Commit a66172fa authored Mar 13, 2023 by Thomas Zimmermann

drm/pl111: Use GEM DMA fbdev emulation

Use the fbdev emulation that is optimized for DMA helpers. Avoids
possible shadow buffering and makes the code simpler.

Reported-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/dri-devel/CACRpkdawSQsNqKJkSSoSw3HmMHyNXFUywxkdszpTC-a_uZA+tQ@mail.gmail.com/

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313155138.20584-26-tzimmermann@suse.de

parent 1cbc3634

drivers/gpu/drm/pl111/pl111_drv.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@
		#include <drm/drm_atomic_helper.h>
		#include <drm/drm_bridge.h>
		#include <drm/drm_drv.h>
		#include <drm/drm_fbdev_generic.h>
		#include <drm/drm_fbdev_dma.h>
		#include <drm/drm_fourcc.h>
		#include <drm/drm_gem_dma_helper.h>
		#include <drm/drm_gem_framebuffer_helper.h>
		@@ -308,7 +308,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev,
		if (ret < 0)
		goto dev_put;

		drm_fbdev_generic_setup(drm, priv->variant->fb_bpp);
		drm_fbdev_dma_setup(drm, priv->variant->fb_bpp);

		return 0;