[PATCH V7 0/6] drm: bridge: samsung-dsim: Support variable clocking

Fabio Estevam festevam at gmail.com
Fri May 19 00:29:03 UTC 2023


Hi Adam,

On Thu, May 18, 2023 at 8:06 PM Adam Ford <aford173 at gmail.com> wrote:
>
> This series fixes the blanking pack size and the PMS calculation.  It then
> adds support to allows the DSIM to dynamically DPHY clocks, and support
> non-burst mode while allowing the removal of the hard-coded clock values
> for the PLL for imx8m mini/nano/plus, and it allows the removal of the
> burst-clock device tree entry when burst-mode isn't supported by connected
> devices like an HDMI brige.  In that event, the HS clock is set to the
> value requested by the bridge chip.
>
> This has been tested on both an i.MX8M Nano and i.MX8M Plus, and should
> work on i.MX8M Mini as well. Marek Szyprowski has tested it on various
> Exynos boards.
>
> Adam Ford (5):
>   drm: bridge: samsung-dsim: Fix PMS Calculator on imx8m[mnp]
>   drm: bridge: samsung-dsim: Fetch pll-clock-frequency automatically
>   drm: bridge: samsung-dsim: Select GENERIC_PHY_MIPI_DPHY
>   drm: bridge: samsung-dsim: Dynamically configure DPHY timing
>   drm: bridge: samsung-dsim: Support non-burst mode
>
> Lucas Stach (1):
>   drm: bridge: samsung-dsim: fix blanking packet size calculation
>
>  drivers/gpu/drm/bridge/Kconfig        |   1 +
>  drivers/gpu/drm/bridge/samsung-dsim.c | 142 +++++++++++++++++++++-----
>  include/drm/bridge/samsung-dsim.h     |   4 +
>  3 files changed, 124 insertions(+), 23 deletions(-)
>
> V7:  Move messages indicating the optional device tree items are going
>      to be automatically read elsewhere was move to dev_dbg instead of
>      dev_info.  Cleaned up some of the comments to be a bit more clear.
>      Eliminated a double variable assignement accidentally introduced
>      in V6 when some of the items were moved from patch 6 to patch 5.

It seems you missed addressing one previous comment from Lucas:

"Same as with the earlier patch, this needs to be documented in the DT
binding by moving "samsung,burst-clock-frequency" to be a optional
property."


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