[Intel-gfx] [PATCH 1/5] drm/i915: Add RPS debugfs manual mode

[Daniel Vetter]

On Fri, Jan 31, 2014 at 03:42:48PM -0600, jeff.mcgee at intel.com wrote:
> From: Jeff McGee <jeff.mcgee at intel.com>
> 
> RPS manual mode disables/ignores load-based inputs and allows render
> performance state to be controlled externally. The enabling of manual
> mode and setting of desired frequency is done through debugfs.
> 
> i915_rps_manual:
> '0' - RPS controlled normally using load metrics.
> '1' - RPS controlled manually via i915_cur_freq writes.
> 
> i915_cur_freq:
> u64 - Value is the current gpu frequency request in MHz. Writes
>       accepted only if i915_rps_manual = 1.
> 
> Supports Gen6+ except Valleyview and Broadwell.
> 
> Signed-off-by: Jeff McGee <jeff.mcgee at intel.com>

Hm, can't we fake this by setting min/max to the same values?
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch