drm/mcde: Use drmm_add_final_kfree

With this we can drop the final kfree from the release function.

v2: Fix unused variable warning, spotted while applying.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-13-daniel.vetter@ffwll.ch

diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index f28cb7a576ba40f08c8fc448ff0e69c76d2bbd81..51140a22240ace9008bb908d918196424be037c8 100644 (file)
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -72,6 +72,7 @@
 #include <drm/drm_gem.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
 #include <drm/drm_of.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_panel.h>
@@ -219,11 +220,8 @@ out_config:
 
 static void mcde_release(struct drm_device *drm)
 {
-       struct mcde *mcde = drm->dev_private;
-
        drm_mode_config_cleanup(drm);
        drm_dev_fini(drm);
-       kfree(mcde);
 }
 
 DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
@@ -330,6 +328,7 @@ static int mcde_probe(struct platform_device *pdev)
        }
        drm = &mcde->drm;
        drm->dev_private = mcde;
+       drmm_add_final_kfree(drm, mcde);
        platform_set_drvdata(pdev, drm);
 
        /* Enable continuous updates: this is what Linux' framebuffer expects */