radv: adopt some init config workarounds from radeonsi.

Just one bonaire fix.

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: "13.0 17.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 8dd9f65..7d81c2b 100644 (file)
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -378,6 +378,15 @@ si_emit_config(struct radv_physical_device *physical_device,
        radeon_set_context_reg(cs, R_028408_VGT_INDX_OFFSET, 0);
 
        if (physical_device->rad_info.chip_class >= CIK) {
+               /* If this is 0, Bonaire can hang even if GS isn't being used.
+                * Other chips are unaffected. These are suboptimal values,
+                * but we don't use on-chip GS.
+                */
+               radeon_set_context_reg(cs, R_028A44_VGT_GS_ONCHIP_CNTL,
+                                      S_028A44_ES_VERTS_PER_SUBGRP(64) |
+                                      S_028A44_GS_PRIMS_PER_SUBGRP(4));
+
+               radeon_set_sh_reg(cs, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff));
                radeon_set_sh_reg(cs, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0);
                radeon_set_sh_reg(cs, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff));
                radeon_set_sh_reg(cs, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff));
@@ -390,7 +399,6 @@ si_emit_config(struct radv_physical_device *physical_device,
                         *
                         * LATE_ALLOC_VS = 2 is the highest safe number.
                         */
-                       radeon_set_sh_reg(cs, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff));
                        radeon_set_sh_reg(cs, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff));
                        radeon_set_sh_reg(cs, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(2));
                } else {
@@ -399,7 +407,6 @@ si_emit_config(struct radv_physical_device *physical_device,
                         * - VS can't execute on CU0.
                         * - If HS writes outputs to LDS, LS can't execute on CU0.
                         */
-                       radeon_set_sh_reg(cs, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xfffe));
                        radeon_set_sh_reg(cs, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe));
                        radeon_set_sh_reg(cs, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31));
                }