Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-05-01 Thread Jayesh Choudhary
Hello Max, On 01/05/25 13:42, Max Krummenacher wrote: On Mon, Apr 28, 2025 at 02:15:12PM -0700, Doug Anderson wrote: Hello Jayesh, Hi, On Thu, Apr 24, 2025 at 6:32 PM Kumar, Udit wrote: Hello Jayesh, On 4/24/2025 4:24 PM, Jayesh Choudhary wrote: For TI SoC J784S4, the display pipeline lo

Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-05-01 Thread Max Krummenacher
On Mon, Apr 28, 2025 at 02:15:12PM -0700, Doug Anderson wrote: Hello Jayesh, > Hi, > > On Thu, Apr 24, 2025 at 6:32 PM Kumar, Udit wrote: > > > > Hello Jayesh, > > > > On 4/24/2025 4:24 PM, Jayesh Choudhary wrote: > > > For TI SoC J784S4, the display pipeline looks like: > > > TIDSS -> CDNS-DSI

Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-04-28 Thread Doug Anderson
Hi, On Thu, Apr 24, 2025 at 6:32 PM Kumar, Udit wrote: > > Hello Jayesh, > > On 4/24/2025 4:24 PM, Jayesh Choudhary wrote: > > For TI SoC J784S4, the display pipeline looks like: > > TIDSS -> CDNS-DSI -> SN65DSI86 -> DisplayConnector -> DisplaySink > > This requires HPD to detect connection form

Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-04-25 Thread Jayesh Choudhary
Hello Krzysztof, On 25/04/25 11:04, Krzysztof Kozlowski wrote: On 24/04/2025 12:54, Jayesh Choudhary wrote: For TI SoC J784S4, the display pipeline looks like: TIDSS -> CDNS-DSI -> SN65DSI86 -> DisplayConnector -> DisplaySink This requires HPD to detect connection form the connector. By default

Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-04-25 Thread Kumar, Udit
Hello Jayesh, On 4/24/2025 4:24 PM, Jayesh Choudhary wrote: For TI SoC J784S4, the display pipeline looks like: TIDSS -> CDNS-DSI -> SN65DSI86 -> DisplayConnector -> DisplaySink This requires HPD to detect connection form the connector. By default, the HPD is disabled for eDP. So enable it condi

Re: [RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-04-24 Thread Krzysztof Kozlowski
On 24/04/2025 12:54, Jayesh Choudhary wrote: > For TI SoC J784S4, the display pipeline looks like: > TIDSS -> CDNS-DSI -> SN65DSI86 -> DisplayConnector -> DisplaySink > This requires HPD to detect connection form the connector. > By default, the HPD is disabled for eDP. So enable it conditionally >

[RFC PATCH] drm/bridge: ti-sn65dsi86: Enable HPD functionality

2025-04-24 Thread Jayesh Choudhary
For TI SoC J784S4, the display pipeline looks like: TIDSS -> CDNS-DSI -> SN65DSI86 -> DisplayConnector -> DisplaySink This requires HPD to detect connection form the connector. By default, the HPD is disabled for eDP. So enable it conditionally based on a new flag 'keep-hpd' as mentioned in the com