diff options
| author |   Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-01-29 11:27:07 -0800 |
|---|---|---|
| committer |   Eric Anholt <eric@anholt.net> | 2010-02-22 11:46:54 -0500 |
| commit | f97108d1d0facc7902134ebc453b226bbd4d1cdb (patch) | |
| tree | 563d14cb7c65b80e16df9246da25cade22f22fdd /drivers/gpu/drm/i915/intel_drv.h | |
| parent | drm/i915: enable memory self refresh on 9xx (diff) | |
| download | linux-dev-f97108d1d0facc7902134ebc453b226bbd4d1cdb.tar.xz linux-dev-f97108d1d0facc7902134ebc453b226bbd4d1cdb.zip | |
drm/i915: add dynamic performance control support for Ironlake
Ironlake (and 965GM, which this patch doesn't support) supports a
hardware performance and power management feature that allows it to
adjust to changes in GPU load over time with software help. The goal
if this is to maximize performance/power for a given workload.
This patch enables that feature, which is also a requirement for
supporting Intelligent Power Sharing, a feature which allows for
dynamic budgeting of power between the CPU and GPU in Arrandale
platforms.
Tested-by: ykzhao <yakui.zhao@intel.com>
[anholt: Resolved against the irq handler loop removal]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index a51573da1ff6..3a467ca57857 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -209,6 +209,8 @@ extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno); extern void intel_init_clock_gating(struct drm_device *dev); +extern void ironlake_enable_drps(struct drm_device *dev); +extern void ironlake_disable_drps(struct drm_device *dev); extern int intel_framebuffer_create(struct drm_device *dev, struct drm_mode_fb_cmd *mode_cmd, |