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| author | Patrik Jakobsson <patrik.jakobsson@linux.intel.com> | 2015-11-16 15:01:06 +0100 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2015-11-17 19:55:20 +0100 |
| commit | 443646c7ee2749ae4b09f05dfe643d95c43f960f (patch) | |
| tree | 0122dc30b75eed5fec0f59246d33e1c716598dcb /drivers/gpu/drm/i915/i915_params.c | |
| parent | drm/i915/gen9: Turn DC handling into a power well (diff) | |
| download | linux-443646c7ee2749ae4b09f05dfe643d95c43f960f.tar.xz linux-443646c7ee2749ae4b09f05dfe643d95c43f960f.zip | |
drm/i915/gen9: Add boot parameter for disabling DC6
v2: Use _unsafe (Jani)
v3: Allow specifying specific DC-states instead of just DC6 (Imre)
Signed-off-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447682467-6237-3-git-send-email-patrik.jakobsson@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_params.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 8ce9a99b538f..07a79b90315c 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -32,6 +32,7 @@ struct i915_params i915 __read_mostly = { .panel_use_ssc = -1, .vbt_sdvo_panel_type = -1, .enable_rc6 = -1, + .enable_dc = -1, .enable_fbc = -1, .enable_execlists = -1, .enable_hangcheck = true, @@ -79,6 +80,11 @@ MODULE_PARM_DESC(enable_rc6, "For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. " "default: -1 (use per-chip default)"); +module_param_named_unsafe(enable_dc, i915.enable_dc, int, 0400); +MODULE_PARM_DESC(enable_dc, + "Enable power-saving display C-states. " + "(-1=auto [default]; 0=disable; 1=up to DC5; 2=up to DC6)"); + module_param_named_unsafe(enable_fbc, i915.enable_fbc, int, 0600); MODULE_PARM_DESC(enable_fbc, "Enable frame buffer compression for power savings " |