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-rw-r--r--src/amd/vulkan/radv_debug.h1
-rw-r--r--src/amd/vulkan/radv_device.c6
2 files changed, 4 insertions, 3 deletions
diff --git a/src/amd/vulkan/radv_debug.h b/src/amd/vulkan/radv_debug.h
index 0e22e1663aa..6276589d025 100644
--- a/src/amd/vulkan/radv_debug.h
+++ b/src/amd/vulkan/radv_debug.h
@@ -69,6 +69,7 @@ enum {
RADV_PERFTEST_CS_WAVE_32 = 0x100,
RADV_PERFTEST_PS_WAVE_32 = 0x200,
RADV_PERFTEST_GE_WAVE_32 = 0x400,
+ RADV_PERFTEST_DFSM = 0x800,
};
bool
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 567fe00ac0f..af8607c1559 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -499,6 +499,7 @@ static const struct debug_control radv_perftest_options[] = {
{"cswave32", RADV_PERFTEST_CS_WAVE_32},
{"pswave32", RADV_PERFTEST_PS_WAVE_32},
{"gewave32", RADV_PERFTEST_GE_WAVE_32},
+ {"dfsm", RADV_PERFTEST_DFSM},
{NULL, 0}
};
@@ -1960,10 +1961,9 @@ VkResult radv_CreateDevice(
device->pbb_allowed = device->physical_device->rad_info.chip_class >= GFX9 &&
!(device->instance->debug_flags & RADV_DEBUG_NOBINNING);
+ /* Disable DFSM by default. As of 2019-09-15 Talos on Low is still 3% slower on Raven. */
device->dfsm_allowed = device->pbb_allowed &&
- (device->physical_device->rad_info.family == CHIP_RAVEN ||
- device->physical_device->rad_info.family == CHIP_RAVEN2 ||
- device->physical_device->rad_info.family == CHIP_RENOIR);
+ (device->instance->perftest_flags & RADV_PERFTEST_DFSM);
#ifdef ANDROID
device->always_use_syncobj = device->physical_device->rad_info.has_syncobj_wait_for_submit;