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Message-Id: <20250327-b4-panel-refcounting-v2-3-b5f5ca551f95@redhat.com>
Date: Thu, 27 Mar 2025 10:55:41 -0400
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
Jessica Zhang <quic_jesszhan@...cinc.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Luca Ceresoli <luca.ceresoli@...tlin.com>,
Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH v2 3/4] drm/panel: deprecate old-style panel allocation
Start moving to the new refcounted allocations using
the new API devm_drm_panel_alloc(). Deprecate any other
allocation.
v2: make the documentation changes in v1 more precise (Maxime)
Reviewed-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
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
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