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Fri, 13 Nov 2020 10:32:21 -0500 (EST) From: Maxime Ripard To: Mark Rutland , Rob Herring , Frank Rowand , Eric Anholt , Daniel Vetter , David Airlie , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard Subject: [PATCH 4/8] drm/vc4: kms: Simplify a bit the private obj state hooks Date: Fri, 13 Nov 2020 16:29:52 +0100 Message-Id: <20201113152956.139663-5-maxime@cerno.tech> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113152956.139663-1-maxime@cerno.tech> References: <20201113152956.139663-1-maxime@cerno.tech> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 16 Nov 2020 01:07:21 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Tim Gover , Dave Stevenson , dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Some fields that we're going to add cannot be just copied over to the new state, and thus kmemdup is a bit unnecessary. Let's move to kzalloc instead, and clean it up in the process. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_kms.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index d6712924681e..3d0065df10f9 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -695,23 +695,25 @@ static int vc4_load_tracker_obj_init(struct vc4_dev *vc4) static struct drm_private_state * vc4_hvs_channels_duplicate_state(struct drm_private_obj *obj) { + struct vc4_hvs_state *old_state = to_vc4_hvs_state(obj->state); struct vc4_hvs_state *state; - state = kmemdup(obj->state, sizeof(*state), GFP_KERNEL); + state = kzalloc(sizeof(*state), GFP_KERNEL); if (!state) return NULL; __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); + state->unassigned_channels = old_state->unassigned_channels; + return &state->base; } static void vc4_hvs_channels_destroy_state(struct drm_private_obj *obj, struct drm_private_state *state) { - struct vc4_hvs_state *hvs_state; + struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state); - hvs_state = to_vc4_hvs_state(state); kfree(hvs_state); } -- 2.28.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel