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phy/rockchip: samsung-hdptx: Fix link train EQ failed 

Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
Change-Id: I72b78e063eb014e756ba9d39d9e79909a09dce5e
This commit is contained in:
Wyon Bi 2022-12-23 09:40:54 +00:00 committed by Tao Huang
parent 61c0ac4317
commit 9e8c381e3e
1 changed files with 12 additions and 13 deletions
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25
drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
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@ -595,10 +595,22 @@ static int rockchip_hdptx_phy_set_voltages(struct rockchip_hdptx_phy *hdptx,
struct phy_configure_opts_dp *dp)
{
u8 lane;
u32 status;
int ret;
for (lane = 0; lane < dp->lanes; lane++)
rockchip_hdptx_phy_set_voltage(hdptx, dp, lane);
reset_control_deassert(hdptx->lane_reset);
ret = regmap_read_poll_timeout(hdptx->grf, HDPTXPHY_GRF_STATUS0,
status, FIELD_GET(PHY_RDY, status),
50, 5000);
if (ret) {
dev_err(hdptx->dev, "timeout waiting for phy_rdy\n");
return ret;
}
return 0;
}
@ -623,9 +635,6 @@ static void rockchip_hdptx_phy_lane_disable(struct rockchip_hdptx_phy *hdptx)
static int rockchip_hdptx_phy_set_lanes(struct rockchip_hdptx_phy *hdptx,
struct phy_configure_opts_dp *dp)
{
u32 status;
int ret;
if (!dp->lanes) {
rockchip_hdptx_phy_lane_disable(hdptx);
return 0;
@ -634,16 +643,6 @@ static int rockchip_hdptx_phy_set_lanes(struct rockchip_hdptx_phy *hdptx,
regmap_update_bits(hdptx->regmap, 0x081c, LANE_EN,
FIELD_PREP(LANE_EN, GENMASK(dp->lanes - 1, 0)));
reset_control_deassert(hdptx->lane_reset);
ret = regmap_read_poll_timeout(hdptx->grf, HDPTXPHY_GRF_STATUS0,
status, FIELD_GET(PHY_RDY, status),
50, 5000);
if (ret) {
dev_err(hdptx->dev, "timeout waiting for phy_rdy\n");
return ret;
}
return 0;
}