PSR requires AUX IO well to be kept on and the existing AUX domain
enables other wells too.

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
---
 drivers/gpu/drm/i915/intel_display.h    |  5 +++++
 drivers/gpu/drm/i915/intel_dp.c         |  6 ++++++
 drivers/gpu/drm/i915/intel_drv.h        |  1 +
 drivers/gpu/drm/i915/intel_psr.c        |  4 ++++
 drivers/gpu/drm/i915/intel_runtime_pm.c | 15 +++++++++++++++
 5 files changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.h 
b/drivers/gpu/drm/i915/intel_display.h
index c4042e342f50..9857b60a7e0f 100644
--- a/drivers/gpu/drm/i915/intel_display.h
+++ b/drivers/gpu/drm/i915/intel_display.h
@@ -175,6 +175,11 @@ enum intel_display_power_domain {
        POWER_DOMAIN_AUX_C,
        POWER_DOMAIN_AUX_D,
        POWER_DOMAIN_AUX_F,
+       POWER_DOMAIN_AUX_IO_A,
+       POWER_DOMAIN_AUX_IO_B,
+       POWER_DOMAIN_AUX_IO_C,
+       POWER_DOMAIN_AUX_IO_D,
+       POWER_DOMAIN_AUX_IO_F,
        POWER_DOMAIN_GMBUS,
        POWER_DOMAIN_MODESET,
        POWER_DOMAIN_GT_IRQ,
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f20b25f98e5a..aa90f6a70689 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -6280,22 +6280,28 @@ intel_dp_init_connector_port_info(struct 
intel_digital_port *intel_dig_port)
        switch (encoder->port) {
        case PORT_A:
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_A;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_A;
                break;
        case PORT_B:
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_B;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_B;
                break;
        case PORT_C:
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_C;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_C;
                break;
        case PORT_D:
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_D;
                break;
        case PORT_E:
                /* FIXME: Check VBT for actual wiring of PORT E */
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_D;
                break;
        case PORT_F:
                intel_dp->aux_power_domain = POWER_DOMAIN_AUX_F;
+               intel_dp->aux_io_power_domain = POWER_DOMAIN_AUX_IO_F;
                break;
        default:
                MISSING_CASE(encoder->port);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 898064e8bea7..c7c4180e41d8 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1071,6 +1071,7 @@ struct intel_dp {
        struct drm_dp_desc desc;
        struct drm_dp_aux aux;
        enum intel_display_power_domain aux_power_domain;
+       enum intel_display_power_domain aux_io_power_domain;
        uint8_t train_set[4];
        int panel_power_up_delay;
        int panel_power_down_delay;
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 2ef374f936b9..62de8f0632b0 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -484,6 +484,8 @@ static void hsw_psr_enable_source(struct intel_dp *intel_dp,
                           EDP_PSR_DEBUG_MASK_HPD |
                           EDP_PSR_DEBUG_MASK_LPSP);
        }
+
+       intel_display_power_get(dev_priv, intel_dp->aux_io_power_domain);
 }
 
 /**
@@ -617,6 +619,8 @@ static void hsw_psr_disable(struct intel_dp *intel_dp,
                else
                        WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE);
        }
+
+       intel_display_power_put(dev_priv, intel_dp->aux_io_power_domain);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c 
b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 16790f2576ec..323c1babb0a0 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -130,6 +130,16 @@ intel_display_power_domain_str(enum 
intel_display_power_domain domain)
                return "AUX_D";
        case POWER_DOMAIN_AUX_F:
                return "AUX_F";
+       case POWER_DOMAIN_AUX_IO_A:
+               return "AUX_IO_A";
+       case POWER_DOMAIN_AUX_IO_B:
+               return "AUX_IO_B";
+       case POWER_DOMAIN_AUX_IO_C:
+               return "AUX_IO_C";
+       case POWER_DOMAIN_AUX_IO_D:
+               return "AUX_IO_D";
+       case POWER_DOMAIN_AUX_IO_F:
+               return "AUX_IO_F";
        case POWER_DOMAIN_GMBUS:
                return "GMBUS";
        case POWER_DOMAIN_INIT:
@@ -1853,18 +1863,23 @@ void intel_display_power_put(struct drm_i915_private 
*dev_priv,
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_AUX_A_POWER_DOMAINS (              \
        BIT_ULL(POWER_DOMAIN_AUX_A) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_IO_A) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_AUX_B_POWER_DOMAINS (              \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_IO_B) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_AUX_C_POWER_DOMAINS (              \
        BIT_ULL(POWER_DOMAIN_AUX_C) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_IO_C) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_AUX_D_POWER_DOMAINS (              \
        BIT_ULL(POWER_DOMAIN_AUX_D) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_IO_D) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_AUX_F_POWER_DOMAINS (              \
        BIT_ULL(POWER_DOMAIN_AUX_F) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_IO_F) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS (           \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO) |           \
-- 
2.14.1

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