amdgpu/dc: move filter taps to being static const data (v2)

This just adds two accessor methods, and moves all the data
to static const.

v2: fix dcn build.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_scl_filters.c

@@ -25,7 +25,7 @@
 
 #include "transform.h"
 
-const uint16_t filter_2tap_16p[18] = {
+static const uint16_t filter_2tap_16p[18] = {
 	4096, 0,
 	3840, 256,
 	3584, 512,
@@ -37,7 +37,7 @@ const uint16_t filter_2tap_16p[18] = {
 	2048, 2048
 };
 
-const uint16_t filter_3tap_16p_upscale[27] = {
+static const uint16_t filter_3tap_16p_upscale[27] = {
 	2048, 2048, 0,
 	1708, 2424, 16348,
 	1372, 2796, 16308,
@@ -49,7 +49,7 @@ const uint16_t filter_3tap_16p_upscale[27] = {
 	0, 4096, 0
 };
 
-const uint16_t filter_3tap_16p_117[27] = {
+static const uint16_t filter_3tap_16p_117[27] = {
 	2048, 2048, 0,
 	1824, 2276, 16376,
 	1600, 2496, 16380,
@@ -61,7 +61,7 @@ const uint16_t filter_3tap_16p_117[27] = {
 	428, 3236, 428
 };
 
-const uint16_t filter_3tap_16p_150[27] = {
+static const uint16_t filter_3tap_16p_150[27] = {
 	2048, 2048, 0,
 	1872, 2184, 36,
 	1692, 2308, 88,
@@ -73,7 +73,7 @@ const uint16_t filter_3tap_16p_150[27] = {
 	696, 2696, 696
 };
 
-const uint16_t filter_3tap_16p_183[27] = {
+static const uint16_t filter_3tap_16p_183[27] = {
 	2048, 2048, 0,
 	1892, 2104, 92,
 	1744, 2152, 196,
@@ -85,7 +85,7 @@ const uint16_t filter_3tap_16p_183[27] = {
 	900, 2292, 900
 };
 
-const uint16_t filter_4tap_16p_upscale[36] = {
+static const uint16_t filter_4tap_16p_upscale[36] = {
 	0, 4096, 0, 0,
 	16240, 4056, 180, 16380,
 	16136, 3952, 404, 16364,
@@ -97,7 +97,7 @@ const uint16_t filter_4tap_16p_upscale[36] = {
 	16128, 2304, 2304, 16128
 };
 
-const uint16_t filter_4tap_16p_117[36] = {
+static const uint16_t filter_4tap_16p_117[36] = {
 	428, 3236, 428, 0,
 	276, 3232, 604, 16364,
 	148, 3184, 800, 16340,
@@ -109,7 +109,7 @@ const uint16_t filter_4tap_16p_117[36] = {
 	16212, 2216, 2216, 16212
 };
 
-const uint16_t filter_4tap_16p_150[36] = {
+static const uint16_t filter_4tap_16p_150[36] = {
 	696, 2700, 696, 0,
 	560, 2700, 848, 16364,
 	436, 2676, 1008, 16348,
@@ -121,7 +121,7 @@ const uint16_t filter_4tap_16p_150[36] = {
 	16376, 2052, 2052, 16376
 };
 
-const uint16_t filter_4tap_16p_183[36] = {
+static const uint16_t filter_4tap_16p_183[36] = {
 	940, 2208, 940, 0,
 	832, 2200, 1052, 4,
 	728, 2180, 1164, 16,
@@ -133,7 +133,7 @@ const uint16_t filter_4tap_16p_183[36] = {
 	232, 1812, 1812, 232
 };
 
-const uint16_t filter_2tap_64p[66] = {
+static const uint16_t filter_2tap_64p[66] = {
 	4096, 0,
 	4032, 64,
 	3968, 128,
@@ -168,7 +168,7 @@ const uint16_t filter_2tap_64p[66] = {
 	2112, 1984,
 	2048, 2048 };
 
-const uint16_t filter_3tap_64p_upscale[99] = {
+static const uint16_t filter_3tap_64p_upscale[99] = {
 	2048, 2048, 0,
 	1960, 2140, 16376,
 	1876, 2236, 16364,
@@ -204,7 +204,7 @@ const uint16_t filter_3tap_64p_upscale[99] = {
 	0, 4096, 0
 };
 
-const uint16_t filter_3tap_64p_117[99] = {
+static const uint16_t filter_3tap_64p_117[99] = {
 	2048, 2048, 0,
 	1992, 2104, 16380,
 	1936, 2160, 16380,
@@ -240,7 +240,7 @@ const uint16_t filter_3tap_64p_117[99] = {
 	428, 3236, 428
 };
 
-const uint16_t filter_3tap_64p_150[99] = {
+static const uint16_t filter_3tap_64p_150[99] = {
 	2048, 2048, 0,
 	2004, 2080, 8,
 	1960, 2116, 16,
@@ -276,7 +276,7 @@ const uint16_t filter_3tap_64p_150[99] = {
 	696, 2696, 696
 };
 
-const uint16_t filter_3tap_64p_183[99] = {
+static const uint16_t filter_3tap_64p_183[99] = {
 	2048, 2048, 0,
 	2008, 2060, 20,
 	1968, 2076, 44,
@@ -312,7 +312,7 @@ const uint16_t filter_3tap_64p_183[99] = {
 	900, 2292, 900
 };
 
-const uint16_t filter_4tap_64p_upscale[132] = {
+static const uint16_t filter_4tap_64p_upscale[132] = {
 	0, 4096, 0, 0,
 	16344, 4092, 40, 0,
 	16308, 4084, 84, 16380,
@@ -347,7 +347,7 @@ const uint16_t filter_4tap_64p_upscale[132] = {
 	16116, 2388, 2216, 16140,
 	16128, 2304, 2304, 16128 };
 
-const uint16_t filter_4tap_64p_117[132] = {
+static const uint16_t filter_4tap_64p_117[132] = {
 	420, 3248, 420, 0,
 	380, 3248, 464, 16380,
 	344, 3248, 508, 16372,
@@ -382,7 +382,7 @@ const uint16_t filter_4tap_64p_117[132] = {
 	16212, 2276, 2160, 16212,
 	16212, 2220, 2220, 16212 };
 
-const uint16_t filter_4tap_64p_150[132] = {
+static const uint16_t filter_4tap_64p_150[132] = {
 	696, 2700, 696, 0,
 	660, 2704, 732, 16380,
 	628, 2704, 768, 16376,
@@ -417,7 +417,7 @@ const uint16_t filter_4tap_64p_150[132] = {
 	4, 2112, 1996, 16364,
 	16380, 2072, 2036, 16372 };
 
-const uint16_t filter_4tap_64p_183[132] = {
+static const uint16_t filter_4tap_64p_183[132] = {
 	944, 2204, 944, 0,
 	916, 2204, 972, 0,
 	888, 2200, 996, 0,
@@ -452,7 +452,7 @@ const uint16_t filter_4tap_64p_183[132] = {
 	252, 1832, 1784, 220,
 	236, 1808, 1808, 236 };
 
-const uint16_t filter_5tap_64p_upscale[165] = {
+static const uint16_t filter_5tap_64p_upscale[165] = {
 	15936, 2496, 2496, 15936, 0,
 	15948, 2404, 2580, 15924, 0,
 	15960, 2312, 2664, 15912, 4,
@@ -487,7 +487,7 @@ const uint16_t filter_5tap_64p_upscale[165] = {
 	16376, 48, 4092, 16336, 4,
 	0, 0, 4096, 0, 0 };
 
-const uint16_t filter_5tap_64p_117[165] = {
+static const uint16_t filter_5tap_64p_117[165] = {
 	16056, 2372, 2372, 16056, 0,
 	16052, 2312, 2432, 16060, 0,
 	16052, 2252, 2488, 16064, 0,
@@ -522,7 +522,7 @@ const uint16_t filter_5tap_64p_117[165] = {
 	16248, 504, 3428, 408, 16268,
 	16256, 456, 3428, 456, 16256 };
 
-const uint16_t filter_5tap_64p_150[165] = {
+static const uint16_t filter_5tap_64p_150[165] = {
 	16368, 2064, 2064, 16368, 0,
 	16352, 2028, 2100, 16380, 16380,
 	16340, 1996, 2132, 12, 16376,
@@ -557,7 +557,7 @@ const uint16_t filter_5tap_64p_150[165] = {
 	16248, 860, 2708, 788, 16252,
 	16248, 824, 2708, 824, 16248 };
 
-const uint16_t filter_5tap_64p_183[165] = {
+static const uint16_t filter_5tap_64p_183[165] = {
 	228, 1816, 1816, 228, 0,
 	216, 1792, 1836, 248, 16380,
 	200, 1772, 1860, 264, 16376,
@@ -592,7 +592,7 @@ const uint16_t filter_5tap_64p_183[165] = {
 	16340, 1000, 2232, 944, 16336,
 	16340, 972, 2232, 972, 16340 };
 
-const uint16_t filter_6tap_64p_upscale[198] = {
+static const uint16_t filter_6tap_64p_upscale[198] = {
 	0, 0, 4092, 0, 0, 0,
 	12, 16332, 4092, 52, 16368, 0,
 	24, 16280, 4088, 108, 16356, 0,
@@ -627,7 +627,7 @@ const uint16_t filter_6tap_64p_upscale[198] = {
 	104, 15816, 2588, 2416, 15840, 92,
 	100, 15828, 2504, 2504, 15828, 100 };
 
-const uint16_t filter_6tap_64p_117[198] = {
+static const uint16_t filter_6tap_64p_117[198] = {
 	16168, 476, 3568, 476, 16168, 0,
 	16180, 428, 3564, 528, 16156, 0,
 	16192, 376, 3556, 584, 16144, 4,
@@ -662,7 +662,7 @@ const uint16_t filter_6tap_64p_117[198] = {
 	40, 15956, 2496, 2376, 15944, 44,
 	40, 15952, 2436, 2436, 15952, 40 };
 
-const uint16_t filter_6tap_64p_150[198] = {
+static const uint16_t filter_6tap_64p_150[198] = {
 	16148, 920, 2724, 920, 16148, 0,
 	16152, 880, 2724, 956, 16148, 0,
 	16152, 844, 2720, 996, 16144, 0,
@@ -697,7 +697,7 @@ const uint16_t filter_6tap_64p_150[198] = {
 	16292, 8, 2172, 2108, 16356, 16304,
 	16300, 16372, 2140, 2140, 16372, 16300 };
 
-const uint16_t filter_6tap_64p_183[198] = {
+static const uint16_t filter_6tap_64p_183[198] = {
 	16296, 1032, 2196, 1032, 16296, 0,
 	16292, 1004, 2200, 1060, 16304, 16380,
 	16288, 976, 2200, 1088, 16308, 16380,
@@ -732,7 +732,7 @@ const uint16_t filter_6tap_64p_183[198] = {
 	16288, 296, 1880, 1840, 256, 16296,
 	16292, 276, 1860, 1860, 276, 16292 };
 
-const uint16_t filter_7tap_64p_upscale[231] = {
+static const uint16_t filter_7tap_64p_upscale[231] = {
 	176, 15760, 2488, 2488, 15760, 176, 0,
 	172, 15772, 2404, 2572, 15752, 180, 16380,
 	168, 15784, 2324, 2656, 15740, 184, 16380,
@@ -767,7 +767,7 @@ const uint16_t filter_7tap_64p_upscale[231] = {
 	0, 16364, 56, 4092, 16328, 16, 16380,
 	0, 0, 0, 4096, 0, 0, 0 };
 
-const uint16_t filter_7tap_64p_117[231] = {
+static const uint16_t filter_7tap_64p_117[231] = {
 	92, 15868, 2464, 2464, 15868, 92, 0,
 	96, 15864, 2404, 2528, 15876, 88, 0,
 	100, 15860, 2344, 2584, 15884, 84, 0,
@@ -802,7 +802,7 @@ const uint16_t filter_7tap_64p_117[231] = {
 	68, 16108, 504, 3572, 396, 16140, 60,
 	64, 16124, 452, 3576, 452, 16124, 64 };
 
-const uint16_t filter_7tap_64p_150[231] = {
+static const uint16_t filter_7tap_64p_150[231] = {
 	16224, 16380, 2208, 2208, 16380, 16224, 0,
 	16232, 16360, 2172, 2236, 16, 16216, 0,
 	16236, 16340, 2140, 2268, 40, 16212, 0,
@@ -837,7 +837,7 @@ const uint16_t filter_7tap_64p_150[231] = {
 	16380, 16076, 1020, 2740, 944, 16076, 0,
 	0, 16076, 984, 2740, 984, 16076, 0 };
 
-const uint16_t filter_7tap_64p_183[231] = {
+static const uint16_t filter_7tap_64p_183[231] = {
 	16216, 324, 1884, 1884, 324, 16216, 0,
 	16220, 304, 1864, 1904, 344, 16216, 0,
 	16224, 284, 1844, 1924, 364, 16216, 0,
@@ -872,7 +872,7 @@ const uint16_t filter_7tap_64p_183[231] = {
 	16316, 16284, 1132, 2216, 1076, 16268, 16324,
 	16320, 16276, 1104, 2216, 1104, 16276, 16320 };
 
-const uint16_t filter_8tap_64p_upscale[264] = {
+static const uint16_t filter_8tap_64p_upscale[264] = {
 	0, 0, 0, 4096, 0, 0, 0, 0,
 	16376, 20, 16328, 4092, 56, 16364, 4, 0,
 	16372, 36, 16272, 4088, 116, 16340, 12, 0,
@@ -907,7 +907,7 @@ const uint16_t filter_8tap_64p_upscale[264] = {
 	16328, 248, 15692, 2616, 2448, 15716, 240, 16332,
 	16332, 244, 15704, 2532, 2532, 15704, 244, 16332 };
 
-const uint16_t filter_8tap_64p_117[264] = {
+static const uint16_t filter_8tap_64p_117[264] = {
 	116, 16100, 428, 3564, 428, 16100, 116, 0,
 	112, 16116, 376, 3564, 484, 16084, 120, 16380,
 	104, 16136, 324, 3560, 540, 16064, 124, 16380,
@@ -942,7 +942,7 @@ const uint16_t filter_8tap_64p_117[264] = {
 	16372, 136, 15816, 2548, 2428, 15804, 148, 16368,
 	16372, 140, 15812, 2488, 2488, 15812, 140, 16372 };
 
-const uint16_t filter_8tap_64p_150[264] = {
+static const uint16_t filter_8tap_64p_150[264] = {
 	16380, 16020, 1032, 2756, 1032, 16020, 16380, 0,
 	0, 16020, 992, 2756, 1068, 16024, 16376, 0,
 	4, 16020, 952, 2752, 1108, 16024, 16372, 0,
@@ -977,7 +977,7 @@ const uint16_t filter_8tap_64p_150[264] = {
 	44, 16160, 24, 2244, 2180, 16364, 16176, 40,
 	44, 16168, 4, 2212, 2212, 4, 16168, 44 };
 
-const uint16_t filter_8tap_64p_183[264] = {
+static const uint16_t filter_8tap_64p_183[264] = {
 	16264, 16264, 1164, 2244, 1164, 16264, 16264, 0,
 	16268, 16256, 1136, 2240, 1188, 16272, 16260, 0,
 	16272, 16248, 1108, 2240, 1216, 16280, 16256, 0,
@@ -1107,3 +1107,13 @@ const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio)
 	else
 		return filter_8tap_64p_183;
 }
+
+const uint16_t *get_filter_2tap_16p(void)
+{
+	return filter_2tap_16p;
+}
+
+const uint16_t *get_filter_2tap_64p(void)
+{
+	return filter_2tap_64p;
+}

drivers/gpu/drm/amd/display/dc/dce/dce_transform.c

@@ -306,7 +306,7 @@ static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio)
 	else if (taps == 3)
 		return get_filter_3tap_16p(ratio);
 	else if (taps == 2)
-		return filter_2tap_16p;
+		return get_filter_2tap_16p();
 	else if (taps == 1)
 		return NULL;
 	else {

drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c

@@ -489,7 +489,7 @@ static const uint16_t *get_filter_coeffs_64p(int taps, struct fixed31_32 ratio)
 	if (taps == 4)
 		return get_filter_4tap_64p(ratio);
 	else if (taps == 2)
-		return filter_2tap_64p;
+		return get_filter_2tap_64p();
 	else if (taps == 1)
 		return NULL;
 	else {

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c

@@ -240,7 +240,7 @@ static const uint16_t *get_filter_coeffs_64p(int taps, struct fixed31_32 ratio)
 	else if (taps == 3)
 		return get_filter_3tap_64p(ratio);
 	else if (taps == 2)
-		return filter_2tap_64p;
+		return get_filter_2tap_64p();
 	else if (taps == 1)
 		return NULL;
 	else {

drivers/gpu/drm/amd/display/dc/inc/hw/transform.h

@@ -240,8 +240,8 @@ struct transform_funcs {
 
 };
 
-extern const uint16_t filter_2tap_16p[18];
-extern const uint16_t filter_2tap_64p[66];
+const uint16_t *get_filter_2tap_16p(void);
+const uint16_t *get_filter_2tap_64p(void);
 const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio);
 const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio);
 const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio);