drm/amd/powerplay: ack the SMUToHost interrupt on receive V2 (cc831b97) · Commits · 戴 / test

There will be no further interrupt without proper ack for current one. V2: fix typo to really set ACK bit only Signed-off-by:

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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");