> 2026年6月26日 22:49，WenTao Liang <[email protected]> 写道：
>
> When map->chunks > 1 triggers an error, the function jumps to unpin
> before storing the current map in state->map[i]. The unpin loop only
> cleans up previously pinned planes (indices 0 through i-1), so the
> current mapping returned by host1x_bo_pin is never released via
> host1x_bo_unpin.
>
> Cc: [email protected]
> Fixes: c6aeaf56f468 ("drm/tegra: Implement correct DMA-BUF semantics")
> Signed-off-by: WenTao Liang <[email protected]>
> ---
> drivers/gpu/drm/tegra/plane.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/tegra/plane.c b/drivers/gpu/drm/tegra/plane.c
> index 0cb30910773f..e61485ee58f6 100644
> --- a/drivers/gpu/drm/tegra/plane.c
> +++ b/drivers/gpu/drm/tegra/plane.c
> @@ -161,6 +161,7 @@ static int tegra_dc_pin(struct tegra_dc *dc, struct
> tegra_plane_state *state)
> */
> if (map->chunks > 1) {
> err = -EINVAL;
> + host1x_bo_unpin(map);
> goto unpin;
> }
>
> --
> 2.39.5 (Apple Git-154)
Please ignore this patch. I will resend a proper version after
learning the kernel submission process.
Apologies for the noise.
Best regards,
WenTao Liang
