On Wed, Oct 02, 2024 at 09:21:59PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
> 
> Hide the plane->fb/etc. footguns better by stashing them inside
> a "legacy" sub struct.
> 
> Eventually maybe we could turn 'legacy' into a pointer
> that only exists on legacy drivers to completely prevent
> any abuse by atomic drivers...

Hmm. I should probably make it a pointer from the start,
to avoid having to go through the same churn yet again.

> 
> Side note: _dpu_plane_set_danger_state() looks completely
> broken.
> 
> Cc: Alex Deucher <alexander.deuc...@amd.com>
> Cc: "Christian König" <christian.koe...@amd.com>
> Cc: Xinhui Pan <xinhui....@amd.com>
> Cc: Patrik Jakobsson <patrik.r.jakobs...@gmail.com>
> Cc: Rob Clark <robdcl...@gmail.com>
> Cc: Abhinav Kumar <quic_abhin...@quicinc.com>
> Cc: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
> Cc: Sean Paul <s...@poorly.run>
> Cc: Marijn Suijten <marijn.suij...@somainline.org>
> Cc: Karol Herbst <kher...@redhat.com>
> Cc: Lyude Paul <ly...@redhat.com>
> Cc: Danilo Krummrich <d...@redhat.com>
> Cc: Sandy Huang <h...@rock-chips.com>
> Cc: "Heiko Stübner" <he...@sntech.de>
> Cc: Andy Yan <andy....@rock-chips.com>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: linux-arm-...@vger.kernel.org
> Cc: freedr...@lists.freedesktop.org
> Cc: nouv...@lists.freedesktop.org
> Link: https://www.youtube.com/watch?v=gtCCi2mSN80
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
>  .../gpu/drm/amd/amdgpu/amdgpu_connectors.c    |  2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c   |  6 +-
>  drivers/gpu/drm/amd/amdgpu/dce_v10_0.c        | 12 ++--
>  drivers/gpu/drm/amd/amdgpu/dce_v11_0.c        | 12 ++--
>  drivers/gpu/drm/amd/amdgpu/dce_v6_0.c         | 12 ++--
>  drivers/gpu/drm/amd/amdgpu/dce_v8_0.c         | 12 ++--
>  drivers/gpu/drm/drm_atomic.c                  |  6 +-
>  drivers/gpu/drm/drm_crtc.c                    | 22 +++----
>  drivers/gpu/drm/drm_crtc_helper.c             | 20 +++---
>  drivers/gpu/drm/drm_fb_helper.c               |  2 +-
>  drivers/gpu/drm/drm_framebuffer.c             |  4 +-
>  drivers/gpu/drm/drm_plane.c                   | 64 +++++++++----------
>  drivers/gpu/drm/gma500/cdv_intel_display.c    |  2 +-
>  drivers/gpu/drm/gma500/cdv_intel_dp.c         |  2 +-
>  drivers/gpu/drm/gma500/cdv_intel_hdmi.c       |  3 +-
>  drivers/gpu/drm/gma500/cdv_intel_lvds.c       |  2 +-
>  drivers/gpu/drm/gma500/gma_display.c          | 14 ++--
>  drivers/gpu/drm/gma500/oaktrail_crtc.c        |  2 +-
>  drivers/gpu/drm/gma500/psb_intel_display.c    |  2 +-
>  drivers/gpu/drm/gma500/psb_intel_lvds.c       |  2 +-
>  drivers/gpu/drm/gma500/psb_intel_sdvo.c       |  2 +-
>  drivers/gpu/drm/i2c/ch7006_drv.c              |  2 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |  6 +-
>  drivers/gpu/drm/nouveau/dispnv04/crtc.c       | 16 ++---
>  drivers/gpu/drm/nouveau/dispnv04/dfp.c        |  2 +-
>  drivers/gpu/drm/nouveau/dispnv04/disp.c       |  4 +-
>  drivers/gpu/drm/nouveau/dispnv04/tvnv17.c     |  2 +-
>  drivers/gpu/drm/radeon/atombios_crtc.c        | 16 ++---
>  drivers/gpu/drm/radeon/evergreen.c            |  2 +-
>  drivers/gpu/drm/radeon/r100.c                 |  6 +-
>  drivers/gpu/drm/radeon/radeon_connectors.c    |  3 +-
>  drivers/gpu/drm/radeon/radeon_device.c        |  2 +-
>  drivers/gpu/drm/radeon/radeon_display.c       |  4 +-
>  drivers/gpu/drm/radeon/radeon_legacy_crtc.c   | 14 ++--
>  drivers/gpu/drm/radeon/rs600.c                |  2 +-
>  drivers/gpu/drm/radeon/rv770.c                |  2 +-
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.c   |  2 +-
>  include/drm/drm_plane.h                       | 52 +++++++--------
>  38 files changed, 173 insertions(+), 169 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> index 344e0a9ee08a..90973470b6da 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> @@ -94,7 +94,7 @@ static void amdgpu_connector_property_change_mode(struct 
> drm_encoder *encoder)
>  
>       if (crtc && crtc->enabled) {
>               drm_crtc_helper_set_mode(crtc, &crtc->mode,
> -                                      crtc->x, crtc->y, crtc->primary->fb);
> +                                      crtc->x, crtc->y, 
> crtc->primary->legacy.fb);
>       }
>  }
>  
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index b119d27271c1..1b1448a58543 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -216,7 +216,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc 
> *crtc,
>       work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
>  
>       /* schedule unpin of the old buffer */
> -     obj = crtc->primary->fb->obj[0];
> +     obj = crtc->primary->legacy.fb->obj[0];
>  
>       /* take a reference to the old object */
>       work->old_abo = gem_to_amdgpu_bo(obj);
> @@ -280,7 +280,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc 
> *crtc,
>       DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: 
> %p,\n",
>                                        amdgpu_crtc->crtc_id, amdgpu_crtc, 
> work);
>       /* update crtc fb */
> -     crtc->primary->fb = fb;
> +     crtc->primary->legacy.fb = fb;
>       spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
>       amdgpu_display_flip_work_func(&work->flip_work.work);
>       return 0;
> @@ -1715,7 +1715,7 @@ int amdgpu_display_suspend_helper(struct amdgpu_device 
> *adev)
>       /* unpin the front buffers and cursors */
>       list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
>               struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
> -             struct drm_framebuffer *fb = crtc->primary->fb;
> +             struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>               struct amdgpu_bo *robj;
>  
>               if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c 
> b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
> index 70c1399f738d..db19854f04f2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
> @@ -235,7 +235,7 @@ static void dce_v10_0_page_flip(struct amdgpu_device 
> *adev,
>                               int crtc_id, u64 crtc_base, bool async)
>  {
>       struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->legacy.fb;
>       u32 tmp;
>  
>       /* flip at hsync for async, default is vsync */
> @@ -1861,7 +1861,7 @@ static int dce_v10_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1869,7 +1869,7 @@ static int dce_v10_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       /* If atomic, assume fb object is pinned & idle & fenced and
>        * just update base pointers
> @@ -2074,7 +2074,7 @@ static int dce_v10_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       /* set pageflip to happen anywhere in vblank interval */
>       WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               abo = gem_to_amdgpu_bo(fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r != 0))
> @@ -2557,11 +2557,11 @@ static void dce_v10_0_crtc_disable(struct drm_crtc 
> *crtc)
>       int i;
>  
>       dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct amdgpu_bo *abo;
>  
> -             abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
> +             abo = gem_to_amdgpu_bo(crtc->primary->legacy.fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve abo before unpin\n");
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c 
> b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> index f154c24499c8..af889d0b6826 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> @@ -259,7 +259,7 @@ static void dce_v11_0_page_flip(struct amdgpu_device 
> *adev,
>                               int crtc_id, u64 crtc_base, bool async)
>  {
>       struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->legacy.fb;
>       u32 tmp;
>  
>       /* flip immediate for async, default is vsync */
> @@ -1911,7 +1911,7 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1919,7 +1919,7 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       /* If atomic, assume fb object is pinned & idle & fenced and
>        * just update base pointers
> @@ -2124,7 +2124,7 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       /* set pageflip to happen anywhere in vblank interval */
>       WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               abo = gem_to_amdgpu_bo(fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r != 0))
> @@ -2641,11 +2641,11 @@ static void dce_v11_0_crtc_disable(struct drm_crtc 
> *crtc)
>       int i;
>  
>       dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct amdgpu_bo *abo;
>  
> -             abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
> +             abo = gem_to_amdgpu_bo(crtc->primary->legacy.fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve abo before unpin\n");
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c 
> b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> index a7fcb135827f..d55be18957b3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> @@ -195,7 +195,7 @@ static void dce_v6_0_page_flip(struct amdgpu_device *adev,
>                              int crtc_id, u64 crtc_base, bool async)
>  {
>       struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->legacy.fb;
>  
>       /* flip at hsync for async, default is vsync */
>       WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
> @@ -1841,7 +1841,7 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1849,7 +1849,7 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       /* If atomic, assume fb object is pinned & idle & fenced and
>        * just update base pointers
> @@ -2032,7 +2032,7 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       /* set pageflip to happen anywhere in vblank interval */
>       WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               abo = gem_to_amdgpu_bo(fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r != 0))
> @@ -2472,11 +2472,11 @@ static void dce_v6_0_crtc_disable(struct drm_crtc 
> *crtc)
>       int i;
>  
>       dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct amdgpu_bo *abo;
>  
> -             abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
> +             abo = gem_to_amdgpu_bo(crtc->primary->legacy.fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve abo before unpin\n");
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c 
> b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> index 77ac3f114d24..7a24d5835107 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> @@ -186,7 +186,7 @@ static void dce_v8_0_page_flip(struct amdgpu_device *adev,
>                              int crtc_id, u64 crtc_base, bool async)
>  {
>       struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = amdgpu_crtc->base.primary->legacy.fb;
>  
>       /* flip at hsync for async, default is vsync */
>       WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
> @@ -1808,7 +1808,7 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1816,7 +1816,7 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       /* If atomic, assume fb object is pinned & idle & fenced and
>        * just update base pointers
> @@ -2001,7 +2001,7 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc 
> *crtc,
>       /* set pageflip to happen anywhere in vblank interval */
>       WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               abo = gem_to_amdgpu_bo(fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r != 0))
> @@ -2476,11 +2476,11 @@ static void dce_v8_0_crtc_disable(struct drm_crtc 
> *crtc)
>       int i;
>  
>       dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct amdgpu_bo *abo;
>  
> -             abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
> +             abo = gem_to_amdgpu_bo(crtc->primary->legacy.fb->obj[0]);
>               r = amdgpu_bo_reserve(abo, true);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve abo before unpin\n");
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 0fc99da93afe..4cfabc8d20e5 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -530,9 +530,9 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
>       WARN_ON(!state->acquire_ctx);
>  
>       /* the legacy pointers should never be set */
> -     WARN_ON(plane->fb);
> -     WARN_ON(plane->old_fb);
> -     WARN_ON(plane->crtc);
> +     WARN_ON(plane->legacy.fb);
> +     WARN_ON(plane->legacy.old_fb);
> +     WARN_ON(plane->legacy.crtc);
>  
>       plane_state = drm_atomic_get_existing_plane_state(state, plane);
>       if (plane_state)
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 3488ff067c69..db9e6253949f 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -544,8 +544,8 @@ int drm_mode_getcrtc(struct drm_device *dev,
>       drm_modeset_lock(&plane->mutex, NULL);
>       if (plane->state && plane->state->fb)
>               crtc_resp->fb_id = plane->state->fb->base.id;
> -     else if (!plane->state && plane->fb)
> -             crtc_resp->fb_id = plane->fb->base.id;
> +     else if (!plane->state && plane->legacy.fb)
> +             crtc_resp->fb_id = plane->legacy.fb->base.id;
>       else
>               crtc_resp->fb_id = 0;
>  
> @@ -600,7 +600,7 @@ static int __drm_mode_set_config_internal(struct 
> drm_mode_set *set,
>       drm_for_each_crtc(tmp, crtc->dev) {
>               struct drm_plane *plane = tmp->primary;
>  
> -             plane->old_fb = plane->fb;
> +             plane->legacy.old_fb = plane->legacy.fb;
>       }
>  
>       fb = set->fb;
> @@ -609,18 +609,18 @@ static int __drm_mode_set_config_internal(struct 
> drm_mode_set *set,
>       if (ret == 0) {
>               struct drm_plane *plane = crtc->primary;
>  
> -             plane->crtc = fb ? crtc : NULL;
> -             plane->fb = fb;
> +             plane->legacy.crtc = fb ? crtc : NULL;
> +             plane->legacy.fb = fb;
>       }
>  
>       drm_for_each_crtc(tmp, crtc->dev) {
>               struct drm_plane *plane = tmp->primary;
>  
> -             if (plane->fb)
> -                     drm_framebuffer_get(plane->fb);
> -             if (plane->old_fb)
> -                     drm_framebuffer_put(plane->old_fb);
> -             plane->old_fb = NULL;
> +             if (plane->legacy.fb)
> +                     drm_framebuffer_get(plane->legacy.fb);
> +             if (plane->legacy.old_fb)
> +                     drm_framebuffer_put(plane->legacy.old_fb);
> +             plane->legacy.old_fb = NULL;
>       }
>  
>       return ret;
> @@ -739,7 +739,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
>                       if (plane->state)
>                               old_fb = plane->state->fb;
>                       else
> -                             old_fb = plane->fb;
> +                             old_fb = plane->legacy.fb;
>  
>                       if (!old_fb) {
>                               drm_dbg_kms(dev, "CRTC doesn't have current 
> FB\n");
> diff --git a/drivers/gpu/drm/drm_crtc_helper.c 
> b/drivers/gpu/drm/drm_crtc_helper.c
> index 0955f1c385dd..1df4a05f7a01 100644
> --- a/drivers/gpu/drm/drm_crtc_helper.c
> +++ b/drivers/gpu/drm/drm_crtc_helper.c
> @@ -204,7 +204,7 @@ static void __drm_helper_disable_unused_functions(struct 
> drm_device *dev)
>                               (*crtc_funcs->disable)(crtc);
>                       else
>                               (*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF);
> -                     crtc->primary->fb = NULL;
> +                     crtc->primary->legacy.fb = NULL;
>               }
>       }
>  }
> @@ -635,17 +635,17 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
>       save_set.mode = &set->crtc->mode;
>       save_set.x = set->crtc->x;
>       save_set.y = set->crtc->y;
> -     save_set.fb = set->crtc->primary->fb;
> +     save_set.fb = set->crtc->primary->legacy.fb;
>  
>       /* We should be able to check here if the fb has the same properties
>        * and then just flip_or_move it */
> -     if (set->crtc->primary->fb != set->fb) {
> +     if (set->crtc->primary->legacy.fb != set->fb) {
>               /* If we have no fb then treat it as a full mode set */
> -             if (set->crtc->primary->fb == NULL) {
> +             if (set->crtc->primary->legacy.fb == NULL) {
>                       drm_dbg_kms(dev, "[CRTC:%d:%s] no fb, full mode set\n",
>                                   set->crtc->base.id, set->crtc->name);
>                       mode_changed = true;
> -             } else if (set->fb->format != set->crtc->primary->fb->format) {
> +             } else if (set->fb->format != 
> set->crtc->primary->legacy.fb->format) {
>                       mode_changed = true;
>               } else
>                       fb_changed = true;
> @@ -768,13 +768,13 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
>               if (drm_helper_crtc_in_use(set->crtc)) {
>                       drm_dbg_kms(dev, "[CRTC:%d:%s] attempting to set mode 
> from userspace: " DRM_MODE_FMT "\n",
>                                   set->crtc->base.id, set->crtc->name, 
> DRM_MODE_ARG(set->mode));
> -                     set->crtc->primary->fb = set->fb;
> +                     set->crtc->primary->legacy.fb = set->fb;
>                       if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
>                                                     set->x, set->y,
>                                                     save_set.fb)) {
>                               drm_err(dev, "[CRTC:%d:%s] failed to set 
> mode\n",
>                                       set->crtc->base.id, set->crtc->name);
> -                             set->crtc->primary->fb = save_set.fb;
> +                             set->crtc->primary->legacy.fb = save_set.fb;
>                               ret = -EINVAL;
>                               goto fail;
>                       }
> @@ -790,13 +790,13 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
>       } else if (fb_changed) {
>               set->crtc->x = set->x;
>               set->crtc->y = set->y;
> -             set->crtc->primary->fb = set->fb;
> +             set->crtc->primary->legacy.fb = set->fb;
>               ret = crtc_funcs->mode_set_base(set->crtc,
>                                               set->x, set->y, save_set.fb);
>               if (ret != 0) {
>                       set->crtc->x = save_set.x;
>                       set->crtc->y = save_set.y;
> -                     set->crtc->primary->fb = save_set.fb;
> +                     set->crtc->primary->legacy.fb = save_set.fb;
>                       goto fail;
>               }
>       }
> @@ -997,7 +997,7 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
>                       continue;
>  
>               ret = drm_crtc_helper_set_mode(crtc, &crtc->mode,
> -                                            crtc->x, crtc->y, 
> crtc->primary->fb);
> +                                            crtc->x, crtc->y, 
> crtc->primary->legacy.fb);
>  
>               /* Restoring the old config should never fail! */
>               if (ret == false)
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index d5e8994345bb..fd9d804e3672 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -189,7 +189,7 @@ int drm_fb_helper_debug_leave(struct fb_info *info)
>                       continue;
>  
>               funcs = crtc->helper_private;
> -             fb = crtc->primary->fb;
> +             fb = crtc->primary->legacy.fb;
>  
>               if (!crtc->enabled)
>                       continue;
> diff --git a/drivers/gpu/drm/drm_framebuffer.c 
> b/drivers/gpu/drm/drm_framebuffer.c
> index 47e6e8577b62..ab7d4d4c0917 100644
> --- a/drivers/gpu/drm/drm_framebuffer.c
> +++ b/drivers/gpu/drm/drm_framebuffer.c
> @@ -1081,7 +1081,7 @@ static void legacy_remove_fb(struct drm_framebuffer *fb)
>       drm_modeset_lock_all(dev);
>       /* remove from any CRTC */
>       drm_for_each_crtc(crtc, dev) {
> -             if (crtc->primary->fb == fb) {
> +             if (crtc->primary->legacy.fb == fb) {
>                       drm_dbg_kms(dev,
>                                   "Disabling [CRTC:%d:%s] because [FB:%d] is 
> removed\n",
>                                   crtc->base.id, crtc->name, fb->base.id);
> @@ -1093,7 +1093,7 @@ static void legacy_remove_fb(struct drm_framebuffer *fb)
>       }
>  
>       drm_for_each_plane(plane, dev) {
> -             if (plane->fb == fb) {
> +             if (plane->legacy.fb == fb) {
>                       drm_dbg_kms(dev,
>                                   "Disabling [PLANE:%d:%s] because [FB:%d] is 
> removed\n",
>                                   plane->base.id, plane->name, fb->base.id);
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index a28b22fdd7a4..4b077110238a 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -723,23 +723,23 @@ void drm_plane_force_disable(struct drm_plane *plane)
>  {
>       int ret;
>  
> -     if (!plane->fb)
> +     if (!plane->legacy.fb)
>               return;
>  
>       WARN_ON(drm_drv_uses_atomic_modeset(plane->dev));
>  
> -     plane->old_fb = plane->fb;
> +     plane->legacy.old_fb = plane->legacy.fb;
>       ret = plane->funcs->disable_plane(plane, NULL);
>       if (ret) {
>               DRM_ERROR("failed to disable plane with busy fb\n");
> -             plane->old_fb = NULL;
> +             plane->legacy.old_fb = NULL;
>               return;
>       }
>       /* disconnect the plane from the fb and crtc: */
> -     drm_framebuffer_put(plane->old_fb);
> -     plane->old_fb = NULL;
> -     plane->fb = NULL;
> -     plane->crtc = NULL;
> +     drm_framebuffer_put(plane->legacy.old_fb);
> +     plane->legacy.old_fb = NULL;
> +     plane->legacy.fb = NULL;
> +     plane->legacy.crtc = NULL;
>  }
>  EXPORT_SYMBOL(drm_plane_force_disable);
>  
> @@ -840,15 +840,15 @@ int drm_mode_getplane(struct drm_device *dev, void 
> *data,
>       drm_modeset_lock(&plane->mutex, NULL);
>       if (plane->state && plane->state->crtc && drm_lease_held(file_priv, 
> plane->state->crtc->base.id))
>               plane_resp->crtc_id = plane->state->crtc->base.id;
> -     else if (!plane->state && plane->crtc && drm_lease_held(file_priv, 
> plane->crtc->base.id))
> -             plane_resp->crtc_id = plane->crtc->base.id;
> +     else if (!plane->state && plane->legacy.crtc && 
> drm_lease_held(file_priv, plane->legacy.crtc->base.id))
> +             plane_resp->crtc_id = plane->legacy.crtc->base.id;
>       else
>               plane_resp->crtc_id = 0;
>  
>       if (plane->state && plane->state->fb)
>               plane_resp->fb_id = plane->state->fb->base.id;
> -     else if (!plane->state && plane->fb)
> -             plane_resp->fb_id = plane->fb->base.id;
> +     else if (!plane->state && plane->legacy.fb)
> +             plane_resp->fb_id = plane->legacy.fb->base.id;
>       else
>               plane_resp->fb_id = 0;
>       drm_modeset_unlock(&plane->mutex);
> @@ -1004,13 +1004,13 @@ static int __setplane_internal(struct drm_plane 
> *plane,
>  
>       /* No fb means shut it down */
>       if (!fb) {
> -             plane->old_fb = plane->fb;
> +             plane->legacy.old_fb = plane->legacy.fb;
>               ret = plane->funcs->disable_plane(plane, ctx);
>               if (!ret) {
> -                     plane->crtc = NULL;
> -                     plane->fb = NULL;
> +                     plane->legacy.crtc = NULL;
> +                     plane->legacy.fb = NULL;
>               } else {
> -                     plane->old_fb = NULL;
> +                     plane->legacy.old_fb = NULL;
>               }
>               goto out;
>       }
> @@ -1021,22 +1021,22 @@ static int __setplane_internal(struct drm_plane 
> *plane,
>       if (ret)
>               goto out;
>  
> -     plane->old_fb = plane->fb;
> +     plane->legacy.old_fb = plane->legacy.fb;
>       ret = plane->funcs->update_plane(plane, crtc, fb,
>                                        crtc_x, crtc_y, crtc_w, crtc_h,
>                                        src_x, src_y, src_w, src_h, ctx);
>       if (!ret) {
> -             plane->crtc = crtc;
> -             plane->fb = fb;
> -             drm_framebuffer_get(plane->fb);
> +             plane->legacy.crtc = crtc;
> +             plane->legacy.fb = fb;
> +             drm_framebuffer_get(plane->legacy.fb);
>       } else {
> -             plane->old_fb = NULL;
> +             plane->legacy.old_fb = NULL;
>       }
>  
>  out:
> -     if (plane->old_fb)
> -             drm_framebuffer_put(plane->old_fb);
> -     plane->old_fb = NULL;
> +     if (plane->legacy.old_fb)
> +             drm_framebuffer_put(plane->legacy.old_fb);
> +     plane->legacy.old_fb = NULL;
>  
>       return ret;
>  }
> @@ -1178,7 +1178,7 @@ static int drm_mode_cursor_universal(struct drm_crtc 
> *crtc,
>       int ret = 0;
>  
>       BUG_ON(!plane);
> -     WARN_ON(plane->crtc != crtc && plane->crtc != NULL);
> +     WARN_ON(plane->legacy.crtc != crtc && plane->legacy.crtc != NULL);
>  
>       /*
>        * Obtain fb we'll be using (either new or existing) and take an extra
> @@ -1204,7 +1204,7 @@ static int drm_mode_cursor_universal(struct drm_crtc 
> *crtc,
>               if (plane->state)
>                       fb = plane->state->fb;
>               else
> -                     fb = plane->fb;
> +                     fb = plane->legacy.fb;
>  
>               if (fb)
>                       drm_framebuffer_get(fb);
> @@ -1441,7 +1441,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>       if (plane->state)
>               old_fb = plane->state->fb;
>       else
> -             old_fb = plane->fb;
> +             old_fb = plane->legacy.fb;
>  
>       if (old_fb == NULL) {
>               /* The framebuffer is currently unbound, presumably
> @@ -1506,7 +1506,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>               }
>       }
>  
> -     plane->old_fb = plane->fb;
> +     plane->legacy.old_fb = plane->legacy.fb;
>       if (crtc->funcs->page_flip_target)
>               ret = crtc->funcs->page_flip_target(crtc, fb, e,
>                                                   page_flip->flags,
> @@ -1519,10 +1519,10 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>               if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT)
>                       drm_event_cancel_free(dev, &e->base);
>               /* Keep the old fb, don't unref it. */
> -             plane->old_fb = NULL;
> +             plane->legacy.old_fb = NULL;
>       } else {
>               if (!plane->state) {
> -                     plane->fb = fb;
> +                     plane->legacy.fb = fb;
>                       drm_framebuffer_get(fb);
>               }
>       }
> @@ -1531,9 +1531,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>       if (fb)
>               drm_framebuffer_put(fb);
>       fb = NULL;
> -     if (plane->old_fb)
> -             drm_framebuffer_put(plane->old_fb);
> -     plane->old_fb = NULL;
> +     if (plane->legacy.old_fb)
> +             drm_framebuffer_put(plane->legacy.old_fb);
> +     plane->legacy.old_fb = NULL;
>  
>       if (ret == -EDEADLK) {
>               ret = drm_modeset_backoff(&ctx);
> diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c 
> b/drivers/gpu/drm/gma500/cdv_intel_display.c
> index bbd0abdd8382..faef6f724446 100644
> --- a/drivers/gpu/drm/gma500/cdv_intel_display.c
> +++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
> @@ -462,7 +462,7 @@ static bool cdv_intel_pipe_enabled(struct drm_device 
> *dev, int pipe)
>       crtc = dev_priv->pipe_to_crtc_mapping[pipe];
>       gma_crtc = to_gma_crtc(crtc);
>  
> -     if (crtc->primary->fb == NULL || !gma_crtc->active)
> +     if (crtc->primary->legacy.fb == NULL || !gma_crtc->active)
>               return false;
>       return true;
>  }
> diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c 
> b/drivers/gpu/drm/gma500/cdv_intel_dp.c
> index cc2ed9b3fd2d..49851881e41e 100644
> --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
> +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
> @@ -1849,7 +1849,7 @@ cdv_intel_dp_set_property(struct drm_connector 
> *connector,
>               struct drm_crtc *crtc = encoder->base.crtc;
>               drm_crtc_helper_set_mode(crtc, &crtc->mode,
>                                        crtc->x, crtc->y,
> -                                      crtc->primary->fb);
> +                                      crtc->primary->legacy.fb);
>       }
>  
>       return 0;
> diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c 
> b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
> index 2d95e0471291..16968c94bfd3 100644
> --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
> +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
> @@ -191,7 +191,8 @@ static int cdv_hdmi_set_property(struct drm_connector 
> *connector,
>                   crtc->saved_mode.vdisplay != 0) {
>                       if (centre) {
>                               if (!drm_crtc_helper_set_mode(encoder->crtc, 
> &crtc->saved_mode,
> -                                         encoder->crtc->x, encoder->crtc->y, 
> encoder->crtc->primary->fb))
> +                                                           encoder->crtc->x, 
> encoder->crtc->y,
> +                                                           
> encoder->crtc->primary->legacy.fb))
>                                       return -1;
>                       } else {
>                               const struct drm_encoder_helper_funcs *helpers
> diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c 
> b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
> index f3a4517bdf27..b607355b85dd 100644
> --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
> +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
> @@ -375,7 +375,7 @@ static int cdv_intel_lvds_set_property(struct 
> drm_connector *connector,
>                                                     &crtc->saved_mode,
>                                                     encoder->crtc->x,
>                                                     encoder->crtc->y,
> -                                                   
> encoder->crtc->primary->fb))
> +                                                   
> encoder->crtc->primary->legacy.fb))
>                               return -1;
>               }
>       } else if (!strcmp(property->name, "backlight") && encoder) {
> diff --git a/drivers/gpu/drm/gma500/gma_display.c 
> b/drivers/gpu/drm/gma500/gma_display.c
> index f65e90d890f4..f2f8a95c8d39 100644
> --- a/drivers/gpu/drm/gma500/gma_display.c
> +++ b/drivers/gpu/drm/gma500/gma_display.c
> @@ -61,7 +61,7 @@ int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y,
>       struct drm_device *dev = crtc->dev;
>       struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
>       struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
> -     struct drm_framebuffer *fb = crtc->primary->fb;
> +     struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>       struct psb_gem_object *pobj;
>       int pipe = gma_crtc->pipe;
>       const struct psb_offset *map = &dev_priv->regmap[pipe];
> @@ -490,8 +490,8 @@ void gma_crtc_disable(struct drm_crtc *crtc)
>  
>       crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
>  
> -     if (crtc->primary->fb) {
> -             pobj = to_psb_gem_object(crtc->primary->fb->obj[0]);
> +     if (crtc->primary->legacy.fb) {
> +             pobj = to_psb_gem_object(crtc->primary->legacy.fb->obj[0]);
>               psb_gem_unpin(pobj);
>       }
>  }
> @@ -515,8 +515,8 @@ int gma_crtc_page_flip(struct drm_crtc *crtc,
>                      struct drm_modeset_acquire_ctx *ctx)
>  {
>       struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
> -     struct drm_framebuffer *current_fb = crtc->primary->fb;
> -     struct drm_framebuffer *old_fb = crtc->primary->old_fb;
> +     struct drm_framebuffer *current_fb = crtc->primary->legacy.fb;
> +     struct drm_framebuffer *old_fb = crtc->primary->legacy.old_fb;
>       const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
>       struct drm_device *dev = crtc->dev;
>       unsigned long flags;
> @@ -526,7 +526,7 @@ int gma_crtc_page_flip(struct drm_crtc *crtc,
>               return -EINVAL;
>  
>       /* Using mode_set_base requires the new fb to be set already. */
> -     crtc->primary->fb = fb;
> +     crtc->primary->legacy.fb = fb;
>  
>       if (event) {
>               spin_lock_irqsave(&dev->event_lock, flags);
> @@ -552,7 +552,7 @@ int gma_crtc_page_flip(struct drm_crtc *crtc,
>  
>       /* Restore previous fb in case of failure. */
>       if (ret)
> -             crtc->primary->fb = current_fb;
> +             crtc->primary->legacy.fb = current_fb;
>  
>       return ret;
>  }
> diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c 
> b/drivers/gpu/drm/gma500/oaktrail_crtc.c
> index de8ccfe9890f..2c23b86a1ace 100644
> --- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
> +++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
> @@ -595,7 +595,7 @@ static int oaktrail_pipe_set_base(struct drm_crtc *crtc,
>       struct drm_device *dev = crtc->dev;
>       struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
>       struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
> -     struct drm_framebuffer *fb = crtc->primary->fb;
> +     struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>       int pipe = gma_crtc->pipe;
>       const struct psb_offset *map = &dev_priv->regmap[pipe];
>       unsigned long start, offset;
> diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c 
> b/drivers/gpu/drm/gma500/psb_intel_display.c
> index ff46e88c4768..03da68427318 100644
> --- a/drivers/gpu/drm/gma500/psb_intel_display.c
> +++ b/drivers/gpu/drm/gma500/psb_intel_display.c
> @@ -112,7 +112,7 @@ static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
>       const struct gma_limit_t *limit;
>  
>       /* No scan out no play */
> -     if (crtc->primary->fb == NULL) {
> +     if (crtc->primary->legacy.fb == NULL) {
>               crtc_funcs->mode_set_base(crtc, x, y, old_fb);
>               return 0;
>       }
> diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c 
> b/drivers/gpu/drm/gma500/psb_intel_lvds.c
> index 138f153d38ba..1e80bc865843 100644
> --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
> +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
> @@ -570,7 +570,7 @@ int psb_intel_lvds_set_property(struct drm_connector 
> *connector,
>                                                     &crtc->saved_mode,
>                                                     encoder->crtc->x,
>                                                     encoder->crtc->y,
> -                                                   
> encoder->crtc->primary->fb))
> +                                                   
> encoder->crtc->primary->legacy.fb))
>                               goto set_prop_error;
>               }
>       } else if (!strcmp(property->name, "backlight")) {
> diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c 
> b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
> index 8dafff963ca8..9fab87f17dc9 100644
> --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
> +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
> @@ -1727,7 +1727,7 @@ psb_intel_sdvo_set_property(struct drm_connector 
> *connector,
>       if (psb_intel_sdvo->base.base.crtc) {
>               struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
>               drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
> -                                      crtc->y, crtc->primary->fb);
> +                                      crtc->y, crtc->primary->legacy.fb);
>       }
>  
>       return 0;
> diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c 
> b/drivers/gpu/drm/i2c/ch7006_drv.c
> index 131512a5f3bd..058cb389b8ec 100644
> --- a/drivers/gpu/drm/i2c/ch7006_drv.c
> +++ b/drivers/gpu/drm/i2c/ch7006_drv.c
> @@ -364,7 +364,7 @@ static int ch7006_encoder_set_property(struct drm_encoder 
> *encoder,
>               if (crtc)
>                       drm_crtc_helper_set_mode(crtc, &crtc->mode,
>                                                crtc->x, crtc->y,
> -                                              crtc->primary->fb);
> +                                              crtc->primary->legacy.fb);
>       }
>  
>       return 0;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c 
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 9bcae53c4f45..9bd800a42253 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -122,11 +122,11 @@ static void _dpu_plane_set_danger_state(struct dpu_kms 
> *kms, bool enable)
>       struct drm_plane *plane;
>  
>       drm_for_each_plane(plane, kms->dev) {
> -             if (plane->fb && plane->state) {
> +             if (plane->legacy.fb && plane->state) {
>                       dpu_plane_danger_signal_ctrl(plane, enable);
>                       DPU_DEBUG("plane:%d img:%dx%d ",
> -                             plane->base.id, plane->fb->width,
> -                             plane->fb->height);
> +                             plane->base.id, plane->legacy.fb->width,
> +                             plane->legacy.fb->height);
>                       DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n",
>                               plane->state->src_x >> 16,
>                               plane->state->src_y >> 16,
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c 
> b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> index 67146f1e8482..4cbc3976b180 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> @@ -239,7 +239,7 @@ nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct 
> drm_display_mode *mode)
>       struct drm_device *dev = crtc->dev;
>       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
>       struct nv04_crtc_reg *regp = 
> &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
> -     struct drm_framebuffer *fb = crtc->primary->fb;
> +     struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>  
>       /* Calculate our timings */
>       int horizDisplay        = (mode->crtc_hdisplay >> 3)            - 1;
> @@ -465,7 +465,7 @@ nv_crtc_mode_set_regs(struct drm_crtc *crtc, struct 
> drm_display_mode * mode)
>       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
>       struct nv04_crtc_reg *regp = 
> &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
>       struct nv04_crtc_reg *savep = 
> &nv04_display(dev)->saved_reg.crtc_reg[nv_crtc->index];
> -     const struct drm_framebuffer *fb = crtc->primary->fb;
> +     const struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>       struct drm_encoder *encoder;
>       bool lvds_output = false, tmds_output = false, tv_output = false,
>               off_chip_digital = false;
> @@ -610,7 +610,7 @@ static int
>  nv_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
>  {
>       struct nv04_display *disp = nv04_display(crtc->dev);
> -     struct drm_framebuffer *fb = crtc->primary->fb;
> +     struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>       struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
>       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
>       int ret;
> @@ -826,7 +826,7 @@ nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, 
> u16 *b,
>        * mark the lut values as dirty by setting depth==0, and it'll be
>        * uploaded on the first mode_set_base()
>        */
> -     if (!nv_crtc->base.primary->fb) {
> +     if (!nv_crtc->base.primary->legacy.fb) {
>               nv_crtc->lut.depth = 0;
>               return 0;
>       }
> @@ -852,7 +852,7 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
>       NV_DEBUG(drm, "index %d\n", nv_crtc->index);
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               NV_DEBUG(drm, "No FB bound\n");
>               return 0;
>       }
> @@ -863,7 +863,7 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
>       if (atomic) {
>               drm_fb = passed_fb;
>       } else {
> -             drm_fb = crtc->primary->fb;
> +             drm_fb = crtc->primary->legacy.fb;
>       }
>  
>       nvbo = nouveau_gem_object(drm_fb->obj[0]);
> @@ -1157,7 +1157,7 @@ nv04_crtc_page_flip(struct drm_crtc *crtc, struct 
> drm_framebuffer *fb,
>       const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
>       struct drm_device *dev = crtc->dev;
>       struct nouveau_drm *drm = nouveau_drm(dev);
> -     struct drm_framebuffer *old_fb = crtc->primary->fb;
> +     struct drm_framebuffer *old_fb = crtc->primary->legacy.fb;
>       struct nouveau_bo *old_bo = nouveau_gem_object(old_fb->obj[0]);
>       struct nouveau_bo *new_bo = nouveau_gem_object(fb->obj[0]);
>       struct nv04_page_flip_state *s;
> @@ -1237,7 +1237,7 @@ nv04_crtc_page_flip(struct drm_crtc *crtc, struct 
> drm_framebuffer *fb,
>       mutex_unlock(&cli->mutex);
>  
>       /* Update the crtc struct and cleanup */
> -     crtc->primary->fb = fb;
> +     crtc->primary->legacy.fb = fb;
>  
>       nouveau_bo_fence(old_bo, fence, false);
>       ttm_bo_unreserve(&old_bo->bo);
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/dfp.c 
> b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
> index 504c421aa176..be49c7180622 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/dfp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
> @@ -291,7 +291,7 @@ static void nv04_dfp_mode_set(struct drm_encoder *encoder,
>       struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
>       struct drm_display_mode *output_mode = &nv_encoder->mode;
>       struct drm_connector *connector = &nv_connector->base;
> -     const struct drm_framebuffer *fb = encoder->crtc->primary->fb;
> +     const struct drm_framebuffer *fb = encoder->crtc->primary->legacy.fb;
>       uint32_t mode_ratio, panel_ratio;
>  
>       NV_DEBUG(drm, "Output mode on CRTC %d:\n", nv_crtc->index);
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c 
> b/drivers/gpu/drm/nouveau/dispnv04/disp.c
> index f71199a39bc4..45097913794c 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
> @@ -76,7 +76,7 @@ nv04_display_fini(struct drm_device *dev, bool runtime, 
> bool suspend)
>  
>       /* Un-pin FB and cursors so they'll be evicted to system memory. */
>       list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> -             struct drm_framebuffer *fb = crtc->primary->fb;
> +             struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>               struct nouveau_bo *nvbo;
>  
>               if (!fb || !fb->obj[0])
> @@ -128,7 +128,7 @@ nv04_display_init(struct drm_device *dev, bool resume, 
> bool runtime)
>  
>       /* Re-pin FB/cursors. */
>       list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> -             struct drm_framebuffer *fb = crtc->primary->fb;
> +             struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>               struct nouveau_bo *nvbo;
>  
>               if (!fb || !fb->obj[0])
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c 
> b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
> index 3ecb101d23e9..4bc8039e6ee0 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
> @@ -756,7 +756,7 @@ static int nv17_tv_set_property(struct drm_encoder 
> *encoder,
>               if (crtc)
>                       drm_crtc_helper_set_mode(crtc, &crtc->mode,
>                                                crtc->x, crtc->y,
> -                                              crtc->primary->fb);
> +                                              crtc->primary->legacy.fb);
>       }
>  
>       return 0;
> diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c 
> b/drivers/gpu/drm/radeon/atombios_crtc.c
> index 9b3a3a9d60e2..36e4663186c8 100644
> --- a/drivers/gpu/drm/radeon/atombios_crtc.c
> +++ b/drivers/gpu/drm/radeon/atombios_crtc.c
> @@ -1150,7 +1150,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1158,7 +1158,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       /* If atomic, assume fb object is pinned & idle & fenced and
>        * just update base pointers
> @@ -1437,7 +1437,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
>       /* set pageflip to happen anywhere in vblank interval */
>       WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               rbo = gem_to_radeon_bo(fb->obj[0]);
>               r = radeon_bo_reserve(rbo, false);
>               if (unlikely(r != 0))
> @@ -1470,7 +1470,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
>       bool bypass_lut = false;
>  
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -1478,7 +1478,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       obj = target_fb->obj[0];
>       rbo = gem_to_radeon_bo(obj);
> @@ -1645,7 +1645,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
>       /* set pageflip to happen only at start of vblank interval (front 
> porch) */
>       WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               rbo = gem_to_radeon_bo(fb->obj[0]);
>               r = radeon_bo_reserve(rbo, false);
>               if (unlikely(r != 0))
> @@ -2150,11 +2150,11 @@ static void atombios_crtc_disable(struct drm_crtc 
> *crtc)
>       int i;
>  
>       atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct radeon_bo *rbo;
>  
> -             rbo = gem_to_radeon_bo(crtc->primary->fb->obj[0]);
> +             rbo = gem_to_radeon_bo(crtc->primary->legacy.fb->obj[0]);
>               r = radeon_bo_reserve(rbo, false);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve rbo before unpin\n");
> diff --git a/drivers/gpu/drm/radeon/evergreen.c 
> b/drivers/gpu/drm/radeon/evergreen.c
> index bc4ab71613a5..2cbcf7cfdc3c 100644
> --- a/drivers/gpu/drm/radeon/evergreen.c
> +++ b/drivers/gpu/drm/radeon/evergreen.c
> @@ -1417,7 +1417,7 @@ void evergreen_page_flip(struct radeon_device *rdev, 
> int crtc_id, u64 crtc_base,
>                        bool async)
>  {
>       struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = radeon_crtc->base.primary->legacy.fb;
>  
>       /* flip at hsync for async, default is vsync */
>       WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
> diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
> index 80703417d8a1..1aa3126ab6d9 100644
> --- a/drivers/gpu/drm/radeon/r100.c
> +++ b/drivers/gpu/drm/radeon/r100.c
> @@ -165,7 +165,7 @@ void r100_page_flip(struct radeon_device *rdev, int 
> crtc_id, u64 crtc_base, bool
>  {
>       struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
>       uint32_t crtc_pitch, pitch_pixels;
> -     struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = radeon_crtc->base.primary->legacy.fb;
>       u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
>       int i;
>  
> @@ -3244,7 +3244,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
>  
>       if (rdev->mode_info.crtcs[0]->base.enabled) {
>               const struct drm_framebuffer *fb =
> -                     rdev->mode_info.crtcs[0]->base.primary->fb;
> +                     rdev->mode_info.crtcs[0]->base.primary->legacy.fb;
>  
>               mode1 = &rdev->mode_info.crtcs[0]->base.mode;
>               pixel_bytes1 = fb->format->cpp[0];
> @@ -3252,7 +3252,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
>       if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
>               if (rdev->mode_info.crtcs[1]->base.enabled) {
>                       const struct drm_framebuffer *fb =
> -                             rdev->mode_info.crtcs[1]->base.primary->fb;
> +                             
> rdev->mode_info.crtcs[1]->base.primary->legacy.fb;
>  
>                       mode2 = &rdev->mode_info.crtcs[1]->base.mode;
>                       pixel_bytes2 = fb->format->cpp[0];
> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c 
> b/drivers/gpu/drm/radeon/radeon_connectors.c
> index 528a8f3677c2..dbe0f75cfea7 100644
> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
> @@ -92,7 +92,8 @@ static void radeon_property_change_mode(struct drm_encoder 
> *encoder)
>  
>       if (crtc && crtc->enabled) {
>               drm_crtc_helper_set_mode(crtc, &crtc->mode,
> -                                      crtc->x, crtc->y, crtc->primary->fb);
> +                                      crtc->x, crtc->y,
> +                                      crtc->primary->legacy.fb);
>       }
>  }
>  
> diff --git a/drivers/gpu/drm/radeon/radeon_device.c 
> b/drivers/gpu/drm/radeon/radeon_device.c
> index 554b236c2328..edea6d3638e5 100644
> --- a/drivers/gpu/drm/radeon/radeon_device.c
> +++ b/drivers/gpu/drm/radeon/radeon_device.c
> @@ -1572,7 +1572,7 @@ int radeon_suspend_kms(struct drm_device *dev, bool 
> suspend,
>       /* unpin the front buffers and cursors */
>       list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
>               struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
> -             struct drm_framebuffer *fb = crtc->primary->fb;
> +             struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>               struct radeon_bo *robj;
>  
>               if (radeon_crtc->cursor_bo) {
> diff --git a/drivers/gpu/drm/radeon/radeon_display.c 
> b/drivers/gpu/drm/radeon/radeon_display.c
> index 8f5f8abcb1b4..55f80424f514 100644
> --- a/drivers/gpu/drm/radeon/radeon_display.c
> +++ b/drivers/gpu/drm/radeon/radeon_display.c
> @@ -506,7 +506,7 @@ static int radeon_crtc_page_flip_target(struct drm_crtc 
> *crtc,
>       work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
>  
>       /* schedule unpin of the old buffer */
> -     obj = crtc->primary->fb->obj[0];
> +     obj = crtc->primary->legacy.fb->obj[0];
>  
>       /* take a reference to the old object */
>       drm_gem_object_get(obj);
> @@ -595,7 +595,7 @@ static int radeon_crtc_page_flip_target(struct drm_crtc 
> *crtc,
>       radeon_crtc->flip_work = work;
>  
>       /* update crtc fb */
> -     crtc->primary->fb = fb;
> +     crtc->primary->legacy.fb = fb;
>  
>       spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
>  
> diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c 
> b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
> index 825b351ff53c..6b37b301ea1f 100644
> --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
> +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
> @@ -390,7 +390,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
>  
>       DRM_DEBUG_KMS("\n");
>       /* no fb bound */
> -     if (!atomic && !crtc->primary->fb) {
> +     if (!atomic && !crtc->primary->legacy.fb) {
>               DRM_DEBUG_KMS("No FB bound\n");
>               return 0;
>       }
> @@ -398,7 +398,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
>       if (atomic)
>               target_fb = fb;
>       else
> -             target_fb = crtc->primary->fb;
> +             target_fb = crtc->primary->legacy.fb;
>  
>       switch (target_fb->format->cpp[0] * 8) {
>       case 8:
> @@ -445,7 +445,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
>                * We don't shutdown the display controller because new buffer
>                * will end up in same spot.
>                */
> -             if (!atomic && fb && fb != crtc->primary->fb) {
> +             if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>                       struct radeon_bo *old_rbo;
>                       unsigned long nsize, osize;
>  
> @@ -555,7 +555,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
>       WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset);
>       WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
>  
> -     if (!atomic && fb && fb != crtc->primary->fb) {
> +     if (!atomic && fb && fb != crtc->primary->legacy.fb) {
>               rbo = gem_to_radeon_bo(fb->obj[0]);
>               r = radeon_bo_reserve(rbo, false);
>               if (unlikely(r != 0))
> @@ -575,7 +575,7 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, 
> struct drm_display_mod
>       struct drm_device *dev = crtc->dev;
>       struct radeon_device *rdev = dev->dev_private;
>       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
> -     const struct drm_framebuffer *fb = crtc->primary->fb;
> +     const struct drm_framebuffer *fb = crtc->primary->legacy.fb;
>       struct drm_encoder *encoder;
>       int format;
>       int hsync_start;
> @@ -1088,11 +1088,11 @@ static void radeon_crtc_commit(struct drm_crtc *crtc)
>  static void radeon_crtc_disable(struct drm_crtc *crtc)
>  {
>       radeon_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
> -     if (crtc->primary->fb) {
> +     if (crtc->primary->legacy.fb) {
>               int r;
>               struct radeon_bo *rbo;
>  
> -             rbo = gem_to_radeon_bo(crtc->primary->fb->obj[0]);
> +             rbo = gem_to_radeon_bo(crtc->primary->legacy.fb->obj[0]);
>               r = radeon_bo_reserve(rbo, false);
>               if (unlikely(r))
>                       DRM_ERROR("failed to reserve rbo before unpin\n");
> diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
> index 88c8e91ea651..335df822b330 100644
> --- a/drivers/gpu/drm/radeon/rs600.c
> +++ b/drivers/gpu/drm/radeon/rs600.c
> @@ -119,7 +119,7 @@ void avivo_wait_for_vblank(struct radeon_device *rdev, 
> int crtc)
>  void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, 
> bool async)
>  {
>       struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = radeon_crtc->base.primary->legacy.fb;
>       u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
>       int i;
>  
> diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
> index 7d4b0bf59109..4f3f19500adf 100644
> --- a/drivers/gpu/drm/radeon/rv770.c
> +++ b/drivers/gpu/drm/radeon/rv770.c
> @@ -800,7 +800,7 @@ u32 rv770_get_xclk(struct radeon_device *rdev)
>  void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, 
> bool async)
>  {
>       struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
> -     struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
> +     struct drm_framebuffer *fb = radeon_crtc->base.primary->legacy.fb;
>       u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
>       int i;
>  
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index f161f40d8ce4..14fce5c33e03 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -1097,7 +1097,7 @@ static int vop_plane_atomic_async_check(struct 
> drm_plane *plane,
>               crtc_state = drm_atomic_get_existing_crtc_state(state,
>                                                               
> new_plane_state->crtc);
>       else /* Special case for asynchronous cursor updates. */
> -             crtc_state = plane->crtc->state;
> +             crtc_state = plane->legacy.crtc->state;
>  
>       return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
>                                                  min_scale, max_scale,
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index dd718c62ac31..a2d91ee4b40c 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -663,31 +663,33 @@ struct drm_plane {
>       /** @modifier_count: Size of the array pointed at by @modifier_count. */
>       unsigned int modifier_count;
>  
> -     /**
> -      * @crtc:
> -      *
> -      * Currently bound CRTC, only meaningful for non-atomic drivers. For
> -      * atomic drivers this is forced to be NULL, atomic drivers should
> -      * instead check &drm_plane_state.crtc.
> -      */
> -     struct drm_crtc *crtc;
> -
> -     /**
> -      * @fb:
> -      *
> -      * Currently bound framebuffer, only meaningful for non-atomic drivers.
> -      * For atomic drivers this is forced to be NULL, atomic drivers should
> -      * instead check &drm_plane_state.fb.
> -      */
> -     struct drm_framebuffer *fb;
> -
> -     /**
> -      * @old_fb:
> -      *
> -      * Temporary tracking of the old fb while a modeset is ongoing. Only
> -      * used by non-atomic drivers, forced to be NULL for atomic drivers.
> -      */
> -     struct drm_framebuffer *old_fb;
> +     struct {
> +             /**
> +              * @crtc:
> +              *
> +              * Currently bound CRTC, only meaningful for non-atomic 
> drivers. For
> +              * atomic drivers this is forced to be NULL, atomic drivers 
> should
> +              * instead check &drm_plane_state.crtc.
> +              */
> +             struct drm_crtc *crtc;
> +
> +             /**
> +              * @fb:
> +              *
> +              * Currently bound framebuffer, only meaningful for non-atomic 
> drivers.
> +              * For atomic drivers this is forced to be NULL, atomic drivers 
> should
> +              * instead check &drm_plane_state.fb.
> +              */
> +             struct drm_framebuffer *fb;
> +
> +             /**
> +              * @old_fb:
> +              *
> +              * Temporary tracking of the old fb while a modeset is ongoing. 
> Only
> +              * used by non-atomic drivers, forced to be NULL for atomic 
> drivers.
> +              */
> +             struct drm_framebuffer *old_fb;
> +     } legacy;
>  
>       /** @funcs: plane control functions */
>       const struct drm_plane_funcs *funcs;
> -- 
> 2.45.2

-- 
Ville Syrjälä
Intel

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