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drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c: In function ‘mali_platform_init’:
drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c:346:2: warning: ignoring return value of ‘regulator_enable’, declared with attribute warn_unused_result [-Wunused-result]
regulator_enable(mali->vdd_g3d);
^
Change-Id: I72d60e94e2f7380fcc7a457cf487368037d30b7a
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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This is based on drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c
Change-Id: Ib030f2463648983f3855d827d022c15ad3a76ab9
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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This fixes below warnings.
[ 1.461424] ------------[ cut here ]------------
[ 1.464524] WARNING: at fs/proc/generic.c:101 __xlate_proc_name+0xa8/0xbc()
[ 1.471444] name '/gpu@13000000'
[ 1.474651] Modules linked in:
[ 1.477678] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.39-01649-g6491ddb-dirty #15
[ 1.485623] [<c0014224>] (unwind_backtrace+0x0/0xf4) from [<c0011520>] (show_stack+0x10/0x14)
[ 1.494120] [<c0011520>] (show_stack+0x10/0x14) from [<c001ff7c>] (warn_slowpath_common+0x54/0x6c)
[ 1.503050] [<c001ff7c>] (warn_slowpath_common+0x54/0x6c) from [<c001ffc4>] (warn_slowpath_fmt+0x30/0x40)
[ 1.512598] [<c001ffc4>] (warn_slowpath_fmt+0x30/0x40) from [<c010774c>] (__xlate_proc_name+0xa8/0xbc)
[ 1.521886] [<c010774c>] (__xlate_proc_name+0xa8/0xbc) from [<c01077ac>] (__proc_create+0x4c/0x100)
[ 1.530910] [<c01077ac>] (__proc_create+0x4c/0x100) from [<c0107b18>] (proc_mkdir_data+0x2c/0x68)
[ 1.539766] [<c0107b18>] (proc_mkdir_data+0x2c/0x68) from [<c007b72c>] (register_handler_proc+0xd8/0xf0)
[ 1.549233] [<c007b72c>] (register_handler_proc+0xd8/0xf0) from [<c0077b38>] (__setup_irq+0x1e4/0x440)
[ 1.558525] [<c0077b38>] (__setup_irq+0x1e4/0x440) from [<c0077ec4>] (request_threaded_irq+0xa8/0x128)
[ 1.567817] [<c0077ec4>] (request_threaded_irq+0xa8/0x128) from [<c02a6f34>] (_mali_osk_irq_init+0x64/0x124)
[ 1.577628] [<c02a6f34>] (_mali_osk_irq_init+0x64/0x124) from [<c02afa58>] (mali_pp_create+0xac/0x23c)
[ 1.586899] [<c02afa58>] (mali_pp_create+0xac/0x23c) from [<c02aa94c>] (mali_initialize_subsystems+0x21c/0x7d8)
[ 1.596966] [<c02aa94c>] (mali_initialize_subsystems+0x21c/0x7d8) from [<c02ab854>] (mali_probe+0x3c/0x254)
[ 1.606697] [<c02ab854>] (mali_probe+0x3c/0x254) from [<c02bd314>] (driver_probe_device+0x88/0x244)
[ 1.615715] [<c02bd314>] (driver_probe_device+0x88/0x244) from [<c02bd5a0>] (__driver_attach+0x8c/0x90)
[ 1.625089] [<c02bd5a0>] (__driver_attach+0x8c/0x90) from [<c02bb8f0>] (bus_for_each_dev+0x60/0x94)
[ 1.634121] [<c02bb8f0>] (bus_for_each_dev+0x60/0x94) from [<c02bcb68>] (bus_add_driver+0x1c0/0x24c)
[ 1.643232] [<c02bcb68>] (bus_add_driver+0x1c0/0x24c) from [<c02bdb78>] (driver_register+0x78/0x140)
[ 1.652345] [<c02bdb78>] (driver_register+0x78/0x140) from [<c02abaa4>] (mali_module_init+0xc/0x50)
[ 1.661370] [<c02abaa4>] (mali_module_init+0xc/0x50) from [<c000870c>] (do_one_initcall+0x108/0x158)
[ 1.670505] [<c000870c>] (do_one_initcall+0x108/0x158) from [<c07bec54>] (kernel_init_freeable+0x13c/0x1dc)
[ 1.680214] [<c07bec54>] (kernel_init_freeable+0x13c/0x1dc) from [<c05a05bc>] (kernel_init+0xc/0x160)
[ 1.689411] [<c05a05bc>] (kernel_init+0xc/0x160) from [<c000df58>] (ret_from_fork+0x14/0x3c)
[ 1.697837] ---[ end trace e694d4bb842a349f ]---
Change-Id: Ic2b9ef0388f929e5d028ccd3b10882aecc9c815e
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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This comes from commit ("local/ARM/MALI400: R4P0_REL0: Clean up codes")
of in-house kernel.
Change-Id: Id835808d157438527d32b3f3cf46108ab8d45fb6
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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It needs clock setting change by the commit 0a88cf3 ("ARM: dts:
exynos4x12: clean up clock property for gpu node").
Change-Id: I18d40e382c152a1a7c9dcd3077cbc2a83b265485
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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It's better R3P2_REL0 exynos platform codes than R4P0_REL0.
Change-Id: Ia97c1b800a209a98a860f533e5617efebcf3e600
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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I don't know why added it.
Change-Id: I60ecbc113d4a9fb1e32971bd249f1fe167b0c2d9
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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This patch ports mali400 r4p0 rel0 with exynos common platform.
Change-Id: I741c2fbd76cbb7177472ea61b40d7fab22a7c081
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
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This comes from in-house kernel.
Change-Id: Ic3f3516e44e71ea9ca2e0b5caa6a9e836ffa599c
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
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MFC v7 supports only one memory interface. Adjust memory ports
initialization accordingly.
Change-Id: I56e2c582c41f9ad948dc612b3060688619195b1c
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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Firmware version v7 is mostly similar to v6 in terms
of hardware specific controls and commands. So the hardware
specific opr_v6 and cmd_v6 are re-used for v7 also. This patch
updates the v6 files to handle v7 version also.
Change-Id: I137075c6802cfef3aa40cb45413837f18fa969eb
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Adds variant data and core support for the MFC v7 firmware
Change-Id: I5dc12438d3bfdf6d254f4ced3089e1881d524e0b
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The patch adds the register definition file for new firmware
version v7 for MFC. New firmware supports VP8 encoding along with
many other features.
Change-Id: I3abf2768fe2a59ec45f6f4a2660c3ccf23f7ca88
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The MFC v6 specific code holds good for MFC v7 also as
the v7 version is a superset of v6 and the HW interface
remains more or less similar. This patch renames the macro
IS_MFCV6() to IS_MFCV6_PLUS() so that it can be used
for v7 also.
Change-Id: Ia27f4ed36cc46568bbe9152f13332436f04e106a
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch adds mfc codec device tree node.
Change-Id: I6d4ef65b1c518ddcace691c23aded8e0797193e4
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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This patch adds mfc codec device tree node and the corresponding IOMMU
device node.
Change-Id: I8ea6b68b92fe035ec947cc5319b0cd1d070764d0
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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Commit d19f405a5a8d2ed942b40f8cf7929a5a50d0cc59 ("[media] s5p-mfc: Fix
selective sclk_mfc init") added support for special clock handling
(named "sclk-mfc"). However this clock is not defined yet on any
platform, so before adding it to all Exynos platform, better rename it
to "sclk_mfc" to match the scheme used for all other special clocks on
Exynos platform.
Change-Id: I41f646096e8a82c3cca032e1cc7a70f6d2960059
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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fc906b6d "Remove special clock usage in driver" removed
initialization of MFC special clock, arguing that there's
no need to do it explicitly, since it's one of MFC gate clock's
dependencies and gets enabled along with it. However, there's
no promise of keeping this hierarchy across Exynos SoC
releases, therefore this approach fails to provide a stable,
portable solution.
Out of all MFC versions, only v6 doesn't use special clock at all.
For other versions log a message only in case clk_get fails,
as not all the devices with the same MFC version require
initializing the clock explicitly.
Change-Id: Id5ee2696c7b880f45f9744b6bac603dcee9e3dcb
Signed-off-by: Mateusz Zalega <m.zalega@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This reverts commit 2cbd58556a83b417750483de842e1e918de273a3.
Mainline commit d19f405a "Fix selective sclk_mfc init"
solves the issue in a wider scope.
Change-Id: Ib163697c3ae65e30b6e13f6f7170d791d853a6f0
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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Use proper bitwise operator while clearing HUF_TBL_EN bit.
Change-Id: Ic78dd26168ffa6124d61f8cb9549339f05cff0d9
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Take into account the JPEG_CNTL register value read before
setting SYS_INT_EN bit field.
Change-Id: I76b622f01be6747ea2ad95e63fb305377b0f540b
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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There is no need to read INT_EN_REG before enabling interrupts.
Change-Id: Idebb919754df34fb2bfa53982a4ea0a7be3f1fe7
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Avoid gcc warning when -Wunused-but-set-variable is enabled.
The readl return value need not to be assigned to any variable
as the reading itself is just a part of a sequence required
for clearing the interrupt flag.
Change-Id: I09b9ec4a724ae46eca0491d81003cd0c0f714ad2
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c: In function 's5p_jpeg_clear_int':
drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c:327:16: warning: variable 'reg' set but not used [-Wunused-but-set-variable]
unsigned long reg;
^
Change-Id: I51401e5bc719fd8788933acf2181daa5b82bed38
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Change-Id: I1c4d9de9c3c476356d71d3c219d7313c9492fddc
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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Initialize components variable in order to avoid
the possibility of using it uninitialized.
Change-Id: Ib1c9c11d1fc94aa5aa4e28f24819b32d6dd1ee5c
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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Take into account limitations specific to the Exynos3250 SoC,
regarding setting the chroma subsampling control's value.
Change-Id: I5f106163efb3961b4684c111cee7527bfe5454f6
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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JPEG codec on Exynos3250 SoC produces broken raw image if a JPEG
image is decoded to YUV420 format and downscaled by a factor
greater than 2. Prevent this by asserting downscale ratio to 2.
Change-Id: Ib415579d25a4b076a1879b3108c3a08b3dcd4ab8
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Assure proper crop_rect initialization in case the user space
doesn't call S_SELECTION ioctl.
Change-Id: I0ad267a1f3480efa83e78e714fb4ba94e08494be
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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V4L2_SEL_TGT_COMPOSE_DEFAULT switch case should select whole
available area of the image and V4L2_SEL_TGT_COMPOSE
should apply user settings.
Change-Id: I32ea7a72f86a52b001a251782f821d0772f42e54
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The jpeg_bound_align_image function needs to know the context
in which it is called, as it needs to align image dimensions in
a slight different manner for Exynos3250, which crops pixels for
specific values in case the format is RGB.
Change-Id: I697ec8aa1bf602695618d3bc373031aa8e06d59a
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When parsing JPEG header s5p_jpeg_parse_hdr function
should return immediately in case there was an error
while reading a byte.
Change-Id: I82429c1e2878f27276594da1069b30c40b83aadb
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch adds support for jpeg codec on Exynos3250 SoC to
the s5p-jpeg driver. Supported raw formats are: YUYV, YVYU, UYVY,
VYUY, RGB565, RGB565X, RGB32, NV12, NV21. The support includes
also scaling and cropping features.
Change-Id: I16bc7135f97ef7cf029dff7e8f7c59cf0fea8daf
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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JPEG IP on Exynos3250 SoC requires enabling two clock gates
for its operation. This patch documents this requirement.
Change-Id: If6670c5b841d5a4fc7a9e47db5a234fa60e1b92e
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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S5PC210 SoC doesn't support encoding NV12 raw images. Remove
relavant flag from the respective entry in the sjpeg_formats
array.
Change-Id: Ibe70ae070afab4dcf380c41dc36a2a276b8f78f3
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch fixes build break occurring when there is no support
for Device Tree turned on in the kernel configuration. In such
case only the driver variant for S5PC210 SoC will be available.
Change-Id: Ic747bc56bbc5c624e9c21c9e68b62be806a18f60
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Prevent decompression of a JPEG 4:2:0 with odd width to
the YUV 4:2:0 compliant formats for Exynos4x12 SoCs and
adjust capture format to RGB565 in such a case. This is
required because the configuration would produce a raw
image with broken luma component.
Change-Id: Id4bf3ddca3fed89ee1a2db56c342661717e3db2e
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch fixes jpeg sysmmu page fault on Exynos4x12 SoCs.
During encoding Exynos4x12 SoCs access wider memory area
than it results from Image_x and Image_y values written to
the JPEG_IMAGE_SIZE register. In order to avoid sysmmu page
fault apply proper output buffer size alignment.
Change-Id: I39f40d68b10c29d0085cbd0ef986b9f311fd7ba8
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Remove erroneous guard preventing successful execution of
g_selection callback in case the driver variant is different
from SJPEG_S5P.
Change-Id: I4db87c0abfc0fd15ec8ae137192e522136ecec1b
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Simplify the code by adding m2m_ops field to the
s5p_jpeg_variant structure which allows to avoid
"if" statement in the s5p_jpeg_probe function.
Change-Id: I3ae0bc8e5af4ee26aa13f136255342eb3c50e89e
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Change the driver variant check from "is not S5PC210"
to "is Exynos4" while checking whether YUV format needs
to be downgraded in order to prevent upsampling which
is not supported by Exynos4 SoCs family.
Change-Id: Iedda710f6e6ea62555e2bde9481f7e789eb36fb9
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Simplify the code by adding fmt_ver_flag field
to the s5p_jpeg_variant structure which allows
to avoid "if" statement in the s5p_jpeg_find_format
function.
Change-Id: I0f5610b5450a9d29ec1fc09f2837f712b76ac909
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Change-Id: I5a0ac834689e86400078421f033b5b1d07eb3e05
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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NV12 format entries in the sjpeg_formats array had wrong
colplanes, depth and v_align values.
Change-Id: I1c5813862046fa9b1bf0a327721a05e630b39e1c
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Whereas S5PC210 device produces decoded JPEG subsampling values that
map on V4L2_JPEG_CHROMA_SUBSAMPLNG values, the Exynos4x12 device
doesn't. This patch adds helper function s5p_jpeg_to_user_subsampling,
which performs suitable translation.
Change-Id: Ide93376b0fd413cb769a562ebe727ee706391dff
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Exynos4x12 has limitations regarding setting chroma subsampling
of an output JPEG image. It cannot be lower than the subsampling
of the raw source image. Also in case of V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY
option the source image fourcc has to be V4L2_PIX_FMT_GREY.
This patch implements try_ctrl callback containing mechanism that
prevents setting invalid value of the V4L2_CID_JPEG_CHROMA_SUBSAMPLING
control.
Change-Id: Ic0f08644f21fb167e049ac60a7d49b14d5e0f058
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When output queue fourcc is set to any flavour of YUV,
the V4L2_CID_JPEG_CHROMA_SUBSAMPLING control value as
well as its in-driver cached counterpart have to be
updated with the subsampling property of the format
so as to be able to provide correct information to the
user space and preclude setting an illegal subsampling
mode for Exynos4x12 encoder.
Change-Id: I342638537b57940d411513a5465bf8449a1d1091
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Exynos4x12 supports wider scope of subsampling modes than
S5PC210. Adjust corresponding mask accordingly.
Change-Id: Ie734ac8a4e4442e91ff5453fbe4be007607513a5
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Adjust capture format to the Exynos4x12 device limitations,
according to the subsampling value parsed from the source
JPEG image header. If the capture format was set to YUV with
subsampling lower than the one of the source JPEG image
the decoding process would not succeed.
Change-Id: I12420509e1c9ab887dcf3ab78099917d2bae5ae4
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Make s5p_jpeg_parse_hdr function capable of parsing
"YCbCr subsampling" field of a jpeg file header. Store the
parsed value in the context.
The information about source JPEG subsampling is required to
make validation of destination format possible, which must be
conducted for exynos4x12 device as the decoding process will
not succeed if the destination format is set to YUV with
subsampling lower than the one of the source JPEG image.
With this knowledge the driver can adjust the destination format
appropriately.
Change-Id: I6327a5037cf06eb05f10caba6a86f4d00e5c029b
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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