drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 501 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_scl_filters.c b/drivers/gpu/drm/amd/display/dc/dce/dce_scl_filters.c
new file mode 100644
index 000000000000..3aab86781be2
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_scl_filters.c
@@ -0,0 +1,501 @@
+/*
+ * Copyright 2012-16 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 "transform.h"
+
+const uint16_t filter_2tap_16p[18] = {
+	4096, 0,
+	3840, 256,
+	3584, 512,
+	3328, 768,
+	3072, 1024,
+	2816, 1280,
+	2560, 1536,
+	2304, 1792,
+	2048, 2048
+};
+
+const uint16_t filter_3tap_16p_upscale[27] = {
+	2048, 2048, 0,
+	1708, 2424, 16348,
+	1372, 2796, 16308,
+	1056, 3148, 16272,
+	768, 3464, 16244,
+	512, 3728, 16236,
+	296, 3928, 16252,
+	124, 4052, 16296,
+	0, 4096, 0
+};
+
+const uint16_t filter_3tap_16p_117[27] = {
+	2048, 2048, 0,
+	1824, 2276, 16376,
+	1600, 2496, 16380,
+	1376, 2700, 16,
+	1156, 2880, 52,
+	948, 3032, 108,
+	756, 3144, 192,
+	580, 3212, 296,
+	428, 3236, 428
+};
+
+const uint16_t filter_3tap_16p_150[27] = {
+	2048, 2048, 0,
+	1872, 2184, 36,
+	1692, 2308, 88,
+	1516, 2420, 156,
+	1340, 2516, 236,
+	1168, 2592, 328,
+	1004, 2648, 440,
+	844, 2684, 560,
+	696, 2696, 696
+};
+
+const uint16_t filter_3tap_16p_183[27] = {
+	2048, 2048, 0,
+	1892, 2104, 92,
+	1744, 2152, 196,
+	1592, 2196, 300,
+	1448, 2232, 412,
+	1304, 2256, 528,
+	1168, 2276, 648,
+	1032, 2288, 772,
+	900, 2292, 900
+};
+
+const uint16_t filter_4tap_16p_upscale[36] = {
+	0, 4096, 0, 0,
+	16240, 4056, 180, 16380,
+	16136, 3952, 404, 16364,
+	16072, 3780, 664, 16344,
+	16040, 3556, 952, 16312,
+	16036, 3284, 1268, 16272,
+	16052, 2980, 1604, 16224,
+	16084, 2648, 1952, 16176,
+	16128, 2304, 2304, 16128
+};
+
+const uint16_t filter_4tap_16p_117[36] = {
+	428, 3236, 428, 0,
+	276, 3232, 604, 16364,
+	148, 3184, 800, 16340,
+	44, 3104, 1016, 16312,
+	16344, 2984, 1244, 16284,
+	16284, 2832, 1488, 16256,
+	16244, 2648, 1732, 16236,
+	16220, 2440, 1976, 16220,
+	16212, 2216, 2216, 16212
+};
+
+const uint16_t filter_4tap_16p_150[36] = {
+	696, 2700, 696, 0,
+	560, 2700, 848, 16364,
+	436, 2676, 1008, 16348,
+	328, 2628, 1180, 16336,
+	232, 2556, 1356, 16328,
+	152, 2460, 1536, 16328,
+	84, 2344, 1716, 16332,
+	28, 2208, 1888, 16348,
+	16376, 2052, 2052, 16376
+};
+
+const uint16_t filter_4tap_16p_183[36] = {
+	940, 2208, 940, 0,
+	832, 2200, 1052, 4,
+	728, 2180, 1164, 16,
+	628, 2148, 1280, 36,
+	536, 2100, 1392, 60,
+	448, 2044, 1504, 92,
+	368, 1976, 1612, 132,
+	296, 1900, 1716, 176,
+	232, 1812, 1812, 232
+};
+
+const uint16_t filter_2tap_64p[66] = {
+	4096, 0,
+	4032, 64,
+	3968, 128,
+	3904, 192,
+	3840, 256,
+	3776, 320,
+	3712, 384,
+	3648, 448,
+	3584, 512,
+	3520, 576,
+	3456, 640,
+	3392, 704,
+	3328, 768,
+	3264, 832,
+	3200, 896,
+	3136, 960,
+	3072, 1024,
+	3008, 1088,
+	2944, 1152,
+	2880, 1216,
+	2816, 1280,
+	2752, 1344,
+	2688, 1408,
+	2624, 1472,
+	2560, 1536,
+	2496, 1600,
+	2432, 1664,
+	2368, 1728,
+	2304, 1792,
+	2240, 1856,
+	2176, 1920,
+	2112, 1984,
+	2048, 2048 };
+
+const uint16_t filter_3tap_64p_upscale[99] = {
+	2048, 2048, 0,
+	1960, 2140, 16376,
+	1876, 2236, 16364,
+	1792, 2328, 16356,
+	1708, 2424, 16348,
+	1620, 2516, 16336,
+	1540, 2612, 16328,
+	1456, 2704, 16316,
+	1372, 2796, 16308,
+	1292, 2884, 16296,
+	1212, 2976, 16288,
+	1136, 3060, 16280,
+	1056, 3148, 16272,
+	984, 3228, 16264,
+	908, 3312, 16256,
+	836, 3388, 16248,
+	768, 3464, 16244,
+	700, 3536, 16240,
+	636, 3604, 16236,
+	572, 3668, 16236,
+	512, 3728, 16236,
+	456, 3784, 16236,
+	400, 3836, 16240,
+	348, 3884, 16244,
+	296, 3928, 16252,
+	252, 3964, 16260,
+	204, 4000, 16268,
+	164, 4028, 16284,
+	124, 4052, 16296,
+	88, 4072, 16316,
+	56, 4084, 16336,
+	24, 4092, 16356,
+	0, 4096, 0
+};
+
+const uint16_t filter_3tap_64p_117[99] = {
+	2048, 2048, 0,
+	1992, 2104, 16380,
+	1936, 2160, 16380,
+	1880, 2220, 16376,
+	1824, 2276, 16376,
+	1768, 2332, 16376,
+	1712, 2388, 16376,
+	1656, 2444, 16376,
+	1600, 2496, 16380,
+	1544, 2548, 0,
+	1488, 2600, 4,
+	1432, 2652, 8,
+	1376, 2700, 16,
+	1320, 2748, 20,
+	1264, 2796, 32,
+	1212, 2840, 40,
+	1156, 2880, 52,
+	1104, 2920, 64,
+	1052, 2960, 80,
+	1000, 2996, 92,
+	948, 3032, 108,
+	900, 3060, 128,
+	852, 3092, 148,
+	804, 3120, 168,
+	756, 3144, 192,
+	712, 3164, 216,
+	668, 3184, 240,
+	624, 3200, 268,
+	580, 3212, 296,
+	540, 3220, 328,
+	500, 3228, 360,
+	464, 3232, 392,
+	428, 3236, 428
+};
+
+const uint16_t filter_3tap_64p_150[99] = {
+	2048, 2048, 0,
+	2004, 2080, 8,
+	1960, 2116, 16,
+	1916, 2148, 28,
+	1872, 2184, 36,
+	1824, 2216, 48,
+	1780, 2248, 60,
+	1736, 2280, 76,
+	1692, 2308, 88,
+	1648, 2336, 104,
+	1604, 2368, 120,
+	1560, 2392, 136,
+	1516, 2420, 156,
+	1472, 2444, 172,
+	1428, 2472, 192,
+	1384, 2492, 212,
+	1340, 2516, 236,
+	1296, 2536, 256,
+	1252, 2556, 280,
+	1212, 2576, 304,
+	1168, 2592, 328,
+	1124, 2608, 356,
+	1084, 2624, 384,
+	1044, 2636, 412,
+	1004, 2648, 440,
+	964, 2660, 468,
+	924, 2668, 500,
+	884, 2676, 528,
+	844, 2684, 560,
+	808, 2688, 596,
+	768, 2692, 628,
+	732, 2696, 664,
+	696, 2696, 696
+};
+
+const uint16_t filter_3tap_64p_183[99] = {
+	2048, 2048, 0,
+	2008, 2060, 20,
+	1968, 2076, 44,
+	1932, 2088, 68,
+	1892, 2104, 92,
+	1856, 2116, 120,
+	1816, 2128, 144,
+	1780, 2140, 168,
+	1744, 2152, 196,
+	1704, 2164, 220,
+	1668, 2176, 248,
+	1632, 2188, 272,
+	1592, 2196, 300,
+	1556, 2204, 328,
+	1520, 2216, 356,
+	1484, 2224, 384,
+	1448, 2232, 412,
+	1412, 2240, 440,
+	1376, 2244, 468,
+	1340, 2252, 496,
+	1304, 2256, 528,
+	1272, 2264, 556,
+	1236, 2268, 584,
+	1200, 2272, 616,
+	1168, 2276, 648,
+	1132, 2280, 676,
+	1100, 2284, 708,
+	1064, 2288, 740,
+	1032, 2288, 772,
+	996, 2292, 800,
+	964, 2292, 832,
+	932, 2292, 868,
+	900, 2292, 900
+};
+
+const uint16_t filter_4tap_64p_upscale[132] = {
+	0, 4096, 0, 0,
+	16344, 4092, 40, 0,
+	16308, 4084, 84, 16380,
+	16272, 4072, 132, 16380,
+	16240, 4056, 180, 16380,
+	16212, 4036, 232, 16376,
+	16184, 4012, 288, 16372,
+	16160, 3984, 344, 16368,
+	16136, 3952, 404, 16364,
+	16116, 3916, 464, 16360,
+	16100, 3872, 528, 16356,
+	16084, 3828, 596, 16348,
+	16072, 3780, 664, 16344,
+	16060, 3728, 732, 16336,
+	16052, 3676, 804, 16328,
+	16044, 3616, 876, 16320,
+	16040, 3556, 952, 16312,
+	16036, 3492, 1028, 16300,
+	16032, 3424, 1108, 16292,
+	16032, 3356, 1188, 16280,
+	16036, 3284, 1268, 16272,
+	16036, 3212, 1352, 16260,
+	16040, 3136, 1436, 16248,
+	16044, 3056, 1520, 16236,
+	16052, 2980, 1604, 16224,
+	16060, 2896, 1688, 16212,
+	16064, 2816, 1776, 16200,
+	16076, 2732, 1864, 16188,
+	16084, 2648, 1952, 16176,
+	16092, 2564, 2040, 16164,
+	16104, 2476, 2128, 16152,
+	16116, 2388, 2216, 16140,
+	16128, 2304, 2304, 16128 };
+
+const uint16_t filter_4tap_64p_117[132] = {
+	420, 3248, 420, 0,
+	380, 3248, 464, 16380,
+	344, 3248, 508, 16372,
+	308, 3248, 552, 16368,
+	272, 3240, 596, 16364,
+	236, 3236, 644, 16356,
+	204, 3224, 692, 16352,
+	172, 3212, 744, 16344,
+	144, 3196, 796, 16340,
+	116, 3180, 848, 16332,
+	88, 3160, 900, 16324,
+	60, 3136, 956, 16320,
+	36, 3112, 1012, 16312,
+	16, 3084, 1068, 16304,
+	16380, 3056, 1124, 16296,
+	16360, 3024, 1184, 16292,
+	16340, 2992, 1244, 16284,
+	16324, 2956, 1304, 16276,
+	16308, 2920, 1364, 16268,
+	16292, 2880, 1424, 16264,
+	16280, 2836, 1484, 16256,
+	16268, 2792, 1548, 16252,
+	16256, 2748, 1608, 16244,
+	16248, 2700, 1668, 16240,
+	16240, 2652, 1732, 16232,
+	16232, 2604, 1792, 16228,
+	16228, 2552, 1856, 16224,
+	16220, 2500, 1916, 16220,
+	16216, 2444, 1980, 16216,
+	16216, 2388, 2040, 16216,
+	16212, 2332, 2100, 16212,
+	16212, 2276, 2160, 16212,
+	16212, 2220, 2220, 16212 };
+
+const uint16_t filter_4tap_64p_150[132] = {
+	696, 2700, 696, 0,
+	660, 2704, 732, 16380,
+	628, 2704, 768, 16376,
+	596, 2704, 804, 16372,
+	564, 2700, 844, 16364,
+	532, 2696, 884, 16360,
+	500, 2692, 924, 16356,
+	472, 2684, 964, 16352,
+	440, 2676, 1004, 16352,
+	412, 2668, 1044, 16348,
+	384, 2656, 1088, 16344,
+	360, 2644, 1128, 16340,
+	332, 2632, 1172, 16336,
+	308, 2616, 1216, 16336,
+	284, 2600, 1260, 16332,
+	260, 2580, 1304, 16332,
+	236, 2560, 1348, 16328,
+	216, 2540, 1392, 16328,
+	196, 2516, 1436, 16328,
+	176, 2492, 1480, 16324,
+	156, 2468, 1524, 16324,
+	136, 2440, 1568, 16328,
+	120, 2412, 1612, 16328,
+	104, 2384, 1656, 16328,
+	88, 2352, 1700, 16332,
+	72, 2324, 1744, 16332,
+	60, 2288, 1788, 16336,
+	48, 2256, 1828, 16340,
+	36, 2220, 1872, 16344,
+	24, 2184, 1912, 16352,
+	12, 2148, 1952, 16356,
+	4, 2112, 1996, 16364,
+	16380, 2072, 2036, 16372 };
+
+const uint16_t filter_4tap_64p_183[132] = {
+	944, 2204, 944, 0,
+	916, 2204, 972, 0,
+	888, 2200, 996, 0,
+	860, 2200, 1024, 4,
+	832, 2196, 1052, 4,
+	808, 2192, 1080, 8,
+	780, 2188, 1108, 12,
+	756, 2180, 1140, 12,
+	728, 2176, 1168, 16,
+	704, 2168, 1196, 20,
+	680, 2160, 1224, 24,
+	656, 2152, 1252, 28,
+	632, 2144, 1280, 36,
+	608, 2132, 1308, 40,
+	584, 2120, 1336, 48,
+	560, 2112, 1364, 52,
+	536, 2096, 1392, 60,
+	516, 2084, 1420, 68,
+	492, 2072, 1448, 76,
+	472, 2056, 1476, 84,
+	452, 2040, 1504, 92,
+	428, 2024, 1532, 100,
+	408, 2008, 1560, 112,
+	392, 1992, 1584, 120,
+	372, 1972, 1612, 132,
+	352, 1956, 1636, 144,
+	336, 1936, 1664, 156,
+	316, 1916, 1688, 168,
+	300, 1896, 1712, 180,
+	284, 1876, 1736, 192,
+	268, 1852, 1760, 208,
+	252, 1832, 1784, 220,
+	236, 1808, 1808, 236 };
+
+const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio)
+{
+	if (ratio.value < dal_fixed31_32_one.value)
+		return filter_3tap_16p_upscale;
+	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+		return filter_3tap_16p_117;
+	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+		return filter_3tap_16p_150;
+	else
+		return filter_3tap_16p_183;
+}
+
+const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio)
+{
+	if (ratio.value < dal_fixed31_32_one.value)
+		return filter_3tap_64p_upscale;
+	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+		return filter_3tap_64p_117;
+	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+		return filter_3tap_64p_150;
+	else
+		return filter_3tap_64p_183;
+}
+
+const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio)
+{
+	if (ratio.value < dal_fixed31_32_one.value)
+		return filter_4tap_16p_upscale;
+	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+		return filter_4tap_16p_117;
+	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+		return filter_4tap_16p_150;
+	else
+		return filter_4tap_16p_183;
+}
+
+const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio)
+{
+	if (ratio.value < dal_fixed31_32_one.value)
+		return filter_4tap_64p_upscale;
+	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+		return filter_4tap_64p_117;
+	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+		return filter_4tap_64p_150;
+	else
+		return filter_4tap_64p_183;
+}