FIMD has fixed hardware window order. To implement dynamic zpos
normalized_zpos of active plane has to be connected to window number, and
remaining windows have to be disabled.

Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c 
b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 226127f35052..c4e2129e0e3f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -706,6 +706,12 @@ static void fimd_atomic_flush(struct exynos_drm_crtc *crtc)
        if (ctx->suspended)
                return;
 
+       for (i = hweight32(crtc->base.state->plane_mask); i < WINDOWS_NR; i++) {
+               if (!(readl(ctx->regs + WINCON(i)) & WINCONx_ENWIN))
+                       break;
+               fimd_disable_win(ctx, i);
+       }
+
        for (i = 0; i < WINDOWS_NR; i++)
                fimd_shadow_protect_win(ctx, i, false);
 
@@ -722,7 +728,7 @@ static void fimd_update_plane(struct exynos_drm_crtc *crtc,
        dma_addr_t dma_addr;
        unsigned long val, size, offset;
        unsigned int last_x, last_y, buf_offsize, line_size;
-       unsigned int win = plane->index;
+       unsigned int win = state->base.normalized_zpos;
        unsigned int cpp = fb->format->cpp[0];
        unsigned int pitch = fb->pitches[0];
 
@@ -804,17 +810,6 @@ static void fimd_update_plane(struct exynos_drm_crtc *crtc,
                atomic_set(&ctx->win_updated, 1);
 }
 
-static void fimd_disable_plane(struct exynos_drm_crtc *crtc,
-                              struct exynos_drm_plane *plane)
-{
-       struct fimd_context *ctx = crtc->ctx;
-
-       if (ctx->suspended)
-               return;
-
-       fimd_disable_win(ctx, plane->index);
-}
-
 static void fimd_enable(struct exynos_drm_crtc *crtc)
 {
        struct fimd_context *ctx = crtc->ctx;
@@ -933,7 +928,6 @@ static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
        .disable_vblank = fimd_disable_vblank,
        .atomic_begin = fimd_atomic_begin,
        .update_plane = fimd_update_plane,
-       .disable_plane = fimd_disable_plane,
        .atomic_flush = fimd_atomic_flush,
        .atomic_check = fimd_atomic_check,
        .te_handler = fimd_te_handler,
@@ -987,6 +981,7 @@ static int fimd_bind(struct device *dev, struct device 
*master, void *data)
                ctx->configs[i].num_pixel_formats = ARRAY_SIZE(fimd_formats);
                ctx->configs[i].zpos = i;
                ctx->configs[i].type = fimd_win_types[i];
+               ctx->configs[i].capabilities = EXYNOS_DRM_PLANE_CAP_ZPOS;
                ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
                                        &ctx->configs[i]);
                if (ret)
-- 
2.17.1

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