diff options
author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-26 02:40:45 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 13:07:04 -0400 |
commit | 00ecd8a27c03b6dd463ab8755dd6d58751d76297 (patch) | |
tree | a6f5728fd232ff6b31c967206a8e8e3f26d0bcad /drivers/gpu/drm/amd/amdgpu/si_ih.c | |
parent | d2791c45636927986f732482cbba4ed7c758a115 (diff) | |
download | linux-00ecd8a27c03b6dd463ab8755dd6d58751d76297.tar.gz |
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/si_ih.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si_ih.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c b/drivers/gpu/drm/amd/amdgpu/si_ih.c index ce25e03a077d..d2c6b80309c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c @@ -118,6 +118,19 @@ static u32 si_ih_get_wptr(struct amdgpu_device *adev) return (wptr & adev->irq.ih.ptr_mask); } +/** + * si_ih_prescreen_iv - prescreen an interrupt vector + * + * @adev: amdgpu_device pointer + * + * Returns true if the interrupt vector should be further processed. + */ +static bool si_ih_prescreen_iv(struct amdgpu_device *adev) +{ + /* Process all interrupts */ + return true; +} + static void si_ih_decode_iv(struct amdgpu_device *adev, struct amdgpu_iv_entry *entry) { @@ -288,6 +301,7 @@ static const struct amd_ip_funcs si_ih_ip_funcs = { static const struct amdgpu_ih_funcs si_ih_funcs = { .get_wptr = si_ih_get_wptr, + .prescreen_iv = si_ih_prescreen_iv, .decode_iv = si_ih_decode_iv, .set_rptr = si_ih_set_rptr }; |