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path: root/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
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Diffstat (limited to 'drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c')
-rw-r--r--drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
index 01bbf668e05e..29de2f7bdae8 100644
--- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
+++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
@@ -500,9 +500,7 @@ static const struct reg_sequence rk_hdtpx_common_cmn_init_seq[] = {
REG_SEQ0(CMN_REG(0043), 0x00),
REG_SEQ0(CMN_REG(0044), 0x46),
REG_SEQ0(CMN_REG(0045), 0x24),
- REG_SEQ0(CMN_REG(0046), 0xff),
REG_SEQ0(CMN_REG(0047), 0x00),
- REG_SEQ0(CMN_REG(0048), 0x44),
REG_SEQ0(CMN_REG(0049), 0xfa),
REG_SEQ0(CMN_REG(004a), 0x08),
REG_SEQ0(CMN_REG(004b), 0x00),
@@ -575,6 +573,8 @@ static const struct reg_sequence rk_hdtpx_tmds_cmn_init_seq[] = {
REG_SEQ0(CMN_REG(0034), 0x00),
REG_SEQ0(CMN_REG(003d), 0x40),
REG_SEQ0(CMN_REG(0042), 0x78),
+ REG_SEQ0(CMN_REG(0046), 0xdd),
+ REG_SEQ0(CMN_REG(0048), 0x11),
REG_SEQ0(CMN_REG(004e), 0x34),
REG_SEQ0(CMN_REG(005c), 0x25),
REG_SEQ0(CMN_REG(005e), 0x4f),
@@ -668,13 +668,9 @@ static const struct reg_sequence rk_hdtpx_common_lane_init_seq[] = {
static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = {
REG_SEQ0(LANE_REG(0312), 0x00),
- REG_SEQ0(LANE_REG(031e), 0x00),
REG_SEQ0(LANE_REG(0412), 0x00),
- REG_SEQ0(LANE_REG(041e), 0x00),
REG_SEQ0(LANE_REG(0512), 0x00),
- REG_SEQ0(LANE_REG(051e), 0x00),
REG_SEQ0(LANE_REG(0612), 0x00),
- REG_SEQ0(LANE_REG(061e), 0x08),
REG_SEQ0(LANE_REG(0303), 0x2f),
REG_SEQ0(LANE_REG(0403), 0x2f),
REG_SEQ0(LANE_REG(0503), 0x2f),
@@ -687,6 +683,11 @@ static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = {
REG_SEQ0(LANE_REG(0406), 0x1c),
REG_SEQ0(LANE_REG(0506), 0x1c),
REG_SEQ0(LANE_REG(0606), 0x1c),
+ /* Keep Inter-Pair Skew in the limits */
+ REG_SEQ0(LANE_REG(031e), 0x02),
+ REG_SEQ0(LANE_REG(041e), 0x02),
+ REG_SEQ0(LANE_REG(051e), 0x02),
+ REG_SEQ0(LANE_REG(061e), 0x0a),
};
static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = {
@@ -1037,7 +1038,8 @@ static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx)
ret = rk_hdptx_post_enable_pll(hdptx);
if (!ret)
- hdptx->hw_rate = hdptx->hdmi_cfg.tmds_char_rate;
+ hdptx->hw_rate = DIV_ROUND_CLOSEST_ULL(hdptx->hdmi_cfg.tmds_char_rate * 8,
+ hdptx->hdmi_cfg.bpc);
return ret;
}
@@ -1895,19 +1897,20 @@ static long rk_hdptx_phy_clk_round_rate(struct clk_hw *hw, unsigned long rate,
* hence ensure rk_hdptx_phy_clk_set_rate() won't be invoked with
* a different rate argument.
*/
- return hdptx->hdmi_cfg.tmds_char_rate;
+ return DIV_ROUND_CLOSEST_ULL(hdptx->hdmi_cfg.tmds_char_rate * 8, hdptx->hdmi_cfg.bpc);
}
static int rk_hdptx_phy_clk_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
+ unsigned long long tmds_rate = DIV_ROUND_CLOSEST_ULL(rate * hdptx->hdmi_cfg.bpc, 8);
/* Revert any unlikely TMDS char rate change since round_rate() */
- if (hdptx->hdmi_cfg.tmds_char_rate != rate) {
- dev_warn(hdptx->dev, "Reverting unexpected rate change from %lu to %llu\n",
- rate, hdptx->hdmi_cfg.tmds_char_rate);
- hdptx->hdmi_cfg.tmds_char_rate = rate;
+ if (hdptx->hdmi_cfg.tmds_char_rate != tmds_rate) {
+ dev_warn(hdptx->dev, "Reverting unexpected rate change from %llu to %llu\n",
+ tmds_rate, hdptx->hdmi_cfg.tmds_char_rate);
+ hdptx->hdmi_cfg.tmds_char_rate = tmds_rate;
}
/*