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Message-ID: <20150202053438.GA21302@victor> Date: Mon, 2 Feb 2015 13:34:40 +0800 From: Liu Ying <Ying.Liu@...escale.com> To: <dri-devel@...ts.freedesktop.org> CC: <stefan.wahren@...e.com>, <devicetree@...r.kernel.org>, <linux@....linux.org.uk>, <andyshrk@...il.com>, <linux-kernel@...r.kernel.org>, <p.zabel@...gutronix.de>, <a.hajda@...sung.com>, <kernel@...gutronix.de>, <mturquette@...aro.org>, <linux-arm-kernel@...ts.infradead.org>, <thierry.reding@...il.com> Subject: Re: [PATCH RFC v8 00/21] Add support for i.MX MIPI DSI DRM driver Correct Philipp's email address in the Cc list. Liu Ying On Mon, Feb 02, 2015 at 10:17:45AM +0800, Liu Ying wrote: > Hi, > > This version has been submitted for a while. > And, it looks there is no comments on this version. > Can the maintainers consider to take this? > > Mike, any comments on patch 01/21? It's a clock driver change. > > Regards, > Liu Ying > > On Wed, Dec 31, 2014 at 04:23:18PM +0800, Liu Ying wrote: > > Hi, > > > > This version mainly fixes the Kconfig for the Synopsys DesignWare MIPI DSI > > host controller bridge driver so that we may pass the allmodconfig for ARM. > > Also, this version contains a minor change for the Himax HX8369A panel > > driver to remove several unnecessary headers included. > > > > The i.MX MIPI DSI is a Synopsys DesignWare MIPI DSI host controller IP. > > This series adds support for a Synopsys DesignWare MIPI DSI host controller > > DRM bridge driver and a i.MX MIPI DSI specific DRM driver. > > Currently, the MIPI DSI drivers only support the burst with sync pulse mode. > > > > This series also includes a DRM panel driver for the Truly TFT480800-16-E panel > > which is driven by the Himax HX8369A driver IC. The driver IC data sheet could > > be found at [1]. As mentioned by the data sheet, the driver IC supports several > > interface modes. Currently, the DRM panel driver only supports the MIPI DSI video > > mode. New interface modes could be added later(perhaps, just like the way the DRM > > simple panel driver supports both MIPI DSI interface panels and simple(parallel) > > interface panels). > > > > The MIPI DSI feature is tested on i.MX6Q SabreSD board and i.MX6DL SabreSD board. > > The MIPI DSI display could be enabled directly on i.MX6Q SabreSD board after > > applying this series, because the 26.4MHz pixel clock the panel requires could be > > derived from the IPU HSP clock(264MHz) with an integer divider. > > On i.MX6DL SabreSD board, we need to manually disable the LVDS and HDMI displays in > > the device tree blob, since the i.MX6DL IPU HSP clock is 198MHz at present, which > > makes the pixel clock share the PLL5 video clock source with the LVDS and HDMI, > > thus, the panel cannot get the pixel clock rate it wants. > > > > Patch 01/21 is needed to get a precise pixel clock rate(26.4MHz) from the PLL5 video > > clock. If we don't have this patch, the pixel clock rate is about 20MHz, which > > causes a horitonal shift on the display image. > > > > This series can be applied on the drm-next branch. > > > > [1] http://www.allshore.com/pdf/Himax_HX8369-A.pdf > > > > Liu Ying (21): > > clk: divider: Correct parent clk round rate if no bestdiv is normally > > found > > of: Add vendor prefix for Himax Technologies Inc. > > of: Add vendor prefix for Truly Semiconductors Limited > > ARM: imx6q: Add GPR3 MIPI muxing control register field shift bits > > definition > > ARM: imx6q: clk: Add the video_27m clock > > ARM: imx6q: clk: Change hdmi_isfr clock's parent to be video_27m clock > > ARM: imx6q: clk: Change hsi_tx clock to be a shared clock gate > > ARM: imx6q: clk: Add support for mipi_core_cfg clock as a shared clock > > gate > > ARM: dts: imx6qdl: Move existing MIPI DSI ports into a new 'ports' > > node > > drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format > > Documentation: dt-bindings: Add bindings for Synopsys DW MIPI DSI DRM > > bridge driver > > drm/bridge: Add Synopsys DesignWare MIPI DSI host controller driver > > Documentation: dt-bindings: Add bindings for i.MX specific Synopsys DW > > MIPI DSI driver > > drm: imx: Support Synopsys DesignWare MIPI DSI host controller > > Documentation: dt-bindings: Add bindings for Himax HX8369A DRM panel > > driver > > drm: panel: Add support for Himax HX8369A MIPI DSI panel > > ARM: dtsi: imx6qdl: Add support for MIPI DSI host controller > > ARM: dts: imx6qdl-sabresd: Add support for TRULY TFT480800-16-E MIPI > > DSI panel > > ARM: imx_v6_v7_defconfig: Cleanup for imx drm being moved out of > > staging > > ARM: imx_v6_v7_defconfig: Add support for MIPI DSI host controller > > ARM: imx_v6_v7_defconfig: Add support for Himax HX8369A panel > > > > .../devicetree/bindings/drm/bridge/dw_mipi_dsi.txt | 73 ++ > > .../devicetree/bindings/drm/imx/mipi_dsi.txt | 78 ++ > > .../devicetree/bindings/panel/himax,hx8369a.txt | 39 + > > .../devicetree/bindings/vendor-prefixes.txt | 2 + > > arch/arm/boot/dts/imx6q.dtsi | 20 +- > > arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 20 + > > arch/arm/boot/dts/imx6qdl.dtsi | 29 +- > > arch/arm/configs/imx_v6_v7_defconfig | 17 +- > > arch/arm/mach-imx/clk-imx6q.c | 7 +- > > drivers/clk/clk-divider.c | 3 +- > > drivers/gpu/drm/bridge/Kconfig | 10 + > > drivers/gpu/drm/bridge/Makefile | 1 + > > drivers/gpu/drm/bridge/dw_mipi_dsi.c | 996 +++++++++++++++++++++ > > drivers/gpu/drm/imx/Kconfig | 7 + > > drivers/gpu/drm/imx/Makefile | 1 + > > drivers/gpu/drm/imx/dw_mipi_dsi-imx.c | 230 +++++ > > drivers/gpu/drm/panel/Kconfig | 5 + > > drivers/gpu/drm/panel/Makefile | 1 + > > drivers/gpu/drm/panel/panel-himax-hx8369a.c | 610 +++++++++++++ > > include/drm/bridge/dw_mipi_dsi.h | 27 + > > include/drm/drm_mipi_dsi.h | 14 + > > include/dt-bindings/clock/imx6qdl-clock.h | 4 +- > > include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 1 + > > 23 files changed, 2165 insertions(+), 30 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt > > create mode 100644 Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt > > create mode 100644 Documentation/devicetree/bindings/panel/himax,hx8369a.txt > > create mode 100644 drivers/gpu/drm/bridge/dw_mipi_dsi.c > > create mode 100644 drivers/gpu/drm/imx/dw_mipi_dsi-imx.c > > create mode 100644 drivers/gpu/drm/panel/panel-himax-hx8369a.c > > create mode 100644 include/drm/bridge/dw_mipi_dsi.h > > > > -- > > 2.1.0 > > > > _______________________________________________ > > dri-devel mailing list > > dri-devel@...ts.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ > dri-devel mailing list > dri-devel@...ts.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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