drm/msm: dsi: Provide option to force continuous HS clock

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / msm / dsi / dsi_host.c

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 649d20d29f9298a8852e6d0368008becb348fe03..ae061653ca06c037ef4f81a78f5093338417fb0b 100644 (file)
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -787,6 +787,11 @@ static void dsi_ctrl_config(struct msm_dsi_host *msm_host, bool enable,
                dsi_write(msm_host, REG_DSI_LANE_SWAP_CTRL,
                        DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL(LANE_SWAP_0123));
        }
+
+       if (!(flags & MIPI_DSI_CLOCK_NON_CONTINUOUS))
+               dsi_write(msm_host, REG_DSI_LANE_CTRL,
+                       DSI_LANE_CTRL_CLKLN_HS_FORCE_REQUEST);
+
        data |= DSI_CTRL_ENABLE;
 
        dsi_write(msm_host, REG_DSI_CTRL, data);