[PATCH 09/22] drm/kmb: Use GEM DMA fbdev emulation

Chrisanthus, Anitha anitha.chrisanthus at intel.com
Mon Mar 6 09:18:50 PST 2023


Acked-by: Anitha Chrisanthus <anitha.chrisanthus at intel.com>

> -----Original Message-----
> From: Thomas Zimmermann <tzimmermann at suse.de>
> Sent: Wednesday, March 1, 2023 7:31 AM
> To: javierm at redhat.com; maarten.lankhorst at linux.intel.com;
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> Chrisanthus, Anitha <anitha.chrisanthus at intel.com>;
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> Cc: dri-devel at lists.freedesktop.org; linux-aspeed at lists.ozlabs.org; linux-arm-
> kernel at lists.infradead.org; linux-amlogic at lists.infradead.org; linux-
> stm32 at st-md-mailman.stormreply.com; linux-sunxi at lists.linux.dev; Thomas
> Zimmermann <tzimmermann at suse.de>
> Subject: [PATCH 09/22] drm/kmb: Use GEM DMA fbdev emulation
> 
> Use the fbdev emulation that is optimized for DMA helpers. Avoids
> possible shadow buffering and makes the code simpler.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/kmb/kmb_drv.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/kmb/kmb_drv.c
> b/drivers/gpu/drm/kmb/kmb_drv.c
> index d29c678f6c91..24035b53441c 100644
> --- a/drivers/gpu/drm/kmb/kmb_drv.c
> +++ b/drivers/gpu/drm/kmb/kmb_drv.c
> @@ -15,7 +15,7 @@
> 
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
> -#include <drm/drm_fbdev_generic.h>
> +#include <drm/drm_fbdev_dma.h>
>  #include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
> @@ -562,7 +562,7 @@ static int kmb_probe(struct platform_device *pdev)
>  	if (ret)
>  		goto err_register;
> 
> -	drm_fbdev_generic_setup(&kmb->drm, 0);
> +	drm_fbdev_dma_setup(&kmb->drm, 0);
> 
>  	return 0;
> 
> --
> 2.39.2




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