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| author | Le Ma <le.ma@amd.com> | 2019-10-11 18:21:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-15 15:49:14 -0400 |
| commit | 956f670509df28e94147e2fc1ee756c491af4d8a (patch) | |
| tree | e39d083c2084c407928c55b913b46c9b48d56543 /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | |
| parent | 402c60d7b076548511a95330fefdcca9523901c7 (diff) | |
| download | linux-956f670509df28e94147e2fc1ee756c491af4d8a.tar.gz linux-956f670509df28e94147e2fc1ee756c491af4d8a.tar.bz2 linux-956f670509df28e94147e2fc1ee756c491af4d8a.zip | |
drm/amdgpu/soc15: disable doorbell interrupt as part of BACO entry sequence
Workaround to make RAS recovery work in BACO reset.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 238c2483496a..0db458f9fafc 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -502,6 +502,13 @@ static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev, } } +static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev, + bool enable) +{ + WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL, + DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1); +} + const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset, @@ -516,6 +523,7 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_4_ih_doorbell_range, + .enable_doorbell_interrupt = nbio_v7_4_enable_doorbell_interrupt, .update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating, .update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep, .get_clockgating_state = nbio_v7_4_get_clockgating_state, |