diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_combo_phy.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 019c48748dc9..844ae4529a20 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1846,6 +1846,9 @@ enum i915_power_well_id { #define VOLTAGE_INFO_MASK (3 << 24) #define VOLTAGE_INFO_SHIFT 24 +#define ICL_PORT_COMP_DW8(port) _MMIO(_ICL_PORT_COMP_DW(8, port)) +#define IREFGEN (1 << 24) + #define CNL_PORT_COMP_DW9 _MMIO(0x162124) #define ICL_PORT_COMP_DW9(port) _MMIO(_ICL_PORT_COMP_DW(9, port)) diff --git a/drivers/gpu/drm/i915/intel_combo_phy.c b/drivers/gpu/drm/i915/intel_combo_phy.c index 19a9333b727a..98213cc58736 100644 --- a/drivers/gpu/drm/i915/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/intel_combo_phy.c @@ -275,6 +275,12 @@ static void icl_combo_phys_init(struct drm_i915_private *dev_priv) cnl_set_procmon_ref_values(dev_priv, port); + if (port == PORT_A) { + val = I915_READ(ICL_PORT_COMP_DW8(port)); + val |= IREFGEN; + I915_WRITE(ICL_PORT_COMP_DW8(port), val); + } + val = I915_READ(ICL_PORT_COMP_DW0(port)); val |= COMP_INIT; I915_WRITE(ICL_PORT_COMP_DW0(port), val); |