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| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-26 02:40:45 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 13:07:04 -0400 |
| commit | 00ecd8a27c03b6dd463ab8755dd6d58751d76297 (patch) | |
| tree | a6f5728fd232ff6b31c967206a8e8e3f26d0bcad /drivers/gpu/drm/amd/amdgpu/cik_ih.c | |
| parent | drm/amdkfd: Use PASID manager from KGD (diff) | |
| download | linux-dev-00ecd8a27c03b6dd463ab8755dd6d58751d76297.tar.xz linux-dev-00ecd8a27c03b6dd463ab8755dd6d58751d76297.zip | |
drm/amdgpu: Add prescreening stage in IH processing (v2)
To filter out high-frequency interrupts that can be safely ignored.
v2: squash in trivial typo fix for si (Alex)
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_ih.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index b8918432c572..07d3d895da10 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -228,6 +228,19 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev) * [127:96] - reserved */ +/** + * cik_ih_prescreen_iv - prescreen an interrupt vector + * + * @adev: amdgpu_device pointer + * + * Returns true if the interrupt vector should be further processed. + */ +static bool cik_ih_prescreen_iv(struct amdgpu_device *adev) +{ + /* Process all interrupts */ + return true; +} + /** * cik_ih_decode_iv - decode an interrupt vector * @@ -433,6 +446,7 @@ static const struct amd_ip_funcs cik_ih_ip_funcs = { static const struct amdgpu_ih_funcs cik_ih_funcs = { .get_wptr = cik_ih_get_wptr, + .prescreen_iv = cik_ih_prescreen_iv, .decode_iv = cik_ih_decode_iv, .set_rptr = cik_ih_set_rptr }; |