AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-02 05:16:47 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/i915: Skip watermark merging for inactive pipes

Browse Source 
Even though the inactive pipes should have their watermarks set to all 0
with enable=true, we can possibly shave off a few cycles by completely
skipping the merge procedure for inactive pipes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-03-07 18:32:10 +02:00 committed by Daniel Vetter
parent 2a44b76bb5
commit fe392efdae
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/intel_pm.c
View File

@ -2206,8 +2206,11 @@ static void ilk_merge_wm_level(struct drm_device *dev,
const struct intel_crtc *intel_crtc;
list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head) {
const struct intel_wm_level *wm =
&intel_crtc->wm.active.wm[level];
const struct intel_pipe_wm *active = &intel_crtc->wm.active;
const struct intel_wm_level *wm = &active->wm[level];
if (!active->pipe_enabled)
continue;
if (!wm->enable)
return;