diff options
| author | Samuel Pitoiset <[email protected]> | 2020-03-11 09:31:26 +0100 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-03-12 18:17:47 +0000 |
| commit | 6d27022ce14c2b44b1ac7cbed6b95c7fc8ceb20e (patch) | |
| tree | fe4feb19013dde8f4980d8dad6d998ed50a26c55 /src/amd/vulkan | |
| parent | 6310c666a4339d8e0460dd2e1daa3fad500ae0ca (diff) | |
radv/gfx10: cache metadata in L2 on small chips
Based on PAL and RadeonSI.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4144>
Diffstat (limited to 'src/amd/vulkan')
| -rw-r--r-- | src/amd/vulkan/si_cmd_buffer.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c index 379d8d5fcd4..c846d0ac002 100644 --- a/src/amd/vulkan/si_cmd_buffer.c +++ b/src/amd/vulkan/si_cmd_buffer.c @@ -368,23 +368,36 @@ si_emit_graphics(struct radv_physical_device *physical_device, radeon_set_context_reg(cs, R_028C50_PA_SC_NGG_MODE_CNTL, S_028C50_MAX_DEALLOCS_IN_WAVE(512)); radeon_set_context_reg(cs, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14); + + /* Enable CMASK/FMASK/HTILE/DCC caching in L2 for small chips. */ + unsigned meta_write_policy, meta_read_policy; + + /* TODO: investigate whether LRU improves performance on other chips too */ + if (physical_device->rad_info.num_render_backends <= 4) { + meta_write_policy = V_02807C_CACHE_LRU_WR; /* cache writes */ + meta_read_policy = V_02807C_CACHE_LRU_RD; /* cache reads */ + } else { + meta_write_policy = V_02807C_CACHE_STREAM_WR; /* write combine */ + meta_read_policy = V_02807C_CACHE_NOA_RD; /* don't cache reads */ + } + radeon_set_context_reg(cs, R_02807C_DB_RMI_L2_CACHE_CONTROL, S_02807C_Z_WR_POLICY(V_02807C_CACHE_STREAM_WR) | S_02807C_S_WR_POLICY(V_02807C_CACHE_STREAM_WR) | - S_02807C_HTILE_WR_POLICY(V_02807C_CACHE_STREAM_WR) | + S_02807C_HTILE_WR_POLICY(meta_write_policy) | S_02807C_ZPCPSD_WR_POLICY(V_02807C_CACHE_STREAM_WR) | S_02807C_Z_RD_POLICY(V_02807C_CACHE_NOA_RD) | S_02807C_S_RD_POLICY(V_02807C_CACHE_NOA_RD) | - S_02807C_HTILE_RD_POLICY(V_02807C_CACHE_NOA_RD)); + S_02807C_HTILE_RD_POLICY(meta_read_policy)); radeon_set_context_reg(cs, R_028410_CB_RMI_GL2_CACHE_CONTROL, - S_028410_CMASK_WR_POLICY(V_028410_CACHE_STREAM_WR) | - S_028410_FMASK_WR_POLICY(V_028410_CACHE_STREAM_WR) | - S_028410_DCC_WR_POLICY(V_028410_CACHE_STREAM_WR) | + S_028410_CMASK_WR_POLICY(meta_write_policy) | + S_028410_FMASK_WR_POLICY(meta_write_policy) | + S_028410_DCC_WR_POLICY(meta_write_policy) | S_028410_COLOR_WR_POLICY(V_028410_CACHE_STREAM_WR) | - S_028410_CMASK_RD_POLICY(V_028410_CACHE_NOA_RD) | - S_028410_FMASK_RD_POLICY(V_028410_CACHE_NOA_RD) | - S_028410_DCC_RD_POLICY(V_028410_CACHE_NOA_RD) | + S_028410_CMASK_RD_POLICY(meta_read_policy) | + S_028410_FMASK_RD_POLICY(meta_read_policy) | + S_028410_DCC_RD_POLICY(meta_read_policy) | S_028410_COLOR_RD_POLICY(V_028410_CACHE_NOA_RD)); radeon_set_context_reg(cs, R_028428_CB_COVERAGE_OUT_CONTROL, 0); |