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[06/10] drm/exynos: Set fbdev flags

Message ID 20230704160133.20261-7-tzimmermann@suse.de
State New
Headers show
Series drm: Improve fbdev emulation for DMA-able framebuffers | expand

Commit Message

Thomas Zimmermann July 4, 2023, 3:50 p.m. UTC 
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: Inki Dae <inki.dae@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 7ca3424b59ce..28dc398d6e10 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -72,6 +72,7 @@  static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 		return PTR_ERR(fbi);
 	}
 
+	fbi->flags = FBINFO_FLAG_DEFAULT;
 	fbi->fbops = &exynos_drm_fb_ops;
 
 	drm_fb_helper_fill_info(fbi, helper, sizes);
@@ -79,6 +80,7 @@  static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 	offset = fbi->var.xoffset * fb->format->cpp[0];
 	offset += fbi->var.yoffset * fb->pitches[0];
 
+	fbi->flags |= FBINFO_VIRTFB;
 	fbi->screen_buffer = exynos_gem->kvaddr + offset;
 	fbi->screen_size = size;
 	fbi->fix.smem_len = size;