[Mesa-dev] [PATCH 4/6] radv/gfx10: disable LATE_ALLOC_GS on Navi14

[Samuel Pitoiset]

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/si_cmd_buffer.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 3d6c672dd0f..d48ed804e63 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -311,6 +311,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 			late_alloc_limit = (num_cu_per_sh - 2) * 4;
 		}
 
+		unsigned late_alloc_limit_gs = late_alloc_limit;
 		unsigned cu_mask_vs = 0xffff;
 		unsigned cu_mask_gs = 0xffff;
 
@@ -324,6 +325,12 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 			}
 		}
 
+		/* Don't use late alloc for NGG on Navi14 due to a hw bug. */
+		if (physical_device->rad_info.family == CHIP_NAVI14) {
+			late_alloc_limit_gs = 0;
+			cu_mask_gs = 0xffff;
+		}
+
 		radeon_set_sh_reg_idx(physical_device, cs, R_00B118_SPI_SHADER_PGM_RSRC3_VS,
 				      3, S_00B118_CU_EN(cu_mask_vs) |
 				      S_00B118_WAVE_LIMIT(0x3F));
@@ -336,7 +343,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 		if (physical_device->rad_info.chip_class >= GFX10) {
 			radeon_set_sh_reg_idx(physical_device, cs, R_00B204_SPI_SHADER_PGM_RSRC4_GS,
 					      3, S_00B204_CU_EN(0xffff) |
-					      S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_limit));
+					      S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_limit_gs));
 		}
 
 		radeon_set_sh_reg_idx(physical_device, cs, R_00B01C_SPI_SHADER_PGM_RSRC3_PS,
-- 
2.22.0