The latency allowness is calculated based on buffering capabilities of memory clients. This patch adds FIFO sizes to the Tegra30 memory clients.
Signed-off-by: Dmitry Osipenko digetx@gmail.com --- drivers/memory/tegra/tegra30.c | 66 ++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+)
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c index b1990b4133d8..05780a0c6d39 100644 --- a/drivers/memory/tegra/tegra30.c +++ b/drivers/memory/tegra/tegra30.c @@ -42,6 +42,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0, }, + .fifo_size = 16 * 2, }, { .id = 0x01, .name = "display0a", @@ -56,6 +57,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 128, }, { .id = 0x02, .name = "display0ab", @@ -70,6 +72,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 128, }, { .id = 0x03, .name = "display0b", @@ -84,6 +87,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 64, }, { .id = 0x04, .name = "display0bb", @@ -98,6 +102,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 64, }, { .id = 0x05, .name = "display0c", @@ -112,6 +117,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 128, }, { .id = 0x06, .name = "display0cb", @@ -126,6 +132,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 128, }, { .id = 0x07, .name = "display1b", @@ -140,6 +147,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 64, }, { .id = 0x08, .name = "display1bb", @@ -154,6 +162,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x4e, }, + .fifo_size = 16 * 64, }, { .id = 0x09, .name = "eppup", @@ -168,6 +177,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x17, }, + .fifo_size = 16 * 8, }, { .id = 0x0a, .name = "g2pr", @@ -182,6 +192,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x09, }, + .fifo_size = 16 * 64, }, { .id = 0x0b, .name = "g2sr", @@ -196,6 +207,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x09, }, + .fifo_size = 16 * 64, }, { .id = 0x0c, .name = "mpeunifbr", @@ -210,6 +222,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x50, }, + .fifo_size = 16 * 8, }, { .id = 0x0d, .name = "viruv", @@ -224,6 +237,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x2c, }, + .fifo_size = 16 * 8, }, { .id = 0x0e, .name = "afir", @@ -238,6 +252,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x10, }, + .fifo_size = 16 * 32, }, { .id = 0x0f, .name = "avpcarm7r", @@ -252,6 +267,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x04, }, + .fifo_size = 16 * 2, }, { .id = 0x10, .name = "displayhc", @@ -266,6 +282,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 2, }, { .id = 0x11, .name = "displayhcb", @@ -280,6 +297,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 2, }, { .id = 0x12, .name = "fdcdrd", @@ -294,6 +312,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0a, }, + .fifo_size = 16 * 96, }, { .id = 0x13, .name = "fdcdrd2", @@ -308,6 +327,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0a, }, + .fifo_size = 16 * 96, }, { .id = 0x14, .name = "g2dr", @@ -322,6 +342,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0a, }, + .fifo_size = 16 * 48, }, { .id = 0x15, .name = "hdar", @@ -336,6 +357,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 16, }, { .id = 0x16, .name = "host1xdmar", @@ -350,6 +372,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x05, }, + .fifo_size = 16 * 16, }, { .id = 0x17, .name = "host1xr", @@ -364,6 +387,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x50, }, + .fifo_size = 16 * 8, }, { .id = 0x18, .name = "idxsrd", @@ -378,6 +402,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x13, }, + .fifo_size = 16 * 64, }, { .id = 0x19, .name = "idxsrd2", @@ -392,6 +417,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x13, }, + .fifo_size = 16 * 64, }, { .id = 0x1a, .name = "mpe_ipred", @@ -406,6 +432,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x80, }, + .fifo_size = 16 * 2, }, { .id = 0x1b, .name = "mpeamemrd", @@ -420,6 +447,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x42, }, + .fifo_size = 16 * 64, }, { .id = 0x1c, .name = "mpecsrd", @@ -434,6 +462,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 8, }, { .id = 0x1d, .name = "ppcsahbdmar", @@ -448,6 +477,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x10, }, + .fifo_size = 16 * 2, }, { .id = 0x1e, .name = "ppcsahbslvr", @@ -462,6 +492,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x12, }, + .fifo_size = 16 * 8, }, { .id = 0x1f, .name = "satar", @@ -476,6 +507,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x33, }, + .fifo_size = 16 * 32, }, { .id = 0x20, .name = "texsrd", @@ -490,6 +522,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x13, }, + .fifo_size = 16 * 64, }, { .id = 0x21, .name = "texsrd2", @@ -504,6 +537,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x13, }, + .fifo_size = 16 * 64, }, { .id = 0x22, .name = "vdebsevr", @@ -518,6 +552,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 8, }, { .id = 0x23, .name = "vdember", @@ -532,6 +567,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xd0, }, + .fifo_size = 16 * 4, }, { .id = 0x24, .name = "vdemcer", @@ -546,6 +582,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x2a, }, + .fifo_size = 16 * 16, }, { .id = 0x25, .name = "vdetper", @@ -560,6 +597,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x74, }, + .fifo_size = 16 * 16, }, { .id = 0x26, .name = "mpcorelpr", @@ -570,6 +608,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x04, }, + .fifo_size = 16 * 14, }, { .id = 0x27, .name = "mpcorer", @@ -580,6 +619,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x04, }, + .fifo_size = 16 * 14, }, { .id = 0x28, .name = "eppu", @@ -594,6 +634,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x6c, }, + .fifo_size = 16 * 64, }, { .id = 0x29, .name = "eppv", @@ -608,6 +649,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x6c, }, + .fifo_size = 16 * 64, }, { .id = 0x2a, .name = "eppy", @@ -622,6 +664,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x6c, }, + .fifo_size = 16 * 64, }, { .id = 0x2b, .name = "mpeunifbw", @@ -636,6 +679,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x13, }, + .fifo_size = 16 * 8, }, { .id = 0x2c, .name = "viwsb", @@ -650,6 +694,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x12, }, + .fifo_size = 16 * 64, }, { .id = 0x2d, .name = "viwu", @@ -664,6 +709,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xb2, }, + .fifo_size = 16 * 64, }, { .id = 0x2e, .name = "viwv", @@ -678,6 +724,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xb2, }, + .fifo_size = 16 * 64, }, { .id = 0x2f, .name = "viwy", @@ -692,6 +739,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x12, }, + .fifo_size = 16 * 64, }, { .id = 0x30, .name = "g2dw", @@ -706,6 +754,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x9, }, + .fifo_size = 16 * 128, }, { .id = 0x31, .name = "afiw", @@ -720,6 +769,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0c, }, + .fifo_size = 16 * 32, }, { .id = 0x32, .name = "avpcarm7w", @@ -734,6 +784,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0e, }, + .fifo_size = 16 * 2, }, { .id = 0x33, .name = "fdcdwr", @@ -748,6 +799,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0a, }, + .fifo_size = 16 * 96, }, { .id = 0x34, .name = "fdcdwr2", @@ -762,6 +814,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0a, }, + .fifo_size = 16 * 96, }, { .id = 0x35, .name = "hdaw", @@ -776,6 +829,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 16, }, { .id = 0x36, .name = "host1xw", @@ -790,6 +844,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x10, }, + .fifo_size = 16 * 32, }, { .id = 0x37, .name = "ispw", @@ -804,6 +859,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 64, }, { .id = 0x38, .name = "mpcorelpw", @@ -814,6 +870,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0e, }, + .fifo_size = 16 * 24, }, { .id = 0x39, .name = "mpcorew", @@ -824,6 +881,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x0e, }, + .fifo_size = 16 * 24, }, { .id = 0x3a, .name = "mpecswr", @@ -838,6 +896,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 8, }, { .id = 0x3b, .name = "ppcsahbdmaw", @@ -852,6 +911,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x10, }, + .fifo_size = 16 * 2, }, { .id = 0x3c, .name = "ppcsahbslvw", @@ -866,6 +926,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x06, }, + .fifo_size = 16 * 4, }, { .id = 0x3d, .name = "sataw", @@ -880,6 +941,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x33, }, + .fifo_size = 16 * 32, }, { .id = 0x3e, .name = "vdebsevw", @@ -894,6 +956,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 4, }, { .id = 0x3f, .name = "vdedbgw", @@ -908,6 +971,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0xff, }, + .fifo_size = 16 * 16, }, { .id = 0x40, .name = "vdembew", @@ -922,6 +986,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x42, }, + .fifo_size = 16 * 2, }, { .id = 0x41, .name = "vdetpmw", @@ -936,6 +1001,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = { .mask = 0xff, .def = 0x2a, }, + .fifo_size = 16 * 16, }, };