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[1/3] drm/i915: Use ilk_init_lp_watermarks() on BDW

Message ID 1432056777-963-1-git-send-email-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ville Syrjälä May 19, 2015, 5:32 p.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

We're not using ilk_init_lp_watermarks() on BDW for some reason.
Probably due to the BDW patches and the relevant WM patches landing
roughlly at the same time. Fix it up.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Jesse Barnes May 21, 2015, 8:16 p.m. UTC | #1 
On 05/19/2015 10:32 AM, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> We're not using ilk_init_lp_watermarks() on BDW for some reason.
> Probably due to the BDW patches and the relevant WM patches landing
> roughlly at the same time. Fix it up.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index ce1d079..206bd41 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -6166,9 +6166,7 @@ static void broadwell_init_clock_gating(struct drm_device *dev)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	enum pipe pipe;
>  
> -	I915_WRITE(WM3_LP_ILK, 0);
> -	I915_WRITE(WM2_LP_ILK, 0);
> -	I915_WRITE(WM1_LP_ILK, 0);
> +	ilk_init_lp_watermarks(dev);
>  
>  	/* WaSwitchSolVfFArbitrationPriority:bdw */
>  	I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);
> 

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ce1d079..206bd41 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6166,9 +6166,7 @@  static void broadwell_init_clock_gating(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	enum pipe pipe;
 
-	I915_WRITE(WM3_LP_ILK, 0);
-	I915_WRITE(WM2_LP_ILK, 0);
-	I915_WRITE(WM1_LP_ILK, 0);
+	ilk_init_lp_watermarks(dev);
 
 	/* WaSwitchSolVfFArbitrationPriority:bdw */
 	I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);