In case of using simplefb or another conflicting framebuffer, call drm_aperture_remove_framebuffers() to remove memory allocated.
Signed-off-by: Yannick Fertre yannick.fertre@foss.st.com --- drivers/gpu/drm/stm/drv.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 222869b232ae..9f441aadf2d5 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -14,6 +14,7 @@ #include <linux/of_platform.h> #include <linux/pm_runtime.h>
+#include <drm/drm_aperture.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> @@ -183,6 +184,10 @@ static int stm_drm_platform_probe(struct platform_device *pdev)
DRM_DEBUG("%s\n", __func__);
+ ret = drm_aperture_remove_framebuffers(false, &drv_driver); + if (ret) + return ret; + dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
ddev = drm_dev_alloc(&drv_driver, dev);