| Message ID | 20201105120333.947408-2-tomi.valkeinen@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Convert DSI code to use drm_mipi_dsi and drm_panel | expand |
Hi Tomi and Sebastian, Thank you for the patch. On Thu, Nov 05, 2020 at 02:02:38PM +0200, Tomi Valkeinen wrote: > From: Sebastian Reichel <sebastian.reichel@collabora.com> > > DSI command mode panels are self-refreshing displays, that > can be updated very rarely for static images. For this kind > of scenario some panels support, that the DSI bus switches > into ULPS mode until the panel needs to be refreshed. > > This is problematic on some panels, so introduce a flag to > signal the DSI host implementation that the panel allows > going into ULPS mode. > > Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> > Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > include/drm/drm_mipi_dsi.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h > index 360e6377e84b..f36f89c14b4a 100644 > --- a/include/drm/drm_mipi_dsi.h > +++ b/include/drm/drm_mipi_dsi.h > @@ -132,6 +132,8 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node); > #define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10) > /* transmit data in low power */ > #define MIPI_DSI_MODE_LPM BIT(11) > +/* allow going into ULPS mode while command mode panel is not updated */ > +#define MIPI_DSI_MODE_ULPS_IDLE BIT(12) > > enum mipi_dsi_pixel_format { > MIPI_DSI_FMT_RGB888,
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 360e6377e84b..f36f89c14b4a 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -132,6 +132,8 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node); #define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10) /* transmit data in low power */ #define MIPI_DSI_MODE_LPM BIT(11) +/* allow going into ULPS mode while command mode panel is not updated */ +#define MIPI_DSI_MODE_ULPS_IDLE BIT(12) enum mipi_dsi_pixel_format { MIPI_DSI_FMT_RGB888,