radeonsi: remove VS epilog code, compile VS with PrimID export on demand
[mesa.git] / src / gallium / drivers / radeonsi / si_pipe.c
index dc0c72e363c688b64ed000503d80a32b1ddbbe51..47d170af0ae7da5e1888bb98d4a019a3301f67b6 100644 (file)
 
 #include "si_pipe.h"
 #include "si_public.h"
+#include "si_shader_internal.h"
 #include "sid.h"
 
-#include "radeon/radeon_llvm_emit.h"
 #include "radeon/radeon_uvd.h"
 #include "util/u_memory.h"
 #include "util/u_suballoc.h"
+#include "util/u_tests.h"
 #include "vl/vl_decoder.h"
 #include "../ddebug/dd_util.h"
 
 #define SI_LLVM_DEFAULT_FEATURES \
-       "+DumpCode,+vgpr-spilling,-fp32-denormals,+fp64-denormals"
+       "+DumpCode,+vgpr-spilling,-fp32-denormals,-xnack"
 
 /*
  * pipe_context
@@ -126,12 +127,10 @@ si_create_llvm_target_machine(struct si_screen *sscreen)
 {
        const char *triple = "amdgcn--";
 
-       return LLVMCreateTargetMachine(radeon_llvm_get_r600_target(triple), triple,
+       return LLVMCreateTargetMachine(si_llvm_get_amdgpu_target(triple), triple,
                                       r600_get_llvm_processor_name(sscreen->b.family),
-#if HAVE_LLVM >= 0x0308
                                       sscreen->b.debug_flags & DBG_SI_SCHED ?
                                               SI_LLVM_DEFAULT_FEATURES ",+si-scheduler" :
-#endif
                                               SI_LLVM_DEFAULT_FEATURES,
                                       LLVMCodeGenLevelDefault,
                                       LLVMRelocDefault,
@@ -187,7 +186,13 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 
        /* SI + AMDGPU + CE = GPU hang */
        if (!(sscreen->b.debug_flags & DBG_NO_CE) && ws->cs_add_const_ib &&
-           sscreen->b.chip_class != SI) {
+           sscreen->b.chip_class != SI &&
+           /* These can't use CE due to a power gating bug in the kernel. */
+           sscreen->b.family != CHIP_CARRIZO &&
+           sscreen->b.family != CHIP_STONEY &&
+           /* Some CE bug is causing green screen corruption w/ MPV video
+            * playback and occasional corruption w/ 3D. */
+           sscreen->b.chip_class != GFX9) {
                sctx->ce_ib = ws->cs_add_const_ib(sctx->b.gfx.cs);
                if (!sctx->ce_ib)
                        goto fail;
@@ -201,9 +206,9 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
                }
 
                sctx->ce_suballocator =
-                               u_suballocator_create(&sctx->b.b, 1024 * 1024,
-                                                     PIPE_BIND_CUSTOM,
-                                                     PIPE_USAGE_DEFAULT, false);
+                       u_suballocator_create(&sctx->b.b, 1024 * 1024, 0,
+                                             PIPE_USAGE_DEFAULT,
+                                             R600_RESOURCE_FLAG_UNMAPPABLE, false);
                if (!sctx->ce_suballocator)
                        goto fail;
        }
@@ -217,7 +222,7 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
                goto fail;
 
        sctx->border_color_buffer = (struct r600_resource*)
-               pipe_buffer_create(screen, PIPE_BIND_CUSTOM, PIPE_USAGE_DEFAULT,
+               pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT,
                                   SI_MAX_BORDER_COLORS *
                                   sizeof(*sctx->border_color_table));
        if (!sctx->border_color_buffer)
@@ -232,6 +237,7 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        si_init_all_descriptors(sctx);
        si_init_state_functions(sctx);
        si_init_shader_functions(sctx);
+       si_init_ia_multi_vgt_param_table(sctx);
 
        if (sctx->b.chip_class >= CIK)
                cik_init_sdma_functions(sctx);
@@ -250,13 +256,15 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 
        /* these must be last */
        si_begin_new_cs(sctx);
-       r600_query_init_backend_mask(&sctx->b); /* this emits commands and must be last */
 
        /* CIK cannot unbind a constant buffer (S_BUFFER_LOAD doesn't skip loads
         * if NUM_RECORDS == 0). We need to use a dummy buffer instead. */
        if (sctx->b.chip_class == CIK) {
-               sctx->null_const_buf.buffer = pipe_buffer_create(screen, PIPE_BIND_CONSTANT_BUFFER,
-                                                                PIPE_USAGE_DEFAULT, 16);
+               sctx->null_const_buf.buffer =
+                       r600_aligned_buffer_create(screen,
+                                                  R600_RESOURCE_FLAG_UNMAPPABLE,
+                                                  PIPE_USAGE_DEFAULT, 16,
+                                                  sctx->screen->b.info.tcc_cache_line_size);
                if (!sctx->null_const_buf.buffer)
                        goto fail;
                sctx->null_const_buf.buffer_size = sctx->null_const_buf.buffer->width0;
@@ -332,6 +340,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
        switch (param) {
        /* Supported features (boolean caps). */
+       case PIPE_CAP_ACCELERATED:
        case PIPE_CAP_TWO_SIDED_STENCIL:
        case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
        case PIPE_CAP_ANISOTROPIC_FILTER:
@@ -357,10 +366,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_INDEP_BLEND_FUNC:
        case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
        case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
-       case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
-       case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
-       case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
-       case PIPE_CAP_USER_INDEX_BUFFERS:
        case PIPE_CAP_USER_CONSTANT_BUFFERS:
        case PIPE_CAP_START_INSTANCE:
        case PIPE_CAP_NPOT_TEXTURES:
@@ -409,8 +414,27 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_STRING_MARKER:
        case PIPE_CAP_CLEAR_TEXTURE:
        case PIPE_CAP_CULL_DISTANCE:
+       case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
+       case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+       case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
+       case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
+       case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
+       case PIPE_CAP_DOUBLES:
+       case PIPE_CAP_TGSI_TEX_TXF_LZ:
+       case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
                return 1;
 
+       case PIPE_CAP_INT64:
+       case PIPE_CAP_INT64_DIVMOD:
+       case PIPE_CAP_TGSI_CLOCK:
+               return HAVE_LLVM >= 0x0309;
+
+       case PIPE_CAP_TGSI_VOTE:
+               return HAVE_LLVM >= 0x0400;
+
+       case PIPE_CAP_TGSI_BALLOT:
+               return HAVE_LLVM >= 0x0500;
+
        case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
                return !SI_BIG_ENDIAN && sscreen->b.info.has_userptr;
 
@@ -432,23 +456,42 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
        case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
        case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
+       case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+       case PIPE_CAP_MAX_VERTEX_STREAMS:
                return 4;
+
        case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
                return HAVE_LLVM >= 0x0309 ? 4 : 0;
 
        case PIPE_CAP_GLSL_FEATURE_LEVEL:
                if (si_have_tgsi_compute(sscreen))
-                       return 430;
-               return HAVE_LLVM >= 0x0309 ? 420 :
-                      HAVE_LLVM >= 0x0307 ? 410 : 330;
+                       return 450;
+               return HAVE_LLVM >= 0x0309 ? 420 : 410;
 
        case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
                return MIN2(sscreen->b.info.max_alloc_size, INT_MAX);
 
-       case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
+       case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
+       case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+       case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
+               /* SI doesn't support unaligned loads.
+                * CIK needs DRM 2.50.0 on radeon. */
+               return sscreen->b.chip_class == SI ||
+                      (sscreen->b.info.drm_major == 2 &&
+                       sscreen->b.info.drm_minor < 50);
+
+       case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+               /* Disable on SI due to VM faults in CP DMA. Enable once these
+                * faults are mitigated in software.
+                */
+               if (sscreen->b.chip_class >= CIK &&
+                   sscreen->b.info.drm_major == 3 &&
+                   sscreen->b.info.drm_minor >= 13)
+                       return RADEON_SPARSE_PAGE_SIZE;
                return 0;
 
        /* Unsupported features. */
+       case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
        case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
        case PIPE_CAP_USER_VERTEX_BUFFERS:
@@ -456,9 +499,12 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
        case PIPE_CAP_VERTEXID_NOBASE:
        case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
-       case PIPE_CAP_TGSI_VOTE:
        case PIPE_CAP_MAX_WINDOW_RECTANGLES:
-       case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
+       case PIPE_CAP_NATIVE_FENCE_FD:
+       case PIPE_CAP_TGSI_FS_FBFETCH:
+       case PIPE_CAP_TGSI_MUL_ZERO_WINS:
+       case PIPE_CAP_UMA:
+       case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
                return 0;
 
        case PIPE_CAP_QUERY_BUFFER_OBJECT:
@@ -473,24 +519,19 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                return 30;
 
        case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
-               return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600;
+               return sscreen->b.chip_class <= VI ?
+                       PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 : 0;
 
        /* Stream output. */
-       case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
-               return sscreen->b.has_streamout ? 4 : 0;
-       case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
-               return sscreen->b.has_streamout ? 1 : 0;
        case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
        case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
-               return sscreen->b.has_streamout ? 32*4 : 0;
+               return 32*4;
 
        /* Geometry shader output. */
        case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
                return 1024;
        case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
                return 4095;
-       case PIPE_CAP_MAX_VERTEX_STREAMS:
-               return 4;
 
        case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
                return 2048;
@@ -506,13 +547,11 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                /* textures support 8192, but layered rendering supports 2048 */
                return 2048;
 
-       /* Render targets. */
-       case PIPE_CAP_MAX_RENDER_TARGETS:
-               return 8;
-
+       /* Viewports and render targets. */
        case PIPE_CAP_MAX_VIEWPORTS:
                return R600_MAX_VIEWPORTS;
        case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
+       case PIPE_CAP_MAX_RENDER_TARGETS:
                return 8;
 
        /* Timer queries, present when the clock frequency is non zero. */
@@ -535,12 +574,8 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                return ATI_VENDOR_ID;
        case PIPE_CAP_DEVICE_ID:
                return sscreen->b.info.pci_id;
-       case PIPE_CAP_ACCELERATED:
-               return 1;
        case PIPE_CAP_VIDEO_MEMORY:
                return sscreen->b.info.vram_size >> 20;
-       case PIPE_CAP_UMA:
-               return 0;
        case PIPE_CAP_PCI_GROUP:
                return sscreen->b.info.pci_domain;
        case PIPE_CAP_PCI_BUS:
@@ -553,7 +588,9 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        return 0;
 }
 
-static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
+static int si_get_shader_param(struct pipe_screen* pscreen,
+                              enum pipe_shader_type shader,
+                              enum pipe_shader_cap param)
 {
        struct si_screen *sscreen = (struct si_screen *)pscreen;
 
@@ -562,12 +599,8 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
        case PIPE_SHADER_FRAGMENT:
        case PIPE_SHADER_VERTEX:
        case PIPE_SHADER_GEOMETRY:
-               break;
        case PIPE_SHADER_TESS_CTRL:
        case PIPE_SHADER_TESS_EVAL:
-               /* LLVM 3.6.2 is required for tessellation because of bug fixes there */
-               if (HAVE_LLVM == 0x0306 && MESA_LLVM_VERSION_PATCH < 2)
-                       return 0;
                break;
        case PIPE_SHADER_COMPUTE:
                switch (param) {
@@ -582,8 +615,6 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
 
                        return ir;
                }
-               case PIPE_SHADER_CAP_DOUBLES:
-                       return HAVE_LLVM >= 0x0307;
 
                case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: {
                        uint64_t max_const_buffer_size;
@@ -604,15 +635,15 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
        }
 
        switch (param) {
+       /* Shader limits. */
        case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
        case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
        case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
        case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
-               return 16384;
        case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
-               return 32;
+               return 16384;
        case PIPE_SHADER_CAP_MAX_INPUTS:
-               return shader == PIPE_SHADER_VERTEX ? SI_NUM_VERTEX_BUFFERS : 32;
+               return shader == PIPE_SHADER_VERTEX ? SI_MAX_ATTRIBS : 32;
        case PIPE_SHADER_CAP_MAX_OUTPUTS:
                return shader == PIPE_SHADER_FRAGMENT ? 8 : 32;
        case PIPE_SHADER_CAP_MAX_TEMPS:
@@ -621,46 +652,44 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
                return 4096 * sizeof(float[4]); /* actually only memory limits this */
        case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
                return SI_NUM_CONST_BUFFERS;
-       case PIPE_SHADER_CAP_MAX_PREDS:
-               return 0; /* FIXME */
+       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
+               return SI_NUM_SAMPLERS;
+       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+               return HAVE_LLVM >= 0x0309 ? SI_NUM_SHADER_BUFFERS : 0;
+       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
+               return HAVE_LLVM >= 0x0309 ? SI_NUM_IMAGES : 0;
+       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
+               return 32;
+       case PIPE_SHADER_CAP_PREFERRED_IR:
+               return PIPE_SHADER_IR_TGSI;
+       case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
+               return 3;
+
+       /* Supported boolean features. */
        case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
-               return 1;
        case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
-               return 1;
-       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
-               /* Indirection of geometry shader input dimension is not
-                * handled yet
-                */
-               return shader != PIPE_SHADER_GEOMETRY;
        case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
        case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
        case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
-               return 1;
        case PIPE_SHADER_CAP_INTEGERS:
+       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
+       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
+       case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
                return 1;
+
+       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
+               /* TODO: Indirection of geometry shader input dimension is not
+                * handled yet
+                */
+               return shader != PIPE_SHADER_GEOMETRY;
+
+       /* Unsupported boolean features. */
        case PIPE_SHADER_CAP_SUBROUTINES:
-               return 0;
-       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
-       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
-               return SI_NUM_SAMPLERS;
-       case PIPE_SHADER_CAP_PREFERRED_IR:
-               return PIPE_SHADER_IR_TGSI;
        case PIPE_SHADER_CAP_SUPPORTED_IRS:
-               return 0;
-       case PIPE_SHADER_CAP_DOUBLES:
-               return HAVE_LLVM >= 0x0307;
        case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
        case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
                return 0;
-       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
-       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
-               return 1;
-       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
-               return 32;
-       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
-               return HAVE_LLVM >= 0x0309 ? SI_NUM_SHADER_BUFFERS : 0;
-       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
-               return HAVE_LLVM >= 0x0309 ? SI_NUM_IMAGES : 0;
        }
        return 0;
 }
@@ -670,21 +699,17 @@ static void si_destroy_screen(struct pipe_screen* pscreen)
        struct si_screen *sscreen = (struct si_screen *)pscreen;
        struct si_shader_part *parts[] = {
                sscreen->vs_prologs,
-               sscreen->vs_epilogs,
                sscreen->tcs_epilogs,
+               sscreen->gs_prologs,
                sscreen->ps_prologs,
                sscreen->ps_epilogs
        };
        unsigned i;
 
-       if (!sscreen)
-               return;
-
        if (!sscreen->b.ws->unref(sscreen->b.ws))
                return;
 
-       if (util_queue_is_initialized(&sscreen->shader_compiler_queue))
-               util_queue_destroy(&sscreen->shader_compiler_queue);
+       util_queue_destroy(&sscreen->shader_compiler_queue);
 
        for (i = 0; i < ARRAY_SIZE(sscreen->tm); i++)
                if (sscreen->tm[i])
@@ -700,7 +725,7 @@ static void si_destroy_screen(struct pipe_screen* pscreen)
                        FREE(part);
                }
        }
-       pipe_mutex_destroy(sscreen->shader_parts_mutex);
+       mtx_destroy(&sscreen->shader_parts_mutex);
        si_destroy_shader_cache(sscreen);
        r600_destroy_common_screen(&sscreen->b);
 }
@@ -727,6 +752,8 @@ static bool si_init_gs_info(struct si_screen *sscreen)
        case CHIP_FIJI:
        case CHIP_POLARIS10:
        case CHIP_POLARIS11:
+       case CHIP_POLARIS12:
+       case CHIP_VEGA10:
                sscreen->gs_table_depth = 32;
                return true;
        default:
@@ -747,7 +774,9 @@ static void si_handle_env_var_force_family(struct si_screen *sscreen)
                        /* Override family and chip_class. */
                        sscreen->b.family = sscreen->b.info.family = i;
 
-                       if (i >= CHIP_TONGA)
+                       if (i >= CHIP_VEGA10)
+                               sscreen->b.chip_class = sscreen->b.info.chip_class = GFX9;
+                       else if (i >= CHIP_TONGA)
                                sscreen->b.chip_class = sscreen->b.info.chip_class = VI;
                        else if (i >= CHIP_BONAIRE)
                                sscreen->b.chip_class = sscreen->b.info.chip_class = CIK;
@@ -764,6 +793,37 @@ static void si_handle_env_var_force_family(struct si_screen *sscreen)
        exit(1);
 }
 
+static void si_test_vmfault(struct si_screen *sscreen)
+{
+       struct pipe_context *ctx = sscreen->b.aux_context;
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct pipe_resource *buf =
+               pipe_buffer_create(&sscreen->b.b, 0, PIPE_USAGE_DEFAULT, 64);
+
+       if (!buf) {
+               puts("Buffer allocation failed.");
+               exit(1);
+       }
+
+       r600_resource(buf)->gpu_address = 0; /* cause a VM fault */
+
+       if (sscreen->b.debug_flags & DBG_TEST_VMFAULT_CP) {
+               si_copy_buffer(sctx, buf, buf, 0, 4, 4, 0);
+               ctx->flush(ctx, NULL, 0);
+               puts("VM fault test: CP - done.");
+       }
+       if (sscreen->b.debug_flags & DBG_TEST_VMFAULT_SDMA) {
+               sctx->b.dma_clear_buffer(ctx, buf, 0, 4, 0);
+               ctx->flush(ctx, NULL, 0);
+               puts("VM fault test: SDMA - done.");
+       }
+       if (sscreen->b.debug_flags & DBG_TEST_VMFAULT_SHADER) {
+               util_test_constant_buffer(ctx, buf);
+               puts("VM fault test: Shader - done.");
+       }
+       exit(0);
+}
+
 struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
 {
        struct si_screen *sscreen = CALLOC_STRUCT(si_screen);
@@ -789,6 +849,17 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
                return NULL;
        }
 
+       /* Only enable as many threads as we have target machines and CPUs. */
+       num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+       num_compiler_threads = MIN2(num_cpus, ARRAY_SIZE(sscreen->tm));
+
+       if (!util_queue_init(&sscreen->shader_compiler_queue, "si_shader",
+                            32, num_compiler_threads)) {
+               si_destroy_shader_cache(sscreen);
+               FREE(sscreen);
+               return NULL;
+       }
+
        si_handle_env_var_force_family(sscreen);
 
        if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false))
@@ -819,11 +890,27 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
        sscreen->has_ds_bpermute = HAVE_LLVM >= 0x0309 &&
                                   sscreen->b.chip_class >= VI;
 
+       sscreen->has_msaa_sample_loc_bug = (sscreen->b.family >= CHIP_POLARIS10 &&
+                                           sscreen->b.family <= CHIP_POLARIS12) ||
+                                          sscreen->b.family == CHIP_VEGA10;
+
        sscreen->b.has_cp_dma = true;
        sscreen->b.has_streamout = true;
-       pipe_mutex_init(sscreen->shader_parts_mutex);
+
+       /* Some chips have RB+ registers, but don't support RB+. Those must
+        * always disable it.
+        */
+       if (sscreen->b.family == CHIP_STONEY ||
+           sscreen->b.chip_class >= GFX9) {
+               sscreen->b.has_rbplus = true;
+
+               sscreen->b.rbplus_allowed =
+                       !(sscreen->b.debug_flags & DBG_NO_RB_PLUS) &&
+                       sscreen->b.family == CHIP_STONEY;
+       }
+
+       (void) mtx_init(&sscreen->shader_parts_mutex, mtx_plain);
        sscreen->use_monolithic_shaders =
-               HAVE_LLVM < 0x0308 ||
                (sscreen->b.debug_flags & DBG_MONOLITHIC_SHADERS) != 0;
 
        sscreen->b.barrier_flags.cp_to_L2 = SI_CONTEXT_INV_SMEM_L1 |
@@ -834,21 +921,19 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
        if (debug_get_bool_option("RADEON_DUMP_SHADERS", false))
                sscreen->b.debug_flags |= DBG_FS | DBG_VS | DBG_GS | DBG_PS | DBG_CS;
 
-       /* Only enable as many threads as we have target machines and CPUs. */
-       num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-       num_compiler_threads = MIN2(num_cpus, ARRAY_SIZE(sscreen->tm));
-
        for (i = 0; i < num_compiler_threads; i++)
                sscreen->tm[i] = si_create_llvm_target_machine(sscreen);
 
-       util_queue_init(&sscreen->shader_compiler_queue, "si_shader",
-                        32, num_compiler_threads);
-
        /* Create the auxiliary context. This must be done last. */
        sscreen->b.aux_context = sscreen->b.b.context_create(&sscreen->b.b, NULL, 0);
 
        if (sscreen->b.debug_flags & DBG_TEST_DMA)
                r600_test_dma(&sscreen->b);
 
+       if (sscreen->b.debug_flags & (DBG_TEST_VMFAULT_CP |
+                                     DBG_TEST_VMFAULT_SDMA |
+                                     DBG_TEST_VMFAULT_SHADER))
+               si_test_vmfault(sscreen);
+
        return &sscreen->b.b;
 }