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From: Anusha Srivatsa <asrivats@redhat.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
	 Jessica Zhang <quic_jesszhan@quicinc.com>,
	 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	 Luca Ceresoli <luca.ceresoli@bootlin.com>,
	 Anusha Srivatsa <asrivats@redhat.com>
Subject: [PATCH v3 3/4] drm/panel: deprecate old-style panel allocation
Date: Sun, 30 Mar 2025 22:24:14 -0400	[thread overview]
Message-ID: <20250330-b4-panel-refcounting-v3-3-0e0d4e4641eb@redhat.com> (raw)
In-Reply-To: <20250330-b4-panel-refcounting-v3-0-0e0d4e4641eb@redhat.com>

Start moving to the new refcounted allocations using
the new API devm_drm_panel_alloc(). Deprecate any other
allocation.

Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>

---
v3: none
v2: make the documentation changes in v1 more precise (Maxime)
---
 drivers/gpu/drm/drm_panel.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 7b17531d85a4dc3031709919564d2e4d8332f748..870bf8d471ee9c5fe65d88acc13661cacd883b9b 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -74,8 +74,9 @@ EXPORT_SYMBOL(drm_panel_init);
  * drm_panel_add - add a panel to the global registry
  * @panel: panel to add
  *
- * Add a panel to the global registry so that it can be looked up by display
- * drivers.
+ * Add a panel to the global registry so that it can be looked
+ * up by display drivers. The panel to be added must have been
+ * allocated by devm_drm_panel_alloc().
  */
 void drm_panel_add(struct drm_panel *panel)
 {

-- 
2.48.1


  parent reply	other threads:[~2025-03-31  3:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-31  2:24 [PATCH v3 0/4] drm/panel: Panel Refcounting infrastructure Anusha Srivatsa
2025-03-31  2:24 ` [PATCH v3 1/4] drm/panel: Add new helpers for refcounted panel allocatons Anusha Srivatsa
2025-03-31 14:09   ` Maxime Ripard
2025-03-31  2:24 ` [PATCH v3 2/4] drm/panel: Add refcount support Anusha Srivatsa
2025-03-31  2:24 ` Anusha Srivatsa [this message]
2025-03-31  2:24 ` [PATCH v3 4/4] drm/panel/panel-simple: Use the new allocation in place of devm_kzalloc() Anusha Srivatsa

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