From: Andy Yan <andy.yan@rock-chips.com> To: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: airlied@linux.ie, heiko@sntech.de, fabio.estevam@freescale.com, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Grant Likely <grant.likely@linaro.org>, Rob Herring <robh+dt@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>, Shawn Guo <shawn.guo@linaro.org>, Josh Boyer <jwboyer@redhat.com>, Sean Paul <seanpaul@chromium.org>, Inki Dae <inki.dae@samsung.com>, Dave Airlie <airlied@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Lucas Stach <l.stach@pengutronix.de>, Zubair.Kakakhel@imgtec.com, djkurtz@google.com, ykk@rock-chips.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH 0/2] make imx hdmi publicly used by dw hdmi compatible platform Date: Wed, 05 Nov 2014 10:12:13 +0800 [thread overview] Message-ID: <5459877D.2080606@rock-chips.com> (raw) In-Reply-To: <20141104142908.GG4042@n2100.arm.linux.org.uk> On 2014年11月04日 22:29, Russell King - ARM Linux wrote: > On Tue, Nov 04, 2014 at 09:33:10PM +0800, Andy Yan wrote: >> From: Andy yan <andy.yan@rock-chips.com> >> >> We found freescale imx6 and rockchip rk3288 and Ingenic JZ4780 (Xburst/MIPS) >> use the interface compatible Designware HDMI IP, but they also have some >> lightly difference, such as phy pll configuration, register width(imx hdmi >> register is one byte, but rk3288 is 4 bytes width and can only access by word), >> 4K support(imx6 doesn't support 4k, but rk3288 does). >> >> To reuse the imx-hdmi driver, we do this patch set: >> patch (1): split out imx-soc code from imx-hdmi to dw_hdmi-imx.c >> patch (2): move imx-hdmi to bridge/, and rename to dw-hdmi to >> make this driver indepent of drm-imx . And we will add rockchip >> platform specific code dw_hdmi-rockchip.c later, this is depend >> on drm-rockchip. > Great - I fully agree that this needs to be renamed as it is a Designware > IP. > > Should it be moved into bridge/ ? It isn't implemented as a DRM bridge > driver at present, so this seems illogical. Is the longer term plan to > convert it to be a DRM bridge? We have plan to convert it to DRM bridge. > > Secondly, if you want HDMI audio support, you may find the patches I > maintain for the SolidRun devices useful, which add this as a standard > ALSA device. I also have CEC support for it as well. If you're > interested, I'll email those. > It's very great if you email those, we are also working on audio and CEC.
WARNING: multiple messages have this Message-ID (diff)
From: Andy Yan <andy.yan@rock-chips.com> To: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: heiko@sntech.de, airlied@linux.ie, dri-devel@lists.freedesktop.org, ykk@rock-chips.com, devel@driverdev.osuosl.org, linux-rockchip@lists.infradead.org, Grant Likely <grant.likely@linaro.org>, Dave Airlie <airlied@redhat.com>, devicetree@vger.kernel.org, Zubair.Kakakhel@imgtec.com, Arnd Bergmann <arnd@arndb.de>, Inki Dae <inki.dae@samsung.com>, Rob Herring <robh+dt@kernel.org>, Sean Paul <seanpaul@chromium.org>, fabio.estevam@freescale.com, Josh Boyer <jwboyer@redhat.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-kernel@vger.kernel.org, djkurtz@google.com, Philipp Zabel <p.zabel@pengutronix.de>, Shawn Guo <shawn.guo@linaro.org>, Lucas Stach <l.stach@pengutronix.de> Subject: Re: [PATCH 0/2] make imx hdmi publicly used by dw hdmi compatible platform Date: Wed, 05 Nov 2014 10:12:13 +0800 [thread overview] Message-ID: <5459877D.2080606@rock-chips.com> (raw) In-Reply-To: <20141104142908.GG4042@n2100.arm.linux.org.uk> On 2014年11月04日 22:29, Russell King - ARM Linux wrote: > On Tue, Nov 04, 2014 at 09:33:10PM +0800, Andy Yan wrote: >> From: Andy yan <andy.yan@rock-chips.com> >> >> We found freescale imx6 and rockchip rk3288 and Ingenic JZ4780 (Xburst/MIPS) >> use the interface compatible Designware HDMI IP, but they also have some >> lightly difference, such as phy pll configuration, register width(imx hdmi >> register is one byte, but rk3288 is 4 bytes width and can only access by word), >> 4K support(imx6 doesn't support 4k, but rk3288 does). >> >> To reuse the imx-hdmi driver, we do this patch set: >> patch (1): split out imx-soc code from imx-hdmi to dw_hdmi-imx.c >> patch (2): move imx-hdmi to bridge/, and rename to dw-hdmi to >> make this driver indepent of drm-imx . And we will add rockchip >> platform specific code dw_hdmi-rockchip.c later, this is depend >> on drm-rockchip. > Great - I fully agree that this needs to be renamed as it is a Designware > IP. > > Should it be moved into bridge/ ? It isn't implemented as a DRM bridge > driver at present, so this seems illogical. Is the longer term plan to > convert it to be a DRM bridge? We have plan to convert it to DRM bridge. > > Secondly, if you want HDMI audio support, you may find the patches I > maintain for the SolidRun devices useful, which add this as a standard > ALSA device. I also have CEC support for it as well. If you're > interested, I'll email those. > It's very great if you email those, we are also working on audio and CEC. _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
next prev parent reply other threads:[~2014-11-05 2:12 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-04 13:33 [PATCH 0/2] make imx hdmi publicly used by dw hdmi compatible platform Andy Yan 2014-11-04 13:33 ` Andy Yan 2014-11-04 13:33 ` [PATCH 1/2] imx-drm: imx-hdmi: split imx soc specific code from imx-hdmi Andy Yan 2014-11-04 13:33 ` Andy Yan 2014-11-04 14:23 ` Zubair Lutfullah Kakakhel 2014-11-04 14:23 ` Zubair Lutfullah Kakakhel 2014-11-04 14:29 ` [PATCH 0/2] make imx hdmi publicly used by dw hdmi compatible platform Russell King - ARM Linux 2014-11-04 14:29 ` Russell King - ARM Linux 2014-11-05 2:12 ` Andy Yan [this message] 2014-11-05 2:12 ` Andy Yan 2014-11-06 9:35 ` Kuankuan.Yang 2014-11-06 9:35 ` Kuankuan.Yang 2014-11-06 10:18 ` Russell King - ARM Linux 2014-11-06 10:18 ` Russell King - ARM Linux
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