Re: [PATCH] vgacon: dummy implementation for vgacon_text_force

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On Wed, Mar 30, 2016 at 09:52:28AM -0400, Alex Deucher wrote:
> On Wed, Mar 30, 2016 at 5:26 AM, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> > This allows us to ditch a ton of ugly #ifdefs from a bunch of drm modeset
> > drivers.
> >
> > v2: Make the dummy function actually return a sane value, spotted by
> > Ville.
> >
> > v3: Because the patch is still in limbo there's no more drivers to
> > convert, noticed by Emil.
> >
> > v4: Rebase once more, because hooray. I'll just go ahead an apply this
> > one later on to drm-misc.
> >
> > Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> 
> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

Applied to drm-misc, thanks for the review.
-Daniel

> 
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 --
> >  drivers/gpu/drm/ast/ast_drv.c           | 2 --
> >  drivers/gpu/drm/cirrus/cirrus_drv.c     | 2 --
> >  drivers/gpu/drm/i915/i915_drv.c         | 2 --
> >  drivers/gpu/drm/mgag200/mgag200_drv.c   | 2 --
> >  drivers/gpu/drm/nouveau/nouveau_drm.c   | 2 --
> >  drivers/gpu/drm/qxl/qxl_drv.c           | 2 --
> >  drivers/gpu/drm/radeon/radeon_drv.c     | 2 --
> >  drivers/gpu/drm/virtio/virtgpu_drv.c    | 2 --
> >  drivers/gpu/drm/vmwgfx/vmwgfx_drv.c     | 2 --
> >  include/linux/console.h                 | 2 ++
> >  11 files changed, 2 insertions(+), 20 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > index f1e17d60055a..93462aea9faa 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > @@ -556,12 +556,10 @@ static struct pci_driver amdgpu_kms_pci_driver = {
> >  static int __init amdgpu_init(void)
> >  {
> >         amdgpu_sync_init();
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force()) {
> >                 DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
> >                 return -EINVAL;
> >         }
> > -#endif
> >         DRM_INFO("amdgpu kernel modesetting enabled.\n");
> >         driver = &kms_driver;
> >         pdriver = &amdgpu_kms_pci_driver;
> > diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
> > index 9a32d9dfdd26..fcd9c0714836 100644
> > --- a/drivers/gpu/drm/ast/ast_drv.c
> > +++ b/drivers/gpu/drm/ast/ast_drv.c
> > @@ -218,10 +218,8 @@ static struct drm_driver driver = {
> >
> >  static int __init ast_init(void)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && ast_modeset == -1)
> >                 return -EINVAL;
> > -#endif
> >
> >         if (ast_modeset == 0)
> >                 return -EINVAL;
> > diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c
> > index 7bc394ec9fb3..dc83f69da6f1 100644
> > --- a/drivers/gpu/drm/cirrus/cirrus_drv.c
> > +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c
> > @@ -163,10 +163,8 @@ static struct pci_driver cirrus_pci_driver = {
> >
> >  static int __init cirrus_init(void)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && cirrus_modeset == -1)
> >                 return -EINVAL;
> > -#endif
> >
> >         if (cirrus_modeset == 0)
> >                 return -EINVAL;
> > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> > index f73b4f7b2d39..349e17cc8540 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.c
> > +++ b/drivers/gpu/drm/i915/i915_drv.c
> > @@ -1754,10 +1754,8 @@ static int __init i915_init(void)
> >         if (i915.modeset == 0)
> >                 driver.driver_features &= ~DRIVER_MODESET;
> >
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && i915.modeset == -1)
> >                 driver.driver_features &= ~DRIVER_MODESET;
> > -#endif
> >
> >         if (!(driver.driver_features & DRIVER_MODESET)) {
> >                 /* Silently fail loading to not upset userspace. */
> > diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
> > index b0af77454d52..ebb470ff7200 100644
> > --- a/drivers/gpu/drm/mgag200/mgag200_drv.c
> > +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
> > @@ -116,10 +116,8 @@ static struct pci_driver mgag200_pci_driver = {
> >
> >  static int __init mgag200_init(void)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && mgag200_modeset == -1)
> >                 return -EINVAL;
> > -#endif
> >
> >         if (mgag200_modeset == 0)
> >                 return -EINVAL;
> > diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
> > index d06877d9c1ed..db5c7d0cc25c 100644
> > --- a/drivers/gpu/drm/nouveau/nouveau_drm.c
> > +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
> > @@ -1083,10 +1083,8 @@ nouveau_drm_init(void)
> >         nouveau_display_options();
> >
> >         if (nouveau_modeset == -1) {
> > -#ifdef CONFIG_VGA_CONSOLE
> >                 if (vgacon_text_force())
> >                         nouveau_modeset = 0;
> > -#endif
> >         }
> >
> >         if (!nouveau_modeset)
> > diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
> > index 7307b07fe06b..dc9df5fe50ba 100644
> > --- a/drivers/gpu/drm/qxl/qxl_drv.c
> > +++ b/drivers/gpu/drm/qxl/qxl_drv.c
> > @@ -272,10 +272,8 @@ static struct drm_driver qxl_driver = {
> >
> >  static int __init qxl_init(void)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && qxl_modeset == -1)
> >                 return -EINVAL;
> > -#endif
> >
> >         if (qxl_modeset == 0)
> >                 return -EINVAL;
> > diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> > index ccd4ad4ee592..5d44ed0d104a 100644
> > --- a/drivers/gpu/drm/radeon/radeon_drv.c
> > +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> > @@ -566,12 +566,10 @@ static struct pci_driver radeon_kms_pci_driver = {
> >
> >  static int __init radeon_init(void)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && radeon_modeset == -1) {
> >                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
> >                 radeon_modeset = 0;
> >         }
> > -#endif
> >         /* set to modesetting by default if not nomodeset */
> >         if (radeon_modeset == -1)
> >                 radeon_modeset = 1;
> > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c
> > index 7f898cfdc746..3cc7afa77a35 100644
> > --- a/drivers/gpu/drm/virtio/virtgpu_drv.c
> > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c
> > @@ -42,10 +42,8 @@ module_param_named(modeset, virtio_gpu_modeset, int, 0400);
> >
> >  static int virtio_gpu_probe(struct virtio_device *vdev)
> >  {
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force() && virtio_gpu_modeset == -1)
> >                 return -EINVAL;
> > -#endif
> >
> >         if (virtio_gpu_modeset == 0)
> >                 return -EINVAL;
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > index 6cbb7d4bdd11..e7335a48ebf6 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > @@ -1530,10 +1530,8 @@ static int __init vmwgfx_init(void)
> >  {
> >         int ret;
> >
> > -#ifdef CONFIG_VGA_CONSOLE
> >         if (vgacon_text_force())
> >                 return -EINVAL;
> > -#endif
> >
> >         ret = drm_pci_init(&driver, &vmw_pci_driver);
> >         if (ret)
> > diff --git a/include/linux/console.h b/include/linux/console.h
> > index ea731af2451e..e49cc1ef19be 100644
> > --- a/include/linux/console.h
> > +++ b/include/linux/console.h
> > @@ -191,6 +191,8 @@ void vcs_remove_sysfs(int index);
> >
> >  #ifdef CONFIG_VGA_CONSOLE
> >  extern bool vgacon_text_force(void);
> > +#else
> > +static inline bool vgacon_text_force(void) { return false; }
> >  #endif
> >
> >  #endif /* _LINUX_CONSOLE_H */
> > --
> > 2.8.0.rc3
> >
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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