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drm/amdgpu: Add a kernel parameter for specifying the asic type

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As more and more new asics start to reuse the old device IDs before
launch, there is a need to quickly override the existing asic type
corresponding to the reused device ID through a kernel parameter. With
this, engineers no longer need to rely on local hack patches,
facilitating cooperation across teams.

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yong Zhao
2019-08-30 18:09:10 -04:00
committed by Alex Deucher
parent bb42eda284
commit 4e66d7d215
4 changed files with 45 additions and 28 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -168,6 +168,7 @@ extern int amdgpu_mcbp;
extern int amdgpu_discovery;
extern int amdgpu_mes;
extern int amdgpu_noretry;
extern int amdgpu_force_asic_type;
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;