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radeonsi: add environment variable SI_FORCE_FAMILY 

This will be used by: amdgcn_glslc -mcpu=[family]

It can also be used for shader-db if you want stats for a different family.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-07-31 00:46:09 +02:00
parent d0646cc745
commit ad8af99c86
1 changed files with 32 additions and 0 deletions
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32
src/gallium/drivers/radeonsi/si_pipe.c
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@ -715,6 +715,36 @@ static bool si_init_gs_info(struct si_screen *sscreen)
}
}
static void si_handle_env_var_force_family(struct si_screen *sscreen)
{
const char *family = debug_get_option("SI_FORCE_FAMILY", NULL);
unsigned i;
if (!family)
return;
for (i = CHIP_TAHITI; i < CHIP_LAST; i++) {
if (!strcmp(family, r600_get_llvm_processor_name(i))) {
/* Override family and chip_class. */
sscreen->b.family = sscreen->b.info.family = i;
if (i >= CHIP_TONGA)
sscreen->b.chip_class = sscreen->b.info.chip_class = VI;
else if (i >= CHIP_BONAIRE)
sscreen->b.chip_class = sscreen->b.info.chip_class = CIK;
else
sscreen->b.chip_class = sscreen->b.info.chip_class = SI;
/* Don't submit any IBs. */
setenv("RADEON_NOOP", "1", 1);
return;
}
}
fprintf(stderr, "radeonsi: Unknown family: %s\n", family);
exit(1);
}
struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
{
struct si_screen *sscreen = CALLOC_STRUCT(si_screen);
@ -740,6 +770,8 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
return NULL;
}
si_handle_env_var_force_family(sscreen);
if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false))
si_init_perfcounters(sscreen);