diff options
| author | Alex Sierra <alex.sierra@amd.com> | 2020-03-19 02:26:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-01 21:44:44 +0300 |
| commit | b635ae8744e181dcd3a1d7861be09dbc1b56b44f (patch) | |
| tree | 7dea13cf66fc6cf99104305b1eabe6656ce550fd /drivers/gpu | |
| parent | 04cdac5c17f0336ee53e14a2d839a1b75ed45ebf (diff) | |
| download | linux-b635ae8744e181dcd3a1d7861be09dbc1b56b44f.tar.xz | |
drm/amdgpu: ih doorbell size of range changed for nbio v7.4
[Why]
nbio v7.4 size of ih doorbell range is 64 bit. This requires 2 DWords per register.
[How]
Change ih doorbell size from 2 to 4. This means two Dwords per ring.
Current configuration uses two ih rings.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 41c53c149852..72bdd06ed508 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -185,7 +185,7 @@ static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev, if (use_doorbell) { ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index); - ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2); + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 4); } else ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0); |