drm/radeon: Move GEM BO to drm_framebuffer

Since drm_framebuffer can now store GEM objects directly, place them
there rather than in our own subclass. As this makes the framebuffer
create_handle and destroy functions the same as the GEM framebuffer
helper, we can reuse those.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Stone <daniels@collabora.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: David (ChunMing) Zhou <David1.Zhou@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

6 files changed, 22 insertions, 43 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 02baaaf20e9d..028a811c1462 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1176,7 +1176,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
         /* If atomic, assume fb object is pinned & idle & fenced and
          * just update base pointers
          */
-        obj = radeon_fb->obj;
+        obj = radeon_fb->base.obj[0];
         rbo = gem_to_radeon_bo(obj);
         r = radeon_bo_reserve(rbo, false);
         if (unlikely(r != 0))
@@ -1442,7 +1442,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 
         if (!atomic && fb && fb != crtc->primary->fb) {
                 radeon_fb = to_radeon_framebuffer(fb);
-                rbo = gem_to_radeon_bo(radeon_fb->obj);
+                rbo = gem_to_radeon_bo(radeon_fb->base.obj[0]);
                 r = radeon_bo_reserve(rbo, false);
                 if (unlikely(r != 0))
                         return r;
@@ -1490,7 +1490,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
                 target_fb = crtc->primary->fb;
         }
 
-        obj = radeon_fb->obj;
+        obj = radeon_fb->base.obj[0];
         rbo = gem_to_radeon_bo(obj);
         r = radeon_bo_reserve(rbo, false);
         if (unlikely(r != 0))
@@ -1642,7 +1642,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
 
         if (!atomic && fb && fb != crtc->primary->fb) {
                 radeon_fb = to_radeon_framebuffer(fb);
-                rbo = gem_to_radeon_bo(radeon_fb->obj);
+                rbo = gem_to_radeon_bo(radeon_fb->base.obj[0]);
                 r = radeon_bo_reserve(rbo, false);
                 if (unlikely(r != 0))
                         return r;
@@ -2153,7 +2153,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
                 struct radeon_bo *rbo;
 
                 radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
-                rbo = gem_to_radeon_bo(radeon_fb->obj);
+                rbo = gem_to_radeon_bo(radeon_fb->base.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/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e415d2c097a7..30c5bc20a60b 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1599,10 +1599,10 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend,
                         }
                 }
 
-                if (rfb == NULL || rfb->obj == NULL) {
+                if (rfb == NULL || rfb->base.obj[0] == NULL) {
                         continue;
                 }
-                robj = gem_to_radeon_bo(rfb->obj);
+                robj = gem_to_radeon_bo(rfb->base.obj[0]);
                 /* don't unpin kernel fb objects */
                 if (!radeon_fbdev_robj_is_fb(rdev, robj)) {
                         r = radeon_bo_reserve(robj, false);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 26129b2b082d..dc300128283d 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -32,6 +32,7 @@
 
 #include <linux/pm_runtime.h>
 #include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_edid.h>
@@ -502,14 +503,14 @@ static int radeon_crtc_page_flip_target(struct drm_crtc *crtc,
 
         /* schedule unpin of the old buffer */
         old_radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
-        obj = old_radeon_fb->obj;
+        obj = old_radeon_fb->base.obj[0];
 
         /* take a reference to the old object */
         drm_gem_object_get(obj);
         work->old_rbo = gem_to_radeon_bo(obj);
 
         new_radeon_fb = to_radeon_framebuffer(fb);
-        obj = new_radeon_fb->obj;
+        obj = new_radeon_fb->base.obj[0];
         new_rbo = gem_to_radeon_bo(obj);
 
         /* pin the new buffer */
@@ -1285,27 +1286,9 @@ void radeon_compute_pll_legacy(struct radeon_pll *pll,
 
 }
 
-static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
-        struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
-
-        drm_gem_object_put_unlocked(radeon_fb->obj);
-        drm_framebuffer_cleanup(fb);
-        kfree(radeon_fb);
-}
-
-static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-                                                  struct drm_file *file_priv,
-                                                  unsigned int *handle)
-{
-        struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
-
-        return drm_gem_handle_create(file_priv, radeon_fb->obj, handle);
-}
-
 static const struct drm_framebuffer_funcs radeon_fb_funcs = {
-        .destroy = radeon_user_framebuffer_destroy,
-        .create_handle = radeon_user_framebuffer_create_handle,
+        .destroy = drm_gem_fb_destroy,
+        .create_handle = drm_gem_fb_create_handle,
 };
 
 int
@@ -1315,11 +1298,11 @@ radeon_framebuffer_init(struct drm_device *dev,
                         struct drm_gem_object *obj)
 {
         int ret;
-        rfb->obj = obj;
+        rfb->base.obj[0] = obj;
         drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
         ret = drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
         if (ret) {
-                rfb->obj = NULL;
+                rfb->base.obj[0] = NULL;
                 return ret;
         }
         return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 57c5404a1654..6cd99f6a4305 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -312,9 +312,9 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 
         drm_fb_helper_unregister_fbi(&rfbdev->helper);
 
-        if (rfb->obj) {
-                radeonfb_destroy_pinned_object(rfb->obj);
-                rfb->obj = NULL;
+        if (rfb->base.obj[0]) {
+                radeonfb_destroy_pinned_object(rfb->base.obj[0]);
+                rfb->base.obj[0] = NULL;
                 drm_framebuffer_unregister_private(&rfb->base);
                 drm_framebuffer_cleanup(&rfb->base);
         }
@@ -400,7 +400,7 @@ bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
         if (!rdev->mode_info.rfbdev)
                 return false;
 
-        if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj))
+        if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.base.obj[0]))
                 return true;
         return false;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 1f1856e0b1e0..50b3f556845a 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -423,7 +423,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
         }
 
         /* Pin framebuffer & get tilling informations */
-        obj = radeon_fb->obj;
+        obj = radeon_fb->base.obj[0];
         rbo = gem_to_radeon_bo(obj);
 retry:
         r = radeon_bo_reserve(rbo, false);
@@ -451,7 +451,7 @@ retry:
                         struct radeon_bo *old_rbo;
                         unsigned long nsize, osize;
 
-                        old_rbo = gem_to_radeon_bo(to_radeon_framebuffer(fb)->obj);
+                        old_rbo = gem_to_radeon_bo(fb->obj[0]);
                         osize = radeon_bo_size(old_rbo);
                         nsize = radeon_bo_size(rbo);
                         if (nsize <= osize && !radeon_bo_reserve(old_rbo, false)) {
@@ -558,8 +558,7 @@ retry:
         WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
 
         if (!atomic && fb && fb != crtc->primary->fb) {
-                radeon_fb = to_radeon_framebuffer(fb);
-                rbo = gem_to_radeon_bo(radeon_fb->obj);
+                rbo = gem_to_radeon_bo(fb->obj[0]);
                 r = radeon_bo_reserve(rbo, false);
                 if (unlikely(r != 0))
                         return r;
@@ -1093,11 +1092,9 @@ static void radeon_crtc_disable(struct drm_crtc *crtc)
         radeon_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
         if (crtc->primary->fb) {
                 int r;
-                struct radeon_framebuffer *radeon_fb;
                 struct radeon_bo *rbo;
 
-                radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
-                rbo = gem_to_radeon_bo(radeon_fb->obj);
+                rbo = gem_to_radeon_bo(crtc->primary->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/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 3243e5e01432..cd93c80332f7 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -576,7 +576,6 @@ struct radeon_connector {
 
 struct radeon_framebuffer {
         struct drm_framebuffer base;
-        struct drm_gem_object *obj;
 };
 
 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \