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([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id r1-20020a1709061ba100b007a9c3831409sm3125296ejg.137.2022.10.26.08.34.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 08:34:37 -0700 (PDT) From: Danilo Krummrich To: daniel@ffwll.ch, airlied@linux.ie, tzimmermann@suse.de, mripard@kernel.org, liviu.dudau@arm.com, brian.starkey@arm.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH drm-misc-next v4 0/4] drm/arm/hdlcd: use drm managed resources Date: Wed, 26 Oct 2022 17:34:27 +0200 Message-Id: <20221026153431.72033-1-dakr@redhat.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747765800953982745?= X-GMAIL-MSGID: =?utf-8?q?1747765800953982745?= Hi, This patch series converts the driver to use drm managed resources to prevent potential use-after-free issues on driver unbind/rebind and to get rid of the usage of deprecated APIs. Changes in v2: - drop patch "drm/arm/hdlcd: crtc: use drmm_crtc_init_with_planes()" Changes in v3: - Fix alternate return paths in srcu read-side critical sections causing a stall when unregistering the driver. - Fix potential null pointer dereference in hdlcd_crtc_cleanup() introduced dropping the patch in v2. - Add a patch to remove explicit calls to drm_mode_config_cleanup(). Changes in v4: - Remove patches to protect platform device bound resources with drm_dev_{enter,exit}, since this would leave the hardware enabled when regularly unloading the driver e.g. via rmmod. Instead do this in a later series, once we got drm_dev_unplug() in place to deal with a regular driver shutdown. Danilo Krummrich (4): drm/arm/hdlcd: use drmm_* to allocate driver structures drm/arm/hdlcd: replace drm->dev_private with drm_to_hdlcd_priv() drm/arm/hdlcd: plane: use drm managed resources drm/arm/hdlcd: remove calls to drm_mode_config_cleanup() drivers/gpu/drm/arm/hdlcd_crtc.c | 24 +++++++------------ drivers/gpu/drm/arm/hdlcd_drv.c | 41 ++++++++++++++++---------------- drivers/gpu/drm/arm/hdlcd_drv.h | 2 ++ 3 files changed, 32 insertions(+), 35 deletions(-) base-commit: e1e7bc481d49c3e3ada11029ce0d9b85a0a539d7 Acked-by: Liviu Dudau