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| author | Le Ma <le.ma@amd.com> | 2023-02-03 14:38:33 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:52:41 -0400 |
| commit | 35ff4301ebc37bd45c18edae08afd2983dc9a338 (patch) | |
| tree | 71800dd74286de678a6c9e43c49f8d9c24ddbd66 /drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | |
| parent | 7b08b2e1caa04757bc7a35a46b3d5c83b1748423 (diff) | |
| download | linux-35ff4301ebc37bd45c18edae08afd2983dc9a338.tar.gz linux-35ff4301ebc37bd45c18edae08afd2983dc9a338.tar.bz2 linux-35ff4301ebc37bd45c18edae08afd2983dc9a338.zip | |
drm/amdgpu: enable context empty interrupt on sdma v4.4.2
With SDMA_CTNL.CTXEMPTY_INT_ENABLE set, the F32 clock can be gated when
SDMA finishes all job and goes to idle.
And no specific interrupt handling is required in driver.
Signed-off-by: Le Ma <le.ma@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/sdma_v4_4_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c index 729e26a4a2e7..7aa26e716a2d 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c @@ -890,6 +890,8 @@ static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev, /* set utc l1 enable flag always to 1 */ temp = RREG32_SDMA(i, regSDMA_CNTL); temp = REG_SET_FIELD(temp, SDMA_CNTL, UTC_L1_ENABLE, 1); + /* enable context empty interrupt during initialization */ + temp = REG_SET_FIELD(temp, SDMA_CNTL, CTXEMPTY_INT_ENABLE, 1); WREG32_SDMA(i, regSDMA_CNTL, temp); if (!amdgpu_sriov_vf(adev)) { |