On Tue, Aug 19, 2025 at 5:08 AM Jesse.Zhang <jesse.zh...@amd.com> wrote: > > This commit adds support for VCN reset functionality in SMU v13.0.12 by: > > 1. Adding two new PPSMC messages in smu_v13_0_12_ppsmc.h: > - PPSMC_MSG_ResetVCN (0x5E) > - PPSMC_MSG_CPPipeReset (0x5F) > - Updates PPSMC_Message_Count to 0x60 to account for new messages > > 2. Adding message mapping for ResetVCN in smu_v13_0_12_ppt.c: > - Maps SMU_MSG_ResetVCN to PPSMC_MSG_ResetVCN > > These changes enable proper VCN reset handling through the SMU firmware > interface for compatible AMD GPUs. > > Signed-off-by: Jesse Zhang <jesse.zh...@amd.com>
Acked-by: Alex Deucher <alexander.deuc...@amd.com> > --- > drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_12_ppsmc.h | 4 +++- > drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c | 1 + > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_12_ppsmc.h > b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_12_ppsmc.h > index aff2776a8b6f..037529eb70bb 100644 > --- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_12_ppsmc.h > +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_12_ppsmc.h > @@ -120,7 +120,9 @@ > #define PPSMC_MSG_GetBadPageSeverity 0x5B > #define PPSMC_MSG_GetSystemMetricsTable 0x5C > #define PPSMC_MSG_GetSystemMetricsVersion 0x5D > -#define PPSMC_Message_Count 0x5E > +#define PPSMC_MSG_ResetVCN 0x5E > +#define PPSMC_MSG_CPPipeReset 0x5F > +#define PPSMC_Message_Count 0x60 > > //PPSMC Reset Types for driver msg argument > #define PPSMC_RESET_TYPE_DRIVER_MODE_1_RESET 0x1 > diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c > b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c > index 32fd0be05cff..a3eb19f702d0 100644 > --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c > +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c > @@ -136,6 +136,7 @@ const struct cmn2asic_msg_mapping > smu_v13_0_12_message_map[SMU_MSG_MAX_COUNT] = > MSG_MAP(RmaDueToBadPageThreshold, > PPSMC_MSG_RmaDueToBadPageThreshold, 0), > MSG_MAP(SetThrottlingPolicy, > PPSMC_MSG_SetThrottlingPolicy, 0), > MSG_MAP(ResetSDMA, PPSMC_MSG_ResetSDMA, > 0), > + MSG_MAP(ResetVCN, PPSMC_MSG_ResetVCN, > 0), > MSG_MAP(GetStaticMetricsTable, > PPSMC_MSG_GetStaticMetricsTable, 1), > MSG_MAP(GetSystemMetricsTable, > PPSMC_MSG_GetSystemMetricsTable, 0), > }; > -- > 2.49.0 >
