[Intel-gfx] [PATCH v4 19/25] drm/i915/dsc: Add a power domain for VDSC on eDP/MIPI DSI

[Manasi Navare]

On Icelake, a separate power well PG2 is created for
VDSC engine used for eDP/MIPI DSI. This patch adds a new
display power domain for Power well 2.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Imre Deak <imre.deak at intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
---
 drivers/gpu/drm/i915/intel_display.h    |  1 +
 drivers/gpu/drm/i915/intel_runtime_pm.c | 12 ++++++------
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h
index 3fe52788b4cf..bef71d27cdfe 100644
--- a/drivers/gpu/drm/i915/intel_display.h
+++ b/drivers/gpu/drm/i915/intel_display.h
@@ -256,6 +256,7 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_MODESET,
 	POWER_DOMAIN_GT_IRQ,
 	POWER_DOMAIN_INIT,
+	POWER_DOMAIN_VDSC_EDP_MIPI,
 
 	POWER_DOMAIN_NUM,
 };
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 480dadb1047b..146e2d6cf954 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -146,6 +146,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 		return "MODESET";
 	case POWER_DOMAIN_GT_IRQ:
 		return "GT_IRQ";
+	case POWER_DOMAIN_VDSC_EDP_MIPI:
+		return "VDSC_EDP_MIPI";
 	default:
 		MISSING_CASE(domain);
 		return "?";
@@ -1966,18 +1968,16 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 	BIT_ULL(POWER_DOMAIN_AUDIO) |			\
 	BIT_ULL(POWER_DOMAIN_INIT))
 	/*
-	 * - transcoder WD
-	 * - KVMR (HW control)
+ 	 * - eDP/MIPI DSI VDSC
 	 */
 #define ICL_PW_2_POWER_DOMAINS (			\
-	ICL_PW_3_POWER_DOMAINS |			\
-	BIT_ULL(POWER_DOMAIN_INIT))
+	BIT_ULL(POWER_DOMAIN_VDSC_EDP_MIPI))
 	/*
-	 * - eDP/DSI VDSC
+	 * - transcoder WD
 	 * - KVMR (HW control)
 	 */
 #define ICL_DISPLAY_DC_OFF_POWER_DOMAINS (		\
-	ICL_PW_2_POWER_DOMAINS |			\
+	ICL_PW_3_POWER_DOMAINS |			\
 	BIT_ULL(POWER_DOMAIN_MODESET) |			\
 	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
 	BIT_ULL(POWER_DOMAIN_INIT))
-- 
2.18.0