drm: rcar-du: Don't leak device_link to CMM

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The DU driver creates device_link instances between the DU and CMMs, but
never deletes them. Fix it by introducing a rcar_du_cmm structure to
group the CMM device and device_link, and deleting the links at cleanup
time.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://patch.msgid.link/20260323164526.2292491-5-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

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Laurent Pinchart 2026-03-23 18:45:26 +02:00 • committed by Tomi Valkeinen

parent a93b8739b5

commit 3bce3fdd1f

4 changed files with 35 additions and 21 deletions

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16

drivers/gpu/drm/renesas/rcar-du/rcar_du_crtc.c

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3

drivers/gpu/drm/renesas/rcar-du/rcar_du_crtc.h

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8

drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.h

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29

drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c

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