From: Antonio Borneo <[email protected]>
Current code only sends LP commands in command mode.
Allows sending LP commands also in video mode by setting the
proper flag in DSI_VID_MODE_CFG.
Signed-off-by: Antonio Borneo <[email protected]>
Change-Id: Ib78fa37bcc7559ce63017acd6ee0bbf00c61a397
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/linux-stm32/+/153242
Reviewed-by: CITOOLS <[email protected]>
Reviewed-by: CIBUILD <[email protected]>
Reviewed-by: Yannick FERTRE <[email protected]>
Reviewed-by: Philippe CORNU <[email protected]>
Tested-by: Yannick FERTRE <[email protected]>
---
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index d580b2aa4ce9..0cd43e7a69bb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -367,6 +367,13 @@ static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,
dsi_write(dsi, DSI_LPCLK_CTRL, lpm ? 0 : PHY_TXREQUESTCLKHS);
dsi_write(dsi, DSI_CMD_MODE_CFG, val);
+
+ val = dsi_read(dsi, DSI_VID_MODE_CFG);
+ if (lpm)
+ val |= ENABLE_LOW_POWER_CMD;
+ else
+ val &= ~ENABLE_LOW_POWER_CMD;
+ dsi_write(dsi, DSI_VID_MODE_CFG, val);
}
static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
--
2.17.1