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radeonsi: extract COMPUTE_RESOURCE_LIMITS code into a helper 

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Acked-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2018-08-15 21:29:31 -04:00
parent c7ceeea093
commit c44c6951d4
2 changed files with 23 additions and 12 deletions
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32
src/gallium/drivers/radeonsi/si_compute.c
View File

@ -753,18 +753,14 @@ static void si_setup_tgsi_user_data(struct si_context *sctx,
}
}
static void si_emit_dispatch_packets(struct si_context *sctx,
const struct pipe_grid_info *info)
unsigned si_get_compute_resource_limits(struct si_screen *sscreen,
unsigned waves_per_threadgroup,
unsigned max_waves_per_sh)
{
struct si_screen *sscreen = sctx->screen;
struct radeon_cmdbuf *cs = sctx->gfx_cs;
bool render_cond_bit = sctx->render_cond && !sctx->render_cond_force_off;
unsigned waves_per_threadgroup =
DIV_ROUND_UP(info->block[0] * info->block[1] * info->block[2], 64);
unsigned compute_resource_limits =
S_00B854_SIMD_DEST_CNTL(waves_per_threadgroup % 4 == 0);
if (sctx->chip_class >= GFX7) {
if (sscreen->info.chip_class >= GFX7) {
unsigned num_cu_per_se = sscreen->info.num_good_compute_units /
sscreen->info.max_se;
@ -775,17 +771,29 @@ static void si_emit_dispatch_packets(struct si_context *sctx,
if (num_cu_per_se % 4 && waves_per_threadgroup == 1)
compute_resource_limits |= S_00B854_FORCE_SIMD_DIST(1);
compute_resource_limits |= S_00B854_WAVES_PER_SH(sctx->cs_max_waves_per_sh);
compute_resource_limits |= S_00B854_WAVES_PER_SH(max_waves_per_sh);
} else {
/* GFX6 */
if (sctx->cs_max_waves_per_sh) {
unsigned limit_div16 = DIV_ROUND_UP(sctx->cs_max_waves_per_sh, 16);
if (max_waves_per_sh) {
unsigned limit_div16 = DIV_ROUND_UP(max_waves_per_sh, 16);
compute_resource_limits |= S_00B854_WAVES_PER_SH_SI(limit_div16);
}
}
return compute_resource_limits;
}
static void si_emit_dispatch_packets(struct si_context *sctx,
const struct pipe_grid_info *info)
{
struct si_screen *sscreen = sctx->screen;
struct radeon_cmdbuf *cs = sctx->gfx_cs;
bool render_cond_bit = sctx->render_cond && !sctx->render_cond_force_off;
unsigned waves_per_threadgroup =
DIV_ROUND_UP(info->block[0] * info->block[1] * info->block[2], 64);
radeon_set_sh_reg(cs, R_00B854_COMPUTE_RESOURCE_LIMITS,
compute_resource_limits);
si_get_compute_resource_limits(sscreen, waves_per_threadgroup,
sctx->cs_max_waves_per_sh));
unsigned dispatch_initiator =
S_00B800_COMPUTE_SHADER_EN(1) |

3
src/gallium/drivers/radeonsi/si_pipe.h
View File

@ -1304,6 +1304,9 @@ unsigned si_end_counter(struct si_screen *sscreen, unsigned type,
uint64_t begin);
/* si_compute.c */
unsigned si_get_compute_resource_limits(struct si_screen *sscreen,
unsigned waves_per_threadgroup,
unsigned max_waves_per_sh);
void si_init_compute_functions(struct si_context *sctx);
/* si_perfcounters.c */