Revert "CHROMIUM: phy/mediatek: phy-mtk-dp: Adjust SSC delta HBR value setting for DP" This reverts commit 0ddee78614246c7a0e7f0643166f84df8fab09eb. Reason for revert: See b/326025335#comment26 Original change's description: > CHROMIUM: phy/mediatek: phy-mtk-dp: Adjust SSC delta HBR value setting for DP > > Through reduce SSC delta HBR value to DP > > BUG=b:317314527 > Test=Use the single port Type-C to HDMI dongle connect to the 4K monitor is not garbage. > UPSTREAM-TASK=b:326878753 > > Change-Id: I3d2d53bbba0d4e1a62e0f81188d80f17bf1be618 > Signed-off-by: Liankun Yang <liankun.yang@mediatek.corp-partner.google.com> > Signed-off-by: Jason Chen <jason-ch.chen@mediatek.corp-partner.google.com> > Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5268741 > Commit-Queue: Fei Shao <fshao@chromium.org> > Reviewed-by: Fei Shao <fshao@chromium.org> > Tested-by: Fei Shao <fshao@chromium.org> BUG=b:317314527, b:326025335 Change-Id: I579229da52a73055d93bb7f244efc5243d0ffe4a Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/6065288 Reviewed-by: Fei Shao <fshao@chromium.org> Commit-Queue: Fei Shao <fshao@chromium.org> Tested-by: Fei Shao <fshao@chromium.org>
diff --git a/drivers/phy/mediatek/phy-mtk-dp.c b/drivers/phy/mediatek/phy-mtk-dp.c index a03579d6..d7024a1 100644 --- a/drivers/phy/mediatek/phy-mtk-dp.c +++ b/drivers/phy/mediatek/phy-mtk-dp.c
@@ -78,9 +78,6 @@ #define DRIVING_PARAM_8_DEFAULT (XTP_LN_TX_LCTXCP1_SW2_PRE1_DEFAULT | \ XTP_LN_TX_LCTXCP1_SW3_PRE0_DEFAULT) -#define MTK_DP_PHY_DIG_DA_REG_14 (PHY_OFFSET + 0xd8) -#define RG_XTP_glb_txpll_ssc_delta1_hbr 0x01fe02b0 - struct mtk_dp_phy { struct regmap *regs; }; @@ -140,8 +137,6 @@ static int mtk_dp_phy_configure(struct phy *phy, union phy_configure_opts *opts) regmap_update_bits(dp_phy->regs, MTK_DP_PHY_DIG_PLL_CTL_1, TPLL_SSC_EN, opts->dp.ssc ? TPLL_SSC_EN : 0); - regmap_write(dp_phy->regs, MTK_DP_PHY_DIG_DA_REG_14, - RG_XTP_glb_txpll_ssc_delta1_hbr); return 0; }