On Sat, 6 Feb 2021 at 10:50, Heiko Stuebner <heiko@xxxxxxxxx> wrote: > > The panel is able to work when dsi clock is non-continuous, thus > the system power consumption can be reduced using such feature. > > Add MIPI_DSI_CLOCK_NON_CONTINUOUS to panel's mode_flags. > > Also the flag actually becomes necessary after > commit c6d94e37bdbb ("drm/bridge/synopsys: dsi: add support for non-continuous HS clock") > and without it the panel only emits stripes instead of output. > Looks like c6d94e37bdbb landed in v5.10, so we should add: Fixes: c6d94e37bdbb ("drm/bridge/synopsys: dsi: add support for non-continuous HS clock") Cc: stable@xxxxxxxxxxxxxxx # 5.10+ With this fix, my Odroid Go2 has display. Tested-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> Thanks, Ezequiel > Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx> > --- > drivers/gpu/drm/panel/panel-elida-kd35t133.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c > index bc36aa3c1123..fe5ac3ef9018 100644 > --- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c > +++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c > @@ -265,7 +265,8 @@ static int kd35t133_probe(struct mipi_dsi_device *dsi) > dsi->lanes = 1; > dsi->format = MIPI_DSI_FMT_RGB888; > dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | > - MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET; > + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET | > + MIPI_DSI_CLOCK_NON_CONTINUOUS; > > drm_panel_init(&ctx->panel, &dsi->dev, &kd35t133_funcs, > DRM_MODE_CONNECTOR_DSI); > -- > 2.29.2 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel