3 files changed, 17 insertions, 42 deletions

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
index 0e3752437e44..18afc94e4dff 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
@@ -17,6 +17,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
+#include <video/videomode.h>
 
 #include "fsl_dcu_drm_crtc.h"
 #include "fsl_dcu_drm_drv.h"
@@ -85,40 +86,34 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
 	struct drm_connector *con = &fsl_dev->connector.base;
 	struct drm_display_mode *mode = &crtc->state->mode;
-	unsigned int hbp, hfp, hsw, vbp, vfp, vsw, index, pol = 0;
+	unsigned int pol = 0;
+	struct videomode vm;
 
-	index = drm_crtc_index(crtc);
 	clk_set_rate(fsl_dev->pix_clk, mode->clock * 1000);
 
-	/* Configure timings: */
-	hbp = mode->htotal - mode->hsync_end;
-	hfp = mode->hsync_start - mode->hdisplay;
-	hsw = mode->hsync_end - mode->hsync_start;
-	vbp = mode->vtotal - mode->vsync_end;
-	vfp = mode->vsync_start - mode->vdisplay;
-	vsw = mode->vsync_end - mode->vsync_start;
+	drm_display_mode_to_videomode(mode, &vm);
 
 	/* INV_PXCK as default (most display sample data on rising edge) */
 	if (!(con->display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE))
 		pol |= DCU_SYN_POL_INV_PXCK;
 
-	if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+	if (vm.flags & DISPLAY_FLAGS_HSYNC_LOW)
 		pol |= DCU_SYN_POL_INV_HS_LOW;
 
-	if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+	if (vm.flags & DISPLAY_FLAGS_VSYNC_LOW)
 		pol |= DCU_SYN_POL_INV_VS_LOW;
 
 	regmap_write(fsl_dev->regmap, DCU_HSYN_PARA,
-		     DCU_HSYN_PARA_BP(hbp) |
-		     DCU_HSYN_PARA_PW(hsw) |
-		     DCU_HSYN_PARA_FP(hfp));
+		     DCU_HSYN_PARA_BP(vm.hback_porch) |
+		     DCU_HSYN_PARA_PW(vm.hsync_len) |
+		     DCU_HSYN_PARA_FP(vm.hfront_porch));
 	regmap_write(fsl_dev->regmap, DCU_VSYN_PARA,
-		     DCU_VSYN_PARA_BP(vbp) |
-		     DCU_VSYN_PARA_PW(vsw) |
-		     DCU_VSYN_PARA_FP(vfp));
+		     DCU_VSYN_PARA_BP(vm.vback_porch) |
+		     DCU_VSYN_PARA_PW(vm.vsync_len) |
+		     DCU_VSYN_PARA_FP(vm.vfront_porch));
 	regmap_write(fsl_dev->regmap, DCU_DISP_SIZE,
-		     DCU_DISP_SIZE_DELTA_Y(mode->vdisplay) |
-		     DCU_DISP_SIZE_DELTA_X(mode->hdisplay));
+		     DCU_DISP_SIZE_DELTA_Y(vm.vactive) |
+		     DCU_DISP_SIZE_DELTA_X(vm.hactive));
 	regmap_write(fsl_dev->regmap, DCU_SYN_POL, pol);
 	regmap_write(fsl_dev->regmap, DCU_BGND, DCU_BGND_R(0) |
 		     DCU_BGND_G(0) | DCU_BGND_B(0));
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 0496be5212e1..ceddc3e29258 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -26,6 +26,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_modeset_helper.h>
 
@@ -89,20 +90,11 @@ static int fsl_dcu_load(struct drm_device *dev, unsigned long flags)
 			"Invalid legacyfb_depth.  Defaulting to 24bpp\n");
 		legacyfb_depth = 24;
 	}
-	fsl_dev->fbdev = drm_fbdev_cma_init(dev, legacyfb_depth, 1);
-	if (IS_ERR(fsl_dev->fbdev)) {
-		ret = PTR_ERR(fsl_dev->fbdev);
-		fsl_dev->fbdev = NULL;
-		goto done;
-	}
 
 	return 0;
 done:
 	drm_kms_helper_poll_fini(dev);
 
-	if (fsl_dev->fbdev)
-		drm_fbdev_cma_fini(fsl_dev->fbdev);
-
 	drm_mode_config_cleanup(dev);
 	drm_irq_uninstall(dev);
 	dev->dev_private = NULL;
@@ -112,14 +104,9 @@ done:
 
 static void fsl_dcu_unload(struct drm_device *dev)
 {
-	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
-
 	drm_atomic_helper_shutdown(dev);
 	drm_kms_helper_poll_fini(dev);
 
-	if (fsl_dev->fbdev)
-		drm_fbdev_cma_fini(fsl_dev->fbdev);
-
 	drm_mode_config_cleanup(dev);
 	drm_irq_uninstall(dev);
 
@@ -147,19 +134,11 @@ static irqreturn_t fsl_dcu_drm_irq(int irq, void *arg)
 	return IRQ_HANDLED;
 }
 
-static void fsl_dcu_drm_lastclose(struct drm_device *dev)
-{
-	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
-
-	drm_fbdev_cma_restore_mode(fsl_dev->fbdev);
-}
-
 DEFINE_DRM_GEM_CMA_FOPS(fsl_dcu_drm_fops);
 
 static struct drm_driver fsl_dcu_drm_driver = {
 	.driver_features	= DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET
 				| DRIVER_PRIME | DRIVER_ATOMIC,
-	.lastclose		= fsl_dcu_drm_lastclose,
 	.load			= fsl_dcu_load,
 	.unload			= fsl_dcu_unload,
 	.irq_handler		= fsl_dcu_drm_irq,
@@ -355,6 +334,8 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto put;
 
+	drm_fbdev_generic_setup(drm, legacyfb_depth);
+
 	return 0;
 
 put:
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
index 93bfb98012d4..cb87bb74cb87 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
@@ -191,7 +191,6 @@ struct fsl_dcu_drm_device {
 	/*protects hardware register*/
 	spinlock_t irq_lock;
 	struct drm_device *drm;
-	struct drm_fbdev_cma *fbdev;
 	struct drm_crtc crtc;
 	struct drm_encoder encoder;
 	struct fsl_dcu_drm_connector connector;