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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-08-09 18:02:09 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-08-09 20:27:43 +0200
commit5c536613d8ebda3da0448550d0a997651a6048e2 (patch)
tree76897bf8038b61c3ea411eee6324f3cb831440d1 /drivers/gpu/drm
parent6f6005a52b79c2b2e3d58d8ab63791c378ebf82c (diff)
downloadblackbird-op-linux-5c536613d8ebda3da0448550d0a997651a6048e2.tar.gz
blackbird-op-linux-5c536613d8ebda3da0448550d0a997651a6048e2.zip
drm/i915: Fix FB WM for HSW
Due to a misplaced memset(), we never actually enabled the FBC WM on HSW. Move the memset() to happen a bit earlier, so that it won't clobber results->enable_fbc_wm. 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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6643069eccdb..3ac5fe9d428a 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2681,6 +2681,8 @@ static void hsw_compute_wm_results(struct drm_device *dev,
break;
max_level = level - 1;
+ memset(results, 0, sizeof(*results));
+
/* The spec says it is preferred to disable FBC WMs instead of disabling
* a WM level. */
results->enable_fbc_wm = true;
@@ -2691,7 +2693,6 @@ static void hsw_compute_wm_results(struct drm_device *dev,
}
}
- memset(results, 0, sizeof(*results));
for (wm_lp = 1; wm_lp <= 3; wm_lp++) {
const struct intel_wm_level *r;
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