There will be no further interrupt without proper ack for current one. Change-Id: Iad5adcaf7dd5c3a773b3d93ee0922a424dba8ac8 Signed-off-by: Evan Quan <evan.quan@xxxxxxx> --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 80d6c296a599..beec4ae0b1d6 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1535,6 +1535,7 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, */ uint32_t ctxid = entry->src_data[0]; struct smu_context *smu = &adev->smu; + uint32_t data; if (client_id == SOC15_IH_CLIENTID_THM) { switch (src_id) { @@ -1576,6 +1577,11 @@ 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(0, 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"); -- 2.26.2 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx