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 --- drivers/gpu/drm/meson/meson_drv.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index d3443125e661..afbb3d707d15 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -159,6 +159,23 @@ 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); @@ -242,6 +259,9 @@ 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;