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-rw-r--r--src/soc/rockchip/rk3399/mipi.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/soc/rockchip/rk3399/mipi.c b/src/soc/rockchip/rk3399/mipi.c
index 5c8f4c2e33..9491b91d7f 100644
--- a/src/soc/rockchip/rk3399/mipi.c
+++ b/src/soc/rockchip/rk3399/mipi.c
@@ -95,7 +95,7 @@ static void rk_mipi_dsi_phy_write(struct rk_mipi_dsi *dsi,
static int rk_mipi_dsi_phy_init(struct rk_mipi_dsi *dsi)
{
- int ret, testdin, vco;
+ int testdin, vco;
int lane_mbps = div_round_up(dsi->lane_bps, USECS_PER_SEC);
vco = (lane_mbps < 200) ? 0 : (lane_mbps + 100) / 200;
@@ -156,7 +156,7 @@ static int rk_mipi_dsi_phy_init(struct rk_mipi_dsi *dsi)
write32(&mipi_regs->dsi_phy_rstz, PHY_ENFORCEPLL | PHY_ENABLECLK |
PHY_UNRSTZ | PHY_UNSHUTDOWNZ);
- return ret;
+ return 0;
}
static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
@@ -421,7 +421,8 @@ void rk_mipi_prepare(const struct edid *edid, u32 display_on_mdelay, u32 video_m
rk_mipi_dsi_dphy_timing_config(&rk_mipi);
rk_mipi_dsi_dphy_interface_config(&rk_mipi);
rk_mipi_dsi_clear_err(&rk_mipi);
- rk_mipi_dsi_phy_init(&rk_mipi);
+ if (rk_mipi_dsi_phy_init(&rk_mipi) < 0)
+ return;
rk_mipi_dsi_wait_for_two_frames(&rk_mipi, edid);
rk_mipi_dsi_set_mode(&rk_mipi, MIPI_DSI_CMD_MODE);