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Date: Thu, 20 Aug 2015 14:54:22 +0900 From: Jingoo Han <jingoohan1@...il.com> To: Archit Taneja <architt@...eaurora.org> Cc: Yakir Yang <ykk@...k-chips.com>, Heiko Stuebner <heiko@...ech.de>, Thierry Reding <treding@...dia.com>, Fabio Estevam <fabio.estevam@...escale.com>, Inki Dae <inki.dae@...sung.com>, "joe@...ches.com" <joe@...ches.com>, Russell King <rmk+kernel@....linux.org.uk>, "seanpaul@...gle.com" <seanpaul@...gle.com>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, Andrzej Hajda <a.hajda@...sung.com>, Gustavo Padovan <gustavo.padovan@...labora.co.uk>, "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>, Vincent Palatin <vpalatin@...omium.org>, "linux-rockchip@...ts.infradead.org" <linux-rockchip@...ts.infradead.org>, Kishon Vijay Abraham I <kishon@...com>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, Pawel Moll <pawel.moll@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, "dianders@...gle.com" <dianders@...gle.com>, Rob Herring <robh+dt@...nel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Kyungmin Park <kyungmin.park@...sung.com>, "djkurtz@...gle.com" <djkurtz@...gle.com>, Kumar Gala <galak@...eaurora.org>, "ajaynumb@...il.com" <ajaynumb@...il.com>, Andy Yan <andy.yan@...k-chips.com>, jingoohan1@...il.com Subject: Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver On 2015. 8. 20., at PM 1:29, Archit Taneja <architt@...eaurora.org> wrote: > > Hi, > >> On 08/19/2015 08:18 PM, Yakir Yang wrote: >> >> Hi all, >> The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller >> share the same IP, so a lot of parts can be re-used. I split the common >> code into bridge directory, then rk3288 and exynos only need to keep >> some platform code. Cause I can't find the exact IP name of exynos dp >> controller, so I decide to name dp core driver with "analogix" which I >> find in rk3288 eDP TRM ;) >> >> Beyond that, there are three light registers setting differents bewteen >> exynos and rk3288. >> 1. RK3288 have five special pll resigters which not indicata in exynos >> dp controller. >> 2. The address of DP_PHY_PD(dp phy power manager register) are different >> between rk3288 and exynos. >> 3. Rk3288 and exynos have different setting with AUX_HW_RETRY_CTL(dp debug >> register). >> >> I have verified this series on two kinds of rockchip platform board, one >> is rk3288 sdk board which connect with a 2K display port monitor, the other >> is google jerry chromebook which connect with a eDP screen "cnm,n116bgeea2", >> both of them works rightlly. >> >> I haven't verified the dp function on samsung platform, cause I haven't got >> exynos boards. I can only ensure that there are no build error on samsung >> platform, wish some samsung guys help to test. ;) >> >> Thanks, >> - Yakir >> >> Changes in v3: >> - Take Thierry Reding suggest, move exynos's video_timing code >> to analogix_dp-exynos platform driver, add get_modes method >> to struct analogix_dp_plat_data. >> - Take Heiko suggest, rename some "samsung*" dts propery to "analogix*". >> - Take Thierry Reding suggest, dynamic parse video timing info from >> struct drm_display_mode and struct drm_display_info. >> - Take Thierry Reding suggest, link_rate and lane_count shouldn't config to >> the DT property value directly, but we can take those as hardware limite. >> For example, RK3288 only support 4 physical lanes of 2.7/1.62 Gbps/lane, >> so DT property would like "link-rate = 0x0a" "lane-count = 4". >> - Take Heiko suggest, add devicetree binding documents. >> - Take Thierry Reding suggest, remove sync pol & colorimetry properies >> from the new analogix dp driver devicetree binding. >> - Update the exist exynos dtsi file with the latest DP DT properies. >> - Take Thierry Reding and Heiko suggest, leave "sclk_edp_24m" to rockchip >> dp phy driver which name to "24m", and leave "sclk_edp" to analogix dp >> core driver which name to "dp", and leave "pclk_edp" to rockchip dp platform >> driver which name to "pclk". >> - Take Heiko suggest, add devicetree binding document. >> - Take Heiko suggest, remove "rockchip,panel" DT property, take use of remote >> point to get panel node. >> - Add the new function point analogix_dp_platdata.get_modes init. >> - Take Heiko suggest, add rockchip dp phy driver, >> collect the phy clocks and power control. >> - Add "analogix,need-force-hpd" to indicate whether driver need foce >> hpd when hpd detect failed. >> - move dp hpd detect to connector detect function. >> - Add edid modes parse support >> >> Changes in v2: >> - Take Joe Preches advise, improved commit message more readable, and >> avoid using some uncommon style like bellow: >> - retval = exynos_dp_read_bytes_from_i2c(... >> ...) >> + retval = >> + exynos_dp_read_bytes_from_i2c(......); >> - Take Jingoo Han suggest, just remove my name from author list. >> - Take Jingoo Han suggest, remove new copyright >> - Fix compiled failed dut to analogix_dp_device misspell >> - Take Heiko suggest, get panel node with remote-endpoint method, >> and create devicetree binding for driver. >> - Remove the clock enable/disbale with "sclk_edp" & "sclk_edp_24m", >> leave those clock to rockchip dp phy driver. >> - Add GNU license v2 declared and samsung copyright >> - Fix compile failed dut to phy_pd_addr variable misspell error >> >> Yakir Yang (14): >> drm: exynos/dp: fix code style >> drm: exynos/dp: convert to drm bridge mode >> drm: bridge: analogix_dp: split exynos dp driver to bridge dir >> drm: bridge/analogix_dp: dynamic parse sync_pol & interlace & >> colorimetry >> drm: bridge/analogix_dp: fix link_rate & lane_count bug >> Documentation: drm/bridge: add document for analogix_dp >> drm: rockchip/dp: add rockchip platform dp driver >> phy: Add driver for rockchip Display Port PHY >> drm: bridge/analogix_dp: add platform device type support >> drm: bridge: analogix_dp: add some rk3288 special registers setting >> drm: bridge: analogix_dp: try force hpd after plug in lookup failed >> drm: bridge/analogix_dp: expand the delay time for hpd detect >> drm: bridge/analogix_dp: move hpd detect to connector detect function >> drm: bridge/analogix_dp: add edid modes parse in get_modes method >> >> .../devicetree/bindings/drm/bridge/analogix_dp.txt | 73 + >> .../devicetree/bindings/phy/rockchip-dp-phy.txt | 26 + >> .../bindings/video/analogix_dp-rockchip.txt | 83 ++ >> .../devicetree/bindings/video/exynos_dp.txt | 51 +- >> arch/arm/boot/dts/exynos5250-arndale.dts | 10 +- >> arch/arm/boot/dts/exynos5250-smdk5250.dts | 10 +- >> arch/arm/boot/dts/exynos5250-snow.dts | 12 +- >> arch/arm/boot/dts/exynos5250-spring.dts | 12 +- >> arch/arm/boot/dts/exynos5420-peach-pit.dts | 12 +- >> arch/arm/boot/dts/exynos5420-smdk5420.dts | 10 +- >> arch/arm/boot/dts/exynos5800-peach-pi.dts | 12 +- >> drivers/gpu/drm/bridge/Kconfig | 5 + >> drivers/gpu/drm/bridge/Makefile | 1 + >> drivers/gpu/drm/bridge/analogix_dp_core.c | 1382 +++++++++++++++++++ >> drivers/gpu/drm/bridge/analogix_dp_core.h | 286 ++++ >> drivers/gpu/drm/bridge/analogix_dp_reg.c | 1294 ++++++++++++++++++ >> .../exynos_dp_reg.h => bridge/analogix_dp_reg.h} | 270 ++-- >> drivers/gpu/drm/exynos/Kconfig | 5 +- >> drivers/gpu/drm/exynos/Makefile | 2 +- >> drivers/gpu/drm/exynos/analogix_dp-exynos.c | 347 +++++ >> drivers/gpu/drm/exynos/exynos_dp_core.c | 1416 -------------------- >> drivers/gpu/drm/exynos/exynos_dp_core.h | 282 ---- >> drivers/gpu/drm/exynos/exynos_dp_reg.c | 1263 ----------------- >> drivers/gpu/drm/rockchip/Kconfig | 9 + >> drivers/gpu/drm/rockchip/Makefile | 1 + >> drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 390 ++++++ >> drivers/phy/Kconfig | 7 + >> drivers/phy/Makefile | 1 + >> drivers/phy/phy-rockchip-dp.c | 185 +++ >> include/drm/bridge/analogix_dp.h | 40 + >> 30 files changed, 4325 insertions(+), 3172 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/drm/bridge/analogix_dp.txt >> create mode 100644 Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt >> create mode 100644 Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt >> create mode 100644 drivers/gpu/drm/bridge/analogix_dp_core.c >> create mode 100644 drivers/gpu/drm/bridge/analogix_dp_core.h >> create mode 100644 drivers/gpu/drm/bridge/analogix_dp_reg.c > > Minor comment: Since there are a few files required for the driver, > could you create a separate folder within drivers/gpu/drm/bridge? I agree on this opinion. Thank you. Best regards, Jingoo Han > Thanks, > Archit > > -- > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, > a Linux Foundation Collaborative Project -- 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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