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path: root/drivers/gpu/drm/i915/display/intel_combo_phy.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_combo_phy.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_combo_phy.c48
1 files changed, 15 insertions, 33 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c
index 8b870b2dd4f9..922a6d87b553 100644
--- a/drivers/gpu/drm/i915/display/intel_combo_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c
@@ -78,14 +78,11 @@ static void icl_set_procmon_ref_values(struct drm_i915_private *dev_priv,
enum phy phy)
{
const struct icl_procmon *procmon;
- u32 val;
procmon = icl_get_procmon_ref_values(dev_priv, phy);
- val = intel_de_read(dev_priv, ICL_PORT_COMP_DW1(phy));
- val &= ~((0xff << 16) | 0xff);
- val |= procmon->dw1;
- intel_de_write(dev_priv, ICL_PORT_COMP_DW1(phy), val);
+ intel_de_rmw(dev_priv, ICL_PORT_COMP_DW1(phy),
+ (0xff << 16) | 0xff, procmon->dw1);
intel_de_write(dev_priv, ICL_PORT_COMP_DW9(phy), procmon->dw9);
intel_de_write(dev_priv, ICL_PORT_COMP_DW10(phy), procmon->dw10);
@@ -236,8 +233,7 @@ static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv,
ICL_PORT_TX_DW8_ODCC_CLK_DIV_SEL_DIV2);
ret &= check_phy_reg(dev_priv, phy, ICL_PORT_PCS_DW1_LN(0, phy),
- DCC_MODE_SELECT_MASK,
- DCC_MODE_SELECT_CONTINUOSLY);
+ DCC_MODE_SELECT_MASK, RUN_DCC_ONCE);
}
ret &= icl_verify_procmon_ref_values(dev_priv, phy);
@@ -267,7 +263,6 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
int lane_count, bool lane_reversal)
{
u8 lane_mask;
- u32 val;
if (is_dsi) {
drm_WARN_ON(&dev_priv->drm, lane_reversal);
@@ -308,10 +303,8 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
}
}
- val = intel_de_read(dev_priv, ICL_PORT_CL_DW10(phy));
- val &= ~PWR_DOWN_LN_MASK;
- val |= lane_mask;
- intel_de_write(dev_priv, ICL_PORT_CL_DW10(phy), val);
+ intel_de_rmw(dev_priv, ICL_PORT_CL_DW10(phy),
+ PWR_DOWN_LN_MASK, lane_mask);
}
static void icl_combo_phys_init(struct drm_i915_private *dev_priv)
@@ -360,25 +353,19 @@ skip_phy_misc:
val = intel_de_read(dev_priv, ICL_PORT_PCS_DW1_LN(0, phy));
val &= ~DCC_MODE_SELECT_MASK;
- val |= DCC_MODE_SELECT_CONTINUOSLY;
+ val |= RUN_DCC_ONCE;
intel_de_write(dev_priv, ICL_PORT_PCS_DW1_GRP(phy), val);
}
icl_set_procmon_ref_values(dev_priv, phy);
- if (phy_is_master(dev_priv, phy)) {
- val = intel_de_read(dev_priv, ICL_PORT_COMP_DW8(phy));
- val |= IREFGEN;
- intel_de_write(dev_priv, ICL_PORT_COMP_DW8(phy), val);
- }
-
- val = intel_de_read(dev_priv, ICL_PORT_COMP_DW0(phy));
- val |= COMP_INIT;
- intel_de_write(dev_priv, ICL_PORT_COMP_DW0(phy), val);
+ if (phy_is_master(dev_priv, phy))
+ intel_de_rmw(dev_priv, ICL_PORT_COMP_DW8(phy),
+ 0, IREFGEN);
- val = intel_de_read(dev_priv, ICL_PORT_CL_DW5(phy));
- val |= CL_POWER_DOWN_ENABLE;
- intel_de_write(dev_priv, ICL_PORT_CL_DW5(phy), val);
+ intel_de_rmw(dev_priv, ICL_PORT_COMP_DW0(phy), 0, COMP_INIT);
+ intel_de_rmw(dev_priv, ICL_PORT_CL_DW5(phy),
+ 0, CL_POWER_DOWN_ENABLE);
}
}
@@ -387,8 +374,6 @@ static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv)
enum phy phy;
for_each_combo_phy_reverse(dev_priv, phy) {
- u32 val;
-
if (phy == PHY_A &&
!icl_combo_phy_verify_state(dev_priv, phy)) {
if (IS_TIGERLAKE(dev_priv) || IS_DG1(dev_priv)) {
@@ -410,14 +395,11 @@ static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv)
if (!has_phy_misc(dev_priv, phy))
goto skip_phy_misc;
- val = intel_de_read(dev_priv, ICL_PHY_MISC(phy));
- val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN;
- intel_de_write(dev_priv, ICL_PHY_MISC(phy), val);
+ intel_de_rmw(dev_priv, ICL_PHY_MISC(phy), 0,
+ ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN);
skip_phy_misc:
- val = intel_de_read(dev_priv, ICL_PORT_COMP_DW0(phy));
- val &= ~COMP_INIT;
- intel_de_write(dev_priv, ICL_PORT_COMP_DW0(phy), val);
+ intel_de_rmw(dev_priv, ICL_PORT_COMP_DW0(phy), COMP_INIT, 0);
}
}