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* [PATCH] drm/exynos: remove DRIVER_HAVE_IRQ feature
@ 2014-03-21  6:39 Joonyoung Shim
  2014-03-21  6:53 ` Daniel Kurtz
  0 siblings, 1 reply; 3+ messages in thread
From: Joonyoung Shim @ 2014-03-21  6:39 UTC (permalink / raw)
  To: dri-devel; +Cc: kyungmin.park, sw0312.kim

Exynos drm driver cannot support DRIVER_HAVE_IRQ feature because it uses
driver specific one instead of routine of drm framework to
install/uninstall irq handler.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c  |  3 +--
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 10 ----------
 drivers/gpu/drm/exynos/exynos_drm_vidi.c | 10 ----------
 3 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index c204b4e..dd7d18f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -291,8 +291,7 @@ static const struct file_operations exynos_drm_driver_fops = {
 };
 
 static struct drm_driver exynos_drm_driver = {
-	.driver_features	= DRIVER_HAVE_IRQ | DRIVER_MODESET |
-					DRIVER_GEM | DRIVER_PRIME,
+	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
 	.load			= exynos_drm_load,
 	.unload			= exynos_drm_unload,
 	.open			= exynos_drm_open,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a20440c..37455f3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -715,16 +715,6 @@ out:
 static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 {
 	/*
-	 * enable drm irq mode.
-	 * - with irq_enabled = true, we can use the vblank feature.
-	 *
-	 * P.S. note that we wouldn't use drm irq handler but
-	 *	just specific driver own one instead because
-	 *	drm framework supports only one irq handler.
-	 */
-	drm_dev->irq_enabled = true;
-
-	/*
 	 * with vblank_disable_allowed = true, vblank interrupt will be disabled
 	 * by drm timer once a current process gives up ownership of
 	 * vblank event.(after drm_vblank_put function is called)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index ddaaedd..b4c5f95 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -382,16 +382,6 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
 static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 {
 	/*
-	 * enable drm irq mode.
-	 * - with irq_enabled = true, we can use the vblank feature.
-	 *
-	 * P.S. note that we wouldn't use drm irq handler but
-	 *	just specific driver own one instead because
-	 *	drm framework supports only one irq handler.
-	 */
-	drm_dev->irq_enabled = true;
-
-	/*
 	 * with vblank_disable_allowed = true, vblank interrupt will be disabled
 	 * by drm timer once a current process gives up ownership of
 	 * vblank event.(after drm_vblank_put function is called)
-- 
1.8.1.2

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/exynos: remove DRIVER_HAVE_IRQ feature
  2014-03-21  6:39 [PATCH] drm/exynos: remove DRIVER_HAVE_IRQ feature Joonyoung Shim
@ 2014-03-21  6:53 ` Daniel Kurtz
  2014-03-21  7:26   ` Joonyoung Shim
  0 siblings, 1 reply; 3+ messages in thread
From: Daniel Kurtz @ 2014-03-21  6:53 UTC (permalink / raw)
  To: Joonyoung Shim; +Cc: Kyungmin Park, Seung-Woo Kim, dri-devel

On Fri, Mar 21, 2014 at 2:39 PM, Joonyoung Shim <jy0922.shim@samsung.com> wrote:
> Exynos drm driver cannot support DRIVER_HAVE_IRQ feature because it uses
> driver specific one instead of routine of drm framework to
> install/uninstall irq handler.

Wouldn't that break synchronous drm_wait_vblank()?
 (drm_wait_vblank where _DRM_VBLANK_EVENT is not set in request.type)

-Dan

>
> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_drv.c  |  3 +--
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c | 10 ----------
>  drivers/gpu/drm/exynos/exynos_drm_vidi.c | 10 ----------
>  3 files changed, 1 insertion(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> index c204b4e..dd7d18f 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> @@ -291,8 +291,7 @@ static const struct file_operations exynos_drm_driver_fops = {
>  };
>
>  static struct drm_driver exynos_drm_driver = {
> -       .driver_features        = DRIVER_HAVE_IRQ | DRIVER_MODESET |
> -                                       DRIVER_GEM | DRIVER_PRIME,
> +       .driver_features        = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
>         .load                   = exynos_drm_load,
>         .unload                 = exynos_drm_unload,
>         .open                   = exynos_drm_open,
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index a20440c..37455f3 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -715,16 +715,6 @@ out:
>  static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
>  {
>         /*
> -        * enable drm irq mode.
> -        * - with irq_enabled = true, we can use the vblank feature.
> -        *
> -        * P.S. note that we wouldn't use drm irq handler but
> -        *      just specific driver own one instead because
> -        *      drm framework supports only one irq handler.
> -        */
> -       drm_dev->irq_enabled = true;
> -
> -       /*
>          * with vblank_disable_allowed = true, vblank interrupt will be disabled
>          * by drm timer once a current process gives up ownership of
>          * vblank event.(after drm_vblank_put function is called)
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> index ddaaedd..b4c5f95 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> @@ -382,16 +382,6 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
>  static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
>  {
>         /*
> -        * enable drm irq mode.
> -        * - with irq_enabled = true, we can use the vblank feature.
> -        *
> -        * P.S. note that we wouldn't use drm irq handler but
> -        *      just specific driver own one instead because
> -        *      drm framework supports only one irq handler.
> -        */
> -       drm_dev->irq_enabled = true;
> -
> -       /*
>          * with vblank_disable_allowed = true, vblank interrupt will be disabled
>          * by drm timer once a current process gives up ownership of
>          * vblank event.(after drm_vblank_put function is called)
> --
> 1.8.1.2
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/exynos: remove DRIVER_HAVE_IRQ feature
  2014-03-21  6:53 ` Daniel Kurtz
@ 2014-03-21  7:26   ` Joonyoung Shim
  0 siblings, 0 replies; 3+ messages in thread
From: Joonyoung Shim @ 2014-03-21  7:26 UTC (permalink / raw)
  To: Daniel Kurtz; +Cc: Kyungmin Park, Seung-Woo Kim, dri-devel

On 03/21/2014 03:53 PM, Daniel Kurtz wrote:
> On Fri, Mar 21, 2014 at 2:39 PM, Joonyoung Shim <jy0922.shim@samsung.com> wrote:
>> Exynos drm driver cannot support DRIVER_HAVE_IRQ feature because it uses
>> driver specific one instead of routine of drm framework to
>> install/uninstall irq handler.
> Wouldn't that break synchronous drm_wait_vblank()?
>   (drm_wait_vblank where _DRM_VBLANK_EVENT is not set in request.type)

Actually, i didn't consider above case. Then it seems to need code to
set dev->irq_enabled in exynos driver.

Thanks.

> -Dan
>
>> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
>> ---
>>   drivers/gpu/drm/exynos/exynos_drm_drv.c  |  3 +--
>>   drivers/gpu/drm/exynos/exynos_drm_fimd.c | 10 ----------
>>   drivers/gpu/drm/exynos/exynos_drm_vidi.c | 10 ----------
>>   3 files changed, 1 insertion(+), 22 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
>> index c204b4e..dd7d18f 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
>> @@ -291,8 +291,7 @@ static const struct file_operations exynos_drm_driver_fops = {
>>   };
>>
>>   static struct drm_driver exynos_drm_driver = {
>> -       .driver_features        = DRIVER_HAVE_IRQ | DRIVER_MODESET |
>> -                                       DRIVER_GEM | DRIVER_PRIME,
>> +       .driver_features        = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
>>          .load                   = exynos_drm_load,
>>          .unload                 = exynos_drm_unload,
>>          .open                   = exynos_drm_open,
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> index a20440c..37455f3 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> @@ -715,16 +715,6 @@ out:
>>   static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
>>   {
>>          /*
>> -        * enable drm irq mode.
>> -        * - with irq_enabled = true, we can use the vblank feature.
>> -        *
>> -        * P.S. note that we wouldn't use drm irq handler but
>> -        *      just specific driver own one instead because
>> -        *      drm framework supports only one irq handler.
>> -        */
>> -       drm_dev->irq_enabled = true;
>> -
>> -       /*
>>           * with vblank_disable_allowed = true, vblank interrupt will be disabled
>>           * by drm timer once a current process gives up ownership of
>>           * vblank event.(after drm_vblank_put function is called)
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
>> index ddaaedd..b4c5f95 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
>> @@ -382,16 +382,6 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
>>   static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
>>   {
>>          /*
>> -        * enable drm irq mode.
>> -        * - with irq_enabled = true, we can use the vblank feature.
>> -        *
>> -        * P.S. note that we wouldn't use drm irq handler but
>> -        *      just specific driver own one instead because
>> -        *      drm framework supports only one irq handler.
>> -        */
>> -       drm_dev->irq_enabled = true;
>> -
>> -       /*
>>           * with vblank_disable_allowed = true, vblank interrupt will be disabled
>>           * by drm timer once a current process gives up ownership of
>>           * vblank event.(after drm_vblank_put function is called)
>> --
>> 1.8.1.2
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-03-21  7:26 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-03-21  6:39 [PATCH] drm/exynos: remove DRIVER_HAVE_IRQ feature Joonyoung Shim
2014-03-21  6:53 ` Daniel Kurtz
2014-03-21  7:26   ` Joonyoung Shim

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