[PATCH 5/9] drm: bridge/dw_hdmi: avoid being recursive in N calculation

Doug Anderson dianders at chromium.org
Fri Sep 4 10:50:19 PDT 2015


On Sat, Aug 8, 2015 at 9:10 AM, Russell King
<rmk+kernel at arm.linux.org.uk> wrote:
> There's no need to be recursive when computing the N value for the ACR
> packet - we can instead calculate the multiplier prior to our switch()
> based lookup, and multiply the N value appropriately afterwards.
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
> ---
>  drivers/gpu/drm/bridge/dw_hdmi.c | 25 +++++++++----------------
>  1 file changed, 9 insertions(+), 16 deletions(-)

For what it's worth, I backported this change into my local 3.14-based
tree and it worked for me.  It also looks good to me.

Reviewed-by: Douglas Anderson <dianders at chromium.org>
Tested-by: Douglas Anderson <dianders at chromium.org>

More information about the Linux-rockchip mailing list