[PATCH] drm/stm: remove conflicting framebuffers

Yannick Fertre yannick.fertre at foss.st.com
Fri Dec 3 08:55:12 UTC 2021


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 at 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..5ba46f70f081 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>
@@ -193,6 +194,10 @@ static int stm_drm_platform_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_put;
 
+	ret = drm_aperture_remove_framebuffers(false, &drv_driver);
+	if (ret)
+		goto err_put;
+
 	ret = drm_dev_register(ddev, 0);
 	if (ret)
 		goto err_put;
-- 
2.17.1



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