[PATCH] drm/stm: remove conflicting framebuffers
From: Yannick Fertre <yannick.fertre@foss.st.com>
Date: 2021-12-06 13:48:04
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
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);
--
2.17.1
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