drm/armada: clean up armada_drm_crtc_page_flip()
drm_mode_page_flip_ioctl() already takes care of checking the framebuffer format, and also assigns primary->fb after a successful call to this handler. These are both redundant, and can be removed. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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@ -1039,10 +1039,6 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc,
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unsigned i;
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int ret;
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/* We don't support changing the pixel format */
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if (fb->format != crtc->primary->fb->format)
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return -EINVAL;
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work = armada_drm_crtc_alloc_plane_work(dcrtc->crtc.primary);
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if (!work)
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return -ENOMEM;
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@ -1068,14 +1064,6 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc,
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return ret;
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}
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/*
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* Don't take a reference on the new framebuffer;
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* drm_mode_page_flip_ioctl() has already grabbed a reference and
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* will _not_ drop that reference on successful return from this
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* function. Simply mark this new framebuffer as the current one.
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*/
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dcrtc->crtc.primary->fb = fb;
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/*
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* Finally, if the display is blanked, we won't receive an
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* interrupt, so complete it now.
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