- There is a DPM issue where if DC is not present,
FCLK will stay at low level.
We need to send a SMU message to configure the DPM
- Reuse smu_v13_0_notify_display_change() for this purpose
Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
Signed-off-by: Bokun Zhang <bokun.zhang@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 5 +----
.../drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h | 5 ++++-
drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h | 3 ++-
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 10 ++++------
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 2 ++
5 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 6e2069dcb6b9..a719ad9f7bd0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -1043,10 +1043,7 @@ struct pptable_funcs {
enum smu_feature_mask mask);
/**
- * @notify_display_change: Enable fast memory clock switching.
- *
- * Allows for fine grained memory clock switching but has more stringent
- * timing requirements.
+ * @notify_display_change: General interface call to let SMU know about DC change
*/
int (*notify_display_change)(struct smu_context *smu);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
index 10cff75b44d5..e2ee855c7748 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
@@ -138,7 +138,10 @@
#define PPSMC_MSG_SetBadMemoryPagesRetiredFlagsPerChannel 0x4A
#define PPSMC_MSG_SetPriorityDeltaGain 0x4B
#define PPSMC_MSG_AllowIHHostInterrupt 0x4C
-#define PPSMC_Message_Count 0x4D
+
+#define PPSMC_MSG_DALNotPresent 0x4E
+
+#define PPSMC_Message_Count 0x4F
//Debug Dump Message
#define DEBUGSMC_MSG_TestMessage 0x1
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
index 297b70b9388f..f71fc99447f2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
@@ -245,7 +245,8 @@
__SMU_DUMMY_MAP(AllowGpo), \
__SMU_DUMMY_MAP(Mode2Reset), \
__SMU_DUMMY_MAP(RequestI2cTransaction), \
- __SMU_DUMMY_MAP(GetMetricsTable),
+ __SMU_DUMMY_MAP(GetMetricsTable), \
+ __SMU_DUMMY_MAP(DALNotPresent),
#undef __SMU_DUMMY_MAP
#define __SMU_DUMMY_MAP(type) SMU_MSG_##type
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 895cda8e6934..4b8842fc9574 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -838,12 +838,10 @@ int smu_v13_0_notify_display_change(struct smu_context *smu)
{
int ret = 0;
- if (!smu->pm_enabled)
- return ret;
-
- if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT) &&
- smu->adev->gmc.vram_type == AMDGPU_VRAM_TYPE_HBM)
- ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetUclkFastSwitch, 1, NULL);
+ if (!amdgpu_device_has_dc_support(smu->adev))
+ {
+ ret = smu_cmn_send_smc_msg(smu, SMU_MSG_DALNotPresent, NULL);
+ }
return ret;
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 48b03524a52d..d75f500b50ee 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -160,6 +160,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(AllowGpo, PPSMC_MSG_SetGpoAllow, 0),
MSG_MAP(AllowIHHostInterrupt, PPSMC_MSG_AllowIHHostInterrupt, 0),
MSG_MAP(ReenableAcDcInterrupt, PPSMC_MSG_ReenableAcDcInterrupt, 0),
+ MSG_MAP(DALNotPresent, PPSMC_MSG_DALNotPresent, 0),
};
static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = {
@@ -2680,6 +2681,7 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
.send_hbm_bad_channel_flag = smu_v13_0_0_send_bad_mem_channel_flag,
.gpo_control = smu_v13_0_gpo_control,
.get_ecc_info = smu_v13_0_0_get_ecc_info,
+ .notify_display_change = smu_v13_0_notify_display_change,
};
void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)
--
2.25.1
