2020-09-18 12:41:57

by Yannick FERTRE

Subject: [PATCH] drm/panel: rm68200: allow using non-continuous dsi clock

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.

Signed-off-by: Antonio Borneo <[email protected]>
Signed-off-by: Yannick Fertre <[email protected]>
---
drivers/gpu/drm/panel/panel-raydium-rm68200.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
index f908eeafb1af..2b9e48b0a491 100644
--- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c
+++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
@@ -391,7 +391,7 @@ static int rm68200_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 2;
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_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;

drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs,
DRM_MODE_CONNECTOR_DSI);
--
2.17.1

2020-09-24 19:54:23

by Sam Ravnborg

Subject: Re: [PATCH] drm/panel: rm68200: allow using non-continuous dsi clock

Hi Yannick

On Fri, Sep 18, 2020 at 01:47:36PM +0200, Yannick Fertre 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.
>
> Signed-off-by: Antonio Borneo <[email protected]>
> Signed-off-by: Yannick Fertre <[email protected]>

Applied to drm-misc-next.

Sam

> ---
> drivers/gpu/drm/panel/panel-raydium-rm68200.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
> index f908eeafb1af..2b9e48b0a491 100644
> --- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c
> +++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
> @@ -391,7 +391,7 @@ static int rm68200_probe(struct mipi_dsi_device *dsi)
> dsi->lanes = 2;
> 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_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;
>
> drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs,
> DRM_MODE_CONNECTOR_DSI);
> --
> 2.17.1