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radeonsi: set optimal settings in COMPUTE_RESOURCE_LIMITS

Browse source 
ported from Vulkan

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-07-13 22:34:54 +02:00
parent ad70c3954b
commit b2b45cecef
1 changed files with 6 additions and 2 deletions
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8
src/gallium/drivers/radeonsi/si_compute.c
View file

@ -163,8 +163,7 @@ static void si_initialize_compute(struct si_context *sctx)
radeon_emit(cs, 0);
radeon_emit(cs, 0);
radeon_set_sh_reg_seq(cs, R_00B854_COMPUTE_RESOURCE_LIMITS, 3);
radeon_emit(cs, 0);
radeon_set_sh_reg_seq(cs, R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0, 2);
/* R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0 / SE1 */
radeon_emit(cs, S_00B858_SH0_CU_EN(0xffff) | S_00B858_SH1_CU_EN(0xffff));
radeon_emit(cs, S_00B85C_SH0_CU_EN(0xffff) | S_00B85C_SH1_CU_EN(0xffff));
@ -400,6 +399,11 @@ static void si_emit_dispatch_packets(struct si_context *sctx,
{
struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
bool render_cond_bit = sctx->b.render_cond && !sctx->b.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,
S_00B854_SIMD_DEST_CNTL(waves_per_threadgroup % 4 == 0));
radeon_set_sh_reg_seq(cs, R_00B81C_COMPUTE_NUM_THREAD_X, 3);
radeon_emit(cs, S_00B81C_NUM_THREAD_FULL(info->block[0]));