peter.antoine@intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-5-git-send-email-daniel.vetter@ffwll.ch
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-6-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:38 +0000 (19:29 +0200)]
drm: Push struct_mutex into ->master_destroy
Only two drivers implement this hook. vmwgfx (which doesn't need it
really) and legacy radeon (which since v1 has been nuked, yay).
v1: Rebase over radeon ums removal.
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-6-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:36 +0000 (19:29 +0200)]
drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix
It belongs right next to the addmap and rmmap functions really. And
for OCD consistency name it drm_legacy_getmap_ioctl.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-4-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:35 +0000 (19:29 +0200)]
drm: Put legacy lastclose work into drm_legacy_dev_reinit
Except for the ->lasclose driver callback evrything in drm_lastclose()
is all legacy cruft and can be hidden. Which means another
dev->struct_mutex site disappears entirely for modern drivers!
Also while at it change the return value of drm_lastclose to void
since it will always succeed. No one checks the return value of
close() anyway, ever.
v2: Move misplaced hunk, spotted by 0day.
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-3-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 26 Apr 2016 17:29:34 +0000 (19:29 +0200)]
drm: Give drm_agp_clear drm_legacy_ prefix
It has a DRIVER_MODESET check to sure make it's not creating havoc
for drm drivers. Make that clear in the name too.
v2: Move misplaced hunk, spotted by 0day and Thierry.
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-2-git-send-email-daniel.vetter@ffwll.ch
Daniel Vetter [Fri, 22 Apr 2016 20:10:30 +0000 (22:10 +0200)]
drm: Switch blobs to the new generic modeset obj refcounting
Need to move the free function around a bit, but otherwise mostly
just removing code.
Specifically we can nuke all the _locked variants since the weak idr
reference is now protected by the idr_mutex, which we never hold
anywhere expect in the lookup/reg/unreg functions. And those never
call anything else.
Another benefit of this is that this patch switches the weak reference
logic from kref_put_mutex to kref_get_unless_zero. And the later is in
general more flexible wrt accomodating multiple weak references
protected by different locks, which might or might not come handy
eventually.
But one consequence of that switch is that we need to acquire the
blob_lock from the free function for the list_del calls. That's a bit
tricky to pull off, but works well if we pick the exact same scheme as
is already used for framebuffers. Most important changes:
- filp list is maintainer by create/destroy_blob ioctls directly
(already the case, so we can just remove the redundant list_del from
the free function).
- filp close handler walks the filp-private list lockless - works
because we know no one else can access it. I copied the same comment
from the fb code over to explain this.
- Otherwise we need to sufficiently restrict blob_lock critical
sections to avoid all the unreference calls. Easy to do once the
blob_lock only protects the list, and no longer the weak reference.
Cc: Dave Airlie <airlied@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Daniel Vetter [Fri, 22 Apr 2016 20:10:29 +0000 (22:10 +0200)]
drm/atomic-helpers: Don't duplicate code in destroy helpers
Random drive-by refactoring I spotted.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Daniel Vetter [Fri, 22 Apr 2016 20:10:28 +0000 (22:10 +0200)]
drm: Fix fb leaks and WARN spew in get/set_prop ioctls
Dave Airlie had at least the refcount leak fixed in a later patch (but
that patch does other things which need a bit more work). But we still
have the trouble that silly userspace could hit the WARN_ON in
drm_mode_object_find.
Fix this all up to make sure we don't leak objects, and don't spew
into demsg.
Fixes:
d0f37cf62979 ("drm/mode: move framebuffer reference into object.")
Testcase: igt/kms_addfb_basic/invalid-*-prop*
Cc: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Daniel Vetter [Fri, 22 Apr 2016 20:10:27 +0000 (22:10 +0200)]
drm: Improve kerneldoc for new mode object refcounting
Slipped through the cracks in my review. The one issue I spotted
is that drm_mode_object_find now acquires references and can be
used on FB objects, which caused follow-on bugs in get/set_prop ioctls.
Follow-up patches will fix that.
[airlied: fixup some incr fb/decr object mixups]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Tue, 26 Apr 2016 23:38:42 +0000 (09:38 +1000)]
Merge branch 'topic-arcpgu-v6' of https://github.com/foss-for-synopsys-dwc-arc-processors/linux into drm-next
This is DRM driver for ARC PGU - simple bitstreamer used on
Synopsys ARC SDP boards (both AXS101 and AXS103).
* 'topic-arcpgu-v6' of https://github.com/foss-for-synopsys-dwc-arc-processors/linux:
arc: axs10x - add support of ARC PGU
MAINTAINERS: Add maintainer for ARC PGU display controller
drm: Add DT bindings documentation for ARC PGU display controller
drm: Add support of ARC PGU display controller
Emil Velikov [Thu, 21 Apr 2016 20:17:32 +0000 (21:17 +0100)]
drm/sis: add missing include drm.h for the UAPI header
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Emil Velikov [Thu, 21 Apr 2016 20:17:27 +0000 (21:17 +0100)]
drm/qxl: remove XXX comment from the UAPI header
One cannot rename the struct at this point, so might as well remove the
comment.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Tue, 26 Apr 2016 23:19:50 +0000 (09:19 +1000)]
Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev into drm-next
misc rcar changes.
* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev:
drm: rcar-du: Fix compilation warning
drm: rcar-du: Use ARCH_RENESAS
drm: rcar-du: Clarify vsp dependency
Alexey Brodkin [Fri, 19 Feb 2016 12:19:43 +0000 (15:19 +0300)]
arc: axs10x - add support of ARC PGU
Synopsys DesignWare ARC SDP boards sport ARC SDP display
controller attached to ADV7511 HDMI encoder.
That change adds desctiption of both ARC PGU and ADV7511 in
ARC SDP'd base-board Device Tree.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: devicetree@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Alexey Brodkin [Fri, 19 Feb 2016 12:34:30 +0000 (15:34 +0300)]
MAINTAINERS: Add maintainer for ARC PGU display controller
This updates MAINTEINERS file with information about maintainer of
ARC PGU display controller driver.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org
Alexey Brodkin [Fri, 19 Feb 2016 12:35:52 +0000 (15:35 +0300)]
drm: Add DT bindings documentation for ARC PGU display controller
This add DT bindings documentation for ARC PGU display controller.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Acked-by: Rob Herring <robh@kernel.org>
Carlos Palminha [Fri, 19 Feb 2016 12:30:26 +0000 (15:30 +0300)]
drm: Add support of ARC PGU display controller
ARC PGU could be found on some development boards from Synopsys.
This is a simple byte streamer that reads data from a framebuffer
and sends data to the single encoder.
Signed-off-by: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-snps-arc@lists.infradead.org
Daniel Vetter [Wed, 30 Mar 2016 09:45:13 +0000 (11:45 +0200)]
drm/sysfs: Annote lockless show functions with READ_ONCE
For documentation and paranoia.
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1459331120-27864-4-git-send-email-daniel.vetter@ffwll.ch
Stefan Agner [Tue, 26 Apr 2016 03:47:57 +0000 (20:47 -0700)]
drm/fsl-dcu: increment version and date
The driver supports now a second platform and received several
fixes, hence a version increment is justified.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Sun, 17 Apr 2016 04:18:54 +0000 (21:18 -0700)]
drm/fsl-dcu: implement lastclose callback
Use CMA helper drm_fbdev_cma_restore_mode to restore fbdev mode
in process which uses drm/kms dies.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Sun, 17 Apr 2016 04:17:12 +0000 (21:17 -0700)]
drm/fsl-dcu: disable output polling on driver unload
Disabling output polling before unloading the driver.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Sun, 17 Apr 2016 05:02:49 +0000 (22:02 -0700)]
drm/fsl-dcu: deallocate fbdev CMA on unload
Free fbdev CMA using drm_fbdev_cma_fini on unload. This fixes
a warning when unloading the driver:
WARNING: CPU: 0 PID: 164 at drivers/gpu/drm/drm_crtc.c:5930 drm_mode_config_cleanup+0x204/0x208
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Wed, 13 Apr 2016 07:14:18 +0000 (00:14 -0700)]
drm/fsl-dcu: use variable name dev for struct drm_device
The driver uses different variable names for struct drm_device
across functions which is confusing. Stick to the more common
variable name dev. While at it, remove unnecessary if statement
in error handling.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Thu, 3 Dec 2015 02:03:50 +0000 (18:03 -0800)]
drm/fsl-dcu: handle missing panel gracefully
If the device tree property fsl,panel is missing, drm_panel_attach
is called with a NULL pointer as first argument. Having a panel is
basically mandatory since RGB is the only supported connector.
Check if a panel node has been found, return -ENODEV and cleanup
otherwise.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Thu, 24 Mar 2016 06:27:11 +0000 (23:27 -0700)]
drm/fsl-dcu: detach panel on destroy
Disable the earlier attached panel on connector destroy.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Arnd Bergmann [Mon, 22 Feb 2016 21:33:31 +0000 (22:33 +0100)]
drm/layerscape: reduce excessive stack usage
The fsl-dcu driver copies a drm_mode_config object to its
stack but then only accesses a single member (dpms_property)
once. The data structure is large enough to trigger a warning
about the amount of kernel stack being used:
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c: In function 'fsl_dcu_drm_connector_create':
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c:182:1: error: the frame size of 1040 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
This changes the fsl_dcu_drm_connector_create() function to
only access the drm_mode_config by reference, which is also
more efficient.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes:
109eee2f2a18 ("drm/layerscape: Add Freescale DCU DRM driver")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Wed, 2 Dec 2015 22:39:40 +0000 (14:39 -0800)]
drm/fsl-dcu: add TCON driver
Add driver for the TCON (timing controller) module. The TCON module
is a separate module attached after the DCU (display controller
unit). Each DCU instance has its own, directly connected TCON
instance. The DCU's RGB and timing signals are passing through
the TCON module. TCON can provide timing signals for raw TFT panels
or operate in a bypass mode which leaves all signals unaltered.
The driver currently only supports the bypass mode.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Wed, 23 Mar 2016 01:06:08 +0000 (18:06 -0700)]
drm/fsl-dcu: use common clock framework for pixel clock divider
Use the common clock framework to calculate the pixel clock
dividier. The previous implementation rounded down the calculated
factor. Thanks to the CLK_DIVIDER_ROUND_CLOSEST flag using the
common clock framework divider implementation improves the pixel
clock accuracy in some cases. Ontop of that it also allows to see
the actual pixel clock in the sysfs clock summary.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Tue, 22 Mar 2016 22:45:29 +0000 (15:45 -0700)]
drm/fsl-dcu: add extra clock for pixel clock
The Vybrid DCU variant has two independent clock inputs, one
for the registers (IPG bus clock) and one for the pixel clock.
Support this distinction in the DCU DRM driver while staying
backward compatible for old device trees.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Tue, 22 Mar 2016 22:13:05 +0000 (15:13 -0700)]
drm/fsl-dcu: disable clock on initialization failure and remove
Fix error handling during probe by reordering initialization and
adding a error path which disables clock again. Also disable the
clock on remove.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Emil Velikov [Thu, 21 Apr 2016 23:03:52 +0000 (00:03 +0100)]
MAINTAINERS: Update the files list for the GMA500 DRM driver
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-5-git-send-email-emil.l.velikov@gmail.com
Daniel Vetter [Mon, 25 Apr 2016 07:35:38 +0000 (09:35 +0200)]
drm/i915: Update DRIVER_DATE to
20160425
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Akash Goel [Fri, 22 Apr 2016 18:35:45 +0000 (00:05 +0530)]
drm/i915/bxt: Explicitly clear the Turbo control register
As a part of WaGsvDisableTurbo, Driver makes an early exit from the
Gen9 Turbo enabling function, so doesn't program the Turbo Control register.
But BIOS could leave the Hw Turbo as enabled, so need to explicitly clear
out the Control register just to avoid inconsitency with debugfs
interface, which will show Turbo as enabled only and that is not expected
after adding the WaGsvDisableTurbo. Apart from this there is no problem
even if the Turbo is left enabled in the Control register, as the Up/Down
interrupts would remain masked.
v2: Add explicit clearing of Turbo Control register to *_disable_rps()
also for the similar consistency (Chris)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1461350146-23454-2-git-send-email-akash.goel@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Akash Goel [Fri, 22 Apr 2016 18:35:46 +0000 (00:05 +0530)]
drm/i915: Correct the i915_frequency_info debugfs output
There are certain registers, which captures the time elapsed in the
in current Up/Down EI, for how long GT has been Idle/Busy/Avg in the
current Up/Down EI and also in the previous Up/Down EI.
These register values are reported by the i915_frequency_info debugfs
interface. The Driver prints the 'us' suffix after the values, albeit
they are actually in raw form & not in microsecond units.
This patch removes the 'us' suffix so that its clear to User that values
are indeed in raw form.
v2: Present the values in microseconds unit also, after platform
specific conversion (Chris)
v3: Add a space between raw & microsecond value (Chris)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1461350146-23454-3-git-send-email-akash.goel@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Akash Goel [Fri, 22 Apr 2016 18:35:44 +0000 (00:05 +0530)]
drm/i915: Macros to convert PM time interval values to microseconds
Added a new GT_PM_INTERVAL_TO_US macro to perform the platform
specific conversion of PM time interval values to microseconds unit.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1461350146-23454-1-git-send-email-akash.goel@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Laurent Pinchart [Fri, 22 Apr 2016 14:52:45 +0000 (17:52 +0300)]
drm: rcar-du: Fix compilation warning
Commit
d63c25e4245a ("drm: rcar-du: Use generic
drm_connector_register_all() helper") left an unused local variable
behind. Remove it.
Fixes:
d63c25e4245a ("drm: rcar-du: Use generic drm_connector_register_all() helper")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Simon Horman [Fri, 25 Mar 2016 01:38:28 +0000 (10:38 +0900)]
drm: rcar-du: Use ARCH_RENESAS
Make use of ARCH_RENESAS in place of ARCH_SHMOBILE.
This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Arnd Bergmann [Fri, 26 Feb 2016 11:52:20 +0000 (12:52 +0100)]
drm: rcar-du: Clarify vsp dependency
The VSP1 compositor code in DRM links against the respective V4L
driver, but the dependency is not expressed correctly in Kconfig,
which leads to a build error when the DRM driver is built-in
and the V4L driver is a module:
drivers/gpu/built-in.o: In function `rcar_du_vsp_plane_atomic_update':
rcar-du/rcar_du_vsp.c:183: undefined reference to `vsp1_du_atomic_update'
This patch avoids the problem by ensuring that the DRM VSP code can
only be enabled if the V4L driver is linked into the kernel, or
both are loadable modules.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes:
6d62ef3ac30b ("drm: rcar-du: Expose the VSP1 compositor through KMS planes")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>