drm/amd/display: Fix compilation error

[Why]
The C standard does not specify whether an enum is signed or unsigned.
In the function prototype, one of the argument is defined as an enum
but its declaration was unit32_t. Fix this by changing the function
argument to enum in the declaration.
Signed-off-by: Tao.Huang <Tao.Huang@amd.com>
Signed-off-by: Florin Iucha <florin.iucha@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.h

@@ -585,7 +585,7 @@ void dpp3_cm_set_gamut_remap(
 		const struct dpp_grph_csc_adjustment *adjust);
 
 void dpp3_set_pre_degam(struct dpp *dpp_base,
-		uint32_t degamma_lut_selection);
+		enum dc_transfer_func_predefined tr);
 
 void dpp3_set_cursor_attributes(
 		struct dpp *dpp_base,

drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c

@@ -51,7 +51,7 @@ static void get_qp_set(qp_set qps, enum colour_mode cm, enum bits_per_comp bpc,
 	const struct qp_entry *table = 0L;
 
 	// alias enum
-	enum { min = MM_MIN, max = MM_MAX };
+	enum { min = DAL_MM_MIN, max = DAL_MM_MAX };
 	switch (sel) {
 		TABLE_CASE(444,  8, max);
 		TABLE_CASE(444,  8, min);
@@ -233,8 +233,8 @@ static void _do_calc_rc_params(struct rc_params *rc, enum colour_mode cm,
 	rc->flatness_max_qp     = ((bpc == BPC_8) ? (12) : ((bpc == BPC_10) ? (16) : (20))) - ((minor_version == 1 && cm == CM_444) ? 1 : 0);
 	rc->flatness_det_thresh = 2 << (bpc - 8);
 
-	get_qp_set(rc->qp_min, cm, bpc, MM_MIN, bpp);
-	get_qp_set(rc->qp_max, cm, bpc, MM_MAX, bpp);
+	get_qp_set(rc->qp_min, cm, bpc, DAL_MM_MIN, bpp);
+	get_qp_set(rc->qp_max, cm, bpc, DAL_MM_MAX, bpp);
 	if (cm == CM_444 && minor_version == 1) {
 		for (i = 0; i < QP_SET_SIZE; ++i) {
 			rc->qp_min[i] = rc->qp_min[i] > 0 ? rc->qp_min[i] - 1 : 0;

drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h

@@ -66,8 +66,8 @@ enum bits_per_comp {
 };
 
 enum max_min {
-	MM_MIN = 0,
-	MM_MAX = 1
+	DAL_MM_MIN = 0,
+	DAL_MM_MAX = 1
 };
 
 struct qp_entry {