radv: set PA.SC_CONSERVATIVE_RASTERIZATION.NULL_SQUAD_AA_MASK_ENABLE

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_pipeline.c

@@ -2701,7 +2701,7 @@ radv_pipeline_generate_raster_state(struct radeon_cmdbuf *cs,
 	const VkPipelineRasterizationStateCreateInfo *vkraster = pCreateInfo->pRasterizationState;
 	const VkConservativeRasterizationModeEXT mode =
 		radv_get_conservative_raster_mode(vkraster);
-	uint32_t pa_sc_conservative_rast = 0;
+	uint32_t pa_sc_conservative_rast = S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1);
 
 	radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL,
 	                       S_028810_DX_CLIP_SPACE_DEF(1) | // vulkan uses DX conventions.