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| author | Shaoyun Liu <Shaoyun.Liu@amd.com> | 2017-07-05 10:56:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 11:06:11 -0400 |
| commit | 57ea8c7b4d831caac27631329507baf2fbe094ae (patch) | |
| tree | 67a4561ac1009ef837098c4c9fe09eee808441d3 /drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | |
| parent | c708535e9ced6213b7c327eff88970e95515ec8a (diff) | |
| download | lwn-57ea8c7b4d831caac27631329507baf2fbe094ae.tar.gz lwn-57ea8c7b4d831caac27631329507baf2fbe094ae.zip | |
drm/amdgpu: NO KIQ usage on nbio hdp flush routine
nbio hdp flush routine are called within atomic context.
Avoid use KIQ when write to the HDP_MEM_COHERENCY_FLUSH_CNTL register
since this register has its own VF copy
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@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/nbio_v6_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c index 1e272f785def..61c00281a61b 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -67,7 +67,7 @@ void nbio_v6_1_mc_access_enable(struct amdgpu_device *adev, bool enable) void nbio_v6_1_hdp_flush(struct amdgpu_device *adev) { - WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0); + WREG32_SOC15_NO_KIQ(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0); } u32 nbio_v6_1_get_memsize(struct amdgpu_device *adev) |