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Documentation/amdgpu: Modify pp_dpm_*clk details

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pp_dpm_*clk nodes also could show the frequencies when a clock is in
'sleep' state. Add documentation related to that.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-08-25 17:02:58 +05:30 committed by Alex Deucher
parent 7f4ce7b50a
commit 615585d09b
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/amd/pm/amdgpu_pm.c
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@ -983,7 +983,15 @@ static ssize_t amdgpu_get_pp_features(struct device *dev,
* pp_dpm_fclk interface is only available for Vega20 and later ASICs.
*
* Reading back the files will show you the available power levels within
* the power state and the clock information for those levels.
* the power state and the clock information for those levels. If deep sleep is
* applied to a clock, the level will be denoted by a special level 'S:'
* E.g.,
* S: 19Mhz *
* 0: 615Mhz
* 1: 800Mhz
* 2: 888Mhz
* 3: 1000Mhz
*
*
* To manually adjust these states, first select manual using
* power_dpm_force_performance_level.