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authorKevin Wang2019-01-24 08:27:02 +0100
committerAlex Deucher2019-03-19 21:04:00 +0100
commitf14a323db5b0f6cca18b7908337c84b16b2f4e92 (patch)
treea3ae3da4e78a092d9ddec8aae759411c57aef7cc /drivers/gpu/drm/amd/powerplay/smu_v11_0.c
parentdrm/amd/powerplay: dpm clk can be set only when performance level is manual (diff)
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drm/amd/powerplay: implement update enabled feature state to smc for smu11
change: 1.when enable smu feature, the feature id will store sw-bitmap and smu controller. 2.add feature mutex lock to protect feature bitmap changed when update feature enabled state. Signed-off-by: Kevin Wang <kevin1.wang@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smu_v11_0.c47
1 files changed, 44 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 0e7f81a50dcf..400d981bda5a 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -615,27 +615,67 @@ static int smu_v11_0_init_display(struct smu_context *smu)
return ret;
}
+static int smu_v11_0_update_feature_enable_state(struct smu_context *smu, uint32_t feature_id, bool enabled)
+{
+ uint32_t feature_low = 0, feature_high = 0;
+ int ret = 0;
+
+ if (feature_id >= 0 && feature_id < 31)
+ feature_low = (1 << feature_id);
+ else if (feature_id > 31 && feature_id < 63)
+ feature_high = (1 << feature_id);
+ else
+ return -EINVAL;
+
+ if (enabled) {
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesLow,
+ feature_low);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesHigh,
+ feature_high);
+ if (ret)
+ return ret;
+
+ } else {
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesLow,
+ feature_low);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesHigh,
+ feature_high);
+ if (ret)
+ return ret;
+
+ }
+
+ return ret;
+}
+
static int smu_v11_0_set_allowed_mask(struct smu_context *smu)
{
struct smu_feature *feature = &smu->smu_feature;
int ret = 0;
uint32_t feature_mask[2];
+ mutex_lock(&feature->mutex);
if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64)
- return -EINVAL;
+ goto failed;
bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskHigh,
feature_mask[1]);
if (ret)
- return ret;
+ goto failed;
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskLow,
feature_mask[0]);
if (ret)
- return ret;
+ goto failed;
+failed:
+ mutex_unlock(&feature->mutex);
return ret;
}
@@ -1578,6 +1618,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
.get_enabled_mask = smu_v11_0_get_enabled_mask,
.enable_all_mask = smu_v11_0_enable_all_mask,
.disable_all_mask = smu_v11_0_disable_all_mask,
+ .update_feature_enable_state = smu_v11_0_update_feature_enable_state,
.notify_display_change = smu_v11_0_notify_display_change,
.get_power_limit = smu_v11_0_get_power_limit,
.get_current_clk_freq = smu_v11_0_get_current_clk_freq,