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* [PATCH] drm/i915: use macros to assign mmio access functions
@ 2014-10-23  7:28 Yu Zhang
  2014-10-23 12:28 ` Daniel Vetter
  0 siblings, 1 reply; 3+ messages in thread
From: Yu Zhang @ 2014-10-23  7:28 UTC (permalink / raw)
  To: intel-gfx

Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_uncore.c | 76 ++++++++++++++-----------------------
 1 file changed, 28 insertions(+), 48 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 0b0f4f8..9b228e3 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -823,6 +823,22 @@ __gen4_write(64)
 #undef REG_WRITE_FOOTER
 #undef REG_WRITE_HEADER
 
+#define ASSIGN_WRITE_MMIO_VFUNCS(x) \
+do { \
+	dev_priv->uncore.funcs.mmio_writeb = x##_write8; \
+	dev_priv->uncore.funcs.mmio_writew = x##_write16; \
+	dev_priv->uncore.funcs.mmio_writel = x##_write32; \
+	dev_priv->uncore.funcs.mmio_writeq = x##_write64; \
+} while (0)
+
+#define ASSIGN_READ_MMIO_VFUNCS(x) \
+do { \
+	dev_priv->uncore.funcs.mmio_readb = x##_read8; \
+	dev_priv->uncore.funcs.mmio_readw = x##_read16; \
+	dev_priv->uncore.funcs.mmio_readl = x##_read32; \
+	dev_priv->uncore.funcs.mmio_readq = x##_read64; \
+} while (0)
+
 void intel_uncore_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -879,73 +895,37 @@ void intel_uncore_init(struct drm_device *dev)
 	switch (INTEL_INFO(dev)->gen) {
 	default:
 		if (IS_CHERRYVIEW(dev)) {
-			dev_priv->uncore.funcs.mmio_writeb  = chv_write8;
-			dev_priv->uncore.funcs.mmio_writew  = chv_write16;
-			dev_priv->uncore.funcs.mmio_writel  = chv_write32;
-			dev_priv->uncore.funcs.mmio_writeq  = chv_write64;
-			dev_priv->uncore.funcs.mmio_readb  = chv_read8;
-			dev_priv->uncore.funcs.mmio_readw  = chv_read16;
-			dev_priv->uncore.funcs.mmio_readl  = chv_read32;
-			dev_priv->uncore.funcs.mmio_readq  = chv_read64;
+			ASSIGN_WRITE_MMIO_VFUNCS(chv);
+			ASSIGN_READ_MMIO_VFUNCS(chv);
 
 		} else {
-			dev_priv->uncore.funcs.mmio_writeb  = gen8_write8;
-			dev_priv->uncore.funcs.mmio_writew  = gen8_write16;
-			dev_priv->uncore.funcs.mmio_writel  = gen8_write32;
-			dev_priv->uncore.funcs.mmio_writeq  = gen8_write64;
-			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
-			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
-			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
-			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
+			ASSIGN_WRITE_MMIO_VFUNCS(gen8);
+			ASSIGN_READ_MMIO_VFUNCS(gen6);
 		}
 		break;
 	case 7:
 	case 6:
 		if (IS_HASWELL(dev)) {
-			dev_priv->uncore.funcs.mmio_writeb  = hsw_write8;
-			dev_priv->uncore.funcs.mmio_writew  = hsw_write16;
-			dev_priv->uncore.funcs.mmio_writel  = hsw_write32;
-			dev_priv->uncore.funcs.mmio_writeq  = hsw_write64;
+			ASSIGN_WRITE_MMIO_VFUNCS(hsw);
 		} else {
-			dev_priv->uncore.funcs.mmio_writeb  = gen6_write8;
-			dev_priv->uncore.funcs.mmio_writew  = gen6_write16;
-			dev_priv->uncore.funcs.mmio_writel  = gen6_write32;
-			dev_priv->uncore.funcs.mmio_writeq  = gen6_write64;
+			ASSIGN_WRITE_MMIO_VFUNCS(gen6);
 		}
 
 		if (IS_VALLEYVIEW(dev)) {
-			dev_priv->uncore.funcs.mmio_readb  = vlv_read8;
-			dev_priv->uncore.funcs.mmio_readw  = vlv_read16;
-			dev_priv->uncore.funcs.mmio_readl  = vlv_read32;
-			dev_priv->uncore.funcs.mmio_readq  = vlv_read64;
+			ASSIGN_READ_MMIO_VFUNCS(vlv);
 		} else {
-			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
-			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
-			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
-			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
+			ASSIGN_READ_MMIO_VFUNCS(gen6);
 		}
 		break;
 	case 5:
-		dev_priv->uncore.funcs.mmio_writeb  = gen5_write8;
-		dev_priv->uncore.funcs.mmio_writew  = gen5_write16;
-		dev_priv->uncore.funcs.mmio_writel  = gen5_write32;
-		dev_priv->uncore.funcs.mmio_writeq  = gen5_write64;
-		dev_priv->uncore.funcs.mmio_readb  = gen5_read8;
-		dev_priv->uncore.funcs.mmio_readw  = gen5_read16;
-		dev_priv->uncore.funcs.mmio_readl  = gen5_read32;
-		dev_priv->uncore.funcs.mmio_readq  = gen5_read64;
+		ASSIGN_WRITE_MMIO_VFUNCS(gen5);
+		ASSIGN_READ_MMIO_VFUNCS(gen5);
 		break;
 	case 4:
 	case 3:
 	case 2:
-		dev_priv->uncore.funcs.mmio_writeb  = gen4_write8;
-		dev_priv->uncore.funcs.mmio_writew  = gen4_write16;
-		dev_priv->uncore.funcs.mmio_writel  = gen4_write32;
-		dev_priv->uncore.funcs.mmio_writeq  = gen4_write64;
-		dev_priv->uncore.funcs.mmio_readb  = gen4_read8;
-		dev_priv->uncore.funcs.mmio_readw  = gen4_read16;
-		dev_priv->uncore.funcs.mmio_readl  = gen4_read32;
-		dev_priv->uncore.funcs.mmio_readq  = gen4_read64;
+		ASSIGN_WRITE_MMIO_VFUNCS(gen4);
+		ASSIGN_READ_MMIO_VFUNCS(gen4);
 		break;
 	}
 }
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread
* Re: [PATCH] drm/i915: use macros to assign mmio access functions
  2014-10-23  7:28 [PATCH] drm/i915: use macros to assign mmio access functions Yu Zhang
@ 2014-10-23 12:28 ` Daniel Vetter
  2014-10-23 12:41   ` Yu, Zhang
  0 siblings, 1 reply; 3+ messages in thread
From: Daniel Vetter @ 2014-10-23 12:28 UTC (permalink / raw)
  To: Yu Zhang; +Cc: intel-gfx

On Thu, Oct 23, 2014 at 03:28:24PM +0800, Yu Zhang wrote:

Empty commit messages aren't good. Even for really simple refactoring
please explain in 1-2 sentences the motivation for the patch, since the
change itself doesn't really say that. For this one I've added something
while merging.

> Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_uncore.c | 76 ++++++++++++++-----------------------
>  1 file changed, 28 insertions(+), 48 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 0b0f4f8..9b228e3 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -823,6 +823,22 @@ __gen4_write(64)
>  #undef REG_WRITE_FOOTER
>  #undef REG_WRITE_HEADER
>  
> +#define ASSIGN_WRITE_MMIO_VFUNCS(x) \
> +do { \
> +	dev_priv->uncore.funcs.mmio_writeb = x##_write8; \
> +	dev_priv->uncore.funcs.mmio_writew = x##_write16; \
> +	dev_priv->uncore.funcs.mmio_writel = x##_write32; \
> +	dev_priv->uncore.funcs.mmio_writeq = x##_write64; \
> +} while (0)
> +
> +#define ASSIGN_READ_MMIO_VFUNCS(x) \
> +do { \
> +	dev_priv->uncore.funcs.mmio_readb = x##_read8; \
> +	dev_priv->uncore.funcs.mmio_readw = x##_read16; \
> +	dev_priv->uncore.funcs.mmio_readl = x##_read32; \
> +	dev_priv->uncore.funcs.mmio_readq = x##_read64; \
> +} while (0)

Usually we #undef such temporary macros again after the last user. I've
added that, too. Queued for -next, thanks for the patch.
-Daniel

> +
>  void intel_uncore_init(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> @@ -879,73 +895,37 @@ void intel_uncore_init(struct drm_device *dev)
>  	switch (INTEL_INFO(dev)->gen) {
>  	default:
>  		if (IS_CHERRYVIEW(dev)) {
> -			dev_priv->uncore.funcs.mmio_writeb  = chv_write8;
> -			dev_priv->uncore.funcs.mmio_writew  = chv_write16;
> -			dev_priv->uncore.funcs.mmio_writel  = chv_write32;
> -			dev_priv->uncore.funcs.mmio_writeq  = chv_write64;
> -			dev_priv->uncore.funcs.mmio_readb  = chv_read8;
> -			dev_priv->uncore.funcs.mmio_readw  = chv_read16;
> -			dev_priv->uncore.funcs.mmio_readl  = chv_read32;
> -			dev_priv->uncore.funcs.mmio_readq  = chv_read64;
> +			ASSIGN_WRITE_MMIO_VFUNCS(chv);
> +			ASSIGN_READ_MMIO_VFUNCS(chv);
>  
>  		} else {
> -			dev_priv->uncore.funcs.mmio_writeb  = gen8_write8;
> -			dev_priv->uncore.funcs.mmio_writew  = gen8_write16;
> -			dev_priv->uncore.funcs.mmio_writel  = gen8_write32;
> -			dev_priv->uncore.funcs.mmio_writeq  = gen8_write64;
> -			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
> -			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
> -			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
> -			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
> +			ASSIGN_WRITE_MMIO_VFUNCS(gen8);
> +			ASSIGN_READ_MMIO_VFUNCS(gen6);
>  		}
>  		break;
>  	case 7:
>  	case 6:
>  		if (IS_HASWELL(dev)) {
> -			dev_priv->uncore.funcs.mmio_writeb  = hsw_write8;
> -			dev_priv->uncore.funcs.mmio_writew  = hsw_write16;
> -			dev_priv->uncore.funcs.mmio_writel  = hsw_write32;
> -			dev_priv->uncore.funcs.mmio_writeq  = hsw_write64;
> +			ASSIGN_WRITE_MMIO_VFUNCS(hsw);
>  		} else {
> -			dev_priv->uncore.funcs.mmio_writeb  = gen6_write8;
> -			dev_priv->uncore.funcs.mmio_writew  = gen6_write16;
> -			dev_priv->uncore.funcs.mmio_writel  = gen6_write32;
> -			dev_priv->uncore.funcs.mmio_writeq  = gen6_write64;
> +			ASSIGN_WRITE_MMIO_VFUNCS(gen6);
>  		}
>  
>  		if (IS_VALLEYVIEW(dev)) {
> -			dev_priv->uncore.funcs.mmio_readb  = vlv_read8;
> -			dev_priv->uncore.funcs.mmio_readw  = vlv_read16;
> -			dev_priv->uncore.funcs.mmio_readl  = vlv_read32;
> -			dev_priv->uncore.funcs.mmio_readq  = vlv_read64;
> +			ASSIGN_READ_MMIO_VFUNCS(vlv);
>  		} else {
> -			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
> -			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
> -			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
> -			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
> +			ASSIGN_READ_MMIO_VFUNCS(gen6);
>  		}
>  		break;
>  	case 5:
> -		dev_priv->uncore.funcs.mmio_writeb  = gen5_write8;
> -		dev_priv->uncore.funcs.mmio_writew  = gen5_write16;
> -		dev_priv->uncore.funcs.mmio_writel  = gen5_write32;
> -		dev_priv->uncore.funcs.mmio_writeq  = gen5_write64;
> -		dev_priv->uncore.funcs.mmio_readb  = gen5_read8;
> -		dev_priv->uncore.funcs.mmio_readw  = gen5_read16;
> -		dev_priv->uncore.funcs.mmio_readl  = gen5_read32;
> -		dev_priv->uncore.funcs.mmio_readq  = gen5_read64;
> +		ASSIGN_WRITE_MMIO_VFUNCS(gen5);
> +		ASSIGN_READ_MMIO_VFUNCS(gen5);
>  		break;
>  	case 4:
>  	case 3:
>  	case 2:
> -		dev_priv->uncore.funcs.mmio_writeb  = gen4_write8;
> -		dev_priv->uncore.funcs.mmio_writew  = gen4_write16;
> -		dev_priv->uncore.funcs.mmio_writel  = gen4_write32;
> -		dev_priv->uncore.funcs.mmio_writeq  = gen4_write64;
> -		dev_priv->uncore.funcs.mmio_readb  = gen4_read8;
> -		dev_priv->uncore.funcs.mmio_readw  = gen4_read16;
> -		dev_priv->uncore.funcs.mmio_readl  = gen4_read32;
> -		dev_priv->uncore.funcs.mmio_readq  = gen4_read64;
> +		ASSIGN_WRITE_MMIO_VFUNCS(gen4);
> +		ASSIGN_READ_MMIO_VFUNCS(gen4);
>  		break;
>  	}
>  }
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 3+ messages in thread
* Re: [PATCH] drm/i915: use macros to assign mmio access functions
  2014-10-23 12:28 ` Daniel Vetter
@ 2014-10-23 12:41   ` Yu, Zhang
  0 siblings, 0 replies; 3+ messages in thread
From: Yu, Zhang @ 2014-10-23 12:41 UTC (permalink / raw)
  To: Daniel Vetter; +Cc: intel-gfx



On 10/23/2014 8:28 PM, Daniel Vetter wrote:
> On Thu, Oct 23, 2014 at 03:28:24PM +0800, Yu Zhang wrote:
>
> Empty commit messages aren't good. Even for really simple refactoring
> please explain in 1-2 sentences the motivation for the patch, since the
> change itself doesn't really say that. For this one I've added something
> while merging.
>
>> Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
>> ---
>>   drivers/gpu/drm/i915/intel_uncore.c | 76 ++++++++++++++-----------------------
>>   1 file changed, 28 insertions(+), 48 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
>> index 0b0f4f8..9b228e3 100644
>> --- a/drivers/gpu/drm/i915/intel_uncore.c
>> +++ b/drivers/gpu/drm/i915/intel_uncore.c
>> @@ -823,6 +823,22 @@ __gen4_write(64)
>>   #undef REG_WRITE_FOOTER
>>   #undef REG_WRITE_HEADER
>>
>> +#define ASSIGN_WRITE_MMIO_VFUNCS(x) \
>> +do { \
>> +	dev_priv->uncore.funcs.mmio_writeb = x##_write8; \
>> +	dev_priv->uncore.funcs.mmio_writew = x##_write16; \
>> +	dev_priv->uncore.funcs.mmio_writel = x##_write32; \
>> +	dev_priv->uncore.funcs.mmio_writeq = x##_write64; \
>> +} while (0)
>> +
>> +#define ASSIGN_READ_MMIO_VFUNCS(x) \
>> +do { \
>> +	dev_priv->uncore.funcs.mmio_readb = x##_read8; \
>> +	dev_priv->uncore.funcs.mmio_readw = x##_read16; \
>> +	dev_priv->uncore.funcs.mmio_readl = x##_read32; \
>> +	dev_priv->uncore.funcs.mmio_readq = x##_read64; \
>> +} while (0)
>
> Usually we #undef such temporary macros again after the last user. I've
> added that, too. Queued for -next, thanks for the patch.
> -Daniel
>
Ha. Thank you very much for your advice and help, Daniel.
I have seen your merge, and will pay attention in future patches.
This is my first patch in the open source community. :)

- Yu
>> +
>>   void intel_uncore_init(struct drm_device *dev)
>>   {
>>   	struct drm_i915_private *dev_priv = dev->dev_private;
>> @@ -879,73 +895,37 @@ void intel_uncore_init(struct drm_device *dev)
>>   	switch (INTEL_INFO(dev)->gen) {
>>   	default:
>>   		if (IS_CHERRYVIEW(dev)) {
>> -			dev_priv->uncore.funcs.mmio_writeb  = chv_write8;
>> -			dev_priv->uncore.funcs.mmio_writew  = chv_write16;
>> -			dev_priv->uncore.funcs.mmio_writel  = chv_write32;
>> -			dev_priv->uncore.funcs.mmio_writeq  = chv_write64;
>> -			dev_priv->uncore.funcs.mmio_readb  = chv_read8;
>> -			dev_priv->uncore.funcs.mmio_readw  = chv_read16;
>> -			dev_priv->uncore.funcs.mmio_readl  = chv_read32;
>> -			dev_priv->uncore.funcs.mmio_readq  = chv_read64;
>> +			ASSIGN_WRITE_MMIO_VFUNCS(chv);
>> +			ASSIGN_READ_MMIO_VFUNCS(chv);
>>
>>   		} else {
>> -			dev_priv->uncore.funcs.mmio_writeb  = gen8_write8;
>> -			dev_priv->uncore.funcs.mmio_writew  = gen8_write16;
>> -			dev_priv->uncore.funcs.mmio_writel  = gen8_write32;
>> -			dev_priv->uncore.funcs.mmio_writeq  = gen8_write64;
>> -			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
>> -			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
>> -			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
>> -			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
>> +			ASSIGN_WRITE_MMIO_VFUNCS(gen8);
>> +			ASSIGN_READ_MMIO_VFUNCS(gen6);
>>   		}
>>   		break;
>>   	case 7:
>>   	case 6:
>>   		if (IS_HASWELL(dev)) {
>> -			dev_priv->uncore.funcs.mmio_writeb  = hsw_write8;
>> -			dev_priv->uncore.funcs.mmio_writew  = hsw_write16;
>> -			dev_priv->uncore.funcs.mmio_writel  = hsw_write32;
>> -			dev_priv->uncore.funcs.mmio_writeq  = hsw_write64;
>> +			ASSIGN_WRITE_MMIO_VFUNCS(hsw);
>>   		} else {
>> -			dev_priv->uncore.funcs.mmio_writeb  = gen6_write8;
>> -			dev_priv->uncore.funcs.mmio_writew  = gen6_write16;
>> -			dev_priv->uncore.funcs.mmio_writel  = gen6_write32;
>> -			dev_priv->uncore.funcs.mmio_writeq  = gen6_write64;
>> +			ASSIGN_WRITE_MMIO_VFUNCS(gen6);
>>   		}
>>
>>   		if (IS_VALLEYVIEW(dev)) {
>> -			dev_priv->uncore.funcs.mmio_readb  = vlv_read8;
>> -			dev_priv->uncore.funcs.mmio_readw  = vlv_read16;
>> -			dev_priv->uncore.funcs.mmio_readl  = vlv_read32;
>> -			dev_priv->uncore.funcs.mmio_readq  = vlv_read64;
>> +			ASSIGN_READ_MMIO_VFUNCS(vlv);
>>   		} else {
>> -			dev_priv->uncore.funcs.mmio_readb  = gen6_read8;
>> -			dev_priv->uncore.funcs.mmio_readw  = gen6_read16;
>> -			dev_priv->uncore.funcs.mmio_readl  = gen6_read32;
>> -			dev_priv->uncore.funcs.mmio_readq  = gen6_read64;
>> +			ASSIGN_READ_MMIO_VFUNCS(gen6);
>>   		}
>>   		break;
>>   	case 5:
>> -		dev_priv->uncore.funcs.mmio_writeb  = gen5_write8;
>> -		dev_priv->uncore.funcs.mmio_writew  = gen5_write16;
>> -		dev_priv->uncore.funcs.mmio_writel  = gen5_write32;
>> -		dev_priv->uncore.funcs.mmio_writeq  = gen5_write64;
>> -		dev_priv->uncore.funcs.mmio_readb  = gen5_read8;
>> -		dev_priv->uncore.funcs.mmio_readw  = gen5_read16;
>> -		dev_priv->uncore.funcs.mmio_readl  = gen5_read32;
>> -		dev_priv->uncore.funcs.mmio_readq  = gen5_read64;
>> +		ASSIGN_WRITE_MMIO_VFUNCS(gen5);
>> +		ASSIGN_READ_MMIO_VFUNCS(gen5);
>>   		break;
>>   	case 4:
>>   	case 3:
>>   	case 2:
>> -		dev_priv->uncore.funcs.mmio_writeb  = gen4_write8;
>> -		dev_priv->uncore.funcs.mmio_writew  = gen4_write16;
>> -		dev_priv->uncore.funcs.mmio_writel  = gen4_write32;
>> -		dev_priv->uncore.funcs.mmio_writeq  = gen4_write64;
>> -		dev_priv->uncore.funcs.mmio_readb  = gen4_read8;
>> -		dev_priv->uncore.funcs.mmio_readw  = gen4_read16;
>> -		dev_priv->uncore.funcs.mmio_readl  = gen4_read32;
>> -		dev_priv->uncore.funcs.mmio_readq  = gen4_read64;
>> +		ASSIGN_WRITE_MMIO_VFUNCS(gen4);
>> +		ASSIGN_READ_MMIO_VFUNCS(gen4);
>>   		break;
>>   	}
>>   }
>> --
>> 1.9.1
>>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>

^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-10-23 12:49 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-10-23  7:28 [PATCH] drm/i915: use macros to assign mmio access functions Yu Zhang
2014-10-23 12:28 ` Daniel Vetter
2014-10-23 12:41   ` Yu, Zhang

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