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drm/amd/powerplay: ack the SMUToHost interrupt on receive V2

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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>
This commit is contained in:
Evan Quan 2020-05-12 19:06:37 +08:00 committed by Alex Deucher
parent 9271dfd9e0
commit cc831b9781
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
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@ -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");