This is a note to let you know that I've just added the patch titled
drm/amd/pm: fulfill SMU13.0.0 cstate control interface
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-pm-fulfill-smu13.0.0-cstate-control-interface.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 528c0e66e0c01a8c078d2d94431db80f9c75d2a0 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@xxxxxxx>
Date: Thu, 29 Sep 2022 10:24:51 +0800
Subject: drm/amd/pm: fulfill SMU13.0.0 cstate control interface
From: Evan Quan <evan.quan@xxxxxxx>
commit 528c0e66e0c01a8c078d2d94431db80f9c75d2a0 upstream.
Fulfill the functionality for cstate control.
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0.x
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- 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
@@ -119,6 +119,7 @@ static struct cmn2asic_msg_mapping smu_v
MSG_MAP(NotifyPowerSource, PPSMC_MSG_NotifyPowerSource, 0),
MSG_MAP(Mode1Reset, PPSMC_MSG_Mode1Reset, 0),
MSG_MAP(PrepareMp1ForUnload, PPSMC_MSG_PrepareMp1ForUnload, 0),
+ MSG_MAP(DFCstateControl, PPSMC_MSG_SetExternalClientDfCstateAllow, 0),
};
static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = {
@@ -1753,6 +1754,15 @@ static int smu_v13_0_0_set_mp1_state(str
return ret;
}
+static int smu_v13_0_0_set_df_cstate(struct smu_context *smu,
+ enum pp_df_cstate state)
+{
+ return smu_cmn_send_smc_msg_with_param(smu,
+ SMU_MSG_DFCstateControl,
+ state,
+ NULL);
+}
+
static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
.get_allowed_feature_mask = smu_v13_0_0_get_allowed_feature_mask,
.set_default_dpm_table = smu_v13_0_0_set_default_dpm_table,
@@ -1822,6 +1832,7 @@ static const struct pptable_funcs smu_v1
.mode1_reset_is_support = smu_v13_0_0_is_mode1_reset_supported,
.mode1_reset = smu_v13_0_mode1_reset,
.set_mp1_state = smu_v13_0_0_set_mp1_state,
+ .set_df_cstate = smu_v13_0_0_set_df_cstate,
};
void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)
Patches currently in stable-queue which might be from evan.quan@xxxxxxx are
queue-6.0/drm-amd-pm-fulfill-smu13.0.0-cstate-control-interface.patch
queue-6.0/drm-amd-pm-fulfill-smu13.0.7-cstate-control-interface.patch
queue-6.0/drm-amd-pm-disable-cstate-feature-for-gpu-reset-scenario.patch
