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drm/stm: remove conflicting framebuffers 

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
This commit is contained in:
Yannick Fertre 2021-12-06 14:47:35 +01:00 committed by Philippe Cornu
parent 7c442e76c0
commit 77177c934c
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/stm/drv.c
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@ -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);