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authorJani Nikula <jani.nikula@intel.com>2022-11-09 16:42:06 +0200
committerJani Nikula <jani.nikula@intel.com>2022-11-17 16:12:56 +0200
commit03120feffb21703bb4d61ae85c574889c6cb13d7 (patch)
tree8a9b08c25598a9cc2f380c7829b2d184751ac103 /drivers/gpu/drm/i915/display/intel_hti.h
parent164312df95a6704da99e528b652720d007500413 (diff)
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drm/i915/hti: abstract hti handling
The HTI or HDPORT handling is sprinkled around. Centralize to one place. Add a note about how subtle the mapping from HDPORT_STATE register to dpll mask actually is. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221109144209.3624739-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hti.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hti.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hti.h b/drivers/gpu/drm/i915/display/intel_hti.h
new file mode 100644
index 000000000000..2893d6668657
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_hti.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __INTEL_HTI_H__
+#define __INTEL_HTI_H__
+
+#include <linux/types.h>
+
+struct drm_i915_private;
+enum phy;
+
+void intel_hti_init(struct drm_i915_private *i915);
+bool intel_hti_uses_phy(struct drm_i915_private *i915, enum phy phy);
+u32 intel_hti_dpll_mask(struct drm_i915_private *i915);
+
+#endif /* __INTEL_HTI_H__ */