Module: Mesa Branch: master Commit: 219d29e4d83d8c901f127c8a004c45c23c15751e URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=219d29e4d83d8c901f127c8a004c45c23c15751e
Author: Dave Airlie <[email protected]> Date: Thu Sep 7 04:02:33 2017 +0100 radv: use simpler indirect packet 3 if possible. This fixes some observed hangs on CIK GPUs. Reviewed-by: Bas Nieuwenhuizen <[email protected]> Cc: "17.2" <[email protected]> Signed-off-by: Dave Airlie <[email protected]> --- src/amd/vulkan/radv_cmd_buffer.c | 37 +++++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 14 deletions(-) diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index f4ec57dc04..90b97c8a37 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -2835,20 +2835,29 @@ radv_cs_emit_indirect_draw_packet(struct radv_cmd_buffer *cmd_buffer, uint32_t base_reg = cmd_buffer->state.pipeline->graphics.vtx_base_sgpr; assert(base_reg); - radeon_emit(cs, PKT3(indexed ? PKT3_DRAW_INDEX_INDIRECT_MULTI : - PKT3_DRAW_INDIRECT_MULTI, - 8, false)); - radeon_emit(cs, 0); - radeon_emit(cs, (base_reg - SI_SH_REG_OFFSET) >> 2); - radeon_emit(cs, ((base_reg + 4) - SI_SH_REG_OFFSET) >> 2); - radeon_emit(cs, (((base_reg + 8) - SI_SH_REG_OFFSET) >> 2) | - S_2C3_DRAW_INDEX_ENABLE(draw_id_enable) | - S_2C3_COUNT_INDIRECT_ENABLE(!!count_va)); - radeon_emit(cs, draw_count); /* count */ - radeon_emit(cs, count_va); /* count_addr */ - radeon_emit(cs, count_va >> 32); - radeon_emit(cs, stride); /* stride */ - radeon_emit(cs, di_src_sel); + if (draw_count == 1 && !count_va && !draw_id_enable) { + radeon_emit(cs, PKT3(indexed ? PKT3_DRAW_INDEX_INDIRECT : + PKT3_DRAW_INDIRECT, 3, false)); + radeon_emit(cs, 0); + radeon_emit(cs, (base_reg - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, ((base_reg + 4) - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, di_src_sel); + } else { + radeon_emit(cs, PKT3(indexed ? PKT3_DRAW_INDEX_INDIRECT_MULTI : + PKT3_DRAW_INDIRECT_MULTI, + 8, false)); + radeon_emit(cs, 0); + radeon_emit(cs, (base_reg - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, ((base_reg + 4) - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, (((base_reg + 8) - SI_SH_REG_OFFSET) >> 2) | + S_2C3_DRAW_INDEX_ENABLE(draw_id_enable) | + S_2C3_COUNT_INDIRECT_ENABLE(!!count_va)); + radeon_emit(cs, draw_count); /* count */ + radeon_emit(cs, count_va); /* count_addr */ + radeon_emit(cs, count_va >> 32); + radeon_emit(cs, stride); /* stride */ + radeon_emit(cs, di_src_sel); + } } static void _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
