From: "Leo (Hanghong) Ma" hanghong.ma@amd.com

[Why & How] Dmesg errors are found on dcn3.1 during reset test, but it's not a really failure. So reduce it to a debug print.

Signed-off-by: Leo (Hanghong) Ma hanghong.ma@amd.com Reviewed-by: Nicholas Kazlauskas nicholas.kazlauskas@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit 1d925758ba1a5d2716a847903e2fd04efcbd9862) --- Add explicit definition for macro not present in 5.15.y currently

Backport to 5.15.y only, different backport for newer kernel. drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 +++- drivers/gpu/drm/amd/display/include/logger_types.h | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 93c20844848c..605b96873d8c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -3650,7 +3650,9 @@ bool dp_retrieve_lttpr_cap(struct dc_link *link) lttpr_dpcd_data, sizeof(lttpr_dpcd_data)); if (status != DC_OK) { - dm_error("%s: Read LTTPR caps data failed.\n", __func__); +#if defined(CONFIG_DRM_AMD_DC_DCN) + DC_LOG_DP2("%s: Read LTTPR caps data failed.\n", __func__); +#endif return false; }

diff --git a/drivers/gpu/drm/amd/display/include/logger_types.h b/drivers/gpu/drm/amd/display/include/logger_types.h index 571fcf23cea9..a3a9ea077f50 100644 --- a/drivers/gpu/drm/amd/display/include/logger_types.h +++ b/drivers/gpu/drm/amd/display/include/logger_types.h @@ -72,6 +72,9 @@ #define DC_LOG_DSC(...) DRM_DEBUG_KMS(__VA_ARGS__) #define DC_LOG_SMU(...) pr_debug("[SMU_MSG]:"__VA_ARGS__) #define DC_LOG_DWB(...) DRM_DEBUG_KMS(__VA_ARGS__) +#if defined(CONFIG_DRM_AMD_DC_DCN) +#define DC_LOG_DP2(...) DRM_DEBUG_KMS(__VA_ARGS__) +#endif

struct dal_logger;