Re: [PATCH 05/22] drm/atmel-hlcdc: Use GEM DMA fbdev emulation

Sam Ravnborg
2023-03-02T19:48:17Z

On Wed, Mar 01, 2023 at 04:30:44PM +0100, Thomas Zimmermann wrote:
> 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@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index 4e806b06d35d..29603561d501 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -19,7 +19,7 @@
> #include <drm/drm_atomic.h>
> #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>
> @@ -760,7 +760,7 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev)
> if (ret)
> goto err_unload;
>
> - drm_fbdev_generic_setup(ddev, 24);
> + drm_fbdev_dma_setup(ddev, 24);
>
> return 0;
>
> --
> 2.39.2