drm/amdgpu: Use drm_fb_helper_lastclose() and _poll_changed()

This driver can use drm_fb_helper_lastclose() in its .lastclose function.
It can also use drm_fb_helper_output_poll_changed() as its
.output_poll_changed callback.
Remove the unused driver implementations.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 27 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 90fa8e8bc6fb..ff3e9beb7d19 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -283,12 +283,6 @@ out:
         return ret;
 }
 
-void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev)
-{
-        if (adev->mode_info.rfbdev)
-                drm_fb_helper_hotplug_event(&adev->mode_info.rfbdev->helper);
-}
-
 static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev)
 {
         struct amdgpu_framebuffer *rfb = &rfbdev->rfb;
@@ -393,24 +387,3 @@ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj)
                 return true;
         return false;
 }
-
-void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev)
-{
-        struct amdgpu_fbdev *afbdev;
-        struct drm_fb_helper *fb_helper;
-        int ret;
-
-        if (!adev)
-                return;
-
-        afbdev = adev->mode_info.rfbdev;
-
-        if (!afbdev)
-                return;
-
-        fb_helper = &afbdev->helper;
-
-        ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
-        if (ret)
-                DRM_DEBUG("failed to restore crtc mode\n");
-}