Commit deea06b4 authored by Lucas De Marchi's avatar Lucas De Marchi

drm/i915/tgl: apply Display WA #1178 to fix type C dongles

Add port C to workaround to cover Tiger Lake.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708231629.9296-22-lucas.demarchi@intel.comReviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711213517.13674-1-lucas.demarchi@intel.com
parent 55cd5048
......@@ -453,6 +453,7 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
int pw_idx = power_well->desc->hsw.idx;
enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx);
u32 val;
int wa_idx_max;
val = I915_READ(regs->driver);
I915_WRITE(regs->driver, val | HSW_PWR_WELL_CTL_REQ(pw_idx));
......@@ -462,9 +463,14 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
hsw_wait_for_power_well_enable(dev_priv, power_well);
/* Display WA #1178: icl */
if (IS_ICELAKE(dev_priv) &&
pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B &&
/* Display WA #1178: icl, tgl */
if (IS_TIGERLAKE(dev_priv))
wa_idx_max = ICL_PW_CTL_IDX_AUX_C;
else
wa_idx_max = ICL_PW_CTL_IDX_AUX_B;
if (!IS_ELKHARTLAKE(dev_priv) &&
pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= wa_idx_max &&
!intel_bios_is_port_edp(dev_priv, (enum port)phy)) {
val = I915_READ(ICL_AUX_ANAOVRD1(pw_idx));
val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS;
......
......@@ -9244,9 +9244,11 @@ enum skl_power_gate {
#define _ICL_AUX_REG_IDX(pw_idx) ((pw_idx) - ICL_PW_CTL_IDX_AUX_A)
#define _ICL_AUX_ANAOVRD1_A 0x162398
#define _ICL_AUX_ANAOVRD1_B 0x6C398
#define _TGL_AUX_ANAOVRD1_C 0x160398
#define ICL_AUX_ANAOVRD1(pw_idx) _MMIO(_PICK(_ICL_AUX_REG_IDX(pw_idx), \
_ICL_AUX_ANAOVRD1_A, \
_ICL_AUX_ANAOVRD1_B))
_ICL_AUX_ANAOVRD1_B, \
_TGL_AUX_ANAOVRD1_C))
#define ICL_AUX_ANAOVRD1_LDO_BYPASS (1 << 7)
#define ICL_AUX_ANAOVRD1_ENABLE (1 << 0)
......
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