The drivers have to modify the atomic plane state during the prepare_fb
callback so they track allocations, reservations and dependencies for
this atomic operation involving this fb. In particular, how else do we
set the plane->fence from the framebuffer!

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: dri-devel at lists.freedesktop.org
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 4 ++--
 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c     | 4 ++--
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 4 ++--
 drivers/gpu/drm/i915/intel_display.c            | 4 ++--
 drivers/gpu/drm/i915/intel_drv.h                | 4 ++--
 drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c       | 4 ++--
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c       | 4 ++--
 drivers/gpu/drm/omapdrm/omap_plane.c            | 4 ++--
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c     | 4 ++--
 drivers/gpu/drm/tegra/dc.c                      | 4 ++--
 include/drm/drm_modeset_helper_vtables.h        | 4 ++--
 11 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c 
b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 146809a97a07..72e6b7dd457b 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -755,7 +755,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane 
*p,
 }

 static int atmel_hlcdc_plane_prepare_fb(struct drm_plane *p,
-                                       const struct drm_plane_state *new_state)
+                                       struct drm_plane_state *new_state)
 {
        /*
         * FIXME: we should avoid this const -> non-const cast but it's
@@ -780,7 +780,7 @@ static int atmel_hlcdc_plane_prepare_fb(struct drm_plane *p,
 }

 static void atmel_hlcdc_plane_cleanup_fb(struct drm_plane *p,
-                               const struct drm_plane_state *old_state)
+                                        struct drm_plane_state *old_state)
 {
        /*
         * FIXME: we should avoid this const -> non-const cast but it's
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c 
b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index e50467a0deb0..2a3e92976700 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -171,13 +171,13 @@ static void fsl_dcu_drm_plane_atomic_update(struct 
drm_plane *plane,

 static void
 fsl_dcu_drm_plane_cleanup_fb(struct drm_plane *plane,
-                            const struct drm_plane_state *new_state)
+                            struct drm_plane_state *new_state)
 {
 }

 static int
 fsl_dcu_drm_plane_prepare_fb(struct drm_plane *plane,
-                            const struct drm_plane_state *new_state)
+                            struct drm_plane_state *new_state)
 {
        return 0;
 }
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c 
b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
index 91188f33b1d9..6417158dad61 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
@@ -818,14 +818,14 @@ static void ade_disable_channel(struct ade_plane *aplane)
 }

 static int ade_plane_prepare_fb(struct drm_plane *plane,
-                               const struct drm_plane_state *new_state)
+                               struct drm_plane_state *new_state)
 {
        /* do nothing */
        return 0;
 }

 static void ade_plane_cleanup_fb(struct drm_plane *plane,
-                                const struct drm_plane_state *old_state)
+                                struct drm_plane_state *old_state)
 {
        /* do nothing */
 }
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 8a203b5f347e..123112c240e0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14439,7 +14439,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
  */
 int
 intel_prepare_plane_fb(struct drm_plane *plane,
-                      const struct drm_plane_state *new_state)
+                      struct drm_plane_state *new_state)
 {
        struct drm_device *dev = plane->dev;
        struct drm_framebuffer *fb = new_state->fb;
@@ -14525,7 +14525,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
  */
 void
 intel_cleanup_plane_fb(struct drm_plane *plane,
-                      const struct drm_plane_state *old_state)
+                      struct drm_plane_state *old_state)
 {
        struct drm_device *dev = plane->dev;
        struct intel_plane_state *old_intel_state;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 1c700b0c3cea..774aab342f40 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1251,9 +1251,9 @@ void intel_finish_page_flip_cs(struct drm_i915_private 
*dev_priv, int pipe);
 void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe);
 void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe);
 int intel_prepare_plane_fb(struct drm_plane *plane,
-                          const struct drm_plane_state *new_state);
+                          struct drm_plane_state *new_state);
 void intel_cleanup_plane_fb(struct drm_plane *plane,
-                           const struct drm_plane_state *old_state);
+                           struct drm_plane_state *old_state);
 int intel_plane_atomic_get_property(struct drm_plane *plane,
                                    const struct drm_plane_state *state,
                                    struct drm_property *property,
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c 
b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
index 9f96dfe67769..7c9626d92019 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
@@ -99,7 +99,7 @@ static const struct drm_plane_funcs mdp4_plane_funcs = {
 };

 static int mdp4_plane_prepare_fb(struct drm_plane *plane,
-               const struct drm_plane_state *new_state)
+                                struct drm_plane_state *new_state)
 {
        struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
        struct mdp4_kms *mdp4_kms = get_kms(plane);
@@ -113,7 +113,7 @@ static int mdp4_plane_prepare_fb(struct drm_plane *plane,
 }

 static void mdp4_plane_cleanup_fb(struct drm_plane *plane,
-               const struct drm_plane_state *old_state)
+                                 struct drm_plane_state *old_state)
 {
        struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
        struct mdp4_kms *mdp4_kms = get_kms(plane);
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c 
b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index a02a24e75ba6..ba8f43278a44 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -250,7 +250,7 @@ static const struct drm_plane_funcs mdp5_plane_funcs = {
 };

 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
-               const struct drm_plane_state *new_state)
+                                struct drm_plane_state *new_state)
 {
        struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
        struct mdp5_kms *mdp5_kms = get_kms(plane);
@@ -264,7 +264,7 @@ static int mdp5_plane_prepare_fb(struct drm_plane *plane,
 }

 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
-               const struct drm_plane_state *old_state)
+                                 struct drm_plane_state *old_state)
 {
        struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
        struct mdp5_kms *mdp5_kms = get_kms(plane);
diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c 
b/drivers/gpu/drm/omapdrm/omap_plane.c
index 4c7727e6be7c..66ac8c40db26 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -60,7 +60,7 @@ to_omap_plane_state(struct drm_plane_state *state)
 }

 static int omap_plane_prepare_fb(struct drm_plane *plane,
-                                const struct drm_plane_state *new_state)
+                                struct drm_plane_state *new_state)
 {
        if (!new_state->fb)
                return 0;
@@ -69,7 +69,7 @@ static int omap_plane_prepare_fb(struct drm_plane *plane,
 }

 static void omap_plane_cleanup_fb(struct drm_plane *plane,
-                                 const struct drm_plane_state *old_state)
+                                 struct drm_plane_state *old_state)
 {
        if (old_state->fb)
                omap_framebuffer_unpin(old_state->fb);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 31744fe99b38..b382d4d8d293 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -567,7 +567,7 @@ static void vop_plane_destroy(struct drm_plane *plane)
 }

 static int vop_plane_prepare_fb(struct drm_plane *plane,
-                               const struct drm_plane_state *new_state)
+                               struct drm_plane_state *new_state)
 {
        if (plane->state->fb)
                drm_framebuffer_reference(plane->state->fb);
@@ -576,7 +576,7 @@ static int vop_plane_prepare_fb(struct drm_plane *plane,
 }

 static void vop_plane_cleanup_fb(struct drm_plane *plane,
-                                const struct drm_plane_state *old_state)
+                                struct drm_plane_state *old_state)
 {
        if (old_state->fb)
                drm_framebuffer_unreference(old_state->fb);
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 8495bd01b544..a02730f90861 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -481,13 +481,13 @@ static const struct drm_plane_funcs 
tegra_primary_plane_funcs = {
 };

 static int tegra_plane_prepare_fb(struct drm_plane *plane,
-                                 const struct drm_plane_state *new_state)
+                                 struct drm_plane_state *new_state)
 {
        return 0;
 }

 static void tegra_plane_cleanup_fb(struct drm_plane *plane,
-                                  const struct drm_plane_state *old_fb)
+                                  struct drm_plane_state *old_fb)
 {
 }

diff --git a/include/drm/drm_modeset_helper_vtables.h 
b/include/drm/drm_modeset_helper_vtables.h
index 686feec6b4c8..6c8d3dad66ec 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -855,7 +855,7 @@ struct drm_plane_helper_funcs {
         * everything else must complete successfully.
         */
        int (*prepare_fb)(struct drm_plane *plane,
-                         const struct drm_plane_state *new_state);
+                         struct drm_plane_state *new_state);
        /**
         * @cleanup_fb:
         *
@@ -866,7 +866,7 @@ struct drm_plane_helper_funcs {
         * transitional plane helpers, but it is optional.
         */
        void (*cleanup_fb)(struct drm_plane *plane,
-                          const struct drm_plane_state *old_state);
+                          struct drm_plane_state *old_state);

        /**
         * @atomic_check:
-- 
2.9.3

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