Re: [PATCH V3 6/7] drm: bridge: samsung-dsim: Support non-burst mode

From: Frieder Schrempf
Date: Wed May 03 2023 - 11:43:15 EST


On 02.05.23 03:07, Adam Ford wrote:
> The high-speed clock is hard-coded to the burst-clock
> frequency specified in the device tree. However, when
> using devices like certain bridge chips without burst mode
> and varying resolutions and refresh rates, it may be
> necessary to set the high-speed clock dynamically based
> on the desired pixel clock for the connected device.
>
> This also removes the need to set a clock speed from
> the device tree for non-burst mode operation, since the
> pixel clock rate is the rate requested from the attached
> device like an HDMI bridge chip. This should have no
> impact for people using burst-mode and setting the burst
> clock rate is still required for those users.
>
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>

Tested on Kontron BL i.MX8MM with SN65DSI84 and ADV7535 bridges.

Tested-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
Reviewed-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>