Re: [PATCH] drm/amd/display: remove redundant check

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On 2023-10-31 07:48, Greg KH wrote:
On Mon, Oct 30, 2023 at 07:17:48PM +0200, José Pekkarinen wrote:
This patch addresses the following warning spotted by
using coccinelle where the case checked does the same
than the else case.

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c:4664:8-10: WARNING: possible condition with no effect (if == else)

Fixes: 974ce181 ("drm/amd/display: Add check for PState change in DCN32")

Cc: stable@xxxxxxxxxxxxxxx

Why is this relevant for stable?

    Hi,

    I was asked to send it for stable because this code
looks different in amd-staging-drm-next, see here.

https://gitlab.freedesktop.org/agd5f/linux/-/blob/amd-staging-drm-next/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c#L4661

    Feel free to let me know if this is wrong, or if I
need to review some other guidelines I may have missed.

    Thanks!

    José.



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