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authorMarek Olšák <[email protected]>2018-08-15 21:29:31 -0400
committerMarek Olšák <[email protected]>2019-05-16 13:06:49 -0400
commitc44c6951d46a8e19c8764711d4c3d7a331822c9f (patch)
tree16ac79bebb8f9409ca937e18535c3b541511639a /src/gallium/drivers
parentc7ceeea0937f1844d080fce347aec393b8a13a85 (diff)
radeonsi: extract COMPUTE_RESOURCE_LIMITS code into a helper
Tested-by: Dieter Nützel <[email protected]> Acked-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/radeonsi/si_compute.c32
-rw-r--r--src/gallium/drivers/radeonsi/si_pipe.h3
2 files changed, 23 insertions, 12 deletions
diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c
index 46a0ba76ed5..cf9c0601fc9 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -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) |
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 1c98f41b5f3..be7ca4d5f5c 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -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 */