patches.baytrail/0892-drm-i915-Add-POWER_DOMAIN_VGA.patch

From ced11233a99f59a6b71e0ce315e80577d28f2f32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 16 Sep 2013 17:38:30 +0300
Subject: drm/i915: Add POWER_DOMAIN_VGA
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VGA registers/memory live inside the the display power well. Add a power
domain for VGA.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit cdf8dd7f888bb8b48adf2ae3babc5aad4b1a7a1e)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 1 +
 drivers/gpu/drm/i915/intel_pm.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 09a5c829168c..8c52cbdb76f3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -99,6 +99,7 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_TRANSCODER_B,
 	POWER_DOMAIN_TRANSCODER_C,
 	POWER_DOMAIN_TRANSCODER_EDP = POWER_DOMAIN_TRANSCODER_A + 0xF,
+	POWER_DOMAIN_VGA,
 };
 
 #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 99f4eadb1af3..4692f8cb7724 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5283,6 +5283,7 @@ bool intel_display_power_enabled(struct drm_device *dev,
 	case POWER_DOMAIN_PIPE_A:
 	case POWER_DOMAIN_TRANSCODER_EDP:
 		return true;
+	case POWER_DOMAIN_VGA:
 	case POWER_DOMAIN_PIPE_B:
 	case POWER_DOMAIN_PIPE_C:
 	case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
@@ -5371,6 +5372,7 @@ void intel_display_power_get(struct drm_device *dev,
 	case POWER_DOMAIN_PIPE_A:
 	case POWER_DOMAIN_TRANSCODER_EDP:
 		return;
+	case POWER_DOMAIN_VGA:
 	case POWER_DOMAIN_PIPE_B:
 	case POWER_DOMAIN_PIPE_C:
 	case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
@@ -5401,6 +5403,7 @@ void intel_display_power_put(struct drm_device *dev,
 	case POWER_DOMAIN_PIPE_A:
 	case POWER_DOMAIN_TRANSCODER_EDP:
 		return;
+	case POWER_DOMAIN_VGA:
 	case POWER_DOMAIN_PIPE_B:
 	case POWER_DOMAIN_PIPE_C:
 	case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
-- 
1.8.5.rc3