drm/tilcdc: Remove unnecessary pm_runtime_get() and *_put() calls

Remove unnecessary pm_runtime_get() and *_put() calls from commit
phase callbacks. Those calls are not needed since we have the whole
commit phase between pm_runtime_get_sync() and pm_runtime_put_sync().
Signed-off-by: Jyri Sarha <jsarha@ti.com>

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

@@ -243,8 +243,6 @@ int tilcdc_crtc_page_flip(struct drm_crtc *crtc,
 
 	crtc->primary->fb = fb;
 
-	pm_runtime_get_sync(dev->dev);
-
 	spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
 
 	if (crtc->hwmode.vrefresh && ktime_to_ns(tilcdc_crtc->last_vblank)) {
@@ -267,8 +265,6 @@ int tilcdc_crtc_page_flip(struct drm_crtc *crtc,
 
 	spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
 
-	pm_runtime_put_sync(dev->dev);
-
 	return 0;
 }
 
@@ -317,8 +313,6 @@ static void tilcdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	if (WARN_ON(!fb))
 		return;
 
-	pm_runtime_get_sync(dev->dev);
-
 	/* Configure the Burst Size and fifo threshold of DMA: */
 	reg = tilcdc_read(dev, LCDC_DMA_CTRL_REG) & ~0x00000770;
 	switch (info->dma_burst_sz) {
@@ -467,8 +461,6 @@ static void tilcdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
 
 	tilcdc_crtc_update_clk(crtc);
 
-	pm_runtime_put_sync(dev->dev);
-
 	crtc->hwmode = crtc->state->adjusted_mode;
 }