drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 149 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
new file mode 100644
index 000000000000..7abfe34dc2d9
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+
+
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_FREESYNC_H_
+#define MOD_FREESYNC_H_
+
+#include "dm_services.h"
+
+struct mod_freesync *mod_freesync_create(struct dc *dc);
+void mod_freesync_destroy(struct mod_freesync *mod_freesync);
+
+struct mod_freesync {
+	int dummy;
+};
+
+enum mod_freesync_state {
+	FREESYNC_STATE_NONE,
+	FREESYNC_STATE_FULLSCREEN,
+	FREESYNC_STATE_STATIC_SCREEN,
+	FREESYNC_STATE_VIDEO
+};
+
+enum mod_freesync_user_enable_mask {
+	FREESYNC_USER_ENABLE_STATIC = 0x1,
+	FREESYNC_USER_ENABLE_VIDEO = 0x2,
+	FREESYNC_USER_ENABLE_GAMING = 0x4
+};
+
+struct mod_freesync_user_enable {
+	bool enable_for_static;
+	bool enable_for_video;
+	bool enable_for_gaming;
+};
+
+struct mod_freesync_caps {
+	bool supported;
+	unsigned int min_refresh_in_micro_hz;
+	unsigned int max_refresh_in_micro_hz;
+
+	bool btr_supported;
+};
+
+struct mod_freesync_params {
+	enum mod_freesync_state state;
+	bool enable;
+	unsigned int update_duration_in_ns;
+	bool windowed_fullscreen;
+};
+
+/*
+ * Add stream to be tracked by module
+ */
+bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
+		const struct dc_stream *stream, struct mod_freesync_caps *caps);
+
+/*
+ * Remove stream to be tracked by module
+ */
+bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
+		const struct dc_stream *stream);
+
+/*
+ * Build additional parameters for dc_stream when creating stream for
+ * sink to support freesync
+ */
+void mod_freesync_update_stream(struct mod_freesync *mod_freesync,
+		struct dc_stream *stream);
+
+/*
+ * Update the freesync state flags for each display and program
+ * freesync accordingly
+ */
+void mod_freesync_update_state(struct mod_freesync *mod_freesync,
+		const struct dc_stream **streams, int num_streams,
+		struct mod_freesync_params *freesync_params);
+
+bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
+		const struct dc_stream *stream,
+		struct mod_freesync_params *freesync_params);
+
+bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
+		const struct dc_stream **streams, int num_streams,
+		struct mod_freesync_user_enable *user_enable);
+
+bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
+		const struct dc_stream *stream,
+		struct mod_freesync_user_enable *user_enable);
+
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+		const struct dc_stream **streams, int num_streams);
+
+void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
+		const struct dc_stream **streams, int num_streams);
+
+void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
+		const struct dc_stream **streams, int num_streams,
+		unsigned int curr_time_stamp);
+
+#endif