diff mbox

[5/9] drm/i915: Don't initialize watermark stuff with PCH_NOP

Message ID 1363198868-21787-6-git-send-email-ben@bwidawsk.net (mailing list archive)
State New, archived
Headers show

Commit Message

Ben Widawsky March 13, 2013, 6:21 p.m. UTC 
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/gpu/drm/i915/intel_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Chris Wilson March 13, 2013, 6:47 p.m. UTC | #1 
On Wed, Mar 13, 2013 at 11:21:04AM -0700, Ben Widawsky wrote:
> Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 52203fd..3166aa4 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4175,7 +4175,7 @@ void intel_init_pm(struct drm_device *dev)
>  			dev_priv->display.init_clock_gating = gen6_init_clock_gating;
>  		} else if (IS_IVYBRIDGE(dev)) {
>  			/* FIXME: detect B0+ stepping and use auto training */
> -			if (SNB_READ_WM0_LATENCY()) {
> +			if (SNB_READ_WM0_LATENCY() && !HAS_PCH_NOP(dev)) {
Check for platform support first?
-Chris
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 52203fd..3166aa4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4175,7 +4175,7 @@  void intel_init_pm(struct drm_device *dev)
 			dev_priv->display.init_clock_gating = gen6_init_clock_gating;
 		} else if (IS_IVYBRIDGE(dev)) {
 			/* FIXME: detect B0+ stepping and use auto training */
-			if (SNB_READ_WM0_LATENCY()) {
+			if (SNB_READ_WM0_LATENCY() && !HAS_PCH_NOP(dev)) {
 				dev_priv->display.update_wm = ivybridge_update_wm;
 				dev_priv->display.update_sprite_wm = sandybridge_update_sprite_wm;
 			} else {