On Tue, Dec 20, 2016 at 05:03:02PM -0800, Dhinakaran Pandiyan wrote:
> This check is useful for drivers that do not have DRIVER_ATOMIC set but
> have atomic modesetting internally implemented. Wrap the check into a
> function since this is used in many places and as a bonus, the function
> name helps to document what the check is for.
>
> Suggested-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> ---
> drivers/gpu/drm/drm_fb_helper.c | 6 +++---
> drivers/gpu/drm/nouveau/nouveau_connector.c | 4 ++--
> drivers/gpu/drm/nouveau/nouveau_display.c | 6 +++---
> drivers/gpu/drm/nouveau/nouveau_fbcon.c | 2 +-
> include/drm/drmP.h | 5 +++++
> 5 files changed, 14 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 145d55f..730342c 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -405,7 +405,7 @@ static int restore_fbdev_mode(struct drm_fb_helper *fb_helper)
>
> drm_warn_on_modeset_not_all_locked(dev);
>
> - if (dev->mode_config.funcs->atomic_commit)
> + if (drm_drv_uses_atomic_modeset(dev))
> return restore_fbdev_mode_atomic(fb_helper);
>
> drm_for_each_plane(plane, dev) {
> @@ -1444,7 +1444,7 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
> return -EBUSY;
> }
>
> - if (dev->mode_config.funcs->atomic_commit) {
> + if (drm_drv_uses_atomic_modeset(dev)) {
> ret = pan_display_atomic(var, info);
> goto unlock;
> }
> @@ -2060,7 +2060,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
> * NULL we fallback to the default drm_atomic_helper_best_encoder()
> * helper.
> */
> - if (fb_helper->dev->mode_config.funcs->atomic_commit &&
> + if (drm_drv_uses_atomic_modeset(fb_helper->dev) &&
> !connector_funcs->best_encoder)
> encoder = drm_atomic_helper_best_encoder(connector);
> else
> diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
> index 947c200..c4cc21a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_connector.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
> @@ -769,7 +769,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
> struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
> int ret;
>
> - if (connector->dev->mode_config.funcs->atomic_commit)
> + if (drm_drv_uses_atomic_modeset(connector->dev))
> return drm_atomic_helper_connector_set_property(connector, property, value);
>
> ret = connector->funcs->atomic_set_property(&nv_connector->base,
> @@ -1074,7 +1074,7 @@ nouveau_connector_helper_funcs = {
> static int
> nouveau_connector_dpms(struct drm_connector *connector, int mode)
> {
> - if (connector->dev->mode_config.funcs->atomic_commit)
> + if (drm_drv_uses_atomic_modeset(connector->dev))
> return drm_atomic_helper_connector_dpms(connector, mode);
> return drm_helper_connector_dpms(connector, mode);
> }
> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
> index c5cf888..add353e 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_display.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c
> @@ -162,7 +162,7 @@ nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
> list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> if (nouveau_crtc(crtc)->index == pipe) {
> struct drm_display_mode *mode;
> - if (dev->mode_config.funcs->atomic_commit)
> + if (drm_drv_uses_atomic_modeset(dev))
> mode = &crtc->state->adjusted_mode;
> else
> mode = &crtc->hwmode;
> @@ -738,7 +738,7 @@ nouveau_display_suspend(struct drm_device *dev, bool runtime)
> struct nouveau_display *disp = nouveau_display(dev);
> struct drm_crtc *crtc;
>
> - if (dev->mode_config.funcs->atomic_commit) {
> + if (drm_drv_uses_atomic_modeset(dev)) {
> if (!runtime) {
> disp->suspend = nouveau_atomic_suspend(dev);
> if (IS_ERR(disp->suspend)) {
> @@ -784,7 +784,7 @@ nouveau_display_resume(struct drm_device *dev, bool runtime)
> struct drm_crtc *crtc;
> int ret;
>
> - if (dev->mode_config.funcs->atomic_commit) {
> + if (drm_drv_uses_atomic_modeset(dev)) {
> nouveau_display_init(dev);
> if (disp->suspend) {
> drm_atomic_helper_resume(dev, disp->suspend);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
> index 5600f6c..ad722f14 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
> @@ -524,7 +524,7 @@ nouveau_fbcon_init(struct drm_device *dev)
> preferred_bpp = 32;
>
> /* disable all the possible outputs/crtcs before entering KMS mode */
> - if (!dev->mode_config.funcs->atomic_commit)
> + if (!drm_drv_uses_atomic_modeset(dev))
> drm_helper_disable_unused_functions(dev);
>
> ret = drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp);
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index a9cfd33..247acba 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -647,6 +647,11 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev,
> return ((dev->driver->driver_features & feature) ? 1 : 0);
> }
>
> +static inline int drm_drv_uses_atomic_modeset(struct drm_device *dev)
> +{
> + return dev->mode_config.funcs->atomic_commit ? 1 : 0;
> +}
bool ...
{
return atomic_commit != NULL;
}
> +
> static inline void drm_device_set_unplugged(struct drm_device *dev)
> {
> smp_wmb();
> --
> 2.7.4
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrjälä
Intel OTC
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