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Groups > linux.kernel > #1219332
| From | Heiko Stuebner <heiko@sntech.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir |
| Date | 2015-09-04 23:40 +0200 |
| Message-ID | <q56Se-5Mb-5@gated-at.bofh.it> (permalink) |
| References | <q3MCf-5Sy-11@gated-at.bofh.it> <q40Fc-FI-13@gated-at.bofh.it> <q56pc-5eU-31@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Am Freitag, 4. September 2015, 16:06:02 schrieb Rob Herring:
> On Tue, Sep 1, 2015 at 3:46 PM, Heiko Stuebner <heiko@sntech.de> wrote:
> > Am Dienstag, 1. September 2015, 13:49:58 schrieb Yakir Yang:
> >> Split the dp core driver from exynos directory to bridge
> >> directory, and rename the core driver to analogix_dp_*,
> >> leave the platform code to analogix_dp-exynos.
> >>
> >> Signed-off-by: Yakir Yang <ykk@rock-chips.com>
> >
> > [...]
> >
> >> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c
> >> b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c similarity index 50%
> >> rename from drivers/gpu/drm/exynos/exynos_dp_core.c
> >> rename to drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> >> index bed0252..7d62f22 100644
> >> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
> >> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> >
> > [...]
> >
> >> connector->polled = DRM_CONNECTOR_POLL_HPD;
> >>
> >> ret = drm_connector_init(dp->drm_dev, connector,
> >>
> >> - &exynos_dp_connector_funcs,
> >> + &analogix_dp_connector_funcs,
> >>
> >> DRM_MODE_CONNECTOR_eDP);
> >>
> >> if (ret) {
> >>
> >> DRM_ERROR("Failed to initialize connector with drm\n");
> >> return ret;
> >>
> >> }
> >>
> >> - drm_connector_helper_add(connector,
> >> &exynos_dp_connector_helper_funcs); +
> >> drm_connector_helper_add(connector,
> >> + &analogix_dp_connector_helper_funcs);
> >>
> >> drm_connector_register(connector);
> >
> > this should only run on exynos, as we're doing all our connector
> > registration in the core driver after all components are bound, so I
> > guess something like>
> > the following is needed:
> > if (dp->plat_data && dp->plat_data->dev_type == EXYNOS_DP)
> >
> > drm_connector_register(connector);
>
> Yuck!
>
> Surely there is a better way. From what I've seen of DRM, I have no
> doubt this is needed, but really a better solution is needed. Surely
> there can be a more generic way for the driver to determine if it
> should handle the connector or not. This seems like a common problem
> including one I have seen. What I'm working on has onchip DSI encoder
> -> ADV7533 -> HDMI. The DSI encoder can also have a direct attached
> panel. So I have to check for a bridge in the encoder driver and only
> register the connector for the panel if a bridge is not attached.
I'm also only a part-time drm meddler, so things may be inaccurate.
This conditional is not meant to prevent the registration of the dp connector,
only delay it for non-exynos drms. The connector registration does publish it
to userspace, so like i.MX we're doing that for all connectors at the same
time after all components are bound - to also make x11 happy. Exynos on the
other hand seems to register its connectors individually and I'm not sure if
they would be willing to change that.
see d3007dabeff4 ("drm/rockchip: register all connectors after bind") or
simply rockchip_drm_drv.c line 178.
and e355e7dd607b ("imx-drm: delay publishing sysfs connector entries")
Heiko
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[PATCH v4 0/16] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-09-01 07:50 +0200
[PATCH v4 01/16] drm: exynos/dp: fix code style Yakir Yang <ykk@rock-chips.com> - 2015-09-01 07:50 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-03 02:30 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-03 07:10 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Yakir Yang <ykk@rock-chips.com> - 2015-09-03 07:40 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Joe Perches <joe@perches.com> - 2015-09-03 08:00 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Yakir Yang <ykk@rock-chips.com> - 2015-09-06 03:40 +0200
Re: [PATCH v4 01/16] drm: exynos/dp: fix code style Yakir Yang <ykk@rock-chips.com> - 2015-09-03 07:10 +0200
[PATCH v4 04/16] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:00 +0200
[PATCH v4 05/16] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & colorimetry Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:00 +0200
Re: [PATCH v4 05/16] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & colorimetry Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-03 10:10 +0200
Re: [PATCH v4 05/16] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & colorimetry Yakir Yang <ykk@rock-chips.com> - 2015-09-06 04:10 +0200
[PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
Re: [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-04 02:40 +0200
Re: [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Yakir Yang <ykk@rock-chips.com> - 2015-09-06 06:10 +0200
Re: [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-07 02:00 +0200
Re: [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Yakir Yang <ykk@rock-chips.com> - 2015-09-07 03:50 +0200
[PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
Re: [PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Heiko Stuebner <heiko@sntech.de> - 2015-09-01 16:30 +0200
Re: [PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Yakir Yang <ykk@rock-chips.com> - 2015-09-01 16:50 +0200
Re: [PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Heiko Stuebner <heiko@sntech.de> - 2015-09-01 23:10 +0200
Re: [PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Yakir Yang <ykk@rock-chips.com> - 2015-09-02 04:00 +0200
[PATCH v4 06/16] Documentation: drm/bridge: add document for analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
[PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Heiko Stuebner <heiko@sntech.de> - 2015-09-01 23:10 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Yakir Yang <ykk@rock-chips.com> - 2015-09-02 04:10 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Thierry Reding <treding@nvidia.com> - 2015-09-02 10:40 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Yakir Yang <ykk@rock-chips.com> - 2015-09-02 12:10 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Thierry Reding <treding@nvidia.com> - 2015-09-03 10:40 +0200
Re: [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Yakir Yang <ykk@rock-chips.com> - 2015-09-06 04:10 +0200
[PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Heiko Stuebner <heiko@sntech.de> - 2015-09-01 19:00 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Heiko Stuebner <heiko@sntech.de> - 2015-09-01 23:00 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-09-02 03:50 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-09-02 03:10 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Rob Herring <robherring2@gmail.com> - 2015-09-02 15:30 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-09-03 05:30 +0200
Re: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Heiko Stuebner <heiko@sntech.de> - 2015-09-03 16:00 +0200
[PATCH v4 07/16] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:10 +0200
Re: [PATCH v4 07/16] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-03 02:10 +0200
[PATCH v4 15/16] drm: bridge: analogix/dp: move hpd detect to connector detect function Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:20 +0200
[PATCH v4 12/16] drm: bridge: analogix/dp: add some rk3288 special registers setting Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:20 +0200
[PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:20 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Rob Herring <robherring2@gmail.com> - 2015-09-02 22:20 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang <ykk@rock-chips.com> - 2015-09-03 06:30 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Thierry Reding <treding@nvidia.com> - 2015-09-03 11:10 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-04 12:30 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Thierry Reding <treding@nvidia.com> - 2015-09-07 10:30 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Rob Herring <robherring2@gmail.com> - 2015-09-04 23:50 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang <ykk@rock-chips.com> - 2015-09-06 10:30 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Thierry Reding <treding@nvidia.com> - 2015-09-07 10:40 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Thierry Reding <treding@nvidia.com> - 2015-09-03 10:50 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Rob Herring <robherring2@gmail.com> - 2015-09-04 00:00 +0200
Re: [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Thierry Reding <treding@nvidia.com> - 2015-09-04 12:10 +0200
[PATCH v4 13/16] drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288 Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:20 +0200
[PATCH v4 16/16] drm: bridge: analogix/dp: add edid modes parse in get_modes method Yakir Yang <ykk@rock-chips.com> - 2015-09-01 08:30 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Heiko Stuebner <heiko@sntech.de> - 2015-09-01 22:50 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Yakir Yang <ykk@rock-chips.com> - 2015-09-02 03:50 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Rob Herring <robherring2@gmail.com> - 2015-09-04 23:10 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Heiko Stuebner <heiko@sntech.de> - 2015-09-04 23:40 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Thierry Reding <treding@nvidia.com> - 2015-09-07 10:20 +0200
Re: [PATCH v4 0/16] Add Analogix Core Display Port Driver Heiko Stuebner <heiko@sntech.de> - 2015-09-02 00:20 +0200
Re: [PATCH v4 0/16] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-09-02 04:20 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Emil Velikov <emil.l.velikov@gmail.com> - 2015-09-02 17:00 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Yakir Yang <ykk@rock-chips.com> - 2015-09-03 06:00 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-03 03:00 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Yakir Yang <ykk@rock-chips.com> - 2015-09-03 07:40 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-04 02:50 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Yakir Yang <ykk@rock-chips.com> - 2015-09-06 10:00 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-09-07 02:30 +0200
Re: [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Yakir Yang <ykk@rock-chips.com> - 2015-09-07 04:30 +0200
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