[PATCH 22/41] drm/i915: add SFUSE_STRAP registers for digital port detection

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DDIA is detected via the DDI_BUF_CTL registers bit 0, but for DDIB, DDIC
and DDID we need to consult SFUSE_STRAP values.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d9df228..f300f5f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4037,4 +4037,11 @@
 #define   PIPE_WM_LINETIME_TIME(x)			((x))
 #define   PIPE_WM_LINETIME_IPS_LINETIME_MASK	(0x1ff<<16)
 #define   PIPE_WM_LINETIME_IPS_LINETIME(x)		((x)<<16)
+
+/* SFUSE_STRAP */
+#define SFUSE_STRAP				0xc2014
+#define  SFUSE_STRAP_DDIB_DETECTED	(1<<2)
+#define  SFUSE_STRAP_DDIC_DETECTED	(1<<1)
+#define  SFUSE_STRAP_DDID_DETECTED	(1<<0)
+
 #endif /* _I915_REG_H_ */
-- 
1.7.9.5



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