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For pixel clock is not disable when suspend, deep sleep stops
working. Disable pixel clock when suspend and enable when resume.
Signed-off-by: Jianwei Wang <b52261@freescale.com>
Change-Id: Icb9b04afa4fefbf6be70160faddf34fc81639321
Reviewed-on: http://git.am.freescale.net:8181/31997
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Yao Yuan <yao.yuan@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
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Add PM support for DCU driver using callback function suspend
and resume in .driver.pm of platform_driver.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
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The first DRM version will be send out to the community
before 15 Dec 2014.
Change-Id: I959eec05d100f212d5d61faaf114fe99618fae19
Reviewed-on: http://git.am.freescale.net:8181/21572
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Dongsheng Wang <dongsheng.wang@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
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The regmap framework has one feature of register cache, which
will be more easy to add big endian mode and PM support.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
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The first DRM version will be send out to the community
before 15 Dec 2014.
Change-Id: I3aa3c30f4ab42b64b80669b483b45a62ae31d6bb
Reviewed-on: http://git.am.freescale.net:8181/21571
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Dongsheng Wang <dongsheng.wang@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
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The Display Controller Unit (DCU) module is a system master that
fetches graphics stored in internal or external memory and displays
them on a TFT LCD panel. A wide range of panel sizes is supported
and the timing of the interface signals is highly configurable.
Graphics are read directly from memory and then blended in real-time,
which allows for dynamic content creation with minimal CPU intervention.
The features:
(1) Full RGB888 output to TFT LCD panel.
(2) For the current LCD panel, WQVGA "480x272" is supported.
(3) Blending of each pixel using up to 4 source layers dependent on
size of panel.
(4) Each graphic layer can be placed with one pixel resolution in
either axis.
(5) Each graphic layer support RGB565 and RGB888 direct colors without
alpha channel and BGRA8888 direct colors with an alpha channel.
(6) Each graphic layer support alpha blending with 8-bit resolution.
Signed-off-by: Alison Wang <b18965@freescale.com>
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
The maintainer and many other people all have strong opinions to
add DCU driver based the DRM framework.
The mails URL:
http://lists.infradead.org/pipermail/linux-arm-kernel/2013-September/197863.html
The first DRM version of DCU will be send out to the community
before 30 November 2014.
Change-Id: I9feb7c9b975431a1bb3906eb955dcf6ae09654eb
Reviewed-on: http://git.am.freescale.net:8181/19647
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Chao Fu <B44548@freescale.com>
Reviewed-by: Huan Wang <alison.wang@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
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