diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_combo_phy.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_combo_phy.c | 106 |
1 files changed, 20 insertions, 86 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c index 487c54cd5982..bacdf8a16bcb 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c @@ -23,9 +23,9 @@ enum { PROCMON_1_05V_DOT_1, }; -static const struct cnl_procmon { +static const struct icl_procmon { u32 dw1, dw9, dw10; -} cnl_procmon_values[] = { +} icl_procmon_values[] = { [PROCMON_0_85V_DOT_0] = { .dw1 = 0x00000000, .dw9 = 0x62AB67BB, .dw10 = 0x51914F96, }, [PROCMON_0_95V_DOT_0] = @@ -38,15 +38,10 @@ static const struct cnl_procmon { { .dw1 = 0x00440000, .dw9 = 0x9A00AB25, .dw10 = 0x8AE38FF1, }, }; -/* - * CNL has just one set of registers, while gen11 has a set for each combo PHY. - * The CNL registers are equivalent to the gen11 PHY A registers, that's why we - * call the ICL macros even though the function has CNL on its name. - */ -static const struct cnl_procmon * -cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) +static const struct icl_procmon * +icl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) { - const struct cnl_procmon *procmon; + const struct icl_procmon *procmon; u32 val; val = intel_de_read(dev_priv, ICL_PORT_COMP_DW3(phy)); @@ -55,32 +50,32 @@ cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) MISSING_CASE(val); fallthrough; case VOLTAGE_INFO_0_85V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_0_85V_DOT_0]; + procmon = &icl_procmon_values[PROCMON_0_85V_DOT_0]; break; case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_0]; + procmon = &icl_procmon_values[PROCMON_0_95V_DOT_0]; break; case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_1: - procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_1]; + procmon = &icl_procmon_values[PROCMON_0_95V_DOT_1]; break; case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_0]; + procmon = &icl_procmon_values[PROCMON_1_05V_DOT_0]; break; case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_1: - procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_1]; + procmon = &icl_procmon_values[PROCMON_1_05V_DOT_1]; break; } return procmon; } -static void cnl_set_procmon_ref_values(struct drm_i915_private *dev_priv, +static void icl_set_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) { - const struct cnl_procmon *procmon; + const struct icl_procmon *procmon; u32 val; - procmon = cnl_get_procmon_ref_values(dev_priv, phy); + procmon = icl_get_procmon_ref_values(dev_priv, phy); val = intel_de_read(dev_priv, ICL_PORT_COMP_DW1(phy)); val &= ~((0xff << 16) | 0xff); @@ -109,13 +104,13 @@ static bool check_phy_reg(struct drm_i915_private *dev_priv, return true; } -static bool cnl_verify_procmon_ref_values(struct drm_i915_private *dev_priv, +static bool icl_verify_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) { - const struct cnl_procmon *procmon; + const struct icl_procmon *procmon; bool ret; - procmon = cnl_get_procmon_ref_values(dev_priv, phy); + procmon = icl_get_procmon_ref_values(dev_priv, phy); ret = check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW1(phy), (0xff << 16) | 0xff, procmon->dw1); @@ -127,61 +122,6 @@ static bool cnl_verify_procmon_ref_values(struct drm_i915_private *dev_priv, return ret; } -static bool cnl_combo_phy_enabled(struct drm_i915_private *dev_priv) -{ - return !(intel_de_read(dev_priv, CHICKEN_MISC_2) & CNL_COMP_PWR_DOWN) && - (intel_de_read(dev_priv, CNL_PORT_COMP_DW0) & COMP_INIT); -} - -static bool cnl_combo_phy_verify_state(struct drm_i915_private *dev_priv) -{ - enum phy phy = PHY_A; - bool ret; - - if (!cnl_combo_phy_enabled(dev_priv)) - return false; - - ret = cnl_verify_procmon_ref_values(dev_priv, phy); - - ret &= check_phy_reg(dev_priv, phy, CNL_PORT_CL1CM_DW5, - CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE); - - return ret; -} - -static void cnl_combo_phys_init(struct drm_i915_private *dev_priv) -{ - u32 val; - - val = intel_de_read(dev_priv, CHICKEN_MISC_2); - val &= ~CNL_COMP_PWR_DOWN; - intel_de_write(dev_priv, CHICKEN_MISC_2, val); - - /* Dummy PORT_A to get the correct CNL register from the ICL macro */ - cnl_set_procmon_ref_values(dev_priv, PHY_A); - - val = intel_de_read(dev_priv, CNL_PORT_COMP_DW0); - val |= COMP_INIT; - intel_de_write(dev_priv, CNL_PORT_COMP_DW0, val); - - val = intel_de_read(dev_priv, CNL_PORT_CL1CM_DW5); - val |= CL_POWER_DOWN_ENABLE; - intel_de_write(dev_priv, CNL_PORT_CL1CM_DW5, val); -} - -static void cnl_combo_phys_uninit(struct drm_i915_private *dev_priv) -{ - u32 val; - - if (!cnl_combo_phy_verify_state(dev_priv)) - drm_warn(&dev_priv->drm, - "Combo PHY HW state changed unexpectedly.\n"); - - val = intel_de_read(dev_priv, CHICKEN_MISC_2); - val |= CNL_COMP_PWR_DOWN; - intel_de_write(dev_priv, CHICKEN_MISC_2, val); -} - static bool has_phy_misc(struct drm_i915_private *i915, enum phy phy) { /* @@ -291,7 +231,7 @@ static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv, DCC_MODE_SELECT_CONTINUOSLY); } - ret &= cnl_verify_procmon_ref_values(dev_priv, phy); + ret &= icl_verify_procmon_ref_values(dev_priv, phy); if (phy_is_master(dev_priv, phy)) { ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW8(phy), @@ -415,7 +355,7 @@ skip_phy_misc: intel_de_write(dev_priv, ICL_PORT_PCS_DW1_GRP(phy), val); } - cnl_set_procmon_ref_values(dev_priv, phy); + 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)); @@ -474,16 +414,10 @@ skip_phy_misc: void intel_combo_phy_init(struct drm_i915_private *i915) { - if (DISPLAY_VER(i915) >= 11) - icl_combo_phys_init(i915); - else if (IS_CANNONLAKE(i915)) - cnl_combo_phys_init(i915); + icl_combo_phys_init(i915); } void intel_combo_phy_uninit(struct drm_i915_private *i915) { - if (DISPLAY_VER(i915) >= 11) - icl_combo_phys_uninit(i915); - else if (IS_CANNONLAKE(i915)) - cnl_combo_phys_uninit(i915); + icl_combo_phys_uninit(i915); } |