From: Inki Dae <inki.dae@samsung.com>
To: Tomasz Stanislawski <t.stanislaws@samsung.com>
Cc: "Stéphane Marchesin" <marcheu@chromium.org>,
"DRI mailing list" <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
Date: Wed, 19 Feb 2014 20:14:32 +0900 [thread overview]
Message-ID: <CAAQKjZPsJaCPL26fOkqx4jf29+WkbvG8r1XuVYtExs=gyPjWXg@mail.gmail.com> (raw)
In-Reply-To: <52FE2484.2090509@samsung.com>
Hi Tomasz,
2014-02-14 23:13 GMT+09:00 Tomasz Stanislawski <t.stanislaws@samsung.com>:
> Hi Daniel,
> I think that it would be better to change the semantic of phy and ddc
> bindings.
>
> Rather than pointing to I2C client it should point to I2C bus instead.
> The exynos DRM driver can create dummy I2C clients using i2c_new_dummy()
> function.
It seems better way. As of now, all we need for HDMI DDC is
i2c_adapter (including i2c phy), not i2c_client.
>
> There is quite strong rationale for this:
> - DDC is always accessible on fixed addresses described in HDMI specification.
> - HDMIPHY (including I2C address) is a part of HDMI IP and it is bound to
> specific version of Exynos SoC
> - no need to add virtual nodes in DTS
You mean hdmiddc and hdmiphy nodes? If so, I think they are real
nodes, not virtual nodes. Otherwise, plz give me more comments.
Thanks,
Inki Dae
> - NVIDIA already use bindings to DDC bus instead of DDC client. Take a look to
> arch/arm/boot/dts/tegra*.dts
>
> Regards,
> Tomasz Stanislawski
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2014-02-19 11:14 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision Sean Paul
2014-01-30 21:19 ` [PATCH v4 02/34] drm/exynos: Remove useless slab.h include Sean Paul
2014-01-30 21:19 ` [PATCH v4 03/34] drm/exynos: Merge overlay_ops into manager_ops Sean Paul
2014-01-30 21:19 ` [PATCH v4 04/34] drm/exynos: Add an initialize function to manager and display Sean Paul
2014-01-30 21:19 ` [PATCH v4 05/34] drm/exynos: Use manager_op initialize in fimd Sean Paul
2014-01-30 21:19 ` [PATCH v4 06/34] drm/exynos: hdmi: Implement initialize op for hdmi Sean Paul
2014-01-30 21:19 ` [PATCH v4 07/34] drm/exynos: Pass exynos_drm_manager in manager ops instead of dev Sean Paul
2014-01-30 21:19 ` [PATCH v4 08/34] drm/exynos: Remove apply manager callback Sean Paul
2014-01-30 21:19 ` [PATCH v4 09/34] drm/exynos: Remove dpms link between encoder/connector Sean Paul
2014-01-30 21:19 ` [PATCH v4 10/34] drm/exynos: Rename display_op power_on to dpms Sean Paul
2014-01-30 21:19 ` [PATCH v4 11/34] drm/exynos: Don't keep dpms state in encoder Sean Paul
2014-01-30 21:19 ` [PATCH v4 12/34] drm/exynos: Use unsigned long for possible_crtcs Sean Paul
2014-01-30 21:19 ` [PATCH v4 13/34] drm/exynos: Split manager/display/subdrv Sean Paul
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
2014-02-08 2:52 ` Tomasz Figa
2014-02-10 7:30 ` Inki Dae
2014-02-11 14:13 ` Tomasz Figa
2014-02-11 23:02 ` Olof Johansson
2014-02-12 0:44 ` Tomasz Figa
2014-02-14 14:13 ` Tomasz Stanislawski
2014-02-19 11:14 ` Inki Dae [this message]
2014-04-04 14:04 ` Tomasz Stanislawski
2014-02-19 11:43 ` Inki Dae
2014-01-30 21:19 ` [PATCH v4 15/34] ARM: dts: exynos: Add i2c phandles to hdmi node Sean Paul
2014-01-30 21:19 ` [PATCH v4 16/34] drm/exynos: Remove exynos_drm_hdmi shim Sean Paul
2014-01-30 21:19 ` [PATCH v4 17/34] drm/exynos: Use drm_mode_copy to copy modes Sean Paul
2014-01-30 21:19 ` [PATCH v4 18/34] drm/exynos: Disable unused crtc planes from crtc Sean Paul
2014-01-30 21:19 ` [PATCH v4 19/34] drm/exynos: Add mode_set manager operation Sean Paul
2014-01-30 21:19 ` [PATCH v4 20/34] drm/exynos: Implement mode_fixup " Sean Paul
2014-01-30 21:19 ` [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd Sean Paul
2014-02-10 10:36 ` Andrzej Hajda
2014-01-30 21:19 ` [PATCH v4 22/34] drm/exynos: Remove unused/useless fimd_context members Sean Paul
2014-01-30 21:19 ` [PATCH v4 23/34] drm/exynos: Move dp driver from video/ to drm/ Sean Paul
2014-01-30 21:19 ` [PATCH v4 24/34] drm/exynos: Move display implementation into dp Sean Paul
2014-01-30 21:19 ` [PATCH v4 25/34] ARM: dts: Move display-timings node from fimd to dp Sean Paul
2014-01-30 21:19 ` [PATCH v4 26/34] drm/exynos: Implement dpms display callback in DP Sean Paul
2014-01-30 21:19 ` [PATCH v4 27/34] drm/exynos: Clean up FIMD power on/off routines Sean Paul
2014-01-30 21:19 ` [PATCH v4 28/34] drm/exynos: Consolidate suspend/resume in drm_drv Sean Paul
2014-01-30 21:19 ` [PATCH v4 29/34] drm/exynos: Add create_connector callback Sean Paul
2014-01-30 21:19 ` [PATCH v4 30/34] drm/exynos: Implement drm_connector in hdmi directly Sean Paul
2014-01-30 21:19 ` [PATCH v4 31/34] drm/exynos: Implement drm_connector directly in dp driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver Sean Paul
2014-01-30 21:38 ` [PATCH v5 " Sean Paul
2014-01-30 21:19 ` [PATCH v4 33/34] drm/exynos: Move lvds bridge discovery into DP driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 34/34] drm/exynos: Remove the exynos_drm_connector shim Sean Paul
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
2014-02-07 4:13 ` Inki Dae
2014-02-08 2:48 ` Tomasz Figa
2014-02-27 4:43 ` Inki Dae
2014-02-27 13:49 ` Tomasz Figa
2014-02-27 17:09 ` Inki Dae
2014-02-28 2:28 ` Inki Dae
2014-03-04 11:03 ` Andrzej Hajda
2014-03-04 13:57 ` Inki Dae
2014-03-06 15:39 ` Andrzej Hajda
2014-02-07 10:29 ` Tomasz Figa
2014-03-13 7:33 ` Inki Dae
2014-03-13 14:05 ` Tomasz Figa
2014-03-13 15:48 ` Inki Dae
2014-03-13 18:10 ` Tomasz Figa
2014-03-14 11:02 ` Inki Dae
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