[Intel-gfx] [PATCH 15/43] drm/i915: add inte_crt->adpa_reg

[Daniel Vetter]

With the base addresses shifting around, this is easier to handle.
Also move to the real reg offset on vlv.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_reg.h  |    1 +
 drivers/gpu/drm/i915/intel_crt.c |   23 ++++++++++++++++-------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 052d470..3b9c65e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1543,6 +1543,7 @@
 /* VGA port control */
 #define ADPA			0x61100
 #define PCH_ADPA                0xe1100
+#define VLV_ADPA		(VLV_DISPLAY_BASE + ADPA)
 
 #define   ADPA_DAC_ENABLE	(1<<31)
 #define   ADPA_DAC_DISABLE	0
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 61d55d3..8babc10 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -47,6 +47,7 @@
 struct intel_crt {
 	struct intel_encoder base;
 	bool force_hotplug_required;
+	u32 adpa_reg;
 };
 
 static struct intel_crt *intel_attached_crt(struct drm_connector *connector)
@@ -55,6 +56,11 @@ static struct intel_crt *intel_attached_crt(struct drm_connector *connector)
 			    struct intel_crt, base);
 }
 
+static struct intel_crt *intel_encoder_to_crt(struct intel_encoder *encoder)
+{
+	return container_of(encoder, struct intel_crt, base);
+}
+
 static void pch_crt_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_device *dev = encoder->dev;
@@ -145,19 +151,15 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 
 	struct drm_device *dev = encoder->dev;
 	struct drm_crtc *crtc = encoder->crtc;
+	struct intel_crt *crt =
+		intel_encoder_to_crt(to_intel_encoder(encoder));
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int dpll_md_reg;
 	u32 adpa, dpll_md;
-	u32 adpa_reg;
 
 	dpll_md_reg = DPLL_MD(intel_crtc->pipe);
 
-	if (HAS_PCH_SPLIT(dev))
-		adpa_reg = PCH_ADPA;
-	else
-		adpa_reg = ADPA;
-
 	/*
 	 * Disable separate mode multiplier used when cloning SDVO to CRT
 	 * XXX this needs to be adjusted when we really are cloning
@@ -185,7 +187,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 	if (!HAS_PCH_SPLIT(dev))
 		I915_WRITE(BCLRPAT(intel_crtc->pipe), 0);
 
-	I915_WRITE(adpa_reg, adpa);
+	I915_WRITE(crt->adpa_reg, adpa);
 }
 
 static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
@@ -682,6 +684,13 @@ void intel_crt_init(struct drm_device *dev)
 	else
 		encoder_helper_funcs = &gmch_encoder_funcs;
 
+	if (HAS_PCH_SPLIT(dev))
+		crt->adpa_reg = PCH_ADPA;
+	else if (IS_VALLEYVIEW(dev))
+		crt->adpa_reg = VLV_ADPA;
+	else
+		crt->adpa_reg = ADPA;
+
 	drm_encoder_helper_add(&crt->base.base, encoder_helper_funcs);
 	drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
 
-- 
1.7.7.6