diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c index a88a33eb5d97..f2bafa6cf779 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c @@ -143,35 +143,7 @@ static int anx6345_dp_link_training(struct anx6345 *anx6345) if (err) return err; - /* - * Power up the sink (DP_SET_POWER register is only available on DPCD - * v1.1 and later). - */ - if (anx6345->dpcd[DP_DPCD_REV] >= 0x11) { - err = drm_dp_dpcd_readb(&anx6345->aux, DP_SET_POWER, &dpcd[0]); - if (err < 0) { - DRM_ERROR("Failed to read DP_SET_POWER register: %d\n", - err); - return err; - } - - dpcd[0] &= ~DP_SET_POWER_MASK; - dpcd[0] |= DP_SET_POWER_D0; - - err = drm_dp_dpcd_writeb(&anx6345->aux, DP_SET_POWER, dpcd[0]); - if (err < 0) { - DRM_ERROR("Failed to power up DisplayPort link: %d\n", - err); - return err; - } - - /* - * According to the DP 1.1 specification, a "Sink Device must - * exit the power saving state within 1 ms" (Section 2.5.3.1, - * Table 5-52, "Sink Control Field" (register 0x600). - */ - usleep_range(1000, 2000); - } + drm_dp_link_power_up(&anx6345->aux, anx6345->dpcd[DP_DPCD_REV]); /* Possibly enable downspread on the sink */ err = regmap_write(anx6345->map[I2C_IDX_DPTX], |