diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index d580b2aa4ce9859a000268ef33a90c69938b088e..d41ce1de106780bd8d7ee4af3f6c8c961df27c70 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -89,6 +89,7 @@ #define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS 0x1 #define VID_MODE_TYPE_BURST 0x2 #define VID_MODE_TYPE_MASK 0x3 +#define ENABLE_LOW_POWER_CMD BIT(15) #define VID_MODE_VPG_ENABLE BIT(16) #define VID_MODE_VPG_HORIZONTAL BIT(24) @@ -367,6 +368,13 @@ 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)