1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
new file mode 100644
index 000000000000..71993d5983bf
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2015 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
+ *
+ */
+
+#include "dm_services.h"
+#include "core_types.h"
+#include "timing_generator.h"
+#include "hw_sequencer.h"
+
+/* used as index in array of black_color_format */
+enum black_color_format {
+	BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0,
+	BLACK_COLOR_FORMAT_RGB_LIMITED,
+	BLACK_COLOR_FORMAT_YUV_TV,
+	BLACK_COLOR_FORMAT_YUV_CV,
+	BLACK_COLOR_FORMAT_YUV_SUPER_AA,
+	BLACK_COLOR_FORMAT_DEBUG,
+};
+
+static const struct tg_color black_color_format[] = {
+	/* BlackColorFormat_RGB_FullRange */
+	{0, 0, 0},
+	/* BlackColorFormat_RGB_Limited */
+	{0x40, 0x40, 0x40},
+	/* BlackColorFormat_YUV_TV */
+	{0x200, 0x40, 0x200},
+	/* BlackColorFormat_YUV_CV */
+	{0x1f4, 0x40, 0x1f4},
+	/* BlackColorFormat_YUV_SuperAA */
+	{0x1a2, 0x20, 0x1a2},
+	/* visual confirm debug */
+	{0xff, 0xff, 0},
+};
+
+void color_space_to_black_color(
+	const struct dc *dc,
+	enum dc_color_space colorspace,
+	struct tg_color *black_color)
+{
+	switch (colorspace) {
+	case COLOR_SPACE_YCBCR601:
+	case COLOR_SPACE_YCBCR709:
+	case COLOR_SPACE_YCBCR601_LIMITED:
+	case COLOR_SPACE_YCBCR709_LIMITED:
+		*black_color = black_color_format[BLACK_COLOR_FORMAT_YUV_CV];
+		break;
+
+	case COLOR_SPACE_SRGB_LIMITED:
+		*black_color =
+			black_color_format[BLACK_COLOR_FORMAT_RGB_LIMITED];
+		break;
+
+	default:
+		/* fefault is sRGB black (full range). */
+		*black_color =
+			black_color_format[BLACK_COLOR_FORMAT_RGB_FULLRANGE];
+		/* default is sRGB black 0. */
+		break;
+	}
+}
+
+bool hwss_wait_for_blank_complete(
+		struct timing_generator *tg)
+{
+	int counter;
+
+	for (counter = 0; counter < 100; counter++) {
+		if (tg->funcs->is_blanked(tg))
+			break;
+
+		msleep(1);
+	}
+
+	if (counter == 100) {
+		dm_error("DC: failed to blank crtc!\n");
+		return false;
+	}
+
+	return true;
+}