[PATCH 04/10] drm/tegra: Set fbdev flags

Thomas Zimmermann
2023-07-04T16:01:42Z

Set fbdev default flags FBNFO_DEFAULT and 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.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
---
drivers/gpu/drm/tegra/fbdev.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c
index 82577b7c88da..8074430c52f1 100644
--- a/drivers/gpu/drm/tegra/fbdev.c
+++ b/drivers/gpu/drm/tegra/fbdev.c
@@ -103,6 +103,8 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
return PTR_ERR(info);
}

+ info->flags = FBINFO_DEFAULT;
+
fb = tegra_fb_alloc(drm, &cmd, &bo, 1);
if (IS_ERR(fb)) {
err = PTR_ERR(fb);
@@ -132,6 +134,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
}
}

+ info->flags |= FBINFO_VIRTFB;
info->screen_base = (void __iomem *)bo->vaddr + offset;
info->screen_size = size;
info->fix.smem_start = (unsigned long)(bo->iova + offset);
--
2.41.0