1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_ipp_gamma.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_ipp_gamma.c
new file mode 100644
index 000000000000..eacb14e40d52
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_ipp_gamma.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2012-15 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 "include/logger_interface.h"
+#include "include/fixed31_32.h"
+#include "basics/conversion.h"
+
+#include "dce/dce_8_0_d.h"
+#include "dce/dce_8_0_sh_mask.h"
+
+#include "dce80_ipp.h"
+#include "dce110/dce110_ipp.h"
+#include "gamma_types.h"
+
+#define DCP_REG(reg)\
+	(reg + ipp80->offsets.dcp_offset)
+
+enum {
+	MAX_INPUT_LUT_ENTRY = 256
+};
+
+/*PROTOTYPE DECLARATIONS*/
+
+static void set_legacy_input_gamma_mode(
+	struct dce110_ipp *ipp80,
+	bool is_legacy);
+
+void dce80_ipp_set_legacy_input_gamma_mode(
+		struct input_pixel_processor *ipp,
+		bool is_legacy)
+{
+	struct dce110_ipp *ipp80 = TO_DCE80_IPP(ipp);
+
+	set_legacy_input_gamma_mode(ipp80, is_legacy);
+}
+
+static void set_legacy_input_gamma_mode(
+	struct dce110_ipp *ipp80,
+	bool is_legacy)
+{
+	const uint32_t addr = DCP_REG(mmINPUT_GAMMA_CONTROL);
+	uint32_t value = dm_read_reg(ipp80->base.ctx, addr);
+
+	set_reg_field_value(
+		value,
+		!is_legacy,
+		INPUT_GAMMA_CONTROL,
+		GRPH_INPUT_GAMMA_MODE);
+
+	dm_write_reg(ipp80->base.ctx, addr, value);
+}
+