Enable the cleaner shader for GFX11.0.0/11.0.2 GPUs to provide data
isolation between GPU workloads. The cleaner shader is responsible for
clearing the Local Data Store (LDS), Vector General Purpose Registers
(VGPRs), and Scalar General Purpose Registers (SGPRs), which helps
prevent data leakage and ensures accurate computation results.
This update extends cleaner shader support to GFX11.0.0/11.0.2 GPUs,
previously available for GFX11.0.3. It enhances security by clearing GPU
memory between processes and maintains a consistent GPU state across KGD
and KFD workloads.
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
Suggested-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 4945e9bf0154..9635f091edc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1589,6 +1589,8 @@ static int gfx_v11_0_sw_init(struct amdgpu_ip_block *ip_block)
}
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
+ case IP_VERSION(11, 0, 0):
+ case IP_VERSION(11, 0, 2):
case IP_VERSION(11, 0, 3):
adev->gfx.cleaner_shader_ptr = gfx_11_0_3_cleaner_shader_hex;
adev->gfx.cleaner_shader_size = sizeof(gfx_11_0_3_cleaner_shader_hex);
--
2.34.1
