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    Subject[PATCH 4.9 061/130] drm/exynos: decon5433: Fix WINCONx reset value
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Marek Szyprowski <m.szyprowski@samsung.com>

    [ Upstream commit 7b7aa62c05eac9789c208b946f515983a9255d8d ]

    The only bits that should be preserved in decon_win_set_fmt() is
    WINCONx_ENWIN_F. All other bits depends on the selected pixel formats and
    are set by the mentioned function.

    Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
    Signed-off-by: Inki Dae <inki.dae@samsung.com>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
    +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
    @@ -199,7 +199,7 @@ static void decon_win_set_pixfmt(struct
    unsigned long val;

    val = readl(ctx->addr + DECON_WINCONx(win));
    - val &= ~WINCONx_BPPMODE_MASK;
    + val &= WINCONx_ENWIN_F;

    switch (fb->pixel_format) {
    case DRM_FORMAT_XRGB1555:

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