| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <5493D7CF.1020304@freescale.com> Date: Fri, 19 Dec 2014 15:46:23 +0800 From: Liu Ying <Ying.Liu@...escale.com> To: Andy Yan <andyshrk@....com> CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>, <linux@....linux.org.uk>, <kernel@...gutronix.de>, <linux-kernel@...r.kernel.org>, <mturquette@...aro.org>, <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH RFC v2 00/14] Add support for i.MX MIPI DSI DRM driver Hi Andy, On 12/19/2014 02:33 PM, Andy Yan wrote: > Hi Liu Ying: > > I foud Rockchip RK618 (a mfd function device with mipi dsi，lvds > transmitter、HDMI TX、and audio codec，and > controlled by the SOC from i2c ) have the same register layout with your > i.MX MIPI DSI，which means RK618 MIPI > DSI also have the Synopsys compatible DSI IP。So Would you please make > this drives more platform independent？ > I may try to place the Synopsys DesignWare MIPI DSI driver in the drm/bridge directory and make it as less platform-dependant as possible. I have no access to the Rockchip RK618 chip and it's reference menu. You probably may add the Rockchip part support later. Regards, Liu Ying > > > > At 2014-12-18 15:11:22, "Liu Ying" <Ying.Liu@...escale.com> wrote: >>Hi, >> >>This series addressed almost all comments from Thierry Redding and Russell >>on v1. >> >>This series adds support for i.MX MIPI DSI DRM driver. >>Currently, the MIPI DSI driver only supports 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 01/15 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 (14): >> 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: 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 >> drm: imx: Add MIPI DSI host controller 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/imx/mipi_dsi.txt | 78 ++ >> .../devicetree/bindings/panel/himax,hx8369a.txt | 41 + >> .../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 | 30 +- >> arch/arm/configs/imx_v6_v7_defconfig | 17 +- >> arch/arm/mach-imx/clk-imx6q.c | 1 + >> drivers/clk/clk-divider.c | 3 +- >> drivers/gpu/drm/imx/Kconfig | 6 + >> drivers/gpu/drm/imx/Makefile | 1 + >> drivers/gpu/drm/imx/imx-mipi-dsi.c | 1056 ++++++++++++++++++++ >> drivers/gpu/drm/panel/Kconfig | 5 + >> drivers/gpu/drm/panel/Makefile | 1 + >> drivers/gpu/drm/panel/panel-himax-hx8369a.c | 573 +++++++++++ >> include/drm/drm_mipi_dsi.h | 14 + >> include/dt-bindings/clock/imx6qdl-clock.h | 3 +- >> include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 1 + >> 18 files changed, 1844 insertions(+), 28 deletions(-) >> 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/imx/imx-mipi-dsi.c >> create mode 100644 drivers/gpu/drm/panel/panel-himax-hx8369a.c >> >>-- >>2.1.0 >> >>_______________________________________________ >>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/
Powered by blists - more mailing lists