| Commit message (Collapse) | Author | Age | Files | Lines |
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git://anongit.freedesktop.org/drm-intel into drm-next
Just random misc stuff that Sean/Sumit&Archit picked up while I relaxed.
Well except for one commit:
* tag 'topic/drm-misc-2016-09-19' of git://anongit.freedesktop.org/drm-intel:
drm: Only use compat ioctl for addfb2 on X86/IA64
drm/qxl: squash lines for simple wrapper functions
drm/bridge: analogix_dp: squash lines for simple wrapper functions
drm/radeon: squash lines for simple wrapper functions
drm/amdgpu: squash lines for simple wrapper functions
dma-buf/sync-file: Avoid enable fence signaling if poll(.timeout=0)
drm/fence: allow fence waiting to be interrupted by userspace
drm: Move property validation to a helper, v2.
drm/bridge: adv7511: add support for the 2nd chip
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Similar to struct drm_update_draw, struct drm_mode_fb_cmd2 has an
unaligned 64 bit field (modifier). This get packed differently between
32 bit and 64 bit modes on architectures that can handle unaligned 64
bit access (X86 and IA64). Other architectures pack the structs the
same and don't need the compat wrapper. Use the same condition for
drm_mode_fb_cmd2 as we use for drm_update_draw.
Note that only the modifier will be packed differently between compat
and non-compat versions.
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
[seanpaul added not at bottom of commit msg re: modifier]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473801645-116011-1-git-send-email-hoegsberg@chromium.org
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Remove unneeded variables and assignments.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473863952-7658-5-git-send-email-yamada.masahiro@socionext.com
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Remove unneeded variables and assignments.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[seanpaul added analogix prefix to subject]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473863952-7658-4-git-send-email-yamada.masahiro@socionext.com
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Remove unneeded variables and assignments.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473863952-7658-3-git-send-email-yamada.masahiro@socionext.com
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Remove unneeded variables and assignments.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473863952-7658-2-git-send-email-yamada.masahiro@socionext.com
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If we being polled with a timeout of zero, a nonblocking busy query,
we don't need to install any fence callbacks as we will not be waiting.
As we only install the callback once, the overhead comes from the atomic
bit test that also causes serialisation between threads.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160829181613.30722-1-chris@chris-wilson.co.uk
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If userspace is running an synchronously atomic commit and interrupts the
atomic operation during fence_wait() it will hang until the timer expires,
so here we change the wait to be interruptible so it stop immediately when
userspace wants to quit.
Also adds the necessary error checking for fence_wait().
v2: Comment by Daniel Vetter
- Add error checking for fence_wait()
v3: Rebase on top of new atomic noblocking support
v4: Comment by Maarten Lankhorst
- remove 'swapped' bitfield as it was duplicating information
v5: Comments by Maarten Lankhorst
- assign plane->state to plane_state if !intr
- squash previous patch into this one
v6: Comment by Sean Paul
- rename intr to pre_swap
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[seanpaul fixed a couple checkpatch warnings and moved the preswap comment]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473707291-14781-1-git-send-email-gustavo@padovan.org
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Property lifetimes are equal to the device lifetime, so the separate
drm_property_find is not needed. The pointer can be retrieved from
the properties member, which saves us some locking and a extra lookup.
The lifetime for properties is until the device is destroyed, which
happens late in the device unload path.
kms_atomic is also testing for invalid properties which returns -ENOENT,
to be consistent return -ENOENT for valid properties that don't appear
on the object property list.
Changes since v1:
- Return -ENOENT for invalid properties to make kms_atomic pass.
- Change commit message slightly to take this into account.
Testcase: kms_atomic
Testcase: kms_properties
Fixes: 4e9951d96093 ("drm/atomic: Reject properties not part of the object.")
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/599c7fa8-b6fd-a42b-c619-a9e4a9c5c244@linux.intel.com
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The Renesas Wheat board has 2 ADV7513 chips on the same I2C bus, however
the ADV751x driver only supports 1 chip as it tries to assign the packet/
EDID/CEC memory I2C devices to the fixed I2C addresses. Assign these I2C
addresses at the fixed offsets (derived from the programming guide) from
the main register map address instead.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1580212.O1LYdJFM97@wasted.cogentembedded.com
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into drm-next
This adds the ASoC codec interfaces for TDA998x HDMI audio from
Jyri Sarha.
* 'drm-tda998x-devel' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: dts: am335x-boneblack: Add HDMI audio support
drm/i2c: tda998x: Register ASoC hdmi-codec and add audio DT binding
drm/i2c: tda998x: Improve tda998x_configure_audio() audio related pdata
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Add HDMI audio support. Adds mcasp0_pins, clk_mcasp0_fixed,
clk_mcasp0, mcasp0, sound node, and updates the tda19988 node to
follow the new binding.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Register ASoC HDMI codec for audio functionality and adds device tree
binding for audio configuration.
With the registered HDMI codec the tda998x node can be used like a
regular codec node in ASoC card configurations. HDMI audio info-frame
and audio stream header is generated by the ASoC HDMI codec. The codec
also applies constraints for available sample-rates based on Edid Like
Data from the display. The device tree binding document has been
updated [1].
Part of this patch has been inspired by Jean Francoise's "drm/i2c: tda998x:
Add support of a DT graph of ports"-patch [2]. There may still be some
identical lines left from the original patch and some of the ideas
have come from there.
[1] Documentation/devicetree/bindings/display/bridge/tda998x.txt
[2] http://mailman.alsa-project.org/pipermail/alsa-devel/2015-July/095255.html
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Define struct tda998x_audio_params in include/drm/i2c/tda998x.h and
use it in pdata and for tda998x_configure_audio() parameters. Also
updates tda998x_write_aif() to take struct hdmi_audio_infoframe *
directly as a parameter.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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called with private data") into drm-tda998x-devel
This commit is required for the TDA998x ASoC support, so to avoid build
errors, merge this commit into this branch prior to commiting Jiri's
patches.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-next
Allwinner DRM changes for 4.9
This tag adds the support of a new SoC to sun4i-drm (the Allwinner A33),
and the usual few fixes and enhancements
* tag 'sunxi-drm-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm/sun4i: add missing header dependencies
drm/sun4i: Add a DRC driver
drm/sun4i: backend: Handle the SAT
drm/sun4i: support A33 tcon
drm/sun4i: support TCONs without channel 1
drm/sun4i: Clear encoder->bridge if a bridge is not found
drm/sun4i: rgb: add missing calls to drm_panel_{prepare,unprepare}
drm/sun4i: Remove redundant dev_err call in sun4i_tcon_init_regmap()
drm/sun4i: Add bridge support
drm/sun4i: Move panel retrieval in RGB connector
drm/sun4i: Store TCON's device structure pointer
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We get 5 warnings when building kernel with W=1:
drivers/gpu/drm/sun4i/sun4i_framebuffer.c:33:23: warning: no previous prototype for 'sun4i_framebuffer_init' [-Wmissing-prototypes]
drivers/gpu/drm/sun4i/sun4i_framebuffer.c:47:6: warning: no previous prototype for 'sun4i_framebuffer_free' [-Wmissing-prototypes]
drivers/gpu/drm/sun4i/sun4i_rgb.c:202:5: warning: no previous prototype for 'sun4i_rgb_init' [-Wmissing-prototypes]
drivers/gpu/drm/sun4i/sun4i_dotclock.c:151:5: warning: no previous prototype for 'sun4i_dclk_create' [-Wmissing-prototypes]
drivers/gpu/drm/sun4i/sun4i_dotclock.c:186:5: warning: no previous prototype for 'sun4i_dclk_free' [-Wmissing-prototypes]
In fact, these functions are declared in
drivers/gpu/drm/sun4i/sun4i_framebuffer.h,
drivers/gpu/drm/sun4i/sun4i_rgb.h,
drivers/gpu/drm/sun4i/sun4i_dotclock.h,
so this patch adds missing header dependencies.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The A33 pipeline also has a component called DRC. Even though its exact
features and programming model is not known (or documented), it needs to
be clocked for the pipeline to carry the video signal all the way.
Add a minimal driver for it that just claim the needed resources for the
pipeline to operate properly.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
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The A33 has an block called SAT that is part of the backend that needs to
be clocked and out of reset to be able for the backend to operate properly.
Extend the binding to have the SAT resources listed, and claim them when
the backend probes.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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The A33 has a significantly different pipeline, with components that differ
too.
Make sure we had compatible for them.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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Some Allwinner SoCs, such as the A33, have a variation of the TCON that
doesn't have a second channel (or it is not wired to anything).
Make sure we can handle that case.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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The KMS helpers (drm_atomic_helper_check_modeset/mode_fixup) pass
encoder->bridge directly to drm_bridge_mode_fixup, which expects a
valid pointer, or NULL (in which case it just returns).
Clear encoder->bridge if a bridge is not found, instead of keeping
the ERR_PTR value.
Since other drm_bridge functions also follow this pattern of checking
for a non-NULL pointer, we can drop the ifs around the calls and just
pass the pointer directly.
Fixes: 894f5a9f4b4a ("drm/sun4i: Add bridge support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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If the enable-gpios property of a simple panel in device tree is set,
the GPIO is not toggled on/off because of missing calls to
drm_panel_prepare and drm_panel_unprepare.
Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Our RGB bus can be either connected to a bridge or a panel. While the panel
support was already there, the bridge was not.
Fix that.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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In order to properly support bridges and use drm_encoder's bridge pointer,
move the panel (and bridge eventually) retrieval code in the RGB output
init function.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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We will need to access TCON's struct device from outside of TCON's driver
bind function. Store it in our private structure.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-09-08' of git://anongit.freedesktop.org/drm-intel:
drm: Fix error path in drm_mode_page_flip_ioctl()
Revert "drm: Unify handling of blob and object properties"
drm/udl: implement usb_driver suspend/resume.
drm: fix signed integer overflow
drm/atomic: Reject properties not part of the object.
drm/doc: Add a few words on validation with IGT
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This fixes the error path for platforms that don't define the new
page_flip_target() hook.
Fixes: c229bfbbd04 ("drm: Add page_flip_target CRTC hook v2")
Testcase: igt/kms_flip/basic-flip-vs-dpms
CC: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1473269025-16148-1-git-send-email-imre.deak@intel.com
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This reverts commit 77953bd136d2a70bca2dc93b3ccda07a2b37076f.
This causes a kernel panic when trying to assign a blob to a property,
and has obviously never been tested.
Fixes: 77953bd136d2 ("drm: Unify handling of blob and object properties")
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Liu Ying <gnuiyl@gmail.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/8c0d3482-1bb5-6a15-b105-6bda2b31b5dc@linux.intel.com
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The usb_driver suspend and resume function pointers must be populated
to prevent forced unbinding of USB interface driver. See usb/core/driver.c:
unbind_no_pm_drivers_interfaces().
Restore mode and damage the entire frame buffer upon resume.
TEST=suspend and resume with the same UDL device connected
TEST=suspend with UDL, unplug UDL and resume
TEST=suspend with UDL, unplug and connect another UDL device then resume
Signed-off-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
[seanpaul fixed checkpatch warnings and gave marcheu his é back]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1472593821-38429-2-git-send-email-hshi@chromium.org
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Use 1UL for unsigned long, or we'll meet a overflow issue with UBSAN.
[ 15.589489] UBSAN: Undefined behaviour in drivers/gpu/drm/drm_hashtab.c:145:35
[ 15.589500] signed integer overflow:
[ 15.589999] -2147483648 - 1 cannot be represented in type 'int'
[ 15.590434] CPU: 2 PID: 294 Comm: plymouthd Not tainted 3.10.0-327.28.3.el7.x86_64 #1
[ 15.590653] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 01/07/2011
[ 15.591001] 1ffff1000670fe83 000000000d6b385e ffff88003387f3e0 ffffffff81ee3140
[ 15.591028] ffff88003387f3f8 ffffffff81ee31fd ffffffffa032f460 ffff88003387f560
[ 15.591044] ffffffff81ee46e2 0000002d00000009 0000000000000001 0000000041b58ab3
[ 15.591059] Call Trace:
[ 15.591078] [<ffffffff81ee3140>] dump_stack+0x1e/0x20
[ 15.591093] [<ffffffff81ee31fd>] ubsan_epilogue+0x12/0x55
[ 15.591109] [<ffffffff81ee46e2>] handle_overflow+0x1ba/0x215
[ 15.591126] [<ffffffff81ee4528>] ? __ubsan_handle_negate_overflow+0x162/0x162
[ 15.591146] [<ffffffff8103416c>] ? print_context_stack+0x9c/0x160
[ 15.591163] [<ffffffff81031df2>] ? dump_trace+0x252/0x750
[ 15.591181] [<ffffffff81739023>] ? __list_add+0x93/0x160
[ 15.591197] [<ffffffff81ee4798>] __ubsan_handle_sub_overflow+0x2a/0x31
[ 15.591261] [<ffffffffa0282140>] drm_ht_just_insert_please+0x1e0/0x200 [drm]
[ 15.591290] [<ffffffffa0528c7a>] ttm_base_object_init+0x10a/0x270 [ttm]
[ 15.591316] [<ffffffffa052a34c>] ttm_vt_lock+0x28c/0x3a0 [ttm]
[ 15.591343] [<ffffffffa052a0c0>] ? ttm_write_lock+0x180/0x180 [ttm]
[ 15.591362] [<ffffffff81419526>] ? kasan_unpoison_shadow+0x36/0x50
[ 15.591379] [<ffffffff81419526>] ? kasan_unpoison_shadow+0x36/0x50
[ 15.591396] [<ffffffff81419526>] ? kasan_unpoison_shadow+0x36/0x50
[ 15.591413] [<ffffffff81419526>] ? kasan_unpoison_shadow+0x36/0x50
[ 15.591442] [<ffffffffa061cbe1>] vmw_master_set+0x121/0x470 [vmwgfx]
[ 15.591459] [<ffffffff811773a5>] ? __init_waitqueue_head+0x45/0x70
[ 15.591487] [<ffffffffa061cac0>] ? vmw_master_drop+0x310/0x310 [vmwgfx]
[ 15.591535] [<ffffffffa026946a>] drm_open+0x92a/0xc00 [drm]
[ 15.591563] [<ffffffffa0619ff0>] ? vmw_driver_open+0x170/0x170 [vmwgfx]
[ 15.591610] [<ffffffffa0268b40>] ? drm_poll+0xe0/0xe0 [drm]
[ 15.591661] [<ffffffffa02797b4>] drm_stub_open+0x224/0x330 [drm]
[ 15.591711] [<ffffffffa0279590>] ? drm_minor_acquire+0x240/0x240 [drm]
[ 15.591727] [<ffffffff8145fa8a>] chrdev_open+0x1fa/0x3f0
[ 15.591742] [<ffffffff8145f890>] ? cdev_put+0x50/0x50
[ 15.591761] [<ffffffff814f6dc3>] ? __fsnotify_parent+0x53/0x210
[ 15.591778] [<ffffffff8144fde1>] do_dentry_open+0x351/0x670
[ 15.591792] [<ffffffff8145f890>] ? cdev_put+0x50/0x50
[ 15.591807] [<ffffffff814503c2>] vfs_open+0xa2/0x170
[ 15.591824] [<ffffffff8147b5df>] do_last+0xccf/0x2c80
[ 15.591842] [<ffffffff8147a910>] ? filename_create+0x320/0x320
[ 15.591858] [<ffffffff81472549>] ? path_init+0x1b9/0xa90
[ 15.591875] [<ffffffff81472390>] ? mountpoint_last+0x9a0/0x9a0
[ 15.591894] [<ffffffff815f9ccf>] ? selinux_file_alloc_security+0xcf/0x130
[ 15.591911] [<ffffffff8147d777>] path_openat+0x1e7/0xcc0
[ 15.591927] [<ffffffff81031df2>] ? dump_trace+0x252/0x750
[ 15.591943] [<ffffffff8147d590>] ? do_last+0x2c80/0x2c80
[ 15.591959] [<ffffffff81739023>] ? __list_add+0x93/0x160
[ 15.591974] [<ffffffff8104b48d>] ? save_stack_trace+0x7d/0xb0
[ 15.591989] [<ffffffff81480824>] do_filp_open+0xa4/0x160
[ 15.592004] [<ffffffff81480780>] ? user_path_mountpoint_at+0x50/0x50
[ 15.592022] [<ffffffff8149d755>] ? __alloc_fd+0x175/0x300
[ 15.592039] [<ffffffff81453127>] do_sys_open+0x1b7/0x3f0
[ 15.592054] [<ffffffff81452f70>] ? filp_open+0x80/0x80
[ 15.592070] [<ffffffff81453392>] SyS_open+0x32/0x40
[ 15.592088] [<ffffffff81f08989>] system_call_fastpath+0x16/0x1b
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
[seanpaul tweaked subject to remove "gpu/"]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473152138-25335-1-git-send-email-xiexiuqi@huawei.com
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The legacy setprop ioctl doesn't attempt to set properties
that are not enumerated on the object. The atomic ioctl does,
fix this by validating first.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473062773-5045-1-git-send-email-maarten.lankhorst@linux.intel.com
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Also provide some pointers for building IGT as some kernel hackers might
not be that familiar with building stuff on Linux distros.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1472715695-19812-1-git-send-email-tomeu.vizoso@collabora.com
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tilcdc fixes for v4.9
* tag 'tilcdc-4.9-fixes' of https://github.com/jsarha/linux:
drm/tilcdc: Choose console BPP that supports RGB
drm/tilcdc: Add blue-and-red-crossed devicetree property
drm/tilcdc: Write DMA base and ceiling address with single instruction
drm/tilcdc: Remove drm_helper_disable_unused_functions() call
drm/tilcdc: Enable EOF interrupts for v1 LCDC
drm/tilcdc: Adjust the FB_CEILING address
drm/tilcdc: Fix check for remote port parent
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Choose console BPP that supports RGB and remove the old fbdev bpp
selection code. LCDC on AM335x has red and blue wires switched between
24 bit and 16 bit colors. If 24 format is wired for RGB colors, the 16
bit format is wired for BGR. drm_fbdev_cma_init() does not currently
like anything else but RGB formats, so we must choose such bytes per
pixel value that supports RGB.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add "blue-and-red-wiring"-device tree property and update devicetree
binding document.
The red and blue components are reversed between 24 and 16 bit modes
on am335x LCDC output pins. To get 24 RGB format the red and blue
wires has to be crossed and this in turn causes 16 colors output to be
in BGR format. With straight wiring the 16 color is RGB and 24 bit is
BGR.
The new property describes whether the red and blue wires are crossed
or not. If the property is not present or its value is not recognized
the legacy mode is assumed. The legacy configuration supports RGB565,
RGB888 and XRGB8888 formats. However, depending on wiring, the red and
blue colors are swapped in either 16 or 24-bit color modes.
For more details see section 3.1.1 in AM335x Silicon Errata:
http://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=sprz360
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Write DMA base and ceiling address with a single instruction, if
available. This should make it more unlikely that LCDC would fetch the
DMA addresses in the middle of an update. Having bad combination of
addresses in dma base and ceiling (e.g base > ceiling) can cause
unpredictaple behavior in LCDC.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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drm_helper_disable_unused_functions() should not be called by atomic
drivers.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This got accidentally dropped in the fixed commit and is required for
the driver to properly work on the rev1 IP, such as found on the LCDK.
Fixes: 2b2080d7e9ae ("drm/tilcdc: Get rid of complex ping-pong mechanism")
Signed-off-by: Karl Beldan <kbeldan@baylibre.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
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The LCDC seems to expect its framebuffer ceiling address pointer to be
an inclusive bound. The IP rev2 seems to cope with that but rev1 (as
found on the LCDK) don't.
Also note that this is what the framebuffer code does in da8xx-fb.c.
Since, as the TRM puts it, "The 2 LSBs are hardwired to 00b", the
dma_addr_t can be decremented without cast.
I tested it with a v2 (AM335x, rev 0x4F201000) and an LCDK (v1).
Signed-off-by: Karl Beldan <kbeldan@baylibre.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
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In function tilcdc_get_external_components the check for
the remote port parent is not correct. We need a '||' instead of
an '&&'.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
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drm-next
This pull request brings in interlaced vblank timing and a 3D
rendering memory/CPU overhead reduction.
* tag 'drm-vc4-next-2016-08-29' of https://github.com/anholt/linux:
drm/vc4: Don't force new binner overflow allocation per draw.
drm/vc4: Enable/Disable vblanks properly in crtc en/disable.
drm/vc4: Enable precise vblank timestamping for interlaced modes.
drm/vc4: Reject doublescan modes.
drm/vc4: Fix handling of interlaced video modes.
drm/vc4: Disallow interlaced modes on DPI.
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This came from the initial bringup code, which always idled the GPU
and always reset the overflow. That massively increases the size of
the working set when you're doing lots of small draws, though, as is
common on X desktops or piglit.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Add missing drm_crtc_vblank_on/off() calls so vblank irq
handling/updating/timestamping never runs with a crtc shut down
or during its shutdown/startup, as that causes large jumps in
vblank count and trouble for compositors.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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On top of the interlaced video mode fix and with some additional
adjustments, this now works well. It has almost the same accuracy
as on regular progressive scan modes.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We can't handle doublescan modes at the moment, so if
userspace tries to set one, reject the mode set.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We must not apply CRTC_INTERLACE_HALVE_V to interlaced modes during
mode enumeration, as drm_helper_probe_single_connector_modes
does, so wrap it and reset the effect of CRTC_INTERLACE_HALVE_V
on affected interlaced modes.
Also mode_fixup interlaced modes passed in from user space.
This fixes the vblank timestamping constants and entries in
the mode->crtc_xxx fields needed for precise vblank timestamping.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We already don't expose such modes to userspace, but make
sure userspace can't sneak some interlaced mode in.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This reverts commit d10571fc4fba7d57fb8157f0be61dcbe4a7965ca.
This isn't how we get to do this unfortunately.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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