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SubjectRe: [PATCH 1/3] drm/amd/display: drop redundant memset() in get_available_dsc_slices()
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On 5/17/23 12:33, Hamza Mahfooz wrote:
> get_available_dsc_slices() returns the number of indices set, and all of
> the users of get_available_dsc_slices() don't cross the returned bound
> when iterating over available_slices[]. So, the memset() in
> get_available_dsc_slices() is redundant and can be dropped.
>
> Fixes: 97bda0322b8a ("drm/amd/display: Add DSC support for Navi (v2)")
> Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
> ---
> drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
> index b9a05bb025db..58dd62cce4bb 100644
> --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
> @@ -645,8 +645,6 @@ static int get_available_dsc_slices(union dsc_enc_slice_caps slice_caps, int *av
> {
> int idx = 0;
>
> - memset(available_slices, -1, MIN_AVAILABLE_SLICES_SIZE);
> -
> if (slice_caps.bits.NUM_SLICES_1)
> available_slices[idx++] = 1;
>

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>

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