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Message-ID: <55D557BD.8070004@codeaurora.org> Date: Thu, 20 Aug 2015 09:59:49 +0530 From: Archit Taneja <architt@...eaurora.org> To: Yakir Yang <ykk@...k-chips.com>, Heiko Stuebner <heiko@...ech.de>, Thierry Reding <treding@...dia.com>, Jingoo Han <jingoohan1@...il.com>, Fabio Estevam <fabio.estevam@...escale.com>, Inki Dae <inki.dae@...sung.com>, joe@...ches.com, Russell King <rmk+kernel@....linux.org.uk> CC: seanpaul@...gle.com, dri-devel@...ts.freedesktop.org, Andrzej Hajda <a.hajda@...sung.com>, Gustavo Padovan <gustavo.padovan@...labora.co.uk>, linux-samsung-soc@...r.kernel.org, Vincent Palatin <vpalatin@...omium.org>, linux-rockchip@...ts.infradead.org, Kishon Vijay Abraham I <kishon@...com>, devicetree@...r.kernel.org, Pawel Moll <pawel.moll@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, dianders@...gle.com, Rob Herring <robh+dt@...nel.org>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Kyungmin Park <kyungmin.park@...sung.com>, djkurtz@...gle.com, Kumar Gala <galak@...eaurora.org>, ajaynumb@...il.com, Andy Yan <andy.yan@...k-chips.com> Subject: Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver 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? 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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