On Mon, Mar 02, 2015 at 02:43:50PM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> 
> 90/270 rotated scanout needs a rotated GTT view of the framebuffer.
> 
> This is put in a separate VMA with a dedicated ggtt_view and wired suchs that
> it is created when a framebuffer is pinned to a 90/270 rotated plane.
> 
> Rotation is only possible with Yb/Yf buffers and error is propagated to
> user space in case of a mismatch.
> 
> Special rotated page view is constructed at the VMA creation time by
> borrowing the DMA addresses from obj->pages.
> 
> v2:
>     * Do not bother with pages for rotated sg list, just populate the DMA
>       addresses. (Daniel Vetter)
>     * Checkpatch cleanup.
> 
> v3:
>     * Rebased on top of new plane handling (create rotated mapping when
>       setting the rotation property).
>     * Unpin rotated VMA on unpinning from display plane.
>     * Simplify rotation check using bitwise AND. (Chris Wilson)
> 
> v4:
>     * Fix unpinning of optional rotated mapping so it is really considered
>       to be optional.
> 
> v5:
>    * Rebased for fb modifier changes.
>    * Rebased for atomic commit.
>    * Only pin needed view for display. (Ville Syrjälä, Daniel Vetter)
> 
> For: VIZ-4726
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> Reviewed-by: Michel Thierry <michel.thie...@intel.com> (v4)

Bunch of nitpicks below. Also I think it'd be good to split this patch
into the rote refactoring work to add view parameters all over the place
and the actual implementation.

Cheers, Daniel

> ---
>  drivers/gpu/drm/i915/i915_drv.h      |  33 +++++-
>  drivers/gpu/drm/i915/i915_gem.c      |  27 +++--
>  drivers/gpu/drm/i915/i915_gem_gtt.c  |  14 ++-
>  drivers/gpu/drm/i915/i915_gem_gtt.h  |  12 +++
>  drivers/gpu/drm/i915/intel_display.c | 204 
> +++++++++++++++++++++++++++++++----
>  drivers/gpu/drm/i915/intel_drv.h     |   4 +
>  drivers/gpu/drm/i915/intel_fbdev.c   |   2 +-
>  drivers/gpu/drm/i915/intel_overlay.c |   3 +-
>  8 files changed, 263 insertions(+), 36 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index e07a1cb..79d3f2c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -2743,8 +2743,10 @@ i915_gem_object_set_to_cpu_domain(struct 
> drm_i915_gem_object *obj, bool write);
>  int __must_check
>  i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
>                                    u32 alignment,
> -                                  struct intel_engine_cs *pipelined);
> -void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object 
> *obj);
> +                                  struct intel_engine_cs *pipelined,
> +                                  const struct i915_ggtt_view *view);
> +void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object 
> *obj,
> +                                           const struct i915_ggtt_view 
> *view);
>  int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
>                               int align);
>  int i915_gem_open(struct drm_device *dev, struct drm_file *file);
> @@ -2813,7 +2815,13 @@ i915_gem_obj_lookup_or_create_vma(struct 
> drm_i915_gem_object *obj,
>                                               &i915_ggtt_view_normal);
>  }
>  
> -struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
> +struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
> +                                        enum i915_ggtt_view_type view);
> +static inline
> +struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj)
> +{
> +     return i915_gem_obj_to_ggtt_view(obj, I915_GGTT_VIEW_NORMAL);
> +}
>  static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
>       struct i915_vma *vma;
>       list_for_each_entry(vma, &obj->vma_list, vma_link)
> @@ -2867,13 +2875,30 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
>                                  alignment, flags | PIN_GLOBAL);
>  }
>  
> +static inline int __must_check
> +i915_gem_obj_ggtt_pin_view(struct drm_i915_gem_object *obj,
> +                        uint32_t alignment,
> +                        unsigned flags,
> +                        const struct i915_ggtt_view *ggtt_view)
> +{
> +     return i915_gem_object_pin_view(obj, i915_obj_to_ggtt(obj),
> +                                     alignment, flags | PIN_GLOBAL,
> +                                     ggtt_view);
> +}
> +
>  static inline int
>  i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
>  {
>       return i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
>  }
>  
> -void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
> +void i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj,
> +                                  enum i915_ggtt_view_type view);
> +static inline void
> +i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj)
> +{
> +     i915_gem_object_ggtt_unpin_view(obj, I915_GGTT_VIEW_NORMAL);
> +}
>  
>  /* i915_gem_context.c */
>  int __must_check i915_gem_context_init(struct drm_device *dev);
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 0107c2a..04c0cb1 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3938,7 +3938,8 @@ static bool is_pin_display(struct drm_i915_gem_object 
> *obj)
>  int
>  i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
>                                    u32 alignment,
> -                                  struct intel_engine_cs *pipelined)
> +                                  struct intel_engine_cs *pipelined,
> +                                  const struct i915_ggtt_view *view)
>  {
>       u32 old_read_domains, old_write_domain;
>       bool was_pin_display;
> @@ -3974,7 +3975,9 @@ i915_gem_object_pin_to_display_plane(struct 
> drm_i915_gem_object *obj,
>        * (e.g. libkms for the bootup splash), we have to ensure that we
>        * always use map_and_fenceable for all scanout buffers.
>        */
> -     ret = i915_gem_obj_ggtt_pin(obj, alignment, PIN_MAPPABLE);
> +     ret = i915_gem_obj_ggtt_pin_view(obj, alignment,
> +                                      view->type == I915_GGTT_VIEW_NORMAL ?
> +                                      PIN_MAPPABLE : 0, view);
>       if (ret)
>               goto err_unpin_display;
>  
> @@ -4002,9 +4005,11 @@ err_unpin_display:
>  }
>  
>  void
> -i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj)
> +i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj,
> +                                      const struct i915_ggtt_view *view)
>  {
> -     i915_gem_object_ggtt_unpin(obj);
> +     i915_gem_object_ggtt_unpin_view(obj, view->type);
> +
>       obj->pin_display = is_pin_display(obj);
>  }
>  
> @@ -4241,15 +4246,16 @@ i915_gem_object_pin_view(struct drm_i915_gem_object 
> *obj,
>  }
>  
>  void
> -i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj)
> +i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj,
> +                             enum i915_ggtt_view_type view)
>  {
> -     struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
> +     struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view);
>  
>       BUG_ON(!vma);
>       BUG_ON(vma->pin_count == 0);
> -     BUG_ON(!i915_gem_obj_ggtt_bound(obj));
> +     BUG_ON(!i915_gem_obj_bound_view(obj, i915_obj_to_ggtt(obj), view));
>  
> -     if (--vma->pin_count == 0)
> +     if (--vma->pin_count == 0 && view == I915_GGTT_VIEW_NORMAL)
>               obj->pin_mappable = false;
>  }
>  
> @@ -5306,14 +5312,15 @@ i915_gem_shrinker_oom(struct notifier_block *nb, 
> unsigned long event, void *ptr)
>       return NOTIFY_DONE;
>  }
>  
> -struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj)
> +struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
> +                                        enum i915_ggtt_view_type view)
>  {
>       struct i915_address_space *ggtt = i915_obj_to_ggtt(obj);
>       struct i915_vma *vma;
>  
>       list_for_each_entry(vma, &obj->vma_list, vma_link)
>               if (vma->vm == ggtt &&
> -                 vma->ggtt_view.type == I915_GGTT_VIEW_NORMAL)
> +                 vma->ggtt_view.type == view)
>                       return vma;
>  
>       return NULL;
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c 
> b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index bd95776..9336142 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -2375,11 +2375,16 @@ i915_gem_obj_lookup_or_create_vma_view(struct 
> drm_i915_gem_object *obj,
>  static inline
>  int i915_get_vma_pages(struct i915_vma *vma)
>  {
> +     int ret = 0;
> +
>       if (vma->ggtt_view.pages)
>               return 0;
>  
>       if (vma->ggtt_view.type == I915_GGTT_VIEW_NORMAL)
>               vma->ggtt_view.pages = vma->obj->pages;
> +     else if (vma->ggtt_view.type == I915_GGTT_VIEW_ROTATED)
> +             vma->ggtt_view.pages =
> +                     intel_rotate_fb_obj_pages(&vma->ggtt_view, vma->obj);

There's a bit a layering confusion going on, ggtt view code should be here
in the gem code with an appropriate prefix. Just moving the code is all
that's imo needed.

>       else
>               WARN_ONCE(1, "GGTT view %u not implemented!\n",
>                         vma->ggtt_view.type);
> @@ -2387,10 +2392,15 @@ int i915_get_vma_pages(struct i915_vma *vma)
>       if (!vma->ggtt_view.pages) {
>               DRM_ERROR("Failed to get pages for VMA view type %u!\n",
>                         vma->ggtt_view.type);
> -             return -EINVAL;
> +             ret = -EINVAL;
> +     } else if (IS_ERR(vma->ggtt_view.pages)) {
> +             ret = PTR_ERR(vma->ggtt_view.pages);
> +             vma->ggtt_view.pages = NULL;
> +             DRM_ERROR("Failed to get pages for VMA view type %u (%d)!\n",
> +                       vma->ggtt_view.type, ret);
>       }
>  
> -     return 0;
> +     return ret;
>  }
>  
>  /**
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h 
> b/drivers/gpu/drm/i915/i915_gem_gtt.h
> index c9e93f5..56a2356 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.h
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
> @@ -111,12 +111,24 @@ typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
>  
>  enum i915_ggtt_view_type {
>       I915_GGTT_VIEW_NORMAL = 0,
> +     I915_GGTT_VIEW_ROTATED
> +};
> +
> +struct intel_rotation_info {
> +     unsigned int pixel_size;
> +     unsigned int height;
> +     unsigned int pitch;
> +     uint64_t fb_modifier;
>  };
>  
>  struct i915_ggtt_view {
>       enum i915_ggtt_view_type type;
>  
>       struct sg_table *pages;
> +
> +     union {
> +             struct intel_rotation_info rotation_info;
> +     };
>  };
>  
>  extern const struct i915_ggtt_view i915_ggtt_view_normal;
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index 7a5d0a7..cb4dae8 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2244,18 +2244,151 @@ intel_fb_align_height(struct drm_device *dev, int 
> height, uint32_t pixel_format,
>                                                 fb_format_modifier));
>  }
>  
> -int
> -intel_pin_and_fence_fb_obj(struct drm_plane *plane,
> -                        struct drm_framebuffer *fb,
> -                        struct intel_engine_cs *pipelined)
> +static
> +void rotate_pages(dma_addr_t *in, unsigned int width, unsigned int height,
> +               struct sg_table *st)
> +{
> +     unsigned int column, row;
> +     unsigned int src_idx;
> +     struct scatterlist *sg = st->sgl;
> +
> +     st->nents = 0;
> +
> +     for (column = 0; column < width; column++) {
> +             src_idx = width * (height - 1) + column;
> +             for (row = 0; row < height; row++) {
> +                     st->nents++;
> +                     /* We don't need the pages, but need to initialize
> +                      * the entries so the sg list can be happily traversed.
> +                      * The only thing we need are DMA addresses.
> +                      */
> +                     sg_set_page(sg, NULL, PAGE_SIZE, 0);
> +                     sg_dma_address(sg) = in[src_idx];
> +                     sg_dma_len(sg) = PAGE_SIZE;
> +                     sg = sg_next(sg);
> +                     src_idx -= width;
> +             }
> +     }
> +}
> +
> +struct sg_table *intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view,
> +                                        struct drm_i915_gem_object *obj)
>  {
> -     struct drm_device *dev = fb->dev;
> +     struct drm_device *dev = obj->base.dev;
>       struct drm_i915_private *dev_priv = dev->dev_private;
> -     struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> -     u32 alignment;
> -     int ret;
> +     struct i915_address_space *ggtt = &dev_priv->gtt.base;
> +     struct intel_rotation_info *rot_info = &ggtt_view->rotation_info;
> +     unsigned long size, pages, rot_pages;
> +     struct sg_page_iter sg_iter;
> +     unsigned long i;
> +     dma_addr_t *page_addr_list;
> +     struct sg_table *st;
> +     unsigned int tile_width, tile_height;
> +     unsigned int width_pages, height_pages;
> +     int ret = ENOMEM;
>  
> -     WARN_ON(!mutex_is_locked(&dev->struct_mutex));
> +     pages = i915_gem_obj_size(obj, ggtt) / PAGE_SIZE;
> +
> +     /* Calculate tiling geometry. */
> +     tile_height = intel_tile_height(dev, rot_info->pixel_size * 8,
> +                                     rot_info->fb_modifier);
> +     tile_width = PAGE_SIZE / rot_info->pixel_size / tile_height;
> +     width_pages = DIV_ROUND_UP(rot_info->pitch / rot_info->pixel_size,
> +                                tile_width);
> +     height_pages = DIV_ROUND_UP(rot_info->height, tile_height);
> +     rot_pages = width_pages * height_pages;
> +     size = rot_pages * PAGE_SIZE;
> +
> +     /* Allocate a temporary list of source pages for random access. */
> +     page_addr_list = drm_malloc_ab(pages, sizeof(dma_addr_t));
> +     if (!page_addr_list)
> +             return ERR_PTR(ret);
> +
> +     /* Allocate target SG list. */
> +     st = kmalloc(sizeof(*st), GFP_KERNEL);
> +     if (!st)
> +             goto err_st_alloc;
> +
> +     ret = sg_alloc_table(st, rot_pages, GFP_KERNEL);
> +     if (ret)
> +             goto err_sg_alloc;
> +
> +     /* Populate source page list from the object. */
> +     i = 0;
> +     for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
> +             page_addr_list[i] = sg_page_iter_dma_address(&sg_iter);
> +             i++;
> +     }
> +
> +     /* Rotate the pages. */
> +     rotate_pages(page_addr_list, width_pages, height_pages, st);
> +
> +     DRM_DEBUG_KMS(
> +                   "Created rotated page mapping for object size %lu 
> (pitch=%u, height=%u, pixel_size=%u, %ux%u tiles, %lu pages).\n",
> +                   size, rot_info->pitch, rot_info->height,
> +                   rot_info->pixel_size, width_pages, height_pages,
> +                   rot_pages);
> +
> +     drm_free_large(page_addr_list);
> +
> +     return st;
> +
> +err_sg_alloc:
> +     kfree(st);
> +err_st_alloc:
> +     drm_free_large(page_addr_list);
> +
> +     DRM_DEBUG_KMS(
> +                   "Failed to create rotated mapping for object size %lu! 
> (%d) (pitch=%u, height=%u, pixel_size=%u, %ux%u tiles, %lu pages)\n",
> +                   size, ret, rot_info->pitch, rot_info->height,
> +                   rot_info->pixel_size, width_pages, height_pages,
> +                   rot_pages);
> +     return ERR_PTR(ret);
> +}
> +
> +static
> +const struct i915_ggtt_view i915_rotated_ggtt_view_template = {
> +     .type = I915_GGTT_VIEW_ROTATED,
> +};

Not really needed, you can just use a struct assignment instaed of the
memcpy below, i.e.

        *view = {.type = I915_GGTT_VIEW_ROTATED};

gcc then clears everyhing else.

> +
> +static
> +int intel_fb_ggtt_view(struct drm_plane_state *plane_state,
> +                    struct drm_framebuffer *fb,
> +                    struct i915_ggtt_view *view)

I think intel_fill_fb_ggtt_view would be a clearer name for what this
does. Also generally we put the struct a function operations on first (to
fake OOP principles) and group later parameters by topic and then object
first and flags/data later. So here I'd go with (view, fb, plane_state).

> +{
> +     struct intel_rotation_info *info = &view->rotation_info;
> +
> +     memcpy(view, &i915_ggtt_view_normal, sizeof(*view));
> +
> +     if (!plane_state)
> +             return 0;
> +
> +     if (plane_state->rotation &
> +         (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) == 0)
> +             return 0;
> +
> +     memcpy(view, &i915_rotated_ggtt_view_template, sizeof(*view));
> +
> +     info->height = fb->height;
> +     info->pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
> +     info->pitch = fb->pitches[0];
> +     info->fb_modifier = fb->modifier[0];
> +
> +     if (!(info->fb_modifier == I915_FORMAT_MOD_Y_TILED ||
> +           info->fb_modifier == I915_FORMAT_MOD_Yf_TILED)) {
> +             DRM_DEBUG_KMS(
> +                           "Y or Yf tiling is needed for 90/270 
> rotation!\n");
> +             return -EINVAL;
> +     }
> +
> +     return 1;
> +}
> +
> +static
> +u32 intel_display_obj_alignment(struct drm_device *dev,
> +                             struct drm_framebuffer *fb)
> +{
> +     int alignment;
>  
>       switch (fb->modifier[0]) {
>       case DRM_FORMAT_MOD_NONE:
> @@ -2296,6 +2429,30 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
>       if (need_vtd_wa(dev) && alignment < 256 * 1024)
>               alignment = 256 * 1024;
>  
> +     return alignment;
> +}
> +
> +int
> +intel_pin_and_fence_fb_obj(struct drm_plane *plane,
> +                        struct drm_framebuffer *fb,
> +                        struct drm_plane_state *plane_state,
> +                        struct intel_engine_cs *pipelined)
> +{
> +     struct drm_device *dev = fb->dev;
> +     struct drm_i915_private *dev_priv = dev->dev_private;
> +     struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> +     struct i915_ggtt_view view;
> +     u32 alignment;
> +     int ret;
> +
> +     WARN_ON(!mutex_is_locked(&dev->struct_mutex));
> +
> +     alignment = intel_display_obj_alignment(dev, fb);
> +
> +     ret = intel_fb_ggtt_view(plane_state, fb, &view);
> +     if (ret < 0)
> +             return ret;
> +
>       /*
>        * Global gtt pte registers are special registers which actually forward
>        * writes to a chunk of system memory. Which means that there is no risk
> @@ -2306,7 +2463,8 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
>       intel_runtime_pm_get(dev_priv);
>  
>       dev_priv->mm.interruptible = false;
> -     ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined);
> +     ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined,
> +                                                &view);
>       if (ret)
>               goto err_interruptible;
>  
> @@ -2326,19 +2484,27 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
>       return 0;
>  
>  err_unpin:
> -     i915_gem_object_unpin_from_display_plane(obj);
> +     i915_gem_object_unpin_from_display_plane(obj, &view);
>  err_interruptible:
>       dev_priv->mm.interruptible = true;
>       intel_runtime_pm_put(dev_priv);
>       return ret;
>  }
>  
> -static void intel_unpin_fb_obj(struct drm_i915_gem_object *obj)
> +static void intel_unpin_fb_obj(struct drm_framebuffer *fb,
> +                            struct drm_plane_state *plane_state)
>  {
> +     struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> +     struct i915_ggtt_view view;
> +     int ret;
> +
>       WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex));
>  
> +     ret = intel_fb_ggtt_view(plane_state, fb, &view);
> +     WARN_ONCE(ret < 0, "Invalid fb format and rotation combination!");
> +
>       i915_gem_object_unpin_fence(obj);
> -     i915_gem_object_unpin_from_display_plane(obj);
> +     i915_gem_object_unpin_from_display_plane(obj, &view);
>  }
>  
>  /* Computes the linear offset to the base tile and adjusts x, y. bytes per 
> pixel
> @@ -9223,7 +9389,7 @@ static void intel_unpin_work_fn(struct work_struct 
> *__work)
>       enum pipe pipe = to_intel_crtc(work->crtc)->pipe;
>  
>       mutex_lock(&dev->struct_mutex);
> -     intel_unpin_fb_obj(intel_fb_obj(work->old_fb));
> +     intel_unpin_fb_obj(work->old_fb, work->crtc->primary->state);
>       drm_gem_object_unreference(&work->pending_flip_obj->base);
>       drm_framebuffer_unreference(work->old_fb);
>  
> @@ -9931,7 +10097,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>               ring = &dev_priv->ring[RCS];
>       }
>  
> -     ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, ring);
> +     ret = intel_pin_and_fence_fb_obj(crtc->primary, fb,
> +                                      crtc->primary->state, ring);
>       if (ret)
>               goto cleanup_pending;
>  
> @@ -9971,7 +10138,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>       return 0;
>  
>  cleanup_unpin:
> -     intel_unpin_fb_obj(obj);
> +     intel_unpin_fb_obj(fb, crtc->primary->state);
>  cleanup_pending:
>       atomic_dec(&intel_crtc->unpin_work_count);
>       crtc->primary->fb = old_fb;
> @@ -11933,7 +12100,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
>               if (ret)
>                       DRM_DEBUG_KMS("failed to attach phys object\n");
>       } else {
> -             ret = intel_pin_and_fence_fb_obj(plane, fb, NULL);
> +             ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL);
>       }
>  
>       if (ret == 0)
> @@ -11965,7 +12132,7 @@ intel_cleanup_plane_fb(struct drm_plane *plane,
>       if (plane->type != DRM_PLANE_TYPE_CURSOR ||
>           !INTEL_INFO(dev)->cursor_needs_physical) {
>               mutex_lock(&dev->struct_mutex);
> -             intel_unpin_fb_obj(obj);
> +             intel_unpin_fb_obj(fb, old_state);
>               mutex_unlock(&dev->struct_mutex);
>       }
>  }
> @@ -13862,6 +14029,7 @@ void intel_modeset_gem_init(struct drm_device *dev)
>  
>               if (intel_pin_and_fence_fb_obj(c->primary,
>                                              c->primary->fb,
> +                                            c->primary->state,
>                                              NULL)) {
>                       DRM_ERROR("failed to pin boot fb on pipe %d\n",
>                                 to_intel_crtc(c)->pipe);
> diff --git a/drivers/gpu/drm/i915/intel_drv.h 
> b/drivers/gpu/drm/i915/intel_drv.h
> index c466d43..9c2145d 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -955,6 +955,7 @@ void intel_release_load_detect_pipe(struct drm_connector 
> *connector,
>                                   struct intel_load_detect_pipe *old);
>  int intel_pin_and_fence_fb_obj(struct drm_plane *plane,
>                              struct drm_framebuffer *fb,
> +                            struct drm_plane_state *plane_state,
>                              struct intel_engine_cs *pipelined);
>  struct drm_framebuffer *
>  __intel_framebuffer_create(struct drm_device *dev,
> @@ -979,6 +980,9 @@ int intel_plane_atomic_set_property(struct drm_plane 
> *plane,
>                                   struct drm_property *property,
>                                   uint64_t val);
>  
> +struct sg_table *intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view,
> +                                        struct drm_i915_gem_object *obj);
> +
>  /* shared dpll functions */
>  struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
>  void assert_shared_dpll(struct drm_i915_private *dev_priv,
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c 
> b/drivers/gpu/drm/i915/intel_fbdev.c
> index 234a699..d8204ae 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -126,7 +126,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
>       }
>  
>       /* Flush everything out, we'll be doing GTT only from now on */
> -     ret = intel_pin_and_fence_fb_obj(NULL, fb, NULL);
> +     ret = intel_pin_and_fence_fb_obj(NULL, fb, NULL, NULL);
>       if (ret) {
>               DRM_ERROR("failed to pin obj: %d\n", ret);
>               goto out_fb;
> diff --git a/drivers/gpu/drm/i915/intel_overlay.c 
> b/drivers/gpu/drm/i915/intel_overlay.c
> index 823d1d9..dd92122 100644
> --- a/drivers/gpu/drm/i915/intel_overlay.c
> +++ b/drivers/gpu/drm/i915/intel_overlay.c
> @@ -720,7 +720,8 @@ static int intel_overlay_do_put_image(struct 
> intel_overlay *overlay,
>       if (ret != 0)
>               return ret;
>  
> -     ret = i915_gem_object_pin_to_display_plane(new_bo, 0, NULL);
> +     ret = i915_gem_object_pin_to_display_plane(new_bo, 0, NULL,
> +                                                &i915_ggtt_view_normal);
>       if (ret != 0)
>               return ret;
>  
> -- 
> 2.3.0
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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