[Intel-gfx] [PATCH 04/25] drm/i915: calculate watermarks for devices that have 3 pipes

[Eugeni Dodonov]

This adds proper support for calculating those watermarks, checking for
number of available pipes instead of specific GPU variants when deciding
if watermarks for 3rd pipe are necessary.

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4389234..21587f8 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1803,8 +1803,7 @@ static void sandybridge_update_wm(struct drm_device *dev)
 		enabled |= 2;
 	}
 
-	/* IVB has 3 pipes */
-	if (IS_IVYBRIDGE(dev) &&
+	if ((dev_priv->num_pipe == 3) &&
 	    g4x_compute_wm0(dev, 2,
 			    &sandybridge_display_wm_info, latency,
 			    &sandybridge_cursor_wm_info, latency,
-- 
1.7.10