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From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Thu, 29 Oct 2020 23:44:47 -0400
Message-ID: <CADnq5_OORogMPV6zrEPGNGJ-jEamkzymdGTyHetrF_9xvoVx_w@mail.gmail.com>
Subject: Re: [PATCH 2/5] drm/amdgpu: fix incorrect enum type
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Harry Wentland <harry.wentland@amd.com>,
        Leo Li <sunpeng.li@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Galiffi <david.galiffi@amd.com>,
        Jun Lei <Jun.Lei@amd.com>, Martin Tsai <martin.tsai@amd.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Wenjing Liu <wenjing.liu@amd.com>,
        LKML <linux-kernel@vger.kernel.org>,
        amd-gfx list <amd-gfx@lists.freedesktop.org>,
        Hersen Wu <hersenxs.wu@amd.com>,
        Maling list - DRI developers 
        <dri-devel@lists.freedesktop.org>,
        abdoulaye berthe <abdoulaye.berthe@amd.com>,
        jinlong zhang <jinlong.zhang@amd.com>
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Precedence: bulk

Applied.  Thanks!

Alex

On Mon, Oct 26, 2020 at 5:01 PM Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Arnd Bergmann <arnd@arndb.de>
>
> core_link_write_dpcd() returns enum dc_status, not ddc_result:
>
> display/dc/core/dc_link_dp.c: In function 'dp_set_panel_mode':
> display/dc/core/dc_link_dp.c:4237:11: warning: implicit conversion from 'enum dc_status' to 'enum ddc_result'
> [-Wenum-conversion]
>
> Avoid the warning by using the correct enum in the caller.
>
> Fixes: 0b226322434c ("drm/amd/display: Synchronous DisplayPort Link Training")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> index ff1e9963ec7a..98464886341f 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> @@ -4230,7 +4230,7 @@ void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode)
>
>                 if (edp_config_set.bits.PANEL_MODE_EDP
>                         != panel_mode_edp) {
> -                       enum ddc_result result = DDC_RESULT_UNKNOWN;
> +                       enum dc_status result = DC_ERROR_UNEXPECTED;
>
>                         edp_config_set.bits.PANEL_MODE_EDP =
>                         panel_mode_edp;
> @@ -4240,7 +4240,7 @@ void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode)
>                                 &edp_config_set.raw,
>                                 sizeof(edp_config_set.raw));
>
> -                       ASSERT(result == DDC_RESULT_SUCESSFULL);
> +                       ASSERT(result == DC_OK);
>                 }
>         }
>         DC_LOG_DETECTION_DP_CAPS("Link: %d eDP panel mode supported: %d "
> --
> 2.27.0
>
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