drm/i915: Add chv port D TX wells

Add the TX wells for port D. The Punit subsystem numbers are a total
guess at this time. Also I'm not sure these even exist. Certainly the
Punit in current hardware doesn't deal with these.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

2 files changed, 27 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9d54aee6f8c8..e01a1a0b9613 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -527,6 +527,10 @@ enum punit_power_well {
         PUNIT_POWER_WELL_DPIO_RX0               = 10,
         PUNIT_POWER_WELL_DPIO_RX1               = 11,
         PUNIT_POWER_WELL_DPIO_CMN_D             = 12,
+        /* FIXME: guesswork below */
+        PUNIT_POWER_WELL_DPIO_TX_D_LANES_01     = 13,
+        PUNIT_POWER_WELL_DPIO_TX_D_LANES_23     = 14,
+        PUNIT_POWER_WELL_DPIO_RX2               = 15,
 
         PUNIT_POWER_WELL_NUM,
 };
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 59157635d418..f4a1837c231c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6616,6 +6616,15 @@ EXPORT_SYMBOL_GPL(i915_get_cdclk_freq);
         BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |  \
         BIT(POWER_DOMAIN_INIT))
 
+#define CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS (  \
+        BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) |  \
+        BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |  \
+        BIT(POWER_DOMAIN_INIT))
+
+#define CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS (  \
+        BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |  \
+        BIT(POWER_DOMAIN_INIT))
+
 static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
         .sync_hw = i9xx_always_on_power_well_noop,
         .enable = i9xx_always_on_power_well_noop,
@@ -6833,6 +6842,20 @@ static struct i915_power_well chv_power_wells[] = {
                 .ops = &vlv_dpio_power_well_ops,
                 .data = PUNIT_POWER_WELL_DPIO_TX_C_LANES_23,
         },
+        {
+                .name = "dpio-tx-d-01",
+                .domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |
+                           CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,
+                .ops = &vlv_dpio_power_well_ops,
+                .data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_01,
+        },
+        {
+                .name = "dpio-tx-d-23",
+                .domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |
+                           CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,
+                .ops = &vlv_dpio_power_well_ops,
+                .data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_23,
+        },
 #endif
 };