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authorDave Airlie <airlied@redhat.com>2019-07-18 10:44:10 +1000
committerJuan A. Suarez Romero <jasuarez@igalia.com>2019-07-19 08:40:05 +0000
commitf17ff71f49010fd808827d8657aaf8a90d534090 (patch)
treeb2a7837ad572a083fcfe50f5fbda605b2bf89a60
parentd86b14ecbb71bdbd4512c877c5acb34befd05f2c (diff)
radv: fix crash in shader tracing.
Enabling tracing, and then having a vmfault, can leads to a segfault before we print out the traces, as if a meta shader is executing and we don't have the NIR for it. Just pass the stage and give back a default. Fixes: 9b9ccee4d64 ("radv: take LDS into account for compute shader occupancy stats") Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> (cherry picked from commit 2ac2b987801c60e5e141354ee1759b63ca85bf4c)
-rw-r--r--src/amd/vulkan/radv_nir_to_llvm.c8
-rw-r--r--src/amd/vulkan/radv_private.h1
-rw-r--r--src/amd/vulkan/radv_shader.c2
3 files changed, 8 insertions, 3 deletions
diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
index 5a34a85d7b4..5201f46b3a8 100644
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -3610,9 +3610,10 @@ ac_setup_rings(struct radv_shader_context *ctx)
unsigned
radv_nir_get_max_workgroup_size(enum chip_class chip_class,
+ gl_shader_stage stage,
const struct nir_shader *nir)
{
- switch (nir->info.stage) {
+ switch (stage) {
case MESA_SHADER_TESS_CTRL:
return chip_class >= CIK ? 128 : 64;
case MESA_SHADER_GEOMETRY:
@@ -3623,6 +3624,8 @@ radv_nir_get_max_workgroup_size(enum chip_class chip_class,
return 0;
}
+ if (!nir)
+ return chip_class >= GFX9 ? 128 : 64;
unsigned max_workgroup_size = nir->info.cs.local_size[0] *
nir->info.cs.local_size[1] *
nir->info.cs.local_size[2];
@@ -3689,7 +3692,8 @@ LLVMModuleRef ac_translate_nir_to_llvm(struct ac_llvm_compiler *ac_llvm,
for (int i = 0; i < shader_count; ++i) {
ctx.max_workgroup_size = MAX2(ctx.max_workgroup_size,
radv_nir_get_max_workgroup_size(ctx.options->chip_class,
- shaders[i]));
+ shaders[i]->info.stage,
+ shaders[i]));
}
create_function(&ctx, shaders[shader_count - 1]->info.stage, shader_count >= 2,
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index b0bcb57e7e4..31c829d345b 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -1994,6 +1994,7 @@ void radv_compile_nir_shader(struct ac_llvm_compiler *ac_llvm,
const struct radv_nir_compiler_options *options);
unsigned radv_nir_get_max_workgroup_size(enum chip_class chip_class,
+ gl_shader_stage stage,
const struct nir_shader *nir);
/* radv_shader_info.h */
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index ea9f3d97ac9..1f9fa487688 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -765,7 +765,7 @@ generate_shader_stats(struct radv_device *device,
lds_increment);
} else if (stage == MESA_SHADER_COMPUTE) {
unsigned max_workgroup_size =
- radv_nir_get_max_workgroup_size(chip_class, variant->nir);
+ radv_nir_get_max_workgroup_size(chip_class, stage, variant->nir);
lds_per_wave = (conf->lds_size * lds_increment) /
DIV_ROUND_UP(max_workgroup_size, 64);
}