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authorChris Wilson <chris@chris-wilson.co.uk>2012-12-11 13:01:43 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-12-17 12:37:35 +0100
commitaf6c4575afada1a9c411e42439b5d40908865b11 (patch)
treeea797a979233723ff960231843a32b8aa23760bc /drivers
parentdrm/i915: Fixup cursor latency used for IVB lp3 watermarks (diff)
downloadlinux-af6c4575afada1a9c411e42439b5d40908865b11.tar.xz
linux-af6c4575afada1a9c411e42439b5d40908865b11.zip
drm/i915: Double the cursor self-refresh latency on Valleyview
It operates at twice the declared latency, so double the latency value used for the cursor watermark calculation. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50248 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> CC: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9f1ee07ec4ae..cdd70e654af5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1286,6 +1286,7 @@ static void valleyview_update_wm(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
int plane_sr, cursor_sr;
+ int ignore_plane_sr, ignore_cursor_sr;
unsigned int enabled = 0;
vlv_update_drain_latency(dev);
@@ -1308,7 +1309,12 @@ static void valleyview_update_wm(struct drm_device *dev)
sr_latency_ns,
&valleyview_wm_info,
&valleyview_cursor_wm_info,
- &plane_sr, &cursor_sr))
+ &plane_sr, &ignore_cursor_sr) &&
+ g4x_compute_srwm(dev, ffs(enabled) - 1,
+ 2*sr_latency_ns,
+ &valleyview_wm_info,
+ &valleyview_cursor_wm_info,
+ &ignore_plane_sr, &cursor_sr))
I915_WRITE(FW_BLC_SELF_VLV, FW_CSPWRDWNEN);
else
I915_WRITE(FW_BLC_SELF_VLV,