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intel/dev: store size of CS prefetch

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9679>
This commit is contained in:
Lionel Landwerlin 2021-03-18 11:03:35 +02:00 • committed by Marge Bot
parent 833847603b
commit beb680aae4
3 changed files with 22 additions and 4 deletions
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19
src/intel/dev/gen_device_info.c
View file

@ -86,6 +86,7 @@ gen_device_name_to_pci_device_id(const char *name)
static const struct gen_device_info gen_device_info_gen3 = {
.gen = 3,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
static const struct gen_device_info gen_device_info_i965 = {
@ -103,6 +104,7 @@ static const struct gen_device_info gen_device_info_i965 = {
},
.timestamp_frequency = 12500000,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
static const struct gen_device_info gen_device_info_g4x = {
@ -124,6 +126,7 @@ static const struct gen_device_info gen_device_info_g4x = {
},
.timestamp_frequency = 12500000,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
static const struct gen_device_info gen_device_info_ilk = {
@ -143,6 +146,7 @@ static const struct gen_device_info gen_device_info_ilk = {
},
.timestamp_frequency = 12500000,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
static const struct gen_device_info gen_device_info_snb_gt1 = {
@ -172,6 +176,7 @@ static const struct gen_device_info gen_device_info_snb_gt1 = {
},
.timestamp_frequency = 12500000,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
static const struct gen_device_info gen_device_info_snb_gt2 = {
@ -201,6 +206,7 @@ static const struct gen_device_info gen_device_info_snb_gt2 = {
},
.timestamp_frequency = 12500000,
.simulator_id = -1,
.cs_prefetch_size = 512,
};
#define GEN7_FEATURES \
@ -211,7 +217,8 @@ static const struct gen_device_info gen_device_info_snb_gt2 = {
.has_pln = true, \
.has_64bit_float = true, \
.has_surface_tile_offset = true, \
.timestamp_frequency = 12500000
.timestamp_frequency = 12500000, \
.cs_prefetch_size = 512
static const struct gen_device_info gen_device_info_ivb_gt1 = {
GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
@ -412,7 +419,8 @@ static const struct gen_device_info gen_device_info_hsw_gt3 = {
.max_tes_threads = 504, \
.max_gs_threads = 504, \
.max_wm_threads = 384, \
.timestamp_frequency = 12500000
.timestamp_frequency = 12500000, \
.cs_prefetch_size = 512
static const struct gen_device_info gen_device_info_bdw_gt1 = {
GEN8_FEATURES, .gt = 1,
@ -521,6 +529,7 @@ static const struct gen_device_info gen_device_info_chv = {
.max_tes_threads = 336, \
.max_cs_threads = 56, \
.timestamp_frequency = 12000000, \
.cs_prefetch_size = 512, \
.urb = { \
.min_entries = { \
[MESA_SHADER_VERTEX] = 64, \
@ -804,7 +813,8 @@ static const struct gen_device_info gen_device_info_cfl_gt3 = {
.max_gs_threads = 224, \
.max_tcs_threads = 224, \
.max_tes_threads = 364, \
.max_cs_threads = 56
.max_cs_threads = 56, \
.cs_prefetch_size = 512
#define GEN11_FEATURES(_gt, _slices, _subslices, _l3) \
GEN8_FEATURES, \
@ -937,7 +947,8 @@ static const struct gen_device_info gen_device_info_ehl_2x4 = {
.has_integer_dword_mul = false, \
.gt = _gt, .num_slices = _slices, .l3_banks = _l3, \
.simulator_id = 22, \
.num_eu_per_subslice = 16
.num_eu_per_subslice = 16, \
.cs_prefetch_size = 512
#define dual_subslices(args...) { args, }

6
src/intel/dev/gen_device_info.h
View file

@ -236,6 +236,12 @@ struct gen_device_info
unsigned max_entries[4];
} urb;
/**
* Size of the command streamer prefetch. This is important to know for
* self modifying batches.
*/
unsigned cs_prefetch_size;
/**
* For the longest time the timestamp frequency for Gen's timestamp counter
* could be assumed to be 12.5MHz, where the least significant bit neatly

1
src/intel/dev/gen_device_info_test.c
View file

@ -27,6 +27,7 @@ main(int argc, char *argv[])
assert(devinfo.num_eu_per_subslice != 0);
assert(devinfo.num_thread_per_eu != 0);
assert(devinfo.timestamp_frequency != 0);
assert(devinfo.cs_prefetch_size > 0);
}
return 0;