[PATCH v6 03/11] drm/msm/hdmi: switch to of_drm_get_bridge_by_endpoint()
Dmitry Baryshkov
dmitry.baryshkov at oss.qualcomm.com
Wed May 13 06:24:25 PDT 2026
On Mon, May 11, 2026 at 06:40:07PM +0200, Luca Ceresoli wrote:
> This driver calls drm_of_find_panel_or_bridge() with a NULL pointer in the
> @panel parameter, thus using a reduced feature set of that function.
> Replace this call with the simpler of_drm_get_bridge_by_endpoint().
>
> Since of_drm_get_bridge_by_endpoint() increases the refcount of the
> returned bridge, ensure it is put on removal.
>
> Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>
>
> ---
>
> Changes in v6:
> - move assignment of next_bridge earlier (avoid access before assignment)
>
> Changes in v5:
> - simplify error management code flow
>
> Changes in v4:
> - ensure next_bridge is put on later probe failures
>
> Changes in v3:
> - fix ERR_PTR deref when -ENODEV is returned
>
> - move assignment of next_bridge earlier (avoid access before assignment)
> ---
> drivers/gpu/drm/msm/hdmi/hdmi.c | 70 +++++++++++++++++++++++++++--------------
> 1 file changed, 47 insertions(+), 23 deletions(-)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
Ack to merge this through the drm-misc tree
--
With best wishes
Dmitry
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