[PATCH v3 0/14] Add Analogix Core Display Port Driver
jingoohan1 at gmail.com
Wed Aug 19 22:54:22 PDT 2015
On 2015. 8. 20., at PM 1:29, Archit Taneja <architt at codeaurora.org> wrote:
>> 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
>> 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. ;)
>> - 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 &
>> 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.
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> a Linux Foundation Collaborative Project
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