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| author | Evan Quan <evan.quan@amd.com> | 2020-05-12 19:06:37 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-29 13:56:30 -0400 |
| commit | cc831b9781e871e2bde00e9ae0041152139ee304 (patch) | |
| tree | a1e063db6a7c90011ed8e79cdc1da659ffb87501 /drivers/gpu/drm/amd | |
| parent | 9271dfd9e0f79e2969dcbe28568bce0fdc4f8f73 (diff) | |
| download | linux-cc831b9781e871e2bde00e9ae0041152139ee304.tar.bz2 | |
drm/amd/powerplay: ack the SMUToHost interrupt on receive V2
There will be no further interrupt without proper ack
for current one.
V2: fix typo to really set ACK bit only
Signed-off-by: Evan Quan <evan.quan@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')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index ae0361e225bb..aa76c2cea747 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1561,6 +1561,7 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, * events for SMCToHost interrupt. */ uint32_t ctxid = entry->src_data[0]; + uint32_t data; if (client_id == SOC15_IH_CLIENTID_THM) { switch (src_id) { @@ -1590,6 +1591,11 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, orderly_poweroff(true); } else if (client_id == SOC15_IH_CLIENTID_MP1) { if (src_id == 0xfe) { + /* ACK SMUToHost interrupt */ + data = RREG32_SOC15(MP1, 0, mmMP1_SMN_IH_SW_INT_CTRL); + data = REG_SET_FIELD(data, MP1_SMN_IH_SW_INT_CTRL, INT_ACK, 1); + WREG32_SOC15(MP1, 0, mmMP1_SMN_IH_SW_INT_CTRL, data); + switch (ctxid) { case 0x3: dev_dbg(adev->dev, "Switched to AC mode!\n"); |