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drm/meson: remove firmware framebuffers 

In case we are using simplefb or another conflicting framebuffer, make
the call to drm_fb_helper_remove_conflicting_framebuffers()

Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181210092853.13050-1-mjourdan@baylibre.com
This commit is contained in:
Maxime Jourdan 2018-12-10 10:28:53 +01:00 committed by Neil Armstrong
parent 8e93f1028d
commit e3de0aa6c9
1 changed files with 20 additions and 0 deletions
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20
drivers/gpu/drm/meson/meson_drv.c
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@ -152,6 +152,23 @@ static void meson_vpu_init(struct meson_drm *priv)
writel_relaxed(0x20000, priv->io_base + _REG(VPU_WRARB_MODE_L2C1));
}
static void meson_remove_framebuffers(void)
{
struct apertures_struct *ap;
ap = alloc_apertures(1);
if (!ap)
return;
/* The framebuffer can be located anywhere in RAM */
ap->ranges[0].base = 0;
ap->ranges[0].size = ~0;
drm_fb_helper_remove_conflicting_framebuffers(ap, "meson-drm-fb",
false);
kfree(ap);
}
static int meson_drv_bind_master(struct device *dev, bool has_components)
{
struct platform_device *pdev = to_platform_device(dev);
@ -262,6 +279,9 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
if (ret)
goto free_drm;
/* Remove early framebuffers (ie. simplefb) */
meson_remove_framebuffers();
drm_mode_config_init(drm);
drm->mode_config.max_width = 3840;
drm->mode_config.max_height = 2160;