[PATCH v2] drm/amd/pm: enable amdgpu smu send message log

[Feng, Kenneth]

[AMD Official Use Only - General]

Reviewed-by: Kenneth Feng <kenneth.feng at amd.com>


-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Yang Wang
Sent: Thursday, January 18, 2024 1:37 PM
To: amd-gfx at lists.freedesktop.org
Cc: Lazar, Lijo <Lijo.Lazar at amd.com>; Feng, Kenneth <Kenneth.Feng at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>
Subject: [PATCH v2] drm/amd/pm: enable amdgpu smu send message log

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From: Yang Wang <KevinYang.Wang at amd.com>

v1:
enable amdgpu smu driver message log.

v2:
add smu/pmfw response value into debug log.

Signed-off-by: Yang Wang <KevinYang.Wang at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 00cd615bbcdc..b8dbd4e25348 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -378,8 +378,15 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu,
        res = __smu_cmn_reg2errno(smu, reg);
        if (res != 0)
                __smu_cmn_reg_print_error(smu, reg, index, param, msg);
-       if (read_arg)
+       if (read_arg) {
                smu_cmn_read_arg(smu, read_arg);
+               dev_dbg(adev->dev, "smu send message: %s(%d) param: 0x%08x, resp: 0x%08x,\
+                       readval: 0x%08x\n",
+                       smu_get_message_name(smu, msg), index, param, reg, *read_arg);
+       } else {
+               dev_dbg(adev->dev, "smu send message: %s(%d) param: 0x%08x, resp: 0x%08x\n",
+                       smu_get_message_name(smu, msg), index, param, reg);
+       }
 Out:
        if (unlikely(adev->pm.smu_debug_mask & SMU_DEBUG_HALT_ON_ERROR) && res) {
                amdgpu_device_halt(adev);
--
2.34.1