Hi Luca, Thank you for your patch!
On Fri, Oct 17, 2025 at 06:15:03PM +0200, Luca Ceresoli wrote: > A patch of mine recently merged in drm-misc-next [1] has a NULL pointer > deref regression (reported here [2] and here [3]). Being in lack of a quick > fix, I sent a revert proposal [4]. > > The revert proposal has no answers currenty, and in the meanwhile I have a > patch that implements the original idea but without the same bug. So here's > a v2 series with: > > - the same revert patch > - the original patch but rewritten without the same bug (and even simpler) > > Also the re-written patch is now split in two for clarity because it was > doing two somewhat different things. > > [1] > https://lore.kernel.org/all/20250926-drm-bridge-alloc-getput-bridge-connector-v2-1-138b4bb70...@bootlin.com/ > [2] > https://lore.kernel.org/lkml/[email protected]/ > [3] > https://lore.kernel.org/lkml/CA+G9fYuKHp3QgPKjgFY3TfkDdh5Vf=Ae5pCW+eU41Bu=d7t...@mail.gmail.com/ > [4] > https://lore.kernel.org/lkml/20251016-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v1-1-81d6984c5...@bootlin.com/ > Tested on RZ/G3E board using DSI output. Tested-by: Tommaso Merciai <[email protected]> Thanks & Regards, Tommaso > Signed-off-by: Luca Ceresoli <[email protected]> > --- > Changes in v2: > - No changes to the revert patch > - Added the (corrected) patch introducing the same feature as the original > buggy patch, and also split it in two fir clarity > - Link to v1: > https://lore.kernel.org/r/20251016-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v1-1-81d6984c5...@bootlin.com > > --- > Luca Ceresoli (3): > Revert "drm/display: bridge_connector: get/put the stored bridges" > drm/display: bridge_connector: get/put the stored bridges > drm/display: bridge_connector: get/put the panel_bridge > > drivers/gpu/drm/display/drm_bridge_connector.c | 92 > +++++++++++--------------- > 1 file changed, 39 insertions(+), 53 deletions(-) > --- > base-commit: 84a0a3f014cda68ff10b8517d09e9f0c1cd942a2 > change-id: > 20251016-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-9a429ddb48e2 > > Best regards, > -- > Luca Ceresoli <[email protected]> >
