[Intel-gfx] [PATCH 11/13] drm/vmwgfx: Drop drm_vblank_cleanup

Thomas Hellstrom thellstrom at vmware.com
Mon Jun 26 12:22:35 UTC 2017


With the below fixed,

Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>


On 06/23/2017 04:10 PM, Sean Paul wrote:
> On Wed, Jun 21, 2017 at 10:28:48AM +0200, Daniel Vetter wrote:
>> Again stopping the vblank before uninstalling the irq handler is kinda
>> the wrong way round, but the fb_off stuff should take care of
>> disabling the dsiplay at least in most cases. So drop the
>> drm_vblank_cleanup code since it's not really doing anything, it looks
>> all cargo-culted.
>>
>> v2: Appease gcc better.
>>
>> Cc: Sinclair Yeh <syeh at vmware.com>
>> Cc: Thomas Hellstrom <thellstrom at vmware.com>
>> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
>> ---
>>   drivers/gpu/drm/vmwgfx/vmwgfx_kms.c  |  9 +++------
>>   drivers/gpu/drm/vmwgfx/vmwgfx_kms.h  |  2 --
>>   drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c  |  4 ----
>>   drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c |  9 ---------
>>   drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 27 +--------------------------
>>   5 files changed, 4 insertions(+), 47 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
>> index 3d94ea67a825..a93c0bb73452 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
>> @@ -1658,7 +1658,7 @@ int vmw_kms_init(struct vmw_private *dev_priv)
>>   
>>   int vmw_kms_close(struct vmw_private *dev_priv)
>>   {
>> -	int ret;
>> +	int ret = 0;
>>   
>>   	/*
>>   	 * Docs says we should take the lock before calling this function
>> @@ -1666,11 +1666,8 @@ int vmw_kms_close(struct vmw_private *dev_priv)
>>   	 * drm_encoder_cleanup which takes the lock we deadlock.
>>   	 */
>>   	drm_mode_config_cleanup(dev_priv->dev);
>> -	if (dev_priv->active_display_unit == vmw_du_screen_object)
>> -		ret = vmw_kms_sou_close_display(dev_priv);
>> -	else if (dev_priv->active_display_unit == vmw_du_screen_target)
>> -		ret = vmw_kms_stdu_close_display(dev_priv);
>> -	else
>> +	if (dev_priv->active_display_unit != vmw_du_screen_object &&
>> +	    dev_priv->active_display_unit != vmw_du_screen_target)
> I think this is equivalent to:
>
> if (dev_priv->active_display_unit == vmw_du_legacy)
>
>>   		ret = vmw_kms_ldu_close_display(dev_priv);
>>   
>>   	return ret;
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
>> index 5f8d678ae675..ff9c8389ff21 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
>> @@ -390,7 +390,6 @@ int vmw_kms_update_proxy(struct vmw_resource *res,
>>    * Screen Objects display functions - vmwgfx_scrn.c
>>    */
>>   int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
>> -int vmw_kms_sou_close_display(struct vmw_private *dev_priv);
>>   int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
>>   				 struct vmw_framebuffer *framebuffer,
>>   				 struct drm_clip_rect *clips,
>> @@ -418,7 +417,6 @@ int vmw_kms_sou_readback(struct vmw_private *dev_priv,
>>    * Screen Target Display Unit functions - vmwgfx_stdu.c
>>    */
>>   int vmw_kms_stdu_init_display(struct vmw_private *dev_priv);
>> -int vmw_kms_stdu_close_display(struct vmw_private *dev_priv);
>>   int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
>>   			       struct vmw_framebuffer *framebuffer,
>>   			       struct drm_clip_rect *clips,
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
>> index d3987bcf53f8..449ed4fba0f2 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
>> @@ -582,13 +582,9 @@ int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
>>   
>>   int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
>>   {
>> -	struct drm_device *dev = dev_priv->dev;
>> -
>>   	if (!dev_priv->ldu_priv)
>>   		return -ENOSYS;
>>   
>> -	drm_vblank_cleanup(dev);
>> -
>>   	BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
>>   
>>   	kfree(dev_priv->ldu_priv);
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
>> index 8d7dc9def7c2..3b917c9b0c21 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
>> @@ -746,15 +746,6 @@ int vmw_kms_sou_init_display(struct vmw_private *dev_priv)
>>   	return 0;
>>   }
>>   
>> -int vmw_kms_sou_close_display(struct vmw_private *dev_priv)
>> -{
>> -	struct drm_device *dev = dev_priv->dev;
>> -
>> -	drm_vblank_cleanup(dev);
>> -
>> -	return 0;
>> -}
>> -
>>   static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv,
>>   				  struct vmw_framebuffer *framebuffer)
>>   {
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
>> index 50be1f034f9e..6aecba6cd5e2 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
>> @@ -1651,36 +1651,11 @@ int vmw_kms_stdu_init_display(struct vmw_private *dev_priv)
>>   
>>   		if (unlikely(ret != 0)) {
>>   			DRM_ERROR("Failed to initialize STDU %d", i);
>> -			goto err_vblank_cleanup;
>> +			return ret;
>>   		}
>>   	}
>>   
>>   	DRM_INFO("Screen Target Display device initialized\n");
>>   
>>   	return 0;
>> -
>> -err_vblank_cleanup:
>> -	drm_vblank_cleanup(dev);
>> -	return ret;
>> -}
>> -
>> -
>> -
>> -/**
>> - * vmw_kms_stdu_close_display - Cleans up after vmw_kms_stdu_init_display
>> - *
>> - * @dev_priv: VMW DRM device
>> - *
>> - * Frees up any resources allocated by vmw_kms_stdu_init_display
>> - *
>> - * RETURNS:
>> - * 0 on success
>> - */
>> -int vmw_kms_stdu_close_display(struct vmw_private *dev_priv)
>> -{
>> -	struct drm_device *dev = dev_priv->dev;
>> -
>> -	drm_vblank_cleanup(dev);
>> -
>> -	return 0;
>>   }
>> -- 
>> 2.11.0
>>
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