[PATCH v5 08/13] drm/stm: ltdc: handle lvds pixel clock

Philippe CORNU philippe.cornu at foss.st.com
Thu Aug 28 06:53:25 PDT 2025



On 8/22/25 16:34, Raphael Gallais-Pou wrote:
> From: Yannick Fertre <yannick.fertre at foss.st.com>
> 
> Handle LVDS pixel clock.
> 
> The LTDC operates with multiple clock domains for register access,
> requiring all clocks to be provided during read/write operations.  This
> imposes a dependency between the LVDS and LTDC to access correctly all
> LTDC registers.  And because both IPs' pixel rates must be synchronized,
> the LTDC has to handle the LVDS clock.
> 
> Signed-off-by: Yannick Fertre <yannick.fertre at foss.st.com>
> Acked-by: Yannick Fertre <yannick.fertre at foss.st.com>
> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou at foss.st.com>
> ---
>   drivers/gpu/drm/stm/ltdc.c | 22 +++++++++++++++++++++-
>   drivers/gpu/drm/stm/ltdc.h |  1 +
>   2 files changed, 22 insertions(+), 1 deletion(-)

Hi Raphael,

Acked-by: Philippe Cornu <philippe.cornu at foss.st.com>

Thanks a lot
Philippe :-)



More information about the linux-arm-kernel mailing list