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Since the channel MEM_VDI_MEM doesn't use the PRP_VF task, this
patch removes the code to initialize the PRP_VF task for the
channel MEM_VDI_MEM. This change may fix the issue caused by
the unnesessary PRP_VF task output resolution limitation check.
The issue can be reproduced by the following unit test case:
mxc_vpu_test.out -D "-f 2 -y 2 -v m -i
1080i_shields1088i2997_shields_ter_4x300_15fps_track1.h264"
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
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The IPUv3 IDMAC has a bug to read 32bpp pixels from a
graphics plane whose alpha component is at the most
significant 8 bits. The bug only impacts on cases in which
the relevant separate alpha channel is enabled.
This patch adds check for the errata so that the bad
cases won't be triggered.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
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When the ipu pixel clocks are initialized, the default pixel clock rate
will be calucated according to the present ipu register setting which
is likely set by a bootloader.
But these registers will be reset by the ipu reset function.
If the default pixel clock rate is the same to what is requested later,
the clk_set_rate function will treat this case as pixel clock unchanged.
Move the pixel clock setup function after the ipu reset function to
resolve this issue
Signed-off-by: Sandor Yu <R01008@freescale.com>
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Add request_bus_freq() and release_bus_freq() calls to the
various drivers to ensure that the DDR and AHB are the requested
frequency before the driver starts its task.
Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>
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This is a fast-forward porting of ipuv3 driver from 3.5.7 kernel to
kernel 3.10. The change set is kept as minimum as possible with only
making necessary code changes to adapt 3.10 kernel internal API and
framework updates. Everything else should be same as 3.5.7 one. The
change set consists of the following.
* Remove unused Kconfig options MXC_IPU_V3D, MXC_IPU_V3EX and
MXC_IPU_V3H
* Comment out busfreq calls
* Move ipu-v3.h into include/linux/, and remove all <mach/*> includes
* Drop __devinit and __devexit
* Remove assignment of pltfm_data->pg = imx6q_ipu_pg;
* Use generic device_reset() API rather than ipu_pltfm_data->init()
hook to reset IPU
* Includes <linux/sched/rt.h> ipu_device.c to fix undeclared
MAX_USER_RT_PRIO error
* Change compatible string to "fsl,imx6q-ipu" to align with community
kernel
* Define irq_sync before irq_err in DTS to align with community kernel
* Drop "ipu1_" and "ipu2_" from clock names to save the handling of the
second parameter of devm_clk_get()
* Remove the buggy csi_clk setup in ipu_clk_setup_enable() and validate
the clock before operate on it in ipu_csi_enable_mclk()
* Replace iram API (linux/iram_alloc.h) with generic memory pool API
(linux/genalloc.h) in VDOA driver
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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