v-2019.Q1.5

Driver installation instruction

2019-2-1 update

New feature and improvement

• Update Vulkan Headers to 1.1.97
• Enable the extensions under development (VK_EXT_DEBUG_UTILS, VK_KHR_SHADER_FLOAT16_INT8,VK_ EXT_TRANSFORM_FEEDBACK) through the environment variable AMDVLK_ENABLE_DEVELOPING_EXT (refer to the instruction here)
• Add proper handling of allocation failures

Issue fix

• Support for ECC GPR protection on Vega20
• A memory priority issue
• GFX7 indirect dispatch does not work correctly when submitted to a compute queue

v-2019.Q1.4

Driver installation instruction

Release notes:
2019-1-29 update

New feature and improvement

• Add Vega20 and Raven2 support
• Move VK_EXT_swapchain_colorspace to instance extension
• Report CPU clock speed to RGP

Issue fix

• Bugs in Release/acquire-based barrier
• Top pipelines identified by timeReport.py is mismatched with the dumped pipelines

v-2019.Q1.3

Driver installation instruction

Release notes
2019-1-24 update

New feature and improvement

• Enable EXT_INLINE_UNIFORM_BLOCK extension
• Enable EXT_PCI_BUS_INFO extension
• Enable inclusion of llvm-ir in section of ELF output
• Add barrier filtering

Issue fix

• CTS v1.1.2.2 failure in ./deqp-vk -n dEQP-VK.binding_model.descriptorset_random.sets32.noarray.ubolimitlow
• Wrong reported LDS size per threadgroup for GFX7+

v-2019.Q1.2

Driver installation instruction

2019-1-15 update

New feature and improvement

• Expose YUV planes, allow applications to implement their own color conversion accessing each YUV planes
• Do not include symbols while building release driver
• Change the default WgpMode from wgp to cu

Issue fix

• Random VM fault caused by that the image descriptor and the fmask descriptor contain the same lower virtual address (as designed) but use different offsets in the suballocation
• dxvk ELEX corruption issue
• Performance regression introduced by changes which added support for the LOAD_INDEX path for handling pipeline binds
• A number of issues affecting many-core CPUs like Threadripper and Epyc

v-2019.Q1.1

Driver installation instruction

2019-1-7 update

New feature and improvement

• Update Vulkan Headers to 1.1.96
• Add pipeline optimizer key to pipeline dump file
• Optimization for fully overwritten resolve
• Add atomicOp support for the variable pointer

Issue fix

• Performance regression with the Talos Principle
• A potential access violation
• A RGP regression
• Multi-process failure

v-2018.Q4.4

Driver installation instruction

2018-12-12 update

New feature and improvement

• Merge tbuffer.store.i32 with tbuffer.store.v2i32 and tbuffer.store.v4i32, up to 5% performance gain for tessellation
• Enable the atomic optimizer
• Update Vulkan headers to 1.1.94
• Enable primitiveUnderestimation capability of VK_EXT_conservative_rasterization

Issue fix

• GPU hang when Vulkan API accesses the stencil aspect of VK_Format_S8_Uint image explicitly
• CTS dEQP-VK.spirv_assembly.instruction.graphics.16bit_storage.struct_mixed_types.uniform_geom failure

v-2018.Q4.3

Driver installation instruction

2018-12-4 update

New feature and improvement

• Enable VK_EXT_scalar_block_layout extension
• Enable VK_KHR_swapchain_mutable_format extension
• Enable on-chip GSVS ring on GFX9, seeing up to 10% performance gain
• Add dccBitsPerPixelThreshold setting
• Re-enable tracing of missing registers in thread trace
• Remove some useless settings

Issue fix

• Undefined reference to vk::OverrideDispatchTable_ND(vk::DispatchTable*)
• Errors with multiple monitors and direct display
• dEQP-VK.api.device_init.create_instance_device_intentional_alloc_fail test failure
• Crash issue on Raven caused by the implementation of VK_AMD_memory_overallocation_behavior extension
• dEQP-VK.glsl.atomic_operations.*signed64bit failure on gfx7
• ELEX crash with Steam Proton
• CopyTextureRegion failure when copying a MSAA Resource in D32_FLOAT or D16_UNORM to a R32_UINT format
• GFX9: CB_DCC_CONTROL register is programmed incorrectly
• Perf counter instance incorrect calculation

v-2018.Q4.2

Driver installation instruction

2018-11-19 update

New feature and improvement

• Enable sparse support by default
• Enable VK_AMD_memory_overallocation_behavior extension
• Enable degenerate triangles for conservative rasterizations
• Add setting for exiting after compilation failure
• Add setting CsCuEnLimitMask for limiting CUs enabled for compute shaders
• Add the ability to dump debug stack traces
• Set default -log-file-dbgs to "" (meaning stderr): this brings amdllpc into line with other LLVM tools

Issue fix

• Can't clear a mutable format image
• CTS memory.pipeline_barrier.transfer_dst_storage_image tests fail
• MGPU asserts when creating graphics pipeline
• Wrong target device ID passed to PAL
• Dual source bend is being enabled when blending is disabled
• Regression dEQP-VK.wsi.wayland.swapchain.create.min_image_count test crashes
• Dependency on x11/xcb libraries even there is no x11/xcb surface created
• Assert in dEQP-VK.binding_model.descriptorset_random.*

v-2018.Q4.1

Driver installation instruction

2018-11-8 update

New feature and improvement

• Tidy amdllpc's use of spvgen
• amdllpc switched to using static vfx library
• amdllpc remove need for -auto-layout-desc option
• New amdllpc -verify-ir option: this option adds a verify pass after each pass in the LLPC compilation process
• Add panel setting for debugging shader
• Refine wayland window system support

Issue fix

• CB_DCC_CONTROL register is programmed incorrectly
• Barrier secondary buffer test failure
• Empty perf traces under gfx9
• external_memory_host.bind_image_memory_and_render tests failing on Vega10
• GFX9's hardware specific CmdBarrier functions forget to call its base function
• [GpuProfiler] ThreadTraceViewer CRCs for full frame captures