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drm/exynos: Set fbdev FBINFO_VIRTFB flag

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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_FLAG_DEFAULT

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by : Inki Dae <inki.dae@samsung.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20230707083422.18691-8-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-07-07 10:31:58 +02:00
parent b1d69bf1bf
commit 5ad315c8b2
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
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@ -79,6 +79,7 @@ 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;