On Tue, May 20, 2014 at 04:36:48PM -0700, Stéphane Marchesin wrote:
> This panel is used by my tegra board and supported by the simple-panel
> driver.
One thing I like to have is some indication in the commit message about
which board this panel is used on. Of course if you can't disclose that
yet I'll still take the patch, but perhaps you can be a little more
specific than "my Tegra board".
There also seem to be different variants of this panel. I've come across
datasheets for B133XTN01.0 and B133XTN01.2. The 1.0 seems to be native
LVDS whereas it looks as if the 1.2 comes with an additional module to
connect it to eDP. Which one is it that you use? I guess independent of
the specific model the timings will still work, but device tree mandates
that the compatible for the most specific model be used. Perhaps this
panel should be:
compatible = "auo,b133xtn01.2", "auo,b133xtn01", "simple-panel";
That would allow the panel-simple driver to match on "auo,b133xtn01" and
pick up the timing that presumably works for both.
One other nit below:
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
[...]
> +static const struct panel_desc auo_b133xtn01 = {
> + .modes = &auo_b133xtn01_mode,
> + .num_modes = 1,
> + .size = {
> + .width = 293,
> + .height = 164,
According to the datasheet I found this is 164.97 mm, in which case I
think it may be better to round up to get a more accurate value of the
DPI.
Thierry
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