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SubjectRe: [PATCH] drm/exynos: fix double call of drm_prime_(init/destroy)_file_private
Hi Mandeep,

On 2012년 09월 06일 06:47, Mandeep Singh Baines wrote:
> The double invocations are incorrect but seem to be safe so I don't
> think this will fix any bugs.
>
> Before:
>
> [ 7.639366] drm_prime_init_file ee3675d0
> [ 7.639377] drm_prime_init_file ee3675d0
> [ 7.639507] drm_prime_destroy_file ee3675d0
> [ 7.639518] drm_prime_destroy_file ee3675d0
> [ 7.639802] drm_prime_init_file ee372390
> [ 7.639810] drm_prime_init_file ee372390
> [ 8.473316] drm_prime_init_file ee356390
> [ 8.473331] drm_prime_init_file ee356390
>
> After:
>
> [ 6.363842] drm_prime_init_file edc2e5d0
> [ 6.363994] drm_prime_destroy_file edc2e5d0
> [ 6.364260] drm_prime_init_file edc2e750
> [ 8.004837] drm_prime_init_file ee36ded0
>

You are right. prime file_priv is handled by drm_fops.c, so it can be
removed from exynos drm.

Thanks for your patch.

> Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
> CC: Stéphane Marchesin <marcheu@chromium.org>
> CC: Pawel Osciak <posciak@google.com>
> CC: Inki Dae <inki.dae@samsung.com>
> CC: Joonyoung Shim <jy0922.shim@samsung.com>
> CC: Seung-Woo Kim <sw0312.kim@samsung.com>
> CC: Kyungmin Park <kyungmin.park@samsung.com>
> CC: David Airlie <airlied@linux.ie>
> CC: dri-devel@lists.freedesktop.org

Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>

> ---
> drivers/gpu/drm/exynos/exynos_drm_drv.c | 2 --
> 1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> index ebacec6..a27b8ff 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> @@ -160,7 +160,6 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
> if (!file_priv)
> return -ENOMEM;
>
> - drm_prime_init_file_private(&file->prime);
> file->driver_priv = file_priv;
>
> return exynos_drm_subdrv_open(dev, file);
> @@ -184,7 +183,6 @@ static void exynos_drm_preclose(struct drm_device *dev,
> e->base.destroy(&e->base);
> }
> }
> - drm_prime_destroy_file_private(&file->prime);
> spin_unlock_irqrestore(&dev->event_lock, flags);
>
> exynos_drm_subdrv_close(dev, file);
>

--
Seung-Woo Kim
Samsung Software R&D Center
--

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