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drm/stm: remove conflicting framebuffers
author
Yannick Fertre
<yannick.fertre@foss.st.com>
Mon, 6 Dec 2021 13:47:35 +0000
(14:47 +0100)
committer
Philippe Cornu
<philippe.cornu@foss.st.com>
Tue, 4 Jan 2022 13:36:48 +0000
(14:36 +0100)
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>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Philippe Cornu <philippe.cornu@foss.st.com>
Signed-off-by: Philippe Cornu <philippe.cornu@foss.st.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20211206134735.13537-1-yannick.fertre@foss.st.com
drivers/gpu/drm/stm/drv.c
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diff --git
a/drivers/gpu/drm/stm/drv.c
b/drivers/gpu/drm/stm/drv.c
index
222869b
..
9f441aa
100644
(file)
--- 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);