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    Subject[PATCH AUTOSEL 5.10 054/217] drm/ast: Fixed 1920x1080 sync. polarity issue
    Date
    From: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>

    [ Upstream commit 2d26123dd9075df82f217364f585a3a6aab5412d ]

    [Bug] Change the vertical synchroous polary of 1920x1080 @60Hz
    from Negtive to Positive

    Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
    Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
    Link: https://patchwork.freedesktop.org/patch/msgid/20201105094729.106059-1-kuohsiang_chou@aspeedtech.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/ast/ast_tables.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
    index d665dd5af5dd8..dbe1cc620f6e6 100644
    --- a/drivers/gpu/drm/ast/ast_tables.h
    +++ b/drivers/gpu/drm/ast/ast_tables.h
    @@ -293,10 +293,10 @@ static const struct ast_vbios_enhtable res_1600x900[] = {

    static const struct ast_vbios_enhtable res_1920x1080[] = {
    {2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5, /* 60Hz */
    - (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
    + (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
    AST2500PreCatchCRT), 60, 1, 0x38 },
    {2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5, /* 60Hz */
    - (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
    + (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
    AST2500PreCatchCRT), 0xFF, 1, 0x38 },
    };

    --
    2.27.0
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