On Thu, Sep 13, 2018 at 02:16:27PM +0100, Chris Wilson wrote:
> Convert the interface (except for the drm core callback) to accept
> drm_i915_private as that is our native type of the majority of
> operations.

this message just tells about s/dev/dev_priv...

> 
> Signed-off-by: Chris Wilson <[email protected]>
> ---
>  drivers/gpu/drm/i915/i915_drv.c    |  10 +--
>  drivers/gpu/drm/i915/intel_drv.h   |  28 +++----
>  drivers/gpu/drm/i915/intel_fbdev.c | 117 ++++++++++++++---------------
>  3 files changed, 77 insertions(+), 78 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 5dd7fc582e6f..a74de4428c79 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -692,7 +692,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
>       if (INTEL_INFO(dev_priv)->num_pipes == 0)
>               return 0;
>  
> -     ret = intel_fbdev_init(dev);
> +     ret = intel_fbdev_init(dev_priv);
>       if (ret)
>               goto cleanup_gem;
>  
> @@ -1260,7 +1260,7 @@ static void i915_driver_register(struct 
> drm_i915_private *dev_priv)
>        * irqs are fully enabled. We do it last so that the async config
>        * cannot run before the connectors are registered.
>        */
> -     intel_fbdev_initial_config_async(dev);
> +     intel_fbdev_initial_config_async(dev_priv);
>  
>       /*
>        * We need to coordinate the hotplugs with the asynchronous fbdev
> @@ -1527,7 +1527,7 @@ static int i915_driver_open(struct drm_device *dev, 
> struct drm_file *file)
>   */
>  static void i915_driver_lastclose(struct drm_device *dev)
>  {
> -     intel_fbdev_restore_mode(dev);
> +     intel_fbdev_restore_mode(to_i915(dev));
>       vga_switcheroo_process_delayed_switch();
>  }
>  
> @@ -1623,7 +1623,7 @@ static int i915_drm_suspend(struct drm_device *dev)
>  
>       intel_opregion_unregister(dev_priv);
>  
> -     intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
> +     intel_fbdev_set_suspend(dev_priv, FBINFO_STATE_SUSPENDED, true);
>  
>       dev_priv->suspend_count++;
>  
> @@ -1784,7 +1784,7 @@ static int i915_drm_resume(struct drm_device *dev)
>  
>       intel_opregion_register(dev_priv);
>  
> -     intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
> +     intel_fbdev_set_suspend(dev_priv, FBINFO_STATE_RUNNING, false);
>  
>       intel_opregion_notify_adapter(dev_priv, PCI_D0);
>  
> diff --git a/drivers/gpu/drm/i915/intel_drv.h 
> b/drivers/gpu/drm/i915/intel_drv.h
> index bf1c38728a59..daa2fc007d02 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1779,32 +1779,34 @@ bool intel_encoder_hotplug(struct intel_encoder 
> *encoder,
>  
>  /* legacy fbdev emulation in intel_fbdev.c */
>  #ifdef CONFIG_DRM_FBDEV_EMULATION
> -extern int intel_fbdev_init(struct drm_device *dev);
> -extern void intel_fbdev_initial_config_async(struct drm_device *dev);
> -extern void intel_fbdev_unregister(struct drm_i915_private *dev_priv);
> -extern void intel_fbdev_fini(struct drm_i915_private *dev_priv);
> -extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool 
> synchronous);
> -extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
> -extern void intel_fbdev_restore_mode(struct drm_device *dev);
> +int intel_fbdev_init(struct drm_i915_private *i915);
> +void intel_fbdev_initial_config_async(struct drm_i915_private *i915);
> +void intel_fbdev_unregister(struct drm_i915_private *i915);
> +void intel_fbdev_fini(struct drm_i915_private *i915);
> +void intel_fbdev_set_suspend(struct drm_i915_private *i915,
> +                          int state, bool synchronous);
> +void intel_fbdev_restore_mode(struct drm_i915_private *i915);
> +void intel_fbdev_output_poll_changed(struct drm_device *dev);
>  #else
> -static inline int intel_fbdev_init(struct drm_device *dev)
> +static inline int intel_fbdev_init(struct drm_i915_private *i915)
>  {
>       return 0;
>  }
>  
> -static inline void intel_fbdev_initial_config_async(struct drm_device *dev)
> +static inline void intel_fbdev_initial_config_async(struct drm_i915_private 
> *i915)
>  {
>  }
>  
> -static inline void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
> +static inline void intel_fbdev_unregister(struct drm_i915_private *i915)
>  {
>  }
>  
> -static inline void intel_fbdev_fini(struct drm_i915_private *dev_priv)
> +static inline void intel_fbdev_fini(struct drm_i915_private *i915)
>  {
>  }
>  
> -static inline void intel_fbdev_set_suspend(struct drm_device *dev, int 
> state, bool synchronous)
> +static inline void intel_fbdev_set_suspend(struct drm_i915_private *i915,
> +                                        int state, bool synchronous)
>  {
>  }
>  
> @@ -1812,7 +1814,7 @@ static inline void 
> intel_fbdev_output_poll_changed(struct drm_device *dev)
>  {
>  }
>  
> -static inline void intel_fbdev_restore_mode(struct drm_device *dev)
> +static inline void intel_fbdev_restore_mode(struct drm_i915_private *i915)
>  {
>  }
>  #endif
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c 
> b/drivers/gpu/drm/i915/intel_fbdev.c
> index f99332972b7a..84ebd8102215 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -54,11 +54,14 @@ static void intel_fbdev_invalidate(struct intel_fbdev 
> *ifbdev)
>       intel_fb_obj_invalidate(obj, origin);
>  }
>  
> +static struct intel_fbdev *info_to_fbdev(struct fb_info *info)
> +{
> +     return container_of(info->par, struct intel_fbdev, helper);
> +}
> +

So, could we split this info_to_fbdev helper in a separated patch?

>  static int intel_fbdev_set_par(struct fb_info *info)
>  {
> -     struct drm_fb_helper *fb_helper = info->par;
> -     struct intel_fbdev *ifbdev =
> -             container_of(fb_helper, struct intel_fbdev, helper);
> +     struct intel_fbdev *ifbdev = info_to_fbdev(info);
>       int ret;
>  
>       ret = drm_fb_helper_set_par(info);
> @@ -70,9 +73,7 @@ static int intel_fbdev_set_par(struct fb_info *info)
>  
>  static int intel_fbdev_blank(int blank, struct fb_info *info)
>  {
> -     struct drm_fb_helper *fb_helper = info->par;
> -     struct intel_fbdev *ifbdev =
> -             container_of(fb_helper, struct intel_fbdev, helper);
> +     struct intel_fbdev *ifbdev = info_to_fbdev(info);
>       int ret;
>  
>       ret = drm_fb_helper_blank(blank, info);
> @@ -85,9 +86,7 @@ static int intel_fbdev_blank(int blank, struct fb_info 
> *info)
>  static int intel_fbdev_pan_display(struct fb_var_screeninfo *var,
>                                  struct fb_info *info)
>  {
> -     struct drm_fb_helper *fb_helper = info->par;
> -     struct intel_fbdev *ifbdev =
> -             container_of(fb_helper, struct intel_fbdev, helper);
> +     struct intel_fbdev *ifbdev = info_to_fbdev(info);
>       int ret;
>  
>       ret = drm_fb_helper_pan_display(var, info);
> @@ -113,11 +112,10 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
>  {
>       struct intel_fbdev *ifbdev =
>               container_of(helper, struct intel_fbdev, helper);
> -     struct drm_framebuffer *fb;
> -     struct drm_device *dev = helper->dev;
> -     struct drm_i915_private *dev_priv = to_i915(dev);
> +     struct drm_i915_private *i915 = to_i915(helper->dev);
>       struct drm_mode_fb_cmd2 mode_cmd = {};
>       struct drm_i915_gem_object *obj;
> +     struct drm_framebuffer *fb;
>       int size, ret;
>  
>       /* we don't do packed 24bpp */
> @@ -139,10 +137,10 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
>        * important and we should probably use that space with FBC or other
>        * features. */
>       obj = NULL;
> -     if (size * 2 < dev_priv->stolen_usable_size)
> -             obj = i915_gem_object_create_stolen(dev_priv, size);
> +     if (size * 2 < i915->stolen_usable_size)
> +             obj = i915_gem_object_create_stolen(i915, size);
>       if (obj == NULL)
> -             obj = i915_gem_object_create(dev_priv, size);
> +             obj = i915_gem_object_create(i915, size);
>       if (IS_ERR(obj)) {
>               DRM_ERROR("failed to allocate framebuffer\n");
>               ret = PTR_ERR(obj);
> @@ -170,16 +168,14 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  {
>       struct intel_fbdev *ifbdev =
>               container_of(helper, struct intel_fbdev, helper);
> +     struct drm_i915_private *i915 = to_i915(helper->dev);
>       struct intel_framebuffer *intel_fb = ifbdev->fb;
> -     struct drm_device *dev = helper->dev;
> -     struct drm_i915_private *dev_priv = to_i915(dev);
> -     struct pci_dev *pdev = dev_priv->drm.pdev;
> -     struct i915_ggtt *ggtt = &dev_priv->ggtt;
> +     struct i915_ggtt *ggtt = &i915->ggtt;
>       const struct i915_ggtt_view view = {
>               .type = I915_GGTT_VIEW_NORMAL,
>       };
> -     struct fb_info *info;
>       struct drm_framebuffer *fb;
> +     struct fb_info *info;
>       struct i915_vma *vma;
>       unsigned long flags = 0;
>       bool prealloc = false;
> @@ -209,8 +205,8 @@ static int intelfb_create(struct drm_fb_helper *helper,
>               sizes->fb_height = intel_fb->base.height;
>       }
>  
> -     mutex_lock(&dev->struct_mutex);
> -     intel_runtime_pm_get(dev_priv);
> +     mutex_lock(&i915->drm.struct_mutex);
> +     intel_runtime_pm_get(i915);
>  
>       /* Pin the GGTT vma for our access via info->screen_base.
>        * This also validates that any existing fb inherited from the
> @@ -242,10 +238,11 @@ static int intelfb_create(struct drm_fb_helper *helper,
>       info->fbops = &intelfb_ops;
>  
>       /* setup aperture base/size for vesafb takeover */
> -     info->apertures->ranges[0].base = dev->mode_config.fb_base;
> +     info->apertures->ranges[0].base = i915->drm.mode_config.fb_base;
>       info->apertures->ranges[0].size = ggtt->mappable_end;
>  
> -     info->fix.smem_start = dev->mode_config.fb_base + i915_ggtt_offset(vma);
> +     info->fix.smem_start =
> +             i915->drm.mode_config.fb_base + i915_ggtt_offset(vma);
>       info->fix.smem_len = vma->node.size;
>  
>       vaddr = i915_vma_pin_iomap(vma);
> @@ -277,16 +274,16 @@ static int intelfb_create(struct drm_fb_helper *helper,
>       ifbdev->vma = vma;
>       ifbdev->vma_flags = flags;
>  
> -     intel_runtime_pm_put(dev_priv);
> -     mutex_unlock(&dev->struct_mutex);
> -     vga_switcheroo_client_fb_set(pdev, info);
> +     intel_runtime_pm_put(i915);
> +     mutex_unlock(&i915->drm.struct_mutex);
> +     vga_switcheroo_client_fb_set(i915->drm.pdev, info);
>       return 0;
>  
>  out_unpin:
>       intel_unpin_fb_vma(vma, flags);
>  out_unlock:
> -     intel_runtime_pm_put(dev_priv);
> -     mutex_unlock(&dev->struct_mutex);
> +     intel_runtime_pm_put(i915);
> +     mutex_unlock(&i915->drm.struct_mutex);
>       return ret;
>  }
>  
> @@ -335,7 +332,7 @@ static bool intel_fb_initial_config(struct drm_fb_helper 
> *fb_helper,
>                                   struct drm_fb_offset *offsets,
>                                   bool *enabled, int width, int height)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(fb_helper->dev);
> +     struct drm_i915_private *i915 = to_i915(fb_helper->dev);
>       unsigned long conn_configured, conn_seq, mask;
>       unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG);
>       int i, j;
> @@ -484,7 +481,7 @@ static bool intel_fb_initial_config(struct drm_fb_helper 
> *fb_helper,
>        * fbdev helper library.
>        */
>       if (num_connectors_enabled != num_connectors_detected &&
> -         num_connectors_enabled < INTEL_INFO(dev_priv)->num_pipes) {
> +         num_connectors_enabled < INTEL_INFO(i915)->num_pipes) {
>               DRM_DEBUG_KMS("fallback: Not all outputs enabled\n");
>               DRM_DEBUG_KMS("Enabled: %i, detected: %i\n", 
> num_connectors_enabled,
>                             num_connectors_detected);
> @@ -540,7 +537,7 @@ static void intel_fbdev_destroy(struct intel_fbdev 
> *ifbdev)
>   * Note we only support a single fb shared across pipes for boot (mostly for
>   * fbcon), so we just find the biggest and use that.
>   */
> -static bool intel_fbdev_init_bios(struct drm_device *dev,
> +static bool intel_fbdev_init_bios(struct drm_i915_private *i915,
>                                struct intel_fbdev *ifbdev)
>  {
>       struct intel_framebuffer *fb = NULL;
> @@ -549,7 +546,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
>       unsigned int max_size = 0;
>  
>       /* Find the largest fb */
> -     for_each_crtc(dev, crtc) {
> +     for_each_crtc(&i915->drm, crtc) {
>               struct drm_i915_gem_object *obj =
>                       intel_fb_obj(crtc->primary->state->fb);
>               intel_crtc = to_intel_crtc(crtc);
> @@ -574,7 +571,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
>       }
>  
>       /* Now make sure all the pipes will fit into it */
> -     for_each_crtc(dev, crtc) {
> +     for_each_crtc(&i915->drm, crtc) {
>               unsigned int cur_size;
>  
>               intel_crtc = to_intel_crtc(crtc);
> @@ -637,7 +634,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
>       drm_framebuffer_get(&ifbdev->fb->base);
>  
>       /* Final pass to check if any active pipes don't have fbs */
> -     for_each_crtc(dev, crtc) {
> +     for_each_crtc(&i915->drm, crtc) {
>               intel_crtc = to_intel_crtc(crtc);
>  
>               if (!crtc->state->active)
> @@ -659,39 +656,39 @@ static bool intel_fbdev_init_bios(struct drm_device 
> *dev,
>  
>  static void intel_fbdev_suspend_worker(struct work_struct *work)
>  {
> -     intel_fbdev_set_suspend(&container_of(work,
> -                                           struct drm_i915_private,
> -                                           fbdev_suspend_work)->drm,
> +     intel_fbdev_set_suspend(container_of(work,
> +                                          struct drm_i915_private,
> +                                          fbdev_suspend_work),
>                               FBINFO_STATE_RUNNING,
>                               true);
>  }
>  
> -int intel_fbdev_init(struct drm_device *dev)
> +int intel_fbdev_init(struct drm_i915_private *i915)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(dev);
>       struct intel_fbdev *ifbdev;
>       int ret;
>  
> -     if (WARN_ON(INTEL_INFO(dev_priv)->num_pipes == 0))
> +     if (WARN_ON(INTEL_INFO(i915)->num_pipes == 0))

Also this patch highlights the brave new world of mixed dev_priv and i915
that we live....

Why not to just use dev_priv here and start mixing this i915 case here?
on the same file and on same patch?

I believe or we should convert at once all dev_priv to i915 or move
all back to dev_priv. But the mixed world confuses me a lot...

>               return -ENODEV;
>  
>       ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL);
>       if (ifbdev == NULL)
>               return -ENOMEM;
>  
> -     drm_fb_helper_prepare(dev, &ifbdev->helper, &intel_fb_helper_funcs);
> +     drm_fb_helper_prepare(&i915->drm,
> +                           &ifbdev->helper, &intel_fb_helper_funcs);
>  
> -     if (!intel_fbdev_init_bios(dev, ifbdev))
> +     if (!intel_fbdev_init_bios(i915, ifbdev))
>               ifbdev->preferred_bpp = 32;
>  
> -     ret = drm_fb_helper_init(dev, &ifbdev->helper, 4);
> +     ret = drm_fb_helper_init(&i915->drm, &ifbdev->helper, 4);
>       if (ret) {
>               kfree(ifbdev);
>               return ret;
>       }
>  
> -     dev_priv->fbdev = ifbdev;
> -     INIT_WORK(&dev_priv->fbdev_suspend_work, intel_fbdev_suspend_worker);
> +     i915->fbdev = ifbdev;
> +     INIT_WORK(&i915->fbdev_suspend_work, intel_fbdev_suspend_worker);
>  
>       drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
>  
> @@ -708,9 +705,9 @@ static void intel_fbdev_initial_config(void *data, 
> async_cookie_t cookie)
>               intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
>  }
>  
> -void intel_fbdev_initial_config_async(struct drm_device *dev)
> +void intel_fbdev_initial_config_async(struct drm_i915_private *i915)
>  {
> -     struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
> +     struct intel_fbdev *ifbdev = i915->fbdev;
>  
>       if (!ifbdev)
>               return;
> @@ -728,23 +725,23 @@ static void intel_fbdev_sync(struct intel_fbdev *ifbdev)
>       ifbdev->cookie = 0;
>  }
>  
> -void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
> +void intel_fbdev_unregister(struct drm_i915_private *i915)
>  {
> -     struct intel_fbdev *ifbdev = dev_priv->fbdev;
> +     struct intel_fbdev *ifbdev = i915->fbdev;
>  
>       if (!ifbdev)
>               return;
>  
> -     cancel_work_sync(&dev_priv->fbdev_suspend_work);
> +     cancel_work_sync(&i915->fbdev_suspend_work);
>       if (!current_is_async())
>               intel_fbdev_sync(ifbdev);
>  
>       drm_fb_helper_unregister_fbi(&ifbdev->helper);
>  }
>  
> -void intel_fbdev_fini(struct drm_i915_private *dev_priv)
> +void intel_fbdev_fini(struct drm_i915_private *i915)
>  {
> -     struct intel_fbdev *ifbdev = fetch_and_zero(&dev_priv->fbdev);
> +     struct intel_fbdev *ifbdev = fetch_and_zero(&i915->fbdev);
>  
>       if (!ifbdev)
>               return;
> @@ -752,10 +749,10 @@ void intel_fbdev_fini(struct drm_i915_private *dev_priv)
>       intel_fbdev_destroy(ifbdev);
>  }
>  
> -void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool 
> synchronous)
> +void intel_fbdev_set_suspend(struct drm_i915_private *i915,
> +                          int state, bool synchronous)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(dev);
> -     struct intel_fbdev *ifbdev = dev_priv->fbdev;
> +     struct intel_fbdev *ifbdev = i915->fbdev;
>       struct fb_info *info;
>  
>       if (!ifbdev || !ifbdev->vma)
> @@ -772,7 +769,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int 
> state, bool synchronous
>                * ourselves, so only flush outstanding work upon suspend!
>                */
>               if (state != FBINFO_STATE_RUNNING)
> -                     flush_work(&dev_priv->fbdev_suspend_work);
> +                     flush_work(&i915->fbdev_suspend_work);
>               console_lock();
>       } else {
>               /*
> @@ -785,7 +782,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int 
> state, bool synchronous
>                       /* Don't block our own workqueue as this can
>                        * be run in parallel with other i915.ko tasks.
>                        */
> -                     schedule_work(&dev_priv->fbdev_suspend_work);
> +                     schedule_work(&i915->fbdev_suspend_work);
>                       return;
>               }
>       }
> @@ -814,9 +811,9 @@ void intel_fbdev_output_poll_changed(struct drm_device 
> *dev)
>               drm_fb_helper_hotplug_event(&ifbdev->helper);
>  }
>  
> -void intel_fbdev_restore_mode(struct drm_device *dev)
> +void intel_fbdev_restore_mode(struct drm_i915_private *i915)
>  {
> -     struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
> +     struct intel_fbdev *ifbdev = i915->fbdev;
>  
>       if (!ifbdev)
>               return;
> -- 
> 2.19.0
> 
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