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Subject[PATCH 4.14 114/217] drm/exynos: decon5433: Fix WINCONx reset value
Date
4.14-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
@@ -261,7 +261,7 @@ 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->format->format) {
case DRM_FORMAT_XRGB1555:

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