Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: disable graphics doorbell range for gfx v12_1
Disable doorbell range for graphics engine on gfx v12_1.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Likun Gao
and committed by
Alex Deucher
d0b6c5f2
77385a2d
+4
+4
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
+4
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
···
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static void gfx_v12_1_xcc_cp_set_doorbell_range(struct amdgpu_device *adev,
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int xcc_id)
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{
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+
/* disable gfx engine doorbell range */
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WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_RB_DOORBELL_RANGE_LOWER, 0);
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WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_RB_DOORBELL_RANGE_UPPER, 0);
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+
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/* set compute engine doorbell range */
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WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_MEC_DOORBELL_RANGE_LOWER,
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((adev->doorbell_index.kiq +