Hi Sam,
Thanks for giving feedback. When I send out v2 I'll CC you on the rest of the series
to be sure you have visibility. My responses are below.
> On Mon, Apr 27, 2020 at 09:41:49AM +0100, Sam Ravnborg wrote:
> Hi Gareth.
>
> Looking forward to see the other patches - they seem to be stuck awaiting
> approval.
>
> A few comments in the following.
>
> Sam
>
> On Mon, Apr 27, 2020 at 09:21:49AM +0100, Gareth Williams wrote:
> > This commit adds support for the Newhaven ATXL#-CTP panel used by the
> > Renesas RZ/N1 Demo Board.
> >
> > Signed-off-by: Gareth Williams <gareth.williams.jx@xxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/panel/panel-simple.c | 27
> +++++++++++++++++++++++++++
> > 1 file changed, 27 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/panel/panel-simple.c
> > b/drivers/gpu/drm/panel/panel-simple.c
> > index 5a93c4e..0b57b0e 100644
> > --- a/drivers/gpu/drm/panel/panel-simple.c
> > +++ b/drivers/gpu/drm/panel/panel-simple.c
> > @@ -2021,6 +2021,30 @@ static const struct panel_desc
> newhaven_nhd_43_480272ef_atxl = {
> > DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE, };
> >
> > +static const struct display_timing
> newhaven_nhd_50_800480tf_atxl_timing = {
> > + .pixelclock = { 33300000, 33400000, 33500000 },
> > + .hactive = { 800, 800, 800 },
> > + .hfront_porch = { 40, 40, 40 },
> > + .hback_porch = { 88, 88, 88 },
> > + .hsync_len = { 1, 1, 1 },
> > + .vactive = { 480, 480, 480 },
> > + .vfront_porch = { 13, 13, 13 },
> > + .vback_porch = { 32, 32, 32 },
> > + .vsync_len = { 3, 3, 3 },
> > + .flags = DISPLAY_FLAGS_HSYNC_HIGH |
> DISPLAY_FLAGS_VSYNC_HIGH, };
> > +
> > +static const struct panel_desc newhaven_nhd_50_800480tf_atxl = {
> > + .timings = &newhaven_nhd_50_800480tf_atxl_timing,
> > + .num_timings = 1,
> > + .bpc = 8,
> > + .size = {
> > + .width = 400,
> > + .height = 300,
> > + },
> > + .bus_flags = DRM_BUS_FLAG_DE_HIGH,
> Please add DRM_BUS_FLAG_PIXDATA too - as I assume this is an LVDS panel.
This is an RGB interface, however the manual lists that the rising edge is
being used so I will include the DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE
flag.
>
> > +};
> For new panels .connector_type is mandatory.
Okay, I will include this in v2 of the series.
>
>
> > +
> > static const struct display_timing nlt_nl192108ac18_02d_timing = {
> > .pixelclock = { 130000000, 148350000, 163000000 },
> > .hactive = { 1920, 1920, 1920 },
> > @@ -2964,6 +2988,9 @@ static const struct of_device_id
> platform_of_match[] = {
> > .compatible = "newhaven,nhd-4.3-480272ef-atxl",
> > .data = &newhaven_nhd_43_480272ef_atxl,
> > }, {
> > + .compatible = "newhaven,nhd-5.0-800480tf-atxl",
> > + .data = &newhaven_nhd_50_800480tf_atxl,
> > + }, {
>
> I did not see the other patches - so this is maybe covered.
> But newhaven,nhd-5.0-800480tf-atxl must be documented in panel-
> simple.yaml before we can apply this.
I will include a separate documentation patch in v2 with you
on CC for this.
>
> Sam
>
> > .compatible = "nlt,nl192108ac18-02d",
> > .data = &nlt_nl192108ac18_02d,
> > }, {
> > --
> > 2.7.4
Gareth
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