drm/amd/powerplay: report correct AC/DC event based on ctxid V2

'ctxid' is used to distinguish different events raised from SMC.
0x3 and 0x4 are for AC and DC power mode.

V2: update the way to retrieve the ctxid and change the log level
    to debug

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>

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 3979973680ecc0002b33fcfc0d9bc63e6ff146af..3391d1c4bbbedf3e8ec1cc7d4410d9eea6c0062f 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1556,6 +1556,11 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev,
 {
        uint32_t client_id = entry->client_id;
        uint32_t src_id = entry->src_id;
+       /*
+        * ctxid is used to distinguish different
+        * events for SMCToHost interrupt.
+        */
+       uint32_t ctxid = entry->src_data[0];
 
        if (client_id == SOC15_IH_CLIENTID_THM) {
                switch (src_id) {
@@ -1596,8 +1601,18 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev,
                dev_emerg(adev->dev, "System is going to shutdown due to HW CTF!\n");
                orderly_poweroff(true);
        } else if (client_id == SOC15_IH_CLIENTID_MP1) {
-               if (src_id == 0xfe)
-                       smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+               if (src_id == 0xfe) {
+                       switch (ctxid) {
+                       case 0x3:
+                               dev_dbg(adev->dev, "Switched to AC mode!\n");
+                               smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+                               break;
+                       case 0x4:
+                               dev_dbg(adev->dev, "Switched to DC mode!\n");
+                               smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+                               break;
+                       }
+               }
        }
 
        return 0;