1 files changed, 0 insertions, 151 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/spl/spl_custom_float.c b/drivers/gpu/drm/amd/display/dc/spl/spl_custom_float.c
deleted file mode 100644
index be2f34d034c5..000000000000
--- a/drivers/gpu/drm/amd/display/dc/spl/spl_custom_float.c
+++ /dev/null
@@ -1,151 +0,0 @@
-// SPDX-License-Identifier: MIT
-//
-// Copyright 2024 Advanced Micro Devices, Inc.
-
-#include "spl_debug.h"
-#include "spl_custom_float.h"
-
-static bool spl_build_custom_float(struct spl_fixed31_32 value,
-			       const struct spl_custom_float_format *format,
-			       bool *negative,
-			       uint32_t *mantissa,
-			       uint32_t *exponenta)
-{
-	uint32_t exp_offset = (1 << (format->exponenta_bits - 1)) - 1;
-
-	const struct spl_fixed31_32 mantissa_constant_plus_max_fraction =
-		spl_fixpt_from_fraction((1LL << (format->mantissa_bits + 1)) - 1,
-				       1LL << format->mantissa_bits);
-
-	struct spl_fixed31_32 mantiss;
-
-	if (spl_fixpt_eq(value, spl_fixpt_zero)) {
-		*negative = false;
-		*mantissa = 0;
-		*exponenta = 0;
-		return true;
-	}
-
-	if (spl_fixpt_lt(value, spl_fixpt_zero)) {
-		*negative = format->sign;
-		value = spl_fixpt_neg(value);
-	} else {
-		*negative = false;
-	}
-
-	if (spl_fixpt_lt(value, spl_fixpt_one)) {
-		uint32_t i = 1;
-
-		do {
-			value = spl_fixpt_shl(value, 1);
-			++i;
-		} while (spl_fixpt_lt(value, spl_fixpt_one));
-
-		--i;
-
-		if (exp_offset <= i) {
-			*mantissa = 0;
-			*exponenta = 0;
-			return true;
-		}
-
-		*exponenta = exp_offset - i;
-	} else if (spl_fixpt_le(mantissa_constant_plus_max_fraction, value)) {
-		uint32_t i = 1;
-
-		do {
-			value = spl_fixpt_shr(value, 1);
-			++i;
-		} while (spl_fixpt_lt(mantissa_constant_plus_max_fraction, value));
-
-		*exponenta = exp_offset + i - 1;
-	} else {
-		*exponenta = exp_offset;
-	}
-
-	mantiss = spl_fixpt_sub(value, spl_fixpt_one);
-
-	if (spl_fixpt_lt(mantiss, spl_fixpt_zero) ||
-	    spl_fixpt_lt(spl_fixpt_one, mantiss))
-		mantiss = spl_fixpt_zero;
-	else
-		mantiss = spl_fixpt_shl(mantiss, format->mantissa_bits);
-
-	*mantissa = spl_fixpt_floor(mantiss);
-
-	return true;
-}
-
-static bool spl_setup_custom_float(const struct spl_custom_float_format *format,
-			       bool negative,
-			       uint32_t mantissa,
-			       uint32_t exponenta,
-			       uint32_t *result)
-{
-	uint32_t i = 0;
-	uint32_t j = 0;
-	uint32_t value = 0;
-
-	/* verification code:
-	 * once calculation is ok we can remove it
-	 */
-
-	const uint32_t mantissa_mask =
-		(1 << (format->mantissa_bits + 1)) - 1;
-
-	const uint32_t exponenta_mask =
-		(1 << (format->exponenta_bits + 1)) - 1;
-
-	if (mantissa & ~mantissa_mask) {
-		SPL_BREAK_TO_DEBUGGER();
-		mantissa = mantissa_mask;
-	}
-
-	if (exponenta & ~exponenta_mask) {
-		SPL_BREAK_TO_DEBUGGER();
-		exponenta = exponenta_mask;
-	}
-
-	/* end of verification code */
-
-	while (i < format->mantissa_bits) {
-		uint32_t mask = 1 << i;
-
-		if (mantissa & mask)
-			value |= mask;
-
-		++i;
-	}
-
-	while (j < format->exponenta_bits) {
-		uint32_t mask = 1 << j;
-
-		if (exponenta & mask)
-			value |= mask << i;
-
-		++j;
-	}
-
-	if (negative && format->sign)
-		value |= 1 << (i + j);
-
-	*result = value;
-
-	return true;
-}
-
-bool spl_convert_to_custom_float_format(struct spl_fixed31_32 value,
-				    const struct spl_custom_float_format *format,
-				    uint32_t *result)
-{
-	uint32_t mantissa;
-	uint32_t exponenta;
-	bool negative;
-
-	return spl_build_custom_float(value, format, &negative, &mantissa, &exponenta) &&
-				  spl_setup_custom_float(format,
-						     negative,
-						     mantissa,
-						     exponenta,
-						     result);
-}