From: Sean Paul <seanpaul@xxxxxxxxxxxx> Enable LVDS downclocking in the intel i915 graphics driver. This will save approximately 200mW when the screen is idle. Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx> BUG=chromium-os:9803 TEST=Tested on alex and lumpy Change-Id: I6fe403c8d9d520901a01549ad6b5eff80de318f3 Reviewed-on: https://gerrit.chromium.org/gerrit/14815 Reviewed-by: Stéphane Marchesin <marcheu@xxxxxxxxxxxx> Commit-Ready: Sean Paul <seanpaul@xxxxxxxxxxxx> Tested-by: Sean Paul <seanpaul@xxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index cdcc7c0..5351f58 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -78,7 +78,7 @@ MODULE_PARM_DESC(i915_enable_fbc, "Enable frame buffer compression for power savings " "(default: -1 (use per-chip default))"); -unsigned int i915_lvds_downclock __read_mostly = 0; +unsigned int i915_lvds_downclock __read_mostly = 1; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); MODULE_PARM_DESC(lvds_downclock, "Use panel (LVDS/eDP) downclocking for power savings " -- 1.8.3.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
