>
>
> Hi,
>
> Am Dienstag, 7. Januar 2025, 15:42:56 CET schrieb Sandor Yu:
> > Hi Alexander
> >
> > It may cause by the first preferred mode in EDID is not supported by driver.
> > Please use modetest or other user application to change the video mode to
&g
ates.
>
> Am Dienstag, 17. Dezember 2024, 07:51:42 CET schrieb Sandor Yu:
> > The patch set initial support Cadence MHDP8501(HDMI/DP) DRM bridge
> > driver and Cadence HDP-TX PHY(HDMI/DP) driver for Freescale i.MX8MQ.
> >
> > The patch set compose of DRM bridge drivers an
> On Wed, Dec 25, 2024 at 07:57:01AM +0000, Sandor Yu wrote:
> > >
> > > On Tue, Dec 17, 2024 at 02:51:47PM +0800, Sandor Yu wrote:
> > > > Add a new DRM DisplayPort and HDMI bridge driver for Candence
> > > MHDP8501
> > > > used in i
>
> On Tue, Dec 17, 2024 at 02:51:47PM +0800, Sandor Yu wrote:
> > Add a new DRM DisplayPort and HDMI bridge driver for Candence
> MHDP8501
> > used in i.MX8MQ SOC. MHDP8501 could support HDMI or DisplayPort
> > standards according embedded Firmware running in the u
> Hi,
>
> On Tue, Dec 17, 2024 at 02:51:47PM +0800, Sandor Yu wrote:
> > +static ssize_t firmware_version_show(struct device *dev,
> > +struct device_attribute *attr, char *buf);
> > static
> struct
> > +device_at
>
> On Tue, Dec 17, 2024 at 02:51:43PM +0800, Sandor Yu wrote:
> > Cadence MHDP IP includes a firmware. Driver and firmware communicate
> > through a mailbox. The basic mailbox access functions in this patch
> > are derived from the DRM bridge MHDP8546 driver.
> >
From: Alexander Stein
Add HDMI connector and connect it to MHDP output. Enable peripherals
for HDMI output.
Signed-off-by: Alexander Stein
---
v19->v20:
*No change
v18->v19:
- Move property data-lanes to endpoint of port@1
v17->v18:
- replace lane-mapping with data-lanes
.../dts/freescale/
From: Alexander Stein
This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.
Signed-off-by: Alexander Stein
---
v17->v20:
*No change
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++
1 file changed
Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort or HDMI PHY mode is configured in the driver.
Signed-off-by: Sandor Yu
Signed-off-by: Alexander Stein
---
v19->
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v20:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 51 +++
1 file changed, 51 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
---
v19->v20:
- Dump mhdp FW version by debugfs
- Combine HDMI and DP cable detect functions into one function
- Combine HDMI and
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
---
v19->v20:
- remove data type link of data-lanes.
v18->v19:
- move data-lanes property to endpoint of port@1
v17->v18:
- remove lane-mapping and replace it with data-lanes
- remove r-b tag as
be rewritten using these new helper functions.
The register read/write and DP DPCD read/write command functions
are also included in this new helper driver.
Signed-off-by: Sandor Yu
---
v19->v20:
- new patch in v20.
The patch split from Patch #1 in v19 and move to a new folder
drivers/
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
()
- cdns_mhdp_secure_mailbox_send_recv_multi()
All MHDP commands that need to be passed through the mailbox
have been rewritten using these new helper functions.
Signed-off-by: Sandor Yu
---
v19->v20:
- remove mhdp helper functions from the patch.
v18->v19:
- Use guard(mutex)
- Add kerneldocs for all new APIs.
- Detail commen
HDP-TX PHY(HDMI/DP) driver too.
- Plain bridge instead of component driver.
- Standalone Cadence HDP-TX PHY(HDMI/DP) driver.
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.159098288
> -Original Message-
> From: Dmitry Baryshkov
> Sent: 2024年11月26日 22:43
> To: Sandor Yu
> Cc: andrzej.ha...@intel.com; neil.armstr...@linaro.org; Laurent Pinchart
> ; jo...@kwiboo.se;
> jernej.skra...@gmail.com; airl...@gmail.com; dan...@ffwll.ch;
> -Original Message-
> From: Dmitry Baryshkov
> Sent: 2024年11月27日 3:21
> To: Sandor Yu
> Cc: andrzej.ha...@intel.com; neil.armstr...@linaro.org; Laurent Pinchart
> ; jo...@kwiboo.se;
> jernej.skra...@gmail.com; airl...@gmail.com; dan...@ffwll.ch;
> -Original Message-
> From: Dmitry Baryshkov
> Sent: 2024年11月30日 16:30
> To: Sandor Yu
> Cc: andrzej.ha...@intel.com; neil.armstr...@linaro.org; Laurent Pinchart
> ; jo...@kwiboo.se;
> jernej.skra...@gmail.com; airl...@gmail.com; dan...@ffwll.ch;
Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort or HDMI PHY mode is configured in the driver.
Signed-off-by: Sandor Yu
Signed-off-by: Alexander Stein
---
v18->
From: Alexander Stein
This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.
Signed-off-by: Alexander Stein
---
v17->v19:
*No change
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++
1 file changed
From: Alexander Stein
Add HDMI connector and connect it to MHDP output. Enable peripherals
for HDMI output.
Signed-off-by: Alexander Stein
---
v18->v19:
- Move property data-lanes to endpoint of port@1
v17->v18:
- replace lane-mapping with data-lanes
.../dts/freescale/imx8mq-tqma8mq-mba8mx.d
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v18:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 51 +++
1 file changed, 51 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
---
v18->v19:
- Get endpoint for data-lanes as it had move to endpoint of port@1
- Update clock management as devm_clk_get_enabled() in
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
---
v18->v19:
- move data-lanes property to endpoint of port@1
v17->v18:
- remove lane-mapping and replace it with data-lanes
- remove r-b tag as property changed.
v16->v17:
- Add lane-mapping property
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
cdns_mhdp_dp_reg_write(),
because it use the DPTX command ID DPTX_WRITE_REGISTER.
New cdns_mhdp_reg_write() is added with the general command ID
GENERAL_REGISTER_WRITE.
Signed-off-by: Sandor Yu
---
v18->v19:
- Use guard(mutex)
- Add kerneldocs for all new APIs.
- Detail comments for mailbox access specific c
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Alexander Stein (2):
arm64: dts: imx8mq: Add DCSS + HDMI/DP display pipeline
arm64: dts: imx8mq: t
>
> On Tue, Nov 05, 2024 at 02:05:51PM +, Sandor Yu wrote:
> > >
> > > On Tue, Oct 29, 2024 at 02:02:14PM +0800, Sandor Yu wrote:
> > > > Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
> > > >
> > > > Ca
>
>
> On 5 November 2024 14:05:51 GMT, Sandor Yu wrote:
> >>
> >> On Tue, Oct 29, 2024 at 02:02:14PM +0800, Sandor Yu wrote:
> >> > Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
> >> >
> >> > Cadence HDP-TX PHY c
>
> On Tue, Oct 29, 2024 at 02:02:09PM +0800, Sandor Yu wrote:
> > Mailbox access functions in MHDP8546 will be share to other MHDP
> > driver and Cadence HDP-TX HDMI/DP PHY drivers.
> >
> > Create a new MHDP helper driver and move all mailbox access functions
>
>
> On Tue, Oct 29, 2024 at 02:02:14PM +0800, Sandor Yu wrote:
> > Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
> >
> > Cadence HDP-TX PHY could be put in either DP mode or
> > HDMI mode base on the configuration chosen.
> > DisplayPort o
> On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote:
> > Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
> >
> > Signed-off-by: Sandor Yu
> > ---
> > v17->v18:
> > - remove lane-mapping and replace it with data-lanes
> > - remo
>
> Am Dienstag, dem 02.07.2024 um 20:22 +0800 schrieb Sandor Yu:
> > This patchset sits on top
> > Dmitry's 'make use of the HDMI connector infrastructure' patchset
> > ([2]).
> >
> > The patch set initial support Cadence MHDP8501(HDMI/DP) D
>
> On 29/10/2024 08:17, Sandor Yu wrote:
> >>
> >> On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote:
> >>> + interrupts:
> >>> +items:
> >>> + - description: Hotplug cable plugin.
> >>> +
>
> On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote:
> > + interrupts:
> > +items:
> > + - description: Hotplug cable plugin.
> > + - description: Hotplug cable plugout.
> > +
> > + interrupt-names:
> > +items:
> >
Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort or HDMI PHY mode is configured in the driver.
Signed-off-by: Sandor Yu
Signed-off-by: Alexander Stein
---
v17->v18:
-
From: Alexander Stein
Add HDMI connector and connect it to MHDP output. Enable peripherals
for HDMI output.
Signed-off-by: Alexander Stein
---
v17->v18:
- replace lane-mapping with data-lanes
.../dts/freescale/imx8mq-tqma8mq-mba8mx.dts | 21 +++
arch/arm64/boot/dts/freescale
From: Alexander Stein
This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.
Signed-off-by: Alexander Stein
---
v17->v18:
*No change
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++
1 file changed
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v18:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 51 +++
1 file changed, 51 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
---
v17->v18:
- MHDP8501 HDMI and DP commands that need access mailbox are rewrited
with new API functions created in patch #1.
-
.
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Alexander Stein (2):
arm64: dts: imx8mq: Add DCSS + HDMI/DP display pipeline
arm64: dts: imx8mq:
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
---
v17->v18:
- remove lane-mapping and replace it with data-lanes
- remove r-b tag as property changed.
v16->v17:
- Add lane-mapping property
v9->v16:
*No change
.../display/bridge/cdns,mhdp
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
cdns_mhdp_dp_reg_write(),
because it use the DPTX command ID DPTX_WRITE_REGISTER.
New cdns_mhdp_reg_write() is added with the general command ID
GENERAL_REGISTER_WRITE.
Signed-off-by: Sandor Yu
---
v17->v18:
- Create three ordinary mailbox access APIs
cdns_mhdp_mailbox_send
cdns_mhdp_mailbox_send_r
>
> On 29/09/2024 04:36, Sandor Yu wrote:
> > Hi Krzysztof，
> >
> > Thanks for your comments,
> >
> >>
> >>
> >> On Tue, Sep 24, 2024 at 03:36:48PM +0800, Sandor Yu wrote:
> >>> Add bindings for Cadence MHDP8501 DisplayPort
>
> On Mon, Sep 30, 2024 at 10:18:06AM +0200, Maxime Ripard wrote:
> > On Sun, Sep 29, 2024 at 02:34:36AM GMT, Sandor Yu wrote:
> > > > > +static void cdns_hdmi_sink_config(struct cdns_mhdp8501_device
> > > > > +*mhdp) {
> > > > > +
Hi Krzysztof，
Thanks for your comments,
>
>
> On Tue, Sep 24, 2024 at 03:36:48PM +0800, Sandor Yu wrote:
> > Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
> >
> > Signed-off-by: Sandor Yu
> > Reviewed-by: Krzysztof Kozlowski
>
> Drop
O
Hi Maxime,
Thanks for your comments.
>
> On Tue, Sep 24, 2024 at 03:36:49PM GMT, Sandor Yu wrote:
> > +static int cdns_mhdp8501_read_hpd(struct cdns_mhdp8501_device
> *mhdp)
> > +{
> > + u8 status;
> > + int ret;
> > +
> > + mutex
Hi Dmitry,
Thanks for your comments,
>
> On Tue, Sep 24, 2024 at 12:16:27PM GMT, Maxime Ripard wrote:
> > On Tue, Sep 24, 2024 at 03:36:49PM GMT, Sandor Yu wrote:
> > > +static int cdns_mhdp8501_read_hpd(struct cdns_mhdp8501_device
> > > +*mhdp) {
> >
Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort or HDMI PHY mode is configured in the driver.
Signed-off-by: Sandor Yu
Signed-off-by: Alexander Stein
---
v16->
From: Alexander Stein
Add HDMI connector and connect it to MHDP output. Enable peripherals
for HDMI output.
Signed-off-by: Alexander Stein
---
.../dts/freescale/imx8mq-tqma8mq-mba8mx.dts | 20 +++
arch/arm64/boot/dts/freescale/mba8mx.dtsi | 11 ++
2 files changed,
From: Alexander Stein
This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.
Signed-off-by: Alexander Stein
---
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++
1 file changed, 68 insertions(+)
dif
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v16->v17:
- Reset the HDMI/DP link when an HPD (Hot Plug Detect) event is detected
- Move the HDMI
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v17:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 51 +++
1 file changed, 51 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
Reviewed-by: Krzysztof Kozlowski
---
v16->v17:
- Add lane-mapping property
v9->v16:
*No change
.../display/bridge/cdns,mhdp8501.yaml | 109 ++
1 file changed, 109 insertions(+)
he patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Alexander Stein (2):
arm64: dts: imx8mq: Add DCSS + HDMI/DP display pipeline
arm64: dts: imx8mq: tqma8mq-mba8mx: Enable HDMI support
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
with a global mutex mhdp_mailbox_mutex
to prevent race conditions in mailbox access by multi drivers.
Signed-off-by: Sandor Yu
---
v16->v17:
- Replaces the local mutex mbox_mutex with a global mutex mhdp_mailbox_mutex
v12->v16:
*No change.
V11->v12:
- Move status initialize out of m
>
> On Fri, 13 Sept 2024 at 11:46, Sandor Yu wrote:
> >
> >
> > > Subject: Re: [EXT] Re: [PATCH v16 4/8] drm: bridge: Cadence: Add
> > > MHDP8501 DP/HDMI driver
> > >
> > > On Fri, Sep 06, 2024 at 02:50:08AM GMT, Sandor Yu wrote:
>
> Subject: Re: [EXT] Re: [PATCH v16 4/8] drm: bridge: Cadence: Add MHDP8501
> DP/HDMI driver
>
> On Fri, Sep 06, 2024 at 02:50:08AM GMT, Sandor Yu wrote:
> > > On Tue, Sep 03, 2024 at 06:07:25AM GMT, Sandor Yu wrote:
> > > > > -Original Messag
>
> On Tue, Sep 03, 2024 at 06:07:25AM GMT, Sandor Yu wrote:
> > Hi Maxime,
> >
> > Thanks for your comments,
> >
> > > -Original Message-
> > > From: dri-devel On Behalf
> > > Of Maxime Ripard
> > > Sent: 2024年7月2
Hi Maxime,
Thanks for your comments,
> -Original Message-
> From: dri-devel On Behalf Of
> Maxime Ripard
> Sent: 2024年7月2日 21:25
> To: Sandor Yu
> Cc: dmitry.barysh...@linaro.org; andrzej.ha...@intel.com;
> neil.armstr...@linaro.org; Laurent Pinchart
> ; jo...@
>
> Le 02/07/2024 à 14:22, Sandor Yu a écrit :
> > Add a new DRM DisplayPort and HDMI bridge driver for Candence
> MHDP8501
> > used in i.MX8MQ SOC. MHDP8501 could support HDMI or DisplayPort
> > standards according embedded Firmware running in the uCPU.
> >
&g
Hi Maxime,
Thanks for your detail explain, it is make sense to reset the HDMI link.
I will implement it later.
B.R
Sandor
> -Original Message-
> From: Maxime Ripard
> Sent: 2024年7月2日 20:40
> To: Sandor Yu
> Cc: Alexander Stein ; Andrzej Hajda
> ; Neil Armstro
From: Alexander Stein
Add HDMI connector and connect it to MHDP output. Enable peripherals
for HDMI output.
Signed-off-by: Alexander Stein
---
.../dts/freescale/imx8mq-tqma8mq-mba8mx.dts | 20 +++
arch/arm64/boot/dts/freescale/mba8mx.dtsi | 11 ++
2 files changed,
From: Alexander Stein
This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.
Signed-off-by: Alexander Stein
---
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++
1 file changed, 68 insertions(+)
dif
Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort or HDMI PHY mode is configured in the driver.
Signed-off-by: Sandor Yu
Signed-off-by: Alexander Stein
---
v15->
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v16:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 51 +++
1 file changed, 51 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v15->v16:
- rebase the patchset sits on top Dmitry's
'make use of the HDMI connec
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
Reviewed-by: Krzysztof Kozlowski
---
v9->v16:
*No change
.../display/bridge/cdns,mhdp8501.yaml | 104 ++
1 file changed, 104 insertions(+)
create mode 100644
Documentation/devicet
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
---
v15->
.
New cdns_mhdp_reg_write() is created with the general command ID
GENERAL_REGISTER_WRITE.
rewrite cdns_mhdp_set_firmware_active() in mhdp8546 core driver,
use cdns_mhdp_mailbox_send() to replace cdns_mhdp_mailbox_write()
same as the other mailbox access functions.
Signed-off-by: Sandor Yu
---
v12
idge instead of component driver.
- Standalone Cadence HDP-TX PHY(HDMI/DP) driver.
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Alexander Stein (2)
Hi Vinod,
Thanks for your comments,
> From: Vinod Koul
> Sent: 2024年4月5日 22:52
> On 06-03-24, 11:16, Alexander Stein wrote:
> > From: Sandor Yu
> >
> > Add Cadence HDP-TX DisplayPort and HDMI PHY driver for i.MX8MQ.
> >
> > Cadence HDP-TX PHY could be
Hi Maxime,
Thanks for your comments,
> Subject: [EXT] Re: [PATCH v15 4/8] drm: bridge: Cadence: Add MHDP8501
> DP/HDMI driver
>
> Hi,
>
> On Wed, Mar 06, 2024 at 11:16:21AM +0100, Alexander Stein wrote:
> > +static int cdns_mhdp8501_read_hpd(struct cdns_mhdp8501_device
> *mhdp)
> > +{
> > +
Hi Alexander,
Thanks for your combine HDMI and DP PHY driver into one driver.
Basically, the HDMI and DP PHY initialize process and configuration same as V14.
I have verify the DP and HDMI function with the patch set.
I'm OK for the patch.
B.R
Sandor
>
>
> From: Sandor Yu
&g
Hi Alexander,
Thanks for your comments,
>
> Hi,
>
> thanks for the update.
>
> Am Dienstag, 20. Februar 2024, 04:23:55 CET schrieb Sandor Yu:
> > Add Cadence HDP-TX HDMI PHY driver for i.MX8MQ.
> >
> > Cadence HDP-TX PHY could be put in either DP mode or HDMI
Hi Alexander,
Thanks for your comments,
>
>
> Hi,
>
> thanks for the update.
>
> Am Dienstag, 20. Februar 2024, 04:23:53 CET schrieb Sandor Yu:
> > Add bindings for Freescale iMX8MQ DP and HDMI PHY.
> >
> > Signed-off-by: Sandor Yu
> > Reviewed-b
Add Cadence HDP-TX HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
HDMI PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v13->v14:
*No change.
v12->v13:
- Fix
Add Cadence HDP-TX DisplayPort PHY driver for i.MX8MQ
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
---
v12->v14:
*No change.
v11->v12:
- Return error c
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v14:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 53 +++
1 file changed, 53 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v13->v14:
- Rebase to next-20240219, replace get_edid function by edid_read
function.
v12->v13:
-
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
Reviewed-by: Krzysztof Kozlowski
---
v9->v14:
*No change.
.../display/bridge/cdns,mhdp8501.yaml | 104 ++
1 file changed, 104 insertions(+)
create mode 100644
Documentat
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
.
New cdns_mhdp_reg_write() is created with the general command ID
GENERAL_REGISTER_WRITE.
rewrite cdns_mhdp_set_firmware_active() in mhdp8546 core driver,
use cdns_mhdp_mailbox_send() to replace cdns_mhdp_mailbox_write()
same as the other mailbox access functions.
Signed-off-by: Sandor Yu
---
v12
- Plain bridge instead of component driver.
- Standalone Cadence HDP-TX PHY(HDMI/DP) driver.
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Sando
Hi Alexander,
Thanks for your comments,
get_edid function will be replace by edid_read as community update in the next
version.
B.R
Sandor
>
>
> Hi Sandor,
>
> thanks for the update.
>
> Am Sonntag, 4. Februar 2024, 11:21:49 CET schrieb Sandor Yu:
> > Add a new DRM
Hi Alexander,
Thanks your comments,
>
>
> Hi Sandor,
>
> thanks for the update.
>
> Am Mittwoch, 10. Januar 2024, 02:08:45 CET schrieb Sandor Yu:
> > Add a new DRM DisplayPort and HDMI bridge driver for Candence
> MHDP8501
> > used in i.MX8MQ SOC. MHDP85
linux-ker...@vger.kernel.org; linux-...@lists.infradead.org; Sandor Yu
>
> Cc: ker...@pengutronix.de; dl-linux-imx ; Sandor Yu
> ; Oliver Brown ;
> s...@ravnborg.org
> Subject: [EXT] Re: [PATCH v12 7/7] phy: freescale: Add HDMI PHY driver for
> i.MX8MQ
>
> Caution: This is an exter
Add Cadence HDP-TX HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
HDMI PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v12->v13:
- Fix build warning
v11-&
Add Cadence HDP-TX DisplayPort PHY driver for i.MX8MQ
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
---
v12->v13:
*No change.
v11->v12:
- Return error c
Add bindings for Freescale iMX8MQ DP and HDMI PHY.
Signed-off-by: Sandor Yu
Reviewed-by: Rob Herring
---
v9->v13:
*No change.
.../bindings/phy/fsl,imx8mq-dp-hdmi-phy.yaml | 53 +++
1 file changed, 53 insertions(+)
create mode 100644
Documentation/devicetree/bindings/
inary included respective specific firmware
is required.
Driver will check display connector type and
then load the corresponding driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v12->v13:
- Explicitly include linux/platform_device.h for cdns-mhdp8501-core.c
- Fix build warning
- O
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu
Reviewed-by: Krzysztof Kozlowski
---
v9->v13:
*No change.
.../display/bridge/cdns,mhdp8501.yaml | 104 ++
1 file changed, 104 insertions(+)
create mode 100644
Documentat
Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.
The parameters added here are based on HDMI PHY
implementation practices. The current set of parameters
should cover the potential users.
Signed-off-by: Sandor Yu
Reviewed-by
.
New cdns_mhdp_reg_write() is created with the general command ID
GENERAL_REGISTER_WRITE.
rewrite cdns_mhdp_set_firmware_active() in mhdp8546 core driver,
use cdns_mhdp_mailbox_send() to replace cdns_mhdp_mailbox_write()
same as the other mailbox access functions.
Signed-off-by: Sandor Yu
---
v12
Plain bridge instead of component driver.
- Standalone Cadence HDP-TX PHY(HDMI/DP) driver.
- Audio driver are removed from the patch set, it will be add in another
patch set later.
[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/cover.1590982881.git.sandor...@nxp.com/
Sandor Yu (7
Add Cadence HDP-TX HDMI PHY driver for i.MX8MQ.
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
HDMI PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
Tested-by: Alexander Stein
---
v11->v12:
- Adjust clk disable order.
- Ret
Add Cadence HDP-TX DisplayPort PHY driver for i.MX8MQ
Cadence HDP-TX PHY could be put in either DP mode or
HDMI mode base on the configuration chosen.
DisplayPort PHY mode is configurated in the driver.
Signed-off-by: Sandor Yu
---
v11->v12:
- Return error code to replace -1 for funct
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