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

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Message-ID: <20200918114736.11322-1-yannick.fertre@st.com>
Date:   Fri, 18 Sep 2020 13:47:36 +0200
From:   Yannick Fertre <yannick.fertre@...com>
To:     Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        Antonio Borneo <antonio.borneo@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
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 <antonio.borneo@...com>
Signed-off-by: Yannick Fertre <yannick.fertre@...com>
---
 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