Commit Graph

849 Commits

Author SHA1 Message Date
Sumit Semwal
d8fbe341be dma-buf: cleanup dma_buf_export() to make it easily extensible
At present, dma_buf_export() takes a series of parameters, which
makes it difficult to add any new parameters for exporters, if required.

Make it simpler by moving all these parameters into a struct, and pass
the struct * as parameter to dma_buf_export().

While at it, unite dma_buf_export_named() with dma_buf_export(), and
change all callers accordingly.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
2015-04-21 14:47:16 +05:30
Dave Airlie
4a11248856 Merge tag 'topic/drm-misc-2015-04-15' of git://anongit.freedesktop.org/drm-intel into drm-next
One more drm-misch pull for 4.1 with mostly simple stuff and boring
refactoring. Even the cursor fix from Matt is just to make a really anal
igt happy.

* tag 'topic/drm-misc-2015-04-15' of git://anongit.freedesktop.org/drm-intel:
  drm: fix trivial typo mistake
  drm: Make integer overflow checking cover universal cursor updates (v2)
  drm: make crtc/encoder/connector/plane helper_private a const pointer
  drm/armada: constify struct drm_encoder_helper_funcs pointer
  drm/radeon: constify more struct drm_*_helper funcs pointers
  drm/edid: add #defines for ELD versions
  drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros
  drm: Use kref_put_mutex in drm_gem_object_unreference_unlocked
  drm/drm: constify all struct drm_*_helper funcs pointers
  drm/qxl: constify all struct drm_*_helper funcs pointers
  drm/nouveau: constify all struct drm_*_helper funcs pointers
  drm/radeon: constify all struct drm_*_helper funcs pointers
  drm/gma500: constify all struct drm_*_helper funcs pointers
  drm/mgag200: constify all struct drm_*_helper funcs pointers
  drm/exynos: constify all struct drm_*_helper funcs pointers
  drm: Fix some typos
2015-04-16 08:34:24 +10:00
Daniel Stone
68a2913407 drm/exynos: Fix FIMD buffer size calculation
Commit adacb228d7 ("drm: Exynos: Respect framebuffer pitch for
FIMD/Mixer") fixed the buffer size calculation by using the FB
pitch value but later commit 26b9c2813ede1 ("drm/exynos: remove
struct *_win_data abstraction on planes") added a regression so
fix the buffer size calculation again.

Tested on Chromebook Snow / Peach Pit.

Fixes: 26b9c2813ede1 ("drm/exynos: remove struct *_win_data abstraction on planes")
Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:48:20 +09:00
Krzysztof Kozlowski
1c363c7ccc drm/exynos: Enable DP clock to fix display on Exynos5250 and other
After adding display power domain for Exynos5250 in commit
2d2c9a8d0a ("ARM: dts: add display power domain for exynos5250") the
display on Chromebook Snow and others stopped working after boot.

The reason for this suggested Andrzej Hajda: the DP clock was disabled.
This clock is required by Display Port and is enabled by bootloader.
However when FIMD driver probing was deferred, the display power domain
was turned off. This effectively reset the value of DP clock enable
register.

When exynos-dp is later probed, the clock is not enabled and display is
not properly configured:

exynos-dp 145b0000.dp-controller: Timeout of video streamclk ok
exynos-dp 145b0000.dp-controller: unable to config video

Fixes: 2d2c9a8d0a ("ARM: dts: add display power domain for exynos5250")
Cc: <stable@vger.kernel.org>

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:42 +09:00
Hyungwon Hwang
d1222842c1 drm/exynos: fimd: check whether exynos_drm_crtc_create succeed or not
>From the commit "drm/exynos: fix the execution order in FIMD
initialization" (598285bfdce46d7c47632a2ba4b980f60be4a677), the error
checking code is removed improperly. This patch fix the regression.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:41 +09:00
Hyungwon Hwang
643c3024a5 drm/exynos: dsi: remove the empty mode_valid callback
Because the helper function which calls this callback checks whether
it is registered or not. It is not necessary if it does nothing.
So it would be better to remove the function for clarity.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:41 +09:00
Joonyoung Shim
3cabaf7ea7 drm/exynos: add ratio calculation
Calculation ratio from exynos_drm plane codes, then each hw drivers can
use it without extra operation. Also this fixes width and height of
source used for actual crtc shown via screen.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:41 +09:00
Joonyoung Shim
cb8a3db29f drm/exynos: use src_x and src_y instead of fb_x and fb_y
It's more reasonable to use src_x and src_y to represent source as
counterpart of destination(crtc). Already we are using src_width and
src_height for width and height of source.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:41 +09:00
Tobias Jakobi
2611015c75 drm/exynos: mixer: add 2x scaling to mixer_graph_buffer
While the VP (video processor) supports arbitrary scaling
of its input, the mixer just supports a simple 2x (line
doubling) scaling. Expose this functionality and exit
early when an unsupported scaling configuration is
encountered.

This was tested with modetest's DRM plane test (from
the libdrm test suite) on an Odroid-X2 (Exynos4412).

v2: Put if- and return-statement on different lines.

Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:41 +09:00
Tobias Jakobi
7ded85885d drm/exynos: remove superfluous error messages
The messages are redundant since 'check_fb_gem_memory_type'
already prints out exactly the same string when it fails.

Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Tobias Jakobi
1e6d459df6 drm/exynos: fix typos in hdmi and mixer
Use the correct spelling for 'progressive'.

Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Beata Michalska
e44bf6b7a5 drm/exynos/ipp: Validate buffer enqueue requests
As for now there is no validation of incoming buffer
enqueue request as far as the gem buffers are being
concerned. This might lead to some undesired cases
when the driver tries to operate on invalid buffers
(wiht no valid gem object handle i.e.).
Add some basic checks to rule out those potential issues.

Signed-off-by: Beata Michalska <b.michalska@samsung.com>
[mszyprow: rebased onto v4.0-rc1 and adapted to recent ipp changes]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Mandeep Singh Baines
e752747b98 drm/exynos: track vblank events on a per crtc basis
The goal of the change is to make sure we send the vblank event on the
current vblank. My hope is to fix any races that might be causing flicker.
After this change I only see a flicker in the transition plymouth and
X11.

Simplified the code by tracking vblank events on a per-crtc basis. This
allowed me to remove all error paths from the callback. It also allowed
me to remove the vblank wait from the callback.

Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Gustavo Padovan
5d09a67f1c drm/exynos: remove leftover functions declarations
These functions were already removed by previous cleanup work, but these
ones were left behind.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Gustavo Padovan
97464d7d9d drm/exynos: remove exynos_plane_destroy()
The .destroy() callback for exynos can be replaced by drm_plane_cleanup().
The only extra operation on exynos_plane_destroy() was a call to
exynos_plane_disable() but the plane is already disabled by a earlier call
to drm_framebuffer_remove().

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:40 +09:00
Gustavo Padovan
92104886e4 drm/exynos: make zpos property immutable
We already set each plane zpos at init, after that changes to zpos are
not expected. This patch turns zpos into a read-only property so now it is
impossible to set zpos.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:39 +09:00
Gustavo Padovan
6e2a3b66e7 drm/exynos: preset zpos value for overlay planes
Usually userspace don't want to have two overlay planes on the same zpos
so this change assign a different zpos for each plane. Before this change
a zpos of value zero was created for all planes so the userspace had to
set up the zpos of every plane it wanted to use.

Also all places that were storing zpos positions are now unsigned int.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:39 +09:00
Gustavo Padovan
7ee14cdcbc drm/exynos: remove struct *_win_data abstraction on planes
struct {fimd,mixer,vidi}_win_data was just keeping the same data
as struct exynos_drm_plane thus get ride of it and use exynos_drm_plane
directly.

It changes how planes are created and remove .win_mode_set() callback
that was only filling all *_win_data structs.

v2: check for return of exynos_plane_init()

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:39 +09:00
Gustavo Padovan
1be4b7ee80 drm/exynos: remove unused exynos_crtc->win_enable() callback
None of the exynos crtc drivers implements win_enable() so remove it for
better clarity of the code.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:39 +09:00
Gustavo Padovan
453b44a3f6 drm/exynos: fimd: fix alpha setting for XR24 pixel format
XR24 planes were not shown properly, so now set the right registers
to correctly enable displaying these planes.

It also moves the alpha register settings to fimd_win_set_pixfmt()
to keep all pixel format stuff together.

v2: remove leftover var alpha

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-13 11:39:39 +09:00
Dave Airlie
1d8ac08d49 Linux 4.0-rc7
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Merge tag 'v4.0-rc7' into drm-next

Linux 4.0-rc7

Requested by Alex for fixes -next needs.

Conflicts:
	drivers/gpu/drm/i915/intel_sprite.c
2015-04-09 07:48:27 +10:00
Jani Nikula
b0f8778a34 drm/exynos: constify all struct drm_*_helper funcs pointers
They are not to be modified.

Generated using the semantic patch:

@@
@@
(
  const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)

@@
@@
(
  const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)

@@
@@
(
  const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)

@@
@@
(
  const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-04-07 17:06:40 +02:00
Daniel Stone
adacb228d7 drm: Exynos: Respect framebuffer pitch for FIMD/Mixer
When performing a modeset, use the framebuffer pitch value to set FIMD
IMG_SIZE and Mixer SPAN registers. These are both defined as pitch - the
distance between contiguous lines (bytes for FIMD, pixels for mixer).

Fixes display on Snow (1366x768).

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-04-02 22:37:13 +09:00
Dave Airlie
9e87e48f8e 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
  ...
2015-04-01 08:21:46 +10:00
Hyungwon Hwang
cdbfca8907 drm/exynos: fix the initialization order in FIMD
Since commit 0f04cf8df0 ("drm/exynos:
fix wrong pipe calculation for crtc"), fimd_clear_channel() can be
called when is_drm_iommu_supported() returns true. In this case,
the kernel is going to be panicked because crtc is not set yet.

[    1.211156] [drm] Initialized drm 1.1.0 20060810
[    1.216785] Unable to handle kernel NULL pointer dereference at virtual address 00000350
[    1.223415] pgd = c0004000
[    1.226086] [00000350] *pgd=00000000
[    1.229649] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[    1.234940] Modules linked in:
[    1.237982] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc1-00062-g7a7cc79-dirty #123
[    1.246136] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[    1.252214] task: ee8c8000 ti: ee8d0000 task.ti: ee8d0000
[    1.257606] PC is at fimd_wait_for_vblank+0x8/0xc8
[    1.262370] LR is at fimd_bind+0x138/0x1a8
[    1.266450] pc : [<c02fb63c>]    lr : [<c02fb834>]    psr: 20000113
[    1.266450] sp : ee8d1d28  ip : 00000000  fp : 00000000
[    1.277906] r10: 00000001  r9 : c09d693c  r8 : c0a2d6a8
[    1.283114] r7 : 00000034  r6 : 00000001  r5 : ee0bb400  r4 : ee244c10
[    1.289624] r3 : 00000000  r2 : 00000000  r1 : 00000001  r0 : 00000000
[    1.296135] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    1.303426] Control: 10c5387d  Table: 4000404a  DAC: 00000015
[    1.309154] Process swapper/0 (pid: 1, stack limit = 0xee8d0210)
[    1.315143] Stack: (0xee8d1d28 to 0xee8d2000)
[    1.319486] 1d20:                   00000000 c0113d18 ee0bb400 ee0bb400 ee245c30 eebbe210
[    1.327645] 1d40: ee008a40 ee244c10 ee0bb400 00000001 00000034 c02fb834 00000000 c030a858
[    1.335804] 1d60: ee244a10 eeb60780 ee008a40 eeb60740 ee0bb400 c03030d0 00000000 00000000
[    1.343963] 1d80: ee244a10 ee0bb400 00000000 eeb60740 eeb60810 00000000 00000000 c02f6ba4
[    1.352123] 1da0: ee0bb400 00000000 00000000 c02e0500 ee244a00 c0a04a14 ee0bb400 c02e1de4
[    1.360282] 1dc0: 00000000 c030a858 00000002 eeb60820 eeb60820 00000002 eeb60780 c03033d4
[    1.368441] 1de0: c06e9cec 00000000 ee244a10 eeb60780 c0a056f8 c03035fc c0a04b24 c0a04b24
[    1.376600] 1e00: ee244a10 00000001 c0a049d0 c02f6d34 c0ad462c eeba0790 00000000 ee244a10
[    1.384759] 1e20: ffffffed c0a049d0 00000000 c03090b0 ee244a10 c0ad462c c0a2d840 c03077a0
[    1.392919] 1e40: eeb5e880 c024b738 000008db ee244a10 c0a049d0 ee244a44 00000000 c09e71d8
[    1.401078] 1e60: 000000c6 c0307a6c c0a049d0 00000000 c03079e0 c0305ea8 ee826e5c ee1dc7b4
[    1.409237] 1e80: c0a049d0 eeb5e880 c0a058a8 c0306e2c c0896204 c0a049d0 c06e9d10 c0a049d0
[    1.417396] 1ea0: c06e9d10 c0ad4600 00000000 c0308360 00000000 00000003 c06e9d10 c02f6e14
[    1.425555] 1ec0: 00000000 c0896204 ffffffff 00000000 00000000 00000000 00000000 00000000
[    1.433714] 1ee0: 00000000 00000000 c02f6d5c c02f6d5c 00000000 eeb5d740 c09e71d8 c0008a30
[    1.441874] 1f00: ef7fca5e 00000000 00000000 00000066 00000000 ee8d1f28 c003ff1c c02514e8
[    1.450033] 1f20: 60000113 ffffffff c093906c ef7fca5e 000000c6 c004018c 00000000 c093906c
[    1.458192] 1f40: c08a9690 c093840c 00000006 00000006 c09eb2ac c09c0d74 00000006 c09c0d54
[    1.466351] 1f60: c0a3d680 c09745a0 c09d693c 000000c6 00000000 c0974db4 00000006 00000006
[    1.474510] 1f80: c09745a0 ffffffff 00000000 c0692e00 00000000 00000000 00000000 00000000
[    1.482669] 1fa0: 00000000 c0692e08 00000000 c000f040 00000000 00000000 00000000 00000000
[    1.490828] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.498988] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[    1.507159] [<c02fb63c>] (fimd_wait_for_vblank) from [<c02fb834>] (fimd_bind+0x138/0x1a8)
[    1.515313] [<c02fb834>] (fimd_bind) from [<c03030d0>] (component_bind_all+0xc4/0x20c)
[    1.523209] [<c03030d0>] (component_bind_all) from [<c02f6ba4>] (exynos_drm_load+0xa0/0x140)
[    1.531632] [<c02f6ba4>] (exynos_drm_load) from [<c02e0500>] (drm_dev_register+0xa0/0xf4)
[    1.539788] [<c02e0500>] (drm_dev_register) from [<c02e1de4>] (drm_platform_init+0x44/0xcc)
[    1.548121] [<c02e1de4>] (drm_platform_init) from [<c03033d4>] (try_to_bring_up_master.part.1+0xc8/0x104)
[    1.557668] [<c03033d4>] (try_to_bring_up_master.part.1) from [<c03035fc>] (component_master_add_with_match+0xd0/0x118)
[    1.568431] [<c03035fc>] (component_master_add_with_match) from [<c02f6d34>] (exynos_drm_platform_probe+0xf0/0x118)
[    1.578847] [<c02f6d34>] (exynos_drm_platform_probe) from [<c03090b0>] (platform_drv_probe+0x48/0x98)
[    1.588052] [<c03090b0>] (platform_drv_probe) from [<c03077a0>] (driver_probe_device+0x140/0x380)
[    1.596902] [<c03077a0>] (driver_probe_device) from [<c0307a6c>] (__driver_attach+0x8c/0x90)
[    1.605321] [<c0307a6c>] (__driver_attach) from [<c0305ea8>] (bus_for_each_dev+0x54/0x88)
[    1.613480] [<c0305ea8>] (bus_for_each_dev) from [<c0306e2c>] (bus_add_driver+0xec/0x200)
[    1.621640] [<c0306e2c>] (bus_add_driver) from [<c0308360>] (driver_register+0x78/0xf4)
[    1.629625] [<c0308360>] (driver_register) from [<c02f6e14>] (exynos_drm_init+0xb8/0x11c)
[    1.637785] [<c02f6e14>] (exynos_drm_init) from [<c0008a30>] (do_one_initcall+0xac/0x1ec)
[    1.645950] [<c0008a30>] (do_one_initcall) from [<c0974db4>] (kernel_init_freeable+0x194/0x268)
[    1.654626] [<c0974db4>] (kernel_init_freeable) from [<c0692e08>] (kernel_init+0x8/0xe4)
[    1.662699] [<c0692e08>] (kernel_init) from [<c000f040>] (ret_from_fork+0x14/0x34)
[    1.670246] Code: eaffffd5 c09df884 e92d40f0 e24dd01c (e5905350)
[    1.676408] ---[ end trace 804468492f306a6f ]---
[    1.680948] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    1.680948]
[    1.690035] CPU1: stopping
[    1.692727] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D         4.0.0-rc1-00062-g7a7cc79-dirty #123
[    1.702097] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[    1.708192] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[    1.715908] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[    1.723108] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[    1.730485] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[    1.738036] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[    1.745498] Exception stack(0xee8fdf98 to 0xee8fdfe0)
[    1.750533] df80:                                                       00000000 00000000
[    1.758695] dfa0: ee8fdfe8 c0021780 c09df938 00000015 10c0387d c0a3d988 4000406a c09df8d4
[    1.766853] dfc0: c0a27a74 c09df940 01000000 ee8fdfe0 c00101c0 c00101c4 60000113 ffffffff
[    1.775015] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[    1.782397] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[    1.790639] [<c005e804>] (cpu_startup_entry) from [<40008764>] (0x40008764)
[    1.797579] CPU0: stopping
[    1.800272] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D         4.0.0-rc1-00062-g7a7cc79-dirty #123
[    1.809642] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[    1.815730] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[    1.823450] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[    1.830653] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[    1.838030] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[    1.845581] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[    1.853043] Exception stack(0xc09ddf60 to 0xc09ddfa8)
[    1.858081] df60: 00000000 00000000 c09ddfb0 c0021780 c09df938 00000001 ffffffff c0a3d680
[    1.866239] df80: c09c0dec c09df8d4 c0a27a74 c09df940 01000000 c09ddfa8 c00101c0 c00101c4
[    1.874396] dfa0: 60000113 ffffffff
[    1.877872] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[    1.885251] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[    1.893499] [<c005e804>] (cpu_startup_entry) from [<c0974bc8>] (start_kernel+0x324/0x37c)
[    1.901655] [<c0974bc8>] (start_kernel) from [<40008074>] (0x40008074)
[    1.908161] CPU3: stopping
[    1.910855] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D         4.0.0-rc1-00062-g7a7cc79-dirty #123
[    1.920225] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[    1.926313] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[    1.934034] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[    1.941237] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[    1.948613] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[    1.956165] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[    1.963626] Exception stack(0xee901f98 to 0xee901fe0)
[    1.968661] 1f80:                                                       00000000 00000000
[    1.976823] 1fa0: ee901fe8 c0021780 c09df938 00000015 10c0387d c0a3d988 4000406a c09df8d4
[    1.984982] 1fc0: c0a27a74 c09df940 01000000 ee901fe0 c00101c0 c00101c4 60000113 ffffffff
[    1.993143] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[    2.000522] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[    2.008765] [<c005e804>] (cpu_startup_entry) from [<40008764>] (0x40008764)
[    2.015710] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-03-18 20:41:19 +09:00
Inki Dae
3da6acfc89 drm/exynos: fix typo config name correctly.
This patch fixes DRM_EXYNOS7DECON to DRM_EXYNOS7_DECON.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-03-18 20:41:19 +09:00
Charles Keepax
995fdfb9c8 drm/exynos: Check for NULL dereference of crtc
The commit "drm/exynos: remove exynos_plane_dpms" (d9ea6256) removed the
use of the enabled flag, which means that the code may attempt to call
win_enable on a NULL crtc. This results in the following oops on
Arndale:

[    1.673479] Unable to handle kernel NULL pointer dereference at virtual address 00000368
[    1.681500] pgd = c0004000
[    1.684154] [00000368] *pgd=00000000
[    1.687713] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[    1.693012] Modules linked in:
[    1.696045] CPU: 1 PID: 1 Comm: swapper/0 Not tainted
3.19.0-07545-g57485fa #1907
[    1.703524] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
(....)
[    2.014803] [<c02f9cfc>] (exynos_plane_destroy) from [<c02e61b4>] (drm_mode_config_cleanup+0x168/0x20c)
[    2.024178] [<c02e61b4>] (drm_mode_config_cleanup) from [<c02f66fc>] (exynos_drm_load+0xac/0x12c)

This patch adds in a check to ensure exynos_crtc is not NULL before it
is dereferenced.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-03-18 20:41:18 +09:00
Dan Carpenter
aed45ab4b0 drm/exynos: IS_ERR() vs NULL bug
of_iomap() doesn't return error pointers, it returns NULL on error.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-03-18 20:41:18 +09:00
Andrzej Hajda
5fcc3c88f9 drm/exynos: remove unused files
These files are not used anymore.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-03-18 20:41:17 +09:00
Rob Clark
ecbf1d5afe drm/exynos: use correct fb width/height
What is passed to drm_fb_helper_fill_var() should be fb_width/fb_height,
rather than the surface size.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-03-11 22:08:17 +01:00
Dave Airlie
ab07881a2a Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Summary:
- Add code cleanups and bug fixups.
- Add a new display controller dirver, DECON which is a new display
  controller of Exynos7 SoC. This device is much different from
  FIMD of Exynos4 and Exynos4 SoC series.

* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: Add DECON driver
  drm/exynos: fix NULL pointer reference
  drm/exynos: remove exynos_plane_dpms
  drm/exynos: remove mode property of exynos crtc
  drm/exynos: Remove exynos_plane_dpms() call with no effect
  drm/exynos: fix DMA_ATTR_NO_KERNEL_MAPPING usage
  drm/exynos: hdmi: replace fb size with mode size from win commit
  drm/exynos: fix no hdmi output
  drm/exynos: use driver internal struct
  drm/exynos: fix wrong pipe calculation for crtc
  drm/exynos: remove to use unnecessary MODULE_xxx macro
  drm/exynos: remove DRM_EXYNOS_DMABUF config
  drm/exynos: IOMMU support should not be selectable by user
  drm/exynos: add support for 'hdmi' clock
2015-02-13 13:02:49 +10:00
Ajay Kumar
96976c3d9a drm/exynos: Add DECON driver
This patch is based on exynos-drm-next branch of Inki Dae's tree at:
git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git

DECON(Display and Enhancement Controller) is the new IP
in exynos7 SOC for generating video signals using pixel data.

DECON driver can be used to drive 2 different interfaces on Exynos7:
DECON-INT(video controller) and DECON-EXT(Mixer for HDMI)

The existing FIMD driver code was used as a template to create
DECON driver. Only DECON-INT is supported as of now, and
DECON-EXT support will be added later.

The current version of the driver supports video mode displays.

Changelog v2:
- Change config name, DRM_EXYNOS_DECON to DRM_EXYNOS7_DECON.

Signed-off-by: Akshu Agrawal <akshua@gmail.com>
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-11 20:27:08 +09:00
Dave Airlie
ae6d57d12a Merge tag 'topic/drm-misc-2015-02-06' of git://anongit.freedesktop.org/drm-intel into drm-next
Flushing out my drm-misc queue with a few oddball things all over.

* tag 'topic/drm-misc-2015-02-06' of git://anongit.freedesktop.org/drm-intel:
  drm: Use static attribute groups for managing connector sysfs entries
  drm: remove DRM_FORMAT_NV12MT
  drm/modes: Print the mode status in human readable form
  drm/irq: Don't disable vblank interrupts when already disabled
2015-02-11 15:33:02 +10:00
Joonyoung Shim
936ce5cce6 drm/exynos: fix NULL pointer reference
There is a case called disable_plane callback function even if
plane->crtc is NULL from exynos_drm_encoder_disable and it will cause
NULL pointer reference error.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-09 23:56:36 +09:00
Joonyoung Shim
d9ea62566d drm/exynos: remove exynos_plane_dpms
The exynos_plane_dpms function handles enabled flag of exynos plane and
calls internal hw driver callback function for hw overlay on/off. But
it causes state disharmory problem currently and is will be obstacle to
apply atomic operation later to keep non-standard per-plane dpms state
like enabled flag.

Let's remove enabled flag, it just stop to recall internal callback
function but hw drivers can handle it properly. And call internal
callback function directly then we can remove unnecessary
exynos_plane_dpms function

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-09 23:56:35 +09:00
Joonyoung Shim
f27829a184 drm/exynos: remove mode property of exynos crtc
This was added by commit 3b8d1cf818 ("drm/exynos: add property for
crtc mode"). Currently we can control a plane used for crtc using
primary plane by universal plane feature. Stop to use non-standard
property to control primary plane.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-09 23:56:34 +09:00
Gustavo Padovan
30b39f0488 drm/exynos: Remove exynos_plane_dpms() call with no effect
exynos_plane_dpms(DRM_MODE_DPMS_ON) calls the win_enable()'s callback
from the underlying layer. However neither one of these layers implement
win_enable() - FIMD, Mixer and VIDI. Thus the call to exynos_plane_dpms()
is pointless.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-09 23:56:22 +09:00
Carlo Caione
a5d7ac30fa drm/exynos: fix DMA_ATTR_NO_KERNEL_MAPPING usage
The Exynos DRM driver doesn't follow the correct API when dealing with
dma_{alloc, mmap, free}_attrs functions and the
DMA_ATTR_NO_KERNEL_MAPPING attribute.

When a IOMMU is not available and the DMA_ATTR_NO_KERNEL_MAPPING is
used, the driver should use the pointer returned by dma_alloc_attr() as
a cookie.

The Exynos DRM driver directly uses the non-requested virtual kernel
address returned by the DMA mapping subsystem. This just works now
because the non-IOMMU codepath doesn't obey DMA_ATTR_NO_KERNEL_MAPPING
but we need to fix it before fixing the DMA layer.

Signed-off-by: Carlo Caione <carlo@caione.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:41 +09:00
Seung-Woo Kim
129046c6ec drm/exynos: hdmi: replace fb size with mode size from win commit
For default graphic window, mixer_win_commit() sets display size
register as fb size. Calling setplane with smaller fb size than
mode size to default window causes distorted display result. So
this patch replaces fb size with mode size for display size from
the mixer_win_commit().

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:41 +09:00
Alban Browaeys
e2dc3f72ee drm/exynos: fix no hdmi output
The hdmi outputs black screen only even though under the hood Xorg and
framebuffer console  are fine : devices found and initialized, but
not a pixel out.

Commit 93bca243ec ("drm/exynos: remove struct exynos_drm_manager")
changed the call order of mixer_initialize with regards to
 exynos_drm_crtc_create.

This changes breaks hdmi out on Odroid U2 (linux-next with added
 Marek Szyprowski v4 hdmi patchset from linux-samsung-soc ML).

Restore the previous call ordering get hdmi to ouput proper pixels:
ie call mixer_initialize first then exynos_drm_crtc_create.

Fixes: 93bca243ec ("drm/exynos: remove struct exynos_drm_manager")
Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:41 +09:00
Joonyoung Shim
92dc7a047b drm/exynos: use driver internal struct
Use driver internal struct as argument instead of struct exynos_drm_crtc
except functions of exynos_drm_crtc_ops and instead of struct
exynos_drm_display except functions of exynos_drm_display_ops.

It can reduce unnecessary variable declaration.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:41 +09:00
Joonyoung Shim
0f04cf8df0 drm/exynos: fix wrong pipe calculation for crtc
We get wrong pipe value for crtc since commit 93bca243ec ("drm/exynos:
remove struct exynos_drm_manager"). We should should increase pipe value
before call exynos_drm_crtc_create.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:40 +09:00
Joonyoung Shim
9865df4d76 drm/exynos: remove to use unnecessary MODULE_xxx macro
The exynos_drm_dmabuf.c file doesn't include any module feature and it
isn't built to module.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:40 +09:00
Joonyoung Shim
b74ea6a97e drm/exynos: remove DRM_EXYNOS_DMABUF config
The exynos drm driver has DRIVER_PRIME capability, then it's reasonable
to support dmabuf as default. Remove DRM_EXYNOS_DMABUF config, it will
prevent that user selects the option unnecessarily.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:40 +09:00
Marek Szyprowski
8dcc14f82f drm/exynos: IOMMU support should not be selectable by user
If system provides IOMMU feature, Exynos DRM should use it by default,
because the Exynos DRM subdrivers don't work correctly when Exynos IOMMU
driver has been enabled and no IOMMU support has been compiled into Exynos
DRM driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:40 +09:00
Marek Szyprowski
04427ec574 drm/exynos: add support for 'hdmi' clock
Mixed need to have hdmi clock enabled to properly perform power on/off
sequences, so add handling of this clock directly to the mixer driver.
Dependency between hdmi clock and mixer module has been observed on
Exynos4 based boards.

Suggested-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-02-07 16:38:40 +09:00
Daniel Vetter
083500baef drm: remove DRM_FORMAT_NV12MT
So this has been merged originally in

commit 83052d4d5c
Author: Seung-Woo Kim <sw0312.kim@samsung.com>
Date:   Thu Dec 15 15:40:55 2011 +0900

    drm: Add multi buffer plane pixel formats

which hasn't seen a lot of review really. The problem is that it's not
a real pixel format, but just a different way to lay out NV12 pixels
in macroblocks, i.e. a tiling format.

The new way of doing this is with the soon-to-be-merged fb modifiers.

This was brough up in some long irc discussion around the entire
topic, as an example of where things have gone wrong. Luckily we can
correct the mistake:
- The kms side support for NV12MT is all dead code because
  format_check in drm_crtc.c never accepted NV12MT.
- The gem side for the gsc support doesn't look better: The code
  forgets to set the pixel format and makes a big mess with the tiling
  mode bits, inadvertedly setting them all.

Conclusion: This never really worked (at least not in upstream) and
hence we can safely correct our mistake here.

Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Rob Clark <robclark@freedesktop.org>
Cc: Daniel Stone <daniel@fooishbar.org>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-02-04 10:10:05 +01:00
Ajay Kumar
801855671a drm/exynos: dp: support drm_bridge
Modify driver to support drm_bridge.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Rahul Sharma <rahul.sharma@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-01-28 08:47:29 +01:00
Ajay Kumar
6a1688ae87 drm/bridge: ptn3460: Convert to I2C driver model
Use drm_bridge helpers to modify the driver to support I2C driver model.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Rahul Sharma <rahul.sharma@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
[treding@nvidia.com: remove recursive dependency on I2C]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-01-28 08:47:28 +01:00
Dave Airlie
923e0575a9 Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
This pull request includes some code refactoring which removes
   Exynos specific structure names and uses generic structure
   names instead, and makes all plane updating to be done
   by only exynos_update_plane function. And also it includes
   some cleanup and fixup patches.

* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (22 commits)
  drm/exynos: fimd: check error status for drm_iommu_attach_device
  drm/exynos: create exynos_check_plane()
  drm/exynos: remove mode_set() ops from exynos_crtc
  drm/exynos: don't duplicate drm_display_mode in fimd context
  drm/exynos: remove struct exynos_drm_manager
  drm/exynos: remove drm_dev from struct exynos_drm_manager
  drm/exynos: move 'type' from manager to crtc struct
  drm/exynos: remove pipe member of struct exynos_drm_manager
  drm/exynos: add pipe param to exynos_drm_crtc_create()
  drm/exynos: rename base object of struct exynos_drm_crtc to 'base'
  drm/exynos: remove exynos_drm_crtc_mode_set_commit()
  drm/exynos: call exynos_update_plane() directly on page flips
  drm/exynos: unify plane update on exynos_update_plane()
  drm/exynos: remove exynos_plane_commit() wrapper
  drm/exynos: don't do any DPMS operation while updating planes
  drm/exynos: Don't touch DPMS when updating overlay planes
  drm/exynos/vidi: remove useless ops->commit()
  drm/exynos/fimd: don't initialize 'ret' variable in fimd_probe()
  drm/exynos: remove struct exynos_drm_overlay
  drm/exynos: remove exynos_drm_crtc_plane_* wrappers
  ...
2015-01-27 09:38:29 +10:00