drm/i915/bxt: Define BXT power domains

Add BXT power domains

v2: Use DOMAIN_PLLS instead of a new CDCLK one, whitespace fixes
    (Damien)
v3: add VGA, TRANSCODER_A power domains (imre)

Signed-off-by: Satheeshakrishna M <satheeshakrishna.m@intel.com> (v1)
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index ce00e6994eeb..ff5cce32c7d6 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -319,6 +319,38 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
         SKL_DISPLAY_MISC_IO_POWER_DOMAINS)) |           \
         BIT(POWER_DOMAIN_INIT))
 
+#define BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS (         \
+        BIT(POWER_DOMAIN_TRANSCODER_A) |                \
+        BIT(POWER_DOMAIN_PIPE_B) |                      \
+        BIT(POWER_DOMAIN_TRANSCODER_B) |                \
+        BIT(POWER_DOMAIN_PIPE_C) |                      \
+        BIT(POWER_DOMAIN_TRANSCODER_C) |                \
+        BIT(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |         \
+        BIT(POWER_DOMAIN_PIPE_C_PANEL_FITTER) |         \
+        BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) |          \
+        BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) |          \
+        BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) |          \
+        BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) |          \
+        BIT(POWER_DOMAIN_AUX_B) |                       \
+        BIT(POWER_DOMAIN_AUX_C) |                       \
+        BIT(POWER_DOMAIN_AUDIO) |                       \
+        BIT(POWER_DOMAIN_VGA) |                         \
+        BIT(POWER_DOMAIN_INIT))
+#define BXT_DISPLAY_POWERWELL_1_POWER_DOMAINS (         \
+        BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS |         \
+        BIT(POWER_DOMAIN_PIPE_A) |                      \
+        BIT(POWER_DOMAIN_TRANSCODER_EDP) |              \
+        BIT(POWER_DOMAIN_PIPE_A_PANEL_FITTER) |         \
+        BIT(POWER_DOMAIN_PORT_DDI_A_2_LANES) |          \
+        BIT(POWER_DOMAIN_PORT_DDI_A_4_LANES) |          \
+        BIT(POWER_DOMAIN_AUX_A) |                       \
+        BIT(POWER_DOMAIN_PLLS) |                        \
+        BIT(POWER_DOMAIN_INIT))
+#define BXT_DISPLAY_ALWAYS_ON_POWER_DOMAINS (           \
+        (POWER_DOMAIN_MASK & ~(BXT_DISPLAY_POWERWELL_1_POWER_DOMAINS |  \
+        BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS)) |       \
+        BIT(POWER_DOMAIN_INIT))
+
 static void skl_set_power_well(struct drm_i915_private *dev_priv,
                         struct i915_power_well *power_well, bool enable)
 {
@@ -1313,6 +1345,27 @@ static struct i915_power_well skl_power_wells[] = {
         },
 };
 
+static struct i915_power_well bxt_power_wells[] = {
+        {
+                .name = "always-on",
+                .always_on = 1,
+                .domains = BXT_DISPLAY_ALWAYS_ON_POWER_DOMAINS,
+                .ops = &i9xx_always_on_power_well_ops,
+        },
+        {
+                .name = "power well 1",
+                .domains = BXT_DISPLAY_POWERWELL_1_POWER_DOMAINS,
+                .ops = &skl_power_well_ops,
+                .data = SKL_DISP_PW_1,
+        },
+        {
+                .name = "power well 2",
+                .domains = BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS,
+                .ops = &skl_power_well_ops,
+                .data = SKL_DISP_PW_2,
+        }
+};
+
 #define set_power_wells(power_domains, __power_wells) ({                \
         (power_domains)->power_wells = (__power_wells);                 \
         (power_domains)->power_well_count = ARRAY_SIZE(__power_wells);  \
@@ -1341,6 +1394,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
                 set_power_wells(power_domains, bdw_power_wells);
         } else if (IS_SKYLAKE(dev_priv->dev)) {
                 set_power_wells(power_domains, skl_power_wells);
+        } else if (IS_BROXTON(dev_priv->dev)) {
+                set_power_wells(power_domains, bxt_power_wells);
         } else if (IS_CHERRYVIEW(dev_priv->dev)) {
                 set_power_wells(power_domains, chv_power_wells);
         } else if (IS_VALLEYVIEW(dev_priv->dev)) {