diff options
author | Eric Anholt <[email protected]> | 2014-10-24 20:50:20 +0100 |
---|---|---|
committer | Eric Anholt <[email protected]> | 2014-10-28 17:15:36 -0700 |
commit | 8911879dec564ab2ef343d58e6de4fd558e35c3d (patch) | |
tree | 96d932b01a0b94f019abbc7e4a71fbc7d3f2ceff /src/gallium/drivers/vc4/kernel | |
parent | fc1eb614a70a777be0f4f8ada194bab53105999b (diff) |
vc4: Don't forget to validate code that's got PROG_END on it.
This signal doesn't terminate the program now, it terminates the program
soon. So you have to actually validate the code in the instruction.
Diffstat (limited to 'src/gallium/drivers/vc4/kernel')
-rw-r--r-- | src/gallium/drivers/vc4/kernel/vc4_validate_shaders.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/gallium/drivers/vc4/kernel/vc4_validate_shaders.c b/src/gallium/drivers/vc4/kernel/vc4_validate_shaders.c index 56c4a1767dc..fdce0335e12 100644 --- a/src/gallium/drivers/vc4/kernel/vc4_validate_shaders.c +++ b/src/gallium/drivers/vc4/kernel/vc4_validate_shaders.c @@ -261,6 +261,7 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj, case QPU_SIG_COLOR_LOAD: case QPU_SIG_LOAD_TMU0: case QPU_SIG_LOAD_TMU1: + case QPU_SIG_PROG_END: if (!check_instruction_writes(inst, validated_shader, &validation_state)) { DRM_ERROR("Bad write at ip %d\n", ip); @@ -270,6 +271,11 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj, if (!check_instruction_reads(inst, validated_shader)) goto fail; + if (sig == QPU_SIG_PROG_END) { + found_shader_end = true; + shader_end_ip = ip; + } + break; case QPU_SIG_LOAD_IMM: @@ -280,11 +286,6 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj, } break; - case QPU_SIG_PROG_END: - found_shader_end = true; - shader_end_ip = ip; - break; - default: DRM_ERROR("Unsupported QPU signal %d at " "instruction %d\n", sig, ip); |