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[v2,09/11] drm/omapdrm: Set fbdev FBINFO_VIRTFB flag

Message ID 20230706124905.15134-10-tzimmermann@suse.de
State New
Headers show
Series drm: Improve fbdev emulation for DMA-able framebuffers | expand

Commit Message

Thomas Zimmermann July 6, 2023, 12:46 p.m. UTC 
Mark the framebuffer with FBINFO_VIRTFB. The framebuffer range is
in DMA-able memory and should be accessed with the CPU's regular
memory ops.

v2:
	* drop FBINFO_DEFAULT

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/gpu/drm/omapdrm/omap_fbdev.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index b1a2d00ef52d..2821182f1d93 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -207,6 +207,7 @@  static int omap_fbdev_create(struct drm_fb_helper *helper,
 
 	drm_fb_helper_fill_info(fbi, helper, sizes);
 
+	fbi->flags |= FBINFO_VIRTFB;
 	fbi->screen_buffer = omap_gem_vaddr(bo);
 	fbi->screen_size = bo->size;
 	fbi->fix.smem_start = dma_addr;