From: Alex Deucher <alexdeucher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 3/6] drm/amdgpu/pm: document pp_table
Date: Thu, 19 Apr 2018 15:05:11 -0500 [thread overview]
Message-ID: <20180419200514.29136-4-alexander.deucher@amd.com> (raw)
In-Reply-To: <20180419200514.29136-1-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
This file is for uploading new powerplay tables.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index e33e0f4c4a28..9982f1b1f8c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -408,6 +408,17 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev,
return count;
}
+/**
+ * DOC: pp_table
+ *
+ * The amdgpu driver provides a sysfs API for uploading new powerplay
+ * tables. The file pp_table is used for this. Reading the file
+ * will dump the current power play table. Writing to the file
+ * will attempt to upload a new powerplay table and re-initialize
+ * powerplay using that new table.
+ *
+ */
+
static ssize_t amdgpu_get_pp_table(struct device *dev,
struct device_attribute *attr,
char *buf)
--
2.13.6
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next prev parent reply other threads:[~2018-04-19 20:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-19 20:05 [PATCH 0/6] Add documentation power related sysfs interfaces Alex Deucher
[not found] ` <20180419200514.29136-1-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
2018-04-19 20:05 ` [PATCH 1/6] drm/amdgpu/pm: document power_dpm_force_performance_level Alex Deucher
2018-04-19 20:05 ` [PATCH 2/6] drm/amdgpu/pm: document power_dpm_state Alex Deucher
2018-04-19 20:05 ` Alex Deucher [this message]
2018-04-19 20:05 ` [PATCH 4/6] drm/amdgpu/pm: document pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie Alex Deucher
[not found] ` <20180419200514.29136-5-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
2018-04-20 6:16 ` Zhu, Rex
[not found] ` <CY4PR12MB1687A0B523B78812CA764ECBFBB40-rpdhrqHFk06Y0SjTqZDccQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2018-04-20 19:35 ` Alex Deucher
2018-04-19 20:05 ` [PATCH 5/6] drm/amdgpu/pm: document pp_power_profile_mode Alex Deucher
2018-04-19 20:05 ` [PATCH 6/6] drm/amdgpu/pm: document pp_od_clk_voltage Alex Deucher
2018-04-19 21:45 ` [PATCH 0/6] Add documentation power related sysfs interfaces Felix Kuehling
2018-04-20 5:09 ` Huang Rui
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