diff mbox series

[U-Boot,RFC,2/4] video: fsl_dcu_fb: add DM_VIDEO support

Message ID 20190610114752.29976-3-igor.opaniuk@gmail.com
State Accepted
Commit be3f1a56bf87bef19ac9e129ab8f20ab960f310e
Delegated to: Anatolij Gustschin
Headers show
Series Convert fsl_dcu_fb to DM_VIDEO | expand

Commit Message

Igor Opaniuk June 10, 2019, 11:47 a.m. UTC
From: Igor Opaniuk <igor.opaniuk@toradex.com>

Extend the driver to build with DM_VIDEO enabled. DTS files
must additionally include 'u-boot,dm-pre-reloc' property in
soc and child nodes to enable driver binding to fsl_dcu_fb device.

Currently display timings aren't obtained from DT.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
---
 board/toradex/colibri_vf/colibri_vf.c |   4 +-
 drivers/video/Kconfig                 |   2 +-
 drivers/video/fsl_dcu_fb.c            | 112 +++++++++++++++++++++-----
 3 files changed, 97 insertions(+), 21 deletions(-)

Comments

Igor Opaniuk July 11, 2019, 2:26 p.m. UTC | #1
+ Oleksandr, Philippe

On Mon, Jun 10, 2019 at 2:47 PM Igor Opaniuk <igor.opaniuk@gmail.com> wrote:
>
> From: Igor Opaniuk <igor.opaniuk@toradex.com>
>
> Extend the driver to build with DM_VIDEO enabled. DTS files
> must additionally include 'u-boot,dm-pre-reloc' property in
> soc and child nodes to enable driver binding to fsl_dcu_fb device.
>
> Currently display timings aren't obtained from DT.
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
> ---
>  board/toradex/colibri_vf/colibri_vf.c |   4 +-
>  drivers/video/Kconfig                 |   2 +-
>  drivers/video/fsl_dcu_fb.c            | 112 +++++++++++++++++++++-----
>  3 files changed, 97 insertions(+), 21 deletions(-)
>
> diff --git a/board/toradex/colibri_vf/colibri_vf.c b/board/toradex/colibri_vf/colibri_vf.c
> index 9d63fbf3bd..dad754b31f 100644
> --- a/board/toradex/colibri_vf/colibri_vf.c
> +++ b/board/toradex/colibri_vf/colibri_vf.c
> @@ -430,7 +430,9 @@ int checkboard(void)
>  #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
>  int ft_board_setup(void *blob, bd_t *bd)
>  {
> +#ifndef CONFIG_DM_VIDEO
>         int ret = 0;
> +#endif
>  #ifdef CONFIG_FDT_FIXUP_PARTITIONS
>         static const struct node_info nodes[] = {
>                 { "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
> @@ -440,7 +442,7 @@ int ft_board_setup(void *blob, bd_t *bd)
>         puts("   Updating MTD partitions...\n");
>         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
>  #endif
> -#ifdef CONFIG_VIDEO_FSL_DCU_FB
> +#if defined(CONFIG_VIDEO_FSL_DCU_FB) && !defined(CONFIG_DM_VIDEO)
>         ret = fsl_dcu_fixedfb_setup(blob);
>         if (ret)
>                 return ret;
> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
> index c3781b160d..261fa98517 100644
> --- a/drivers/video/Kconfig
> +++ b/drivers/video/Kconfig
> @@ -484,7 +484,7 @@ config VIDEO_IVYBRIDGE_IGD
>
>  config VIDEO_FSL_DCU_FB
>         bool "Enable Freescale Display Control Unit"
> -       depends on VIDEO
> +       depends on VIDEO || DM_VIDEO
>         help
>          This enables support for Freescale Display Control Unit (DCU4)
>          module found on Freescale Vybrid and QorIQ family of SoCs.
> diff --git a/drivers/video/fsl_dcu_fb.c b/drivers/video/fsl_dcu_fb.c
> index f789ec597d..add64b85b5 100644
> --- a/drivers/video/fsl_dcu_fb.c
> +++ b/drivers/video/fsl_dcu_fb.c
> @@ -8,10 +8,12 @@
>
>  #include <asm/io.h>
>  #include <common.h>
> +#include <dm.h>
>  #include <fdt_support.h>
>  #include <fsl_dcu_fb.h>
>  #include <linux/fb.h>
>  #include <malloc.h>
> +#include <video.h>
>  #include <video_fb.h>
>  #include "videomodes.h"
>
> @@ -219,8 +221,6 @@ struct dcu_reg {
>         u32 ctrldescl[DCU_LAYER_MAX_NUM][16];
>  };
>
> -static struct fb_info info;
> -
>  static void reset_total_layers(void)
>  {
>         struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
> @@ -302,7 +302,11 @@ int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
>  {
>         struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
>         unsigned int div, mode;
> -
> +/*
> + * When DM_VIDEO is enabled reservation of framebuffer is done
> + * in advance during bind() call.
> + */
> +#if !CONFIG_IS_ENABLED(DM_VIDEO)
>         fbinfo->screen_size = fbinfo->var.xres * fbinfo->var.yres *
>                              (fbinfo->var.bits_per_pixel / 8);
>
> @@ -310,13 +314,13 @@ int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
>                 fbinfo->screen_size = 0;
>                 return -ENOMEM;
>         }
> -
>         /* Reserve framebuffer at the end of memory */
>         gd->fb_base = gd->bd->bi_dram[0].start +
>                         gd->bd->bi_dram[0].size - fbinfo->screen_size;
>         fbinfo->screen_base = (char *)gd->fb_base;
>
>         memset(fbinfo->screen_base, 0, fbinfo->screen_size);
> +#endif
>
>         reset_total_layers();
>
> @@ -429,6 +433,32 @@ int fsl_probe_common(struct fb_info *fbinfo, unsigned int *win_x,
>                                  options + 8, fsl_dcu_mode_db);
>  }
>
> +#ifndef CONFIG_DM_VIDEO
> +static struct fb_info info;
> +
> +#if defined(CONFIG_OF_BOARD_SETUP)
> +int fsl_dcu_fixedfb_setup(void *blob)
> +{
> +       u64 start, size;
> +       int ret;
> +
> +       start = gd->bd->bi_dram[0].start;
> +       size = gd->bd->bi_dram[0].size - info.screen_size;
> +
> +       /*
> +        * Align size on section size (1 MiB).
> +        */
> +       size &= 0xfff00000;
> +       ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
> +       if (ret) {
> +               eprintf("Cannot setup fb: Error reserving memory\n");
> +               return ret;
> +       }
> +
> +       return 0;
> +}
> +#endif
> +
>  void *video_hw_init(void)
>  {
>         static GraphicDevice ctfb;
> @@ -448,25 +478,69 @@ void *video_hw_init(void)
>         return &ctfb;
>  }
>
> -#if defined(CONFIG_OF_BOARD_SETUP)
> -int fsl_dcu_fixedfb_setup(void *blob)
> +#else /* ifndef CONFIG_DM_VIDEO */
> +
> +static int fsl_dcu_video_probe(struct udevice *dev)
>  {
> -       u64 start, size;
> -       int ret;
> +       struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
> +       struct video_priv *uc_priv = dev_get_uclass_priv(dev);
> +       struct fb_info fbinfo = { 0 };
> +       unsigned int win_x;
> +       unsigned int win_y;
> +       u32 fb_start, fb_end;
> +       int ret = 0;
> +
> +       fb_start = plat->base & ~(MMU_SECTION_SIZE - 1);
> +       fb_end = plat->base + plat->size;
> +       fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
> +
> +       fbinfo.screen_base = (char *)fb_start;
> +       fbinfo.screen_size = plat->size;
> +
> +       ret = fsl_probe_common(&fbinfo, &win_x, &win_y);
> +       if (ret < 0)
> +               return ret;
>
> -       start = gd->bd->bi_dram[0].start;
> -       size = gd->bd->bi_dram[0].size - info.screen_size;
> +       uc_priv->bpix = VIDEO_BPP32;
> +       uc_priv->xsize = win_x;
> +       uc_priv->ysize = win_y;
>
> -       /*
> -        * Align size on section size (1 MiB).
> -        */
> -       size &= 0xfff00000;
> -       ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
> -       if (ret) {
> -               eprintf("Cannot setup fb: Error reserving memory\n");
> +       /* Enable dcache for the frame buffer */
> +       mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
> +                                       DCACHE_WRITEBACK);
> +       video_set_flush_dcache(dev, true);
> +       return ret;
> +}
> +
> +static int fsl_dcu_video_bind(struct udevice *dev)
> +{
> +       struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
> +       unsigned int win_x;
> +       unsigned int win_y;
> +       unsigned int depth = 0, freq = 0;
> +       const char *options;
> +       int ret = 0;
> +
> +       ret = video_get_video_mode(&win_x, &win_y, &depth, &freq, &options);
> +       if (ret < 0)
>                 return ret;
> -       }
> +
> +       plat->size = win_x * win_y * 32;
>
>         return 0;
>  }
> -#endif
> +
> +static const struct udevice_id fsl_dcu_video_ids[] = {
> +       { .compatible = "fsl,vf610-dcu" },
> +       { /* sentinel */ }
> +};
> +
> +U_BOOT_DRIVER(fsl_dcu_video) = {
> +       .name   = "fsl_dcu_video",
> +       .id     = UCLASS_VIDEO,
> +       .of_match = fsl_dcu_video_ids,
> +       .bind   = fsl_dcu_video_bind,
> +       .probe  = fsl_dcu_video_probe,
> +       .flags  = DM_FLAG_PRE_RELOC,
> +};
> +#endif /* ifndef CONFIG_DM_VIDEO */
> --
> 2.17.1
>
Oleksandr Suvorov July 12, 2019, 1:32 p.m. UTC | #2
On Thu, 11 Jul 2019 at 17:27, Igor Opaniuk <igor.opaniuk@gmail.com> wrote:
>
> + Oleksandr, Philippe
>
> On Mon, Jun 10, 2019 at 2:47 PM Igor Opaniuk <igor.opaniuk@gmail.com> wrote:
> >
> > From: Igor Opaniuk <igor.opaniuk@toradex.com>
> >
> > Extend the driver to build with DM_VIDEO enabled. DTS files
> > must additionally include 'u-boot,dm-pre-reloc' property in
> > soc and child nodes to enable driver binding to fsl_dcu_fb device.
> >
> > Currently display timings aren't obtained from DT.
> >
> > Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>

> > ---
> >  board/toradex/colibri_vf/colibri_vf.c |   4 +-
> >  drivers/video/Kconfig                 |   2 +-
> >  drivers/video/fsl_dcu_fb.c            | 112 +++++++++++++++++++++-----
> >  3 files changed, 97 insertions(+), 21 deletions(-)
> >
> > diff --git a/board/toradex/colibri_vf/colibri_vf.c b/board/toradex/colibri_vf/colibri_vf.c
> > index 9d63fbf3bd..dad754b31f 100644
> > --- a/board/toradex/colibri_vf/colibri_vf.c
> > +++ b/board/toradex/colibri_vf/colibri_vf.c
> > @@ -430,7 +430,9 @@ int checkboard(void)
> >  #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
> >  int ft_board_setup(void *blob, bd_t *bd)
> >  {
> > +#ifndef CONFIG_DM_VIDEO
> >         int ret = 0;
> > +#endif
> >  #ifdef CONFIG_FDT_FIXUP_PARTITIONS
> >         static const struct node_info nodes[] = {
> >                 { "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
> > @@ -440,7 +442,7 @@ int ft_board_setup(void *blob, bd_t *bd)
> >         puts("   Updating MTD partitions...\n");
> >         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
> >  #endif
> > -#ifdef CONFIG_VIDEO_FSL_DCU_FB
> > +#if defined(CONFIG_VIDEO_FSL_DCU_FB) && !defined(CONFIG_DM_VIDEO)
> >         ret = fsl_dcu_fixedfb_setup(blob);
> >         if (ret)
> >                 return ret;
> > diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
> > index c3781b160d..261fa98517 100644
> > --- a/drivers/video/Kconfig
> > +++ b/drivers/video/Kconfig
> > @@ -484,7 +484,7 @@ config VIDEO_IVYBRIDGE_IGD
> >
> >  config VIDEO_FSL_DCU_FB
> >         bool "Enable Freescale Display Control Unit"
> > -       depends on VIDEO
> > +       depends on VIDEO || DM_VIDEO
> >         help
> >          This enables support for Freescale Display Control Unit (DCU4)
> >          module found on Freescale Vybrid and QorIQ family of SoCs.
> > diff --git a/drivers/video/fsl_dcu_fb.c b/drivers/video/fsl_dcu_fb.c
> > index f789ec597d..add64b85b5 100644
> > --- a/drivers/video/fsl_dcu_fb.c
> > +++ b/drivers/video/fsl_dcu_fb.c
> > @@ -8,10 +8,12 @@
> >
> >  #include <asm/io.h>
> >  #include <common.h>
> > +#include <dm.h>
> >  #include <fdt_support.h>
> >  #include <fsl_dcu_fb.h>
> >  #include <linux/fb.h>
> >  #include <malloc.h>
> > +#include <video.h>
> >  #include <video_fb.h>
> >  #include "videomodes.h"
> >
> > @@ -219,8 +221,6 @@ struct dcu_reg {
> >         u32 ctrldescl[DCU_LAYER_MAX_NUM][16];
> >  };
> >
> > -static struct fb_info info;
> > -
> >  static void reset_total_layers(void)
> >  {
> >         struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
> > @@ -302,7 +302,11 @@ int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
> >  {
> >         struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
> >         unsigned int div, mode;
> > -
> > +/*
> > + * When DM_VIDEO is enabled reservation of framebuffer is done
> > + * in advance during bind() call.
> > + */
> > +#if !CONFIG_IS_ENABLED(DM_VIDEO)
> >         fbinfo->screen_size = fbinfo->var.xres * fbinfo->var.yres *
> >                              (fbinfo->var.bits_per_pixel / 8);
> >
> > @@ -310,13 +314,13 @@ int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
> >                 fbinfo->screen_size = 0;
> >                 return -ENOMEM;
> >         }
> > -
> >         /* Reserve framebuffer at the end of memory */
> >         gd->fb_base = gd->bd->bi_dram[0].start +
> >                         gd->bd->bi_dram[0].size - fbinfo->screen_size;
> >         fbinfo->screen_base = (char *)gd->fb_base;
> >
> >         memset(fbinfo->screen_base, 0, fbinfo->screen_size);
> > +#endif
> >
> >         reset_total_layers();
> >
> > @@ -429,6 +433,32 @@ int fsl_probe_common(struct fb_info *fbinfo, unsigned int *win_x,
> >                                  options + 8, fsl_dcu_mode_db);
> >  }
> >
> > +#ifndef CONFIG_DM_VIDEO
> > +static struct fb_info info;
> > +
> > +#if defined(CONFIG_OF_BOARD_SETUP)
> > +int fsl_dcu_fixedfb_setup(void *blob)
> > +{
> > +       u64 start, size;
> > +       int ret;
> > +
> > +       start = gd->bd->bi_dram[0].start;
> > +       size = gd->bd->bi_dram[0].size - info.screen_size;
> > +
> > +       /*
> > +        * Align size on section size (1 MiB).
> > +        */
> > +       size &= 0xfff00000;
> > +       ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
> > +       if (ret) {
> > +               eprintf("Cannot setup fb: Error reserving memory\n");
> > +               return ret;
> > +       }
> > +
> > +       return 0;
> > +}
> > +#endif
> > +
> >  void *video_hw_init(void)
> >  {
> >         static GraphicDevice ctfb;
> > @@ -448,25 +478,69 @@ void *video_hw_init(void)
> >         return &ctfb;
> >  }
> >
> > -#if defined(CONFIG_OF_BOARD_SETUP)
> > -int fsl_dcu_fixedfb_setup(void *blob)
> > +#else /* ifndef CONFIG_DM_VIDEO */
> > +
> > +static int fsl_dcu_video_probe(struct udevice *dev)
> >  {
> > -       u64 start, size;
> > -       int ret;
> > +       struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
> > +       struct video_priv *uc_priv = dev_get_uclass_priv(dev);
> > +       struct fb_info fbinfo = { 0 };
> > +       unsigned int win_x;
> > +       unsigned int win_y;
> > +       u32 fb_start, fb_end;
> > +       int ret = 0;
> > +
> > +       fb_start = plat->base & ~(MMU_SECTION_SIZE - 1);
> > +       fb_end = plat->base + plat->size;
> > +       fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
> > +
> > +       fbinfo.screen_base = (char *)fb_start;
> > +       fbinfo.screen_size = plat->size;
> > +
> > +       ret = fsl_probe_common(&fbinfo, &win_x, &win_y);
> > +       if (ret < 0)
> > +               return ret;
> >
> > -       start = gd->bd->bi_dram[0].start;
> > -       size = gd->bd->bi_dram[0].size - info.screen_size;
> > +       uc_priv->bpix = VIDEO_BPP32;
> > +       uc_priv->xsize = win_x;
> > +       uc_priv->ysize = win_y;
> >
> > -       /*
> > -        * Align size on section size (1 MiB).
> > -        */
> > -       size &= 0xfff00000;
> > -       ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
> > -       if (ret) {
> > -               eprintf("Cannot setup fb: Error reserving memory\n");
> > +       /* Enable dcache for the frame buffer */
> > +       mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
> > +                                       DCACHE_WRITEBACK);
> > +       video_set_flush_dcache(dev, true);
> > +       return ret;
> > +}
> > +
> > +static int fsl_dcu_video_bind(struct udevice *dev)
> > +{
> > +       struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
> > +       unsigned int win_x;
> > +       unsigned int win_y;
> > +       unsigned int depth = 0, freq = 0;
> > +       const char *options;
> > +       int ret = 0;
> > +
> > +       ret = video_get_video_mode(&win_x, &win_y, &depth, &freq, &options);
> > +       if (ret < 0)
> >                 return ret;
> > -       }
> > +
> > +       plat->size = win_x * win_y * 32;
> >
> >         return 0;
> >  }
> > -#endif
> > +
> > +static const struct udevice_id fsl_dcu_video_ids[] = {
> > +       { .compatible = "fsl,vf610-dcu" },
> > +       { /* sentinel */ }
> > +};
> > +
> > +U_BOOT_DRIVER(fsl_dcu_video) = {
> > +       .name   = "fsl_dcu_video",
> > +       .id     = UCLASS_VIDEO,
> > +       .of_match = fsl_dcu_video_ids,
> > +       .bind   = fsl_dcu_video_bind,
> > +       .probe  = fsl_dcu_video_probe,
> > +       .flags  = DM_FLAG_PRE_RELOC,
> > +};
> > +#endif /* ifndef CONFIG_DM_VIDEO */
> > --
> > 2.17.1
> >
>
>
> --
> Best regards - Freundliche GrĂ¼sse - Meilleures salutations
>
> Igor Opaniuk
>
> mailto: igor.opaniuk@gmail.com
> skype: igor.opanyuk
> +380 (93) 836 40 67
> http://ua.linkedin.com/in/iopaniuk
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> https://lists.denx.de/listinfo/u-boot
diff mbox series

Patch

diff --git a/board/toradex/colibri_vf/colibri_vf.c b/board/toradex/colibri_vf/colibri_vf.c
index 9d63fbf3bd..dad754b31f 100644
--- a/board/toradex/colibri_vf/colibri_vf.c
+++ b/board/toradex/colibri_vf/colibri_vf.c
@@ -430,7 +430,9 @@  int checkboard(void)
 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 int ft_board_setup(void *blob, bd_t *bd)
 {
+#ifndef CONFIG_DM_VIDEO
 	int ret = 0;
+#endif
 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 	static const struct node_info nodes[] = {
 		{ "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
@@ -440,7 +442,7 @@  int ft_board_setup(void *blob, bd_t *bd)
 	puts("   Updating MTD partitions...\n");
 	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 #endif
-#ifdef CONFIG_VIDEO_FSL_DCU_FB
+#if defined(CONFIG_VIDEO_FSL_DCU_FB) && !defined(CONFIG_DM_VIDEO)
 	ret = fsl_dcu_fixedfb_setup(blob);
 	if (ret)
 		return ret;
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index c3781b160d..261fa98517 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -484,7 +484,7 @@  config VIDEO_IVYBRIDGE_IGD
 
 config VIDEO_FSL_DCU_FB
 	bool "Enable Freescale Display Control Unit"
-	depends on VIDEO
+	depends on VIDEO || DM_VIDEO
 	help
 	 This enables support for Freescale Display Control Unit (DCU4)
 	 module found on Freescale Vybrid and QorIQ family of SoCs.
diff --git a/drivers/video/fsl_dcu_fb.c b/drivers/video/fsl_dcu_fb.c
index f789ec597d..add64b85b5 100644
--- a/drivers/video/fsl_dcu_fb.c
+++ b/drivers/video/fsl_dcu_fb.c
@@ -8,10 +8,12 @@ 
 
 #include <asm/io.h>
 #include <common.h>
+#include <dm.h>
 #include <fdt_support.h>
 #include <fsl_dcu_fb.h>
 #include <linux/fb.h>
 #include <malloc.h>
+#include <video.h>
 #include <video_fb.h>
 #include "videomodes.h"
 
@@ -219,8 +221,6 @@  struct dcu_reg {
 	u32 ctrldescl[DCU_LAYER_MAX_NUM][16];
 };
 
-static struct fb_info info;
-
 static void reset_total_layers(void)
 {
 	struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
@@ -302,7 +302,11 @@  int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
 {
 	struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
 	unsigned int div, mode;
-
+/*
+ * When DM_VIDEO is enabled reservation of framebuffer is done
+ * in advance during bind() call.
+ */
+#if !CONFIG_IS_ENABLED(DM_VIDEO)
 	fbinfo->screen_size = fbinfo->var.xres * fbinfo->var.yres *
 			     (fbinfo->var.bits_per_pixel / 8);
 
@@ -310,13 +314,13 @@  int fsl_dcu_init(struct fb_info *fbinfo, unsigned int xres,
 		fbinfo->screen_size = 0;
 		return -ENOMEM;
 	}
-
 	/* Reserve framebuffer at the end of memory */
 	gd->fb_base = gd->bd->bi_dram[0].start +
 			gd->bd->bi_dram[0].size - fbinfo->screen_size;
 	fbinfo->screen_base = (char *)gd->fb_base;
 
 	memset(fbinfo->screen_base, 0, fbinfo->screen_size);
+#endif
 
 	reset_total_layers();
 
@@ -429,6 +433,32 @@  int fsl_probe_common(struct fb_info *fbinfo, unsigned int *win_x,
 				 options + 8, fsl_dcu_mode_db);
 }
 
+#ifndef CONFIG_DM_VIDEO
+static struct fb_info info;
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+int fsl_dcu_fixedfb_setup(void *blob)
+{
+	u64 start, size;
+	int ret;
+
+	start = gd->bd->bi_dram[0].start;
+	size = gd->bd->bi_dram[0].size - info.screen_size;
+
+	/*
+	 * Align size on section size (1 MiB).
+	 */
+	size &= 0xfff00000;
+	ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
+	if (ret) {
+		eprintf("Cannot setup fb: Error reserving memory\n");
+		return ret;
+	}
+
+	return 0;
+}
+#endif
+
 void *video_hw_init(void)
 {
 	static GraphicDevice ctfb;
@@ -448,25 +478,69 @@  void *video_hw_init(void)
 	return &ctfb;
 }
 
-#if defined(CONFIG_OF_BOARD_SETUP)
-int fsl_dcu_fixedfb_setup(void *blob)
+#else /* ifndef CONFIG_DM_VIDEO */
+
+static int fsl_dcu_video_probe(struct udevice *dev)
 {
-	u64 start, size;
-	int ret;
+	struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
+	struct video_priv *uc_priv = dev_get_uclass_priv(dev);
+	struct fb_info fbinfo = { 0 };
+	unsigned int win_x;
+	unsigned int win_y;
+	u32 fb_start, fb_end;
+	int ret = 0;
+
+	fb_start = plat->base & ~(MMU_SECTION_SIZE - 1);
+	fb_end = plat->base + plat->size;
+	fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
+
+	fbinfo.screen_base = (char *)fb_start;
+	fbinfo.screen_size = plat->size;
+
+	ret = fsl_probe_common(&fbinfo, &win_x, &win_y);
+	if (ret < 0)
+		return ret;
 
-	start = gd->bd->bi_dram[0].start;
-	size = gd->bd->bi_dram[0].size - info.screen_size;
+	uc_priv->bpix = VIDEO_BPP32;
+	uc_priv->xsize = win_x;
+	uc_priv->ysize = win_y;
 
-	/*
-	 * Align size on section size (1 MiB).
-	 */
-	size &= 0xfff00000;
-	ret = fdt_fixup_memory_banks(blob, &start, &size, 1);
-	if (ret) {
-		eprintf("Cannot setup fb: Error reserving memory\n");
+	/* Enable dcache for the frame buffer */
+	mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
+					DCACHE_WRITEBACK);
+	video_set_flush_dcache(dev, true);
+	return ret;
+}
+
+static int fsl_dcu_video_bind(struct udevice *dev)
+{
+	struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
+	unsigned int win_x;
+	unsigned int win_y;
+	unsigned int depth = 0, freq = 0;
+	const char *options;
+	int ret = 0;
+
+	ret = video_get_video_mode(&win_x, &win_y, &depth, &freq, &options);
+	if (ret < 0)
 		return ret;
-	}
+
+	plat->size = win_x * win_y * 32;
 
 	return 0;
 }
-#endif
+
+static const struct udevice_id fsl_dcu_video_ids[] = {
+	{ .compatible = "fsl,vf610-dcu" },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(fsl_dcu_video) = {
+	.name	= "fsl_dcu_video",
+	.id	= UCLASS_VIDEO,
+	.of_match = fsl_dcu_video_ids,
+	.bind	= fsl_dcu_video_bind,
+	.probe	= fsl_dcu_video_probe,
+	.flags	= DM_FLAG_PRE_RELOC,
+};
+#endif /* ifndef CONFIG_DM_VIDEO */