linux-kernel - Re: [PATCH] drm/tegra: replace idr_init() by idr_init

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Date:   Tue, 10 Nov 2020 20:53:58 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Deepak R Varma <mh12gx2825@...il.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Jonathan Hunter <jonathanh@...dia.com>,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/tegra: replace idr_init() by idr_init_base()

On Thu, Nov 05, 2020 at 11:29:28PM +0530, Deepak R Varma wrote:
> idr_init() uses base 0 which is an invalid identifier for this driver.
> The new function idr_init_base allows IDR to set the ID lookup from
> base 1. This avoids all lookups that otherwise starts from 0 since
> 0 is always unused.
> 
> References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient")
> 
> Signed-off-by: Deepak R Varma <mh12gx2825@...il.com>
> ---
>  drivers/gpu/drm/tegra/drm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

Thierry

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