4.17-stable review patch. If anyone has any objections, please let me know.
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From: Marek Szyprowski m.szyprowski@samsung.com
[ Upstream commit ab337fc274a1957ff0771f19e826c736253f7c39 ]
Set per-plane global alpha to maximum value to get proper blending of XRGB and ARGB planes. This fixes the strange order of overlapping planes.
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 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -351,8 +351,8 @@ static void decon_update_plane(struct ex writel(val, ctx->addr + DECON_VIDOSDxB(win)); }
- val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) | - VIDOSD_Wx_ALPHA_B_F(0x0); + val = VIDOSD_Wx_ALPHA_R_F(0xff) | VIDOSD_Wx_ALPHA_G_F(0xff) | + VIDOSD_Wx_ALPHA_B_F(0xff); writel(val, ctx->addr + DECON_VIDOSDxC(win));
val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |