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authorLe Ma <le.ma@amd.com>2019-10-11 18:21:16 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-10-15 15:49:14 -0400
commit956f670509df28e94147e2fc1ee756c491af4d8a (patch)
treee39d083c2084c407928c55b913b46c9b48d56543 /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
parent402c60d7b076548511a95330fefdcca9523901c7 (diff)
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.c8
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,