diff mbox series

[2/2] drm/amdgpu: Use per-device driver_features to disable atomic

Message ID 20180913163147.27900-2-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series [1/2] drm/nouveau: Disable atomic support on a per-device basis | expand

Commit Message

Ville Syrjälä Sept. 13, 2018, 4:31 p.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Disable atomic on a per-device basis instead of for all devices.
Made possible by the new device.driver_features thing.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Michel Dänzer <michel@daenzer.net>
Suggested-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

Comments

Michel Dänzer Sept. 13, 2018, 4:38 p.m. UTC | #1 
On 2018-09-13 6:31 p.m., Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Disable atomic on a per-device basis instead of for all devices.
> Made possible by the new device.driver_features thing.
> 
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>
> Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Michel Dänzer <michel@daenzer.net>
> Suggested-by: Michel Dänzer <michel@daenzer.net>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index 6870909da926..8c1db96be070 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -816,17 +816,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
>  	if (ret)
>  		return ret;
>  
> -	/* warn the user if they mix atomic and non-atomic capable GPUs */
> -	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
> -		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
> -	/* support atomic early so the atomic debugfs stuff gets created */
> -	if (supports_atomic)
> -		kms_driver.driver_features |= DRIVER_ATOMIC;
> -
>  	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
>  	if (IS_ERR(dev))
>  		return PTR_ERR(dev);
>  
> +	if (!supports_atomic)
> +		dev->driver_features &= ~DRIVER_ATOMIC;
> +
>  	ret = pci_enable_device(pdev);
>  	if (ret)
>  		goto err_free;
> @@ -1078,7 +1074,7 @@ amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
>  
>  static struct drm_driver kms_driver = {
>  	.driver_features =
> -	    DRIVER_USE_AGP |
> +	    DRIVER_USE_AGP | DRIVER_ATOMIC |
>  	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
>  	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
>  	.load = amdgpu_driver_load_kms,
> 

Thanks Ville for taking care of this!

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

If Alex agrees, probably best to push this to drm-misc-next as well.
Alex Deucher Sept. 13, 2018, 4:40 p.m. UTC | #2 
On Thu, Sep 13, 2018 at 12:39 PM Michel Dänzer <michel@daenzer.net> wrote:
>
> On 2018-09-13 6:31 p.m., Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> >
> > Disable atomic on a per-device basis instead of for all devices.
> > Made possible by the new device.driver_features thing.
> >
> > Cc: Alex Deucher <alexander.deucher@amd.com>
> > Cc: "Christian König" <christian.koenig@amd.com>
> > Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
> > Cc: Harry Wentland <harry.wentland@amd.com>
> > Cc: Michel Dänzer <michel@daenzer.net>
> > Suggested-by: Michel Dänzer <michel@daenzer.net>
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
> >  1 file changed, 4 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > index 6870909da926..8c1db96be070 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > @@ -816,17 +816,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
> >       if (ret)
> >               return ret;
> >
> > -     /* warn the user if they mix atomic and non-atomic capable GPUs */
> > -     if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
> > -             DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
> > -     /* support atomic early so the atomic debugfs stuff gets created */
> > -     if (supports_atomic)
> > -             kms_driver.driver_features |= DRIVER_ATOMIC;
> > -
> >       dev = drm_dev_alloc(&kms_driver, &pdev->dev);
> >       if (IS_ERR(dev))
> >               return PTR_ERR(dev);
> >
> > +     if (!supports_atomic)
> > +             dev->driver_features &= ~DRIVER_ATOMIC;
> > +
> >       ret = pci_enable_device(pdev);
> >       if (ret)
> >               goto err_free;
> > @@ -1078,7 +1074,7 @@ amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
> >
> >  static struct drm_driver kms_driver = {
> >       .driver_features =
> > -         DRIVER_USE_AGP |
> > +         DRIVER_USE_AGP | DRIVER_ATOMIC |
> >           DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
> >           DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
> >       .load = amdgpu_driver_load_kms,
> >
>
> Thanks Ville for taking care of this!
>
> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
>
> If Alex agrees, probably best to push this to drm-misc-next as well.
>

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

Please go ahead and merge through drm-misc.

Thanks!

Alex

>
> --
> Earthling Michel Dänzer               |               http://www.amd.com
> Libre software enthusiast             |             Mesa and X developer
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
Ville Syrjälä Sept. 13, 2018, 6:29 p.m. UTC | #3 
On Thu, Sep 13, 2018 at 12:40:20PM -0400, Alex Deucher wrote:
> On Thu, Sep 13, 2018 at 12:39 PM Michel Dänzer <michel@daenzer.net> wrote:
> >
> > On 2018-09-13 6:31 p.m., Ville Syrjala wrote:
> > > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > >
> > > Disable atomic on a per-device basis instead of for all devices.
> > > Made possible by the new device.driver_features thing.
> > >
> > > Cc: Alex Deucher <alexander.deucher@amd.com>
> > > Cc: "Christian König" <christian.koenig@amd.com>
> > > Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
> > > Cc: Harry Wentland <harry.wentland@amd.com>
> > > Cc: Michel Dänzer <michel@daenzer.net>
> > > Suggested-by: Michel Dänzer <michel@daenzer.net>
> > > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > > ---
> > >  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
> > >  1 file changed, 4 insertions(+), 8 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > > index 6870909da926..8c1db96be070 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > > @@ -816,17 +816,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
> > >       if (ret)
> > >               return ret;
> > >
> > > -     /* warn the user if they mix atomic and non-atomic capable GPUs */
> > > -     if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
> > > -             DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
> > > -     /* support atomic early so the atomic debugfs stuff gets created */
> > > -     if (supports_atomic)
> > > -             kms_driver.driver_features |= DRIVER_ATOMIC;
> > > -
> > >       dev = drm_dev_alloc(&kms_driver, &pdev->dev);
> > >       if (IS_ERR(dev))
> > >               return PTR_ERR(dev);
> > >
> > > +     if (!supports_atomic)
> > > +             dev->driver_features &= ~DRIVER_ATOMIC;
> > > +
> > >       ret = pci_enable_device(pdev);
> > >       if (ret)
> > >               goto err_free;
> > > @@ -1078,7 +1074,7 @@ amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
> > >
> > >  static struct drm_driver kms_driver = {
> > >       .driver_features =
> > > -         DRIVER_USE_AGP |
> > > +         DRIVER_USE_AGP | DRIVER_ATOMIC |
> > >           DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
> > >           DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
> > >       .load = amdgpu_driver_load_kms,
> > >
> >
> > Thanks Ville for taking care of this!
> >
> > Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
> >
> > If Alex agrees, probably best to push this to drm-misc-next as well.
> >
> 
> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
> 
> Please go ahead and merge through drm-misc.
> 
> Thanks!

You are welcome, and thanks for the r-bs. Pushed.
Harry Wentland Sept. 20, 2018, 6:55 p.m. UTC | #4 
On 2018-09-13 12:31 PM, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Disable atomic on a per-device basis instead of for all devices.
> Made possible by the new device.driver_features thing.
> 
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>
> Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Michel Dänzer <michel@daenzer.net>
> Suggested-by: Michel Dänzer <michel@daenzer.net>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index 6870909da926..8c1db96be070 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -816,17 +816,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
>  	if (ret)
>  		return ret;
>  
> -	/* warn the user if they mix atomic and non-atomic capable GPUs */
> -	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
> -		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
> -	/* support atomic early so the atomic debugfs stuff gets created */
> -	if (supports_atomic)
> -		kms_driver.driver_features |= DRIVER_ATOMIC;
> -
>  	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
>  	if (IS_ERR(dev))
>  		return PTR_ERR(dev);
>  
> +	if (!supports_atomic)
> +		dev->driver_features &= ~DRIVER_ATOMIC;
> +
>  	ret = pci_enable_device(pdev);
>  	if (ret)
>  		goto err_free;
> @@ -1078,7 +1074,7 @@ amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
>  
>  static struct drm_driver kms_driver = {
>  	.driver_features =
> -	    DRIVER_USE_AGP |
> +	    DRIVER_USE_AGP | DRIVER_ATOMIC |
>  	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
>  	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
>  	.load = amdgpu_driver_load_kms,
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 6870909da926..8c1db96be070 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -816,17 +816,13 @@  static int amdgpu_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	/* warn the user if they mix atomic and non-atomic capable GPUs */
-	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
-		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
-	/* support atomic early so the atomic debugfs stuff gets created */
-	if (supports_atomic)
-		kms_driver.driver_features |= DRIVER_ATOMIC;
-
 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
 	if (IS_ERR(dev))
 		return PTR_ERR(dev);
 
+	if (!supports_atomic)
+		dev->driver_features &= ~DRIVER_ATOMIC;
+
 	ret = pci_enable_device(pdev);
 	if (ret)
 		goto err_free;
@@ -1078,7 +1074,7 @@  amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
 
 static struct drm_driver kms_driver = {
 	.driver_features =
-	    DRIVER_USE_AGP |
+	    DRIVER_USE_AGP | DRIVER_ATOMIC |
 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
 	.load = amdgpu_driver_load_kms,