Re: [PATCH v4 5/7] drm/vc4: hdmi: Rework hdmi_enable_4kp60 detection code

2022-10-26 Thread maxime
Hi Dave, On Wed, Oct 26, 2022 at 05:00:25PM +0100, Dave Stevenson wrote: > > + > > + node = rpi_firmware_find_node(); > > + if (!node) > > + return -EINVAL; > > + > > + firmware = rpi_firmware_get(node); > > + of_node_pu

Re: [PATCH v4 5/7] drm/vc4: hdmi: Rework hdmi_enable_4kp60 detection code

2022-10-26 Thread Dave Stevenson
I knew there was something else On Wed, 26 Oct 2022 at 17:00, Dave Stevenson wrote: > > Hi Maxime > > On Thu, 20 Oct 2022 at 10:14, wrote: > > > > In order to support higher HDMI frequencies, users have to set the > > hdmi_enable_4kp60 parameter in their config.txt file. > > > > This will have t

Re: [PATCH v4 5/7] drm/vc4: hdmi: Rework hdmi_enable_4kp60 detection code

2022-10-26 Thread Dave Stevenson
Hi Maxime On Thu, 20 Oct 2022 at 10:14, wrote: > > In order to support higher HDMI frequencies, users have to set the > hdmi_enable_4kp60 parameter in their config.txt file. > > This will have the side-effect of raising the maximum of the core clock, > tied to the HVS, and managed by the HVS driv

[PATCH v4 5/7] drm/vc4: hdmi: Rework hdmi_enable_4kp60 detection code

2022-10-20 Thread maxime
In order to support higher HDMI frequencies, users have to set the hdmi_enable_4kp60 parameter in their config.txt file. This will have the side-effect of raising the maximum of the core clock, tied to the HVS, and managed by the HVS driver. However, we are querying this in the HDMI driver by pok