Hi, Jean-Christophe, Tomi,
Do you have any comments for these patches?
Thanks!
Best Regards,
Alison Wang
> -----Original Message-----
> From: linux-arm-kernel [mailto:linux-arm-kernel-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Alison Wang
> Sent: Thursday, August 15, 2013 4:02 PM
> To: plagnioj@xxxxxxxxxxxx; tomi.valkeinen@xxxxxx; shawn.guo@xxxxxxxxxx;
> Estevam Fabio-R49496; linux-fbdev@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx
> Cc: Jin Zhengxiong-R64188
> Subject: [PATCH v3 0/5] ARM: vf610: Add DCU framebuffer driver for
> Vybrid VF610 platform
>
> This series contain DCU framebuffer driver for Freescale Vybrid VF610
> platform.
>
> 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 tested.
> (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.
>
> Changes in v3:
> - Correct DCU_MODE_BLEND_ITER macro definition.
> - Remove hardcode panel description in the driver. Use the videomode
> helpers to get the relevant data from devicetree.
> - Correct the wrong indentation.
> - Use dev_* for printing messages in drivers.
> - Change calc_div_ratio() to fsl_dcu_calc_div(), and rewrite this
> function.
> - Use devm_request_irq() instead of request_irq().
> - Drop useless code.
> - Increase the layers number to the maximum 6.
> - Use dma_alloc_writecombine() instead of dma_alloc_coherent().
> - Use runtime PM.
>
> Changes in v2:
> - Add a document for DCU framebuffer driver under
> Documentation/devicetree/bindings/fb/.
>
> ----------------------------------------------------------------
> Alison Wang (5):
> ARM: dts: vf610: Add DCU and TCON nodes
> ARM: dts: vf610-twr: Enable DCU and TCON devices
> ARM: clk: vf610: Add DCU and TCON clock support
> fb: Add DCU framebuffer driver for Vybrid VF610 platform
> Documentation: DT: Add DCU framebuffer driver
>
> Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt | 67 +++++
> arch/arm/boot/dts/vf610-twr.dts | 32 +++
> arch/arm/boot/dts/vf610.dtsi | 19 +-
> arch/arm/mach-imx/clk-vf610.c | 5 +
> drivers/video/Kconfig | 10 +
> drivers/video/Makefile | 1 +
> drivers/video/fsl-dcu-fb.c | 1095
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++++++++
> include/dt-bindings/clock/vf610-clock.h | 3 +-
> 8 files changed, 1230 insertions(+), 2 deletions(-) create mode
> 100644 Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt
> create mode 100644 drivers/video/fsl-dcu-fb.c
>
>
>
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