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    Subject[PATCH AUTOSEL 5.5 151/542] drm/gma500: remove set but not used variable 'htotal'
    Date
    From: zhengbin <zhengbin13@huawei.com>

    [ Upstream commit dfa703b6f91818fa9f652c00e3589c104c518930 ]

    Fixes gcc '-Wunused-but-set-variable' warning:

    drivers/gpu/drm/gma500/oaktrail_hdmi.c: In function htotal_calculate:
    drivers/gpu/drm/gma500/oaktrail_hdmi.c:160:6: warning: variable htotal set but not used [-Wunused-but-set-variable]

    It is introduced by commit 39ec748f7174 ("gma600: Enable HDMI support"),
    but never used, so remove it.

    Reported-by: Hulk Robot <hulkci@huawei.com>
    Signed-off-by: zhengbin <zhengbin13@huawei.com>
    Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
    Link: https://patchwork.freedesktop.org/patch/msgid/1573828027-122323-2-git-send-email-zhengbin13@huawei.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/gma500/oaktrail_hdmi.c | 4 +---
    1 file changed, 1 insertion(+), 3 deletions(-)

    diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
    index f4c520893ceb6..f4370232767d3 100644
    --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c
    +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
    @@ -159,9 +159,7 @@ static void oaktrail_hdmi_audio_disable(struct drm_device *dev)

    static unsigned int htotal_calculate(struct drm_display_mode *mode)
    {
    - u32 htotal, new_crtc_htotal;
    -
    - htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16);
    + u32 new_crtc_htotal;

    /*
    * 1024 x 768 new_crtc_htotal = 0x1024;
    --
    2.20.1
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