drm/exynos/decon5433: kill DECON_UPDATE workaround

Since fixing CMU code (drm/exynos/decon5433: fix CMU programming)
DECON started behave predictable and does not need special care
during DECON_UPDATE writes.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 21ab839ea29a2b96c94ae90d51f554d2af85fba1..b4853053cad0775bde41897af79287d86c269202 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -51,8 +51,7 @@ enum decon_flag_bits {
        BIT_CLKS_ENABLED,
        BIT_IRQS_ENABLED,
        BIT_WIN_UPDATED,
-       BIT_SUSPENDED,
-       BIT_REQUEST_UPDATE
+       BIT_SUSPENDED
 };
 
 struct decon_context {
@@ -399,7 +398,6 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
 
        /* window enable */
        decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0);
-       set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
 }
 
 static void decon_disable_plane(struct exynos_drm_crtc *crtc,
@@ -412,7 +410,6 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc,
                return;
 
        decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
-       set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
 }
 
 static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
@@ -429,8 +426,7 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
        for (i = ctx->first_win; i < WINDOWS_NR; i++)
                decon_shadow_protect_win(ctx, i, false);
 
-       if (test_and_clear_bit(BIT_REQUEST_UPDATE, &ctx->flags))
-               decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
+       decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 
        if (ctx->out_type & IFTYPE_I80)
                set_bit(BIT_WIN_UPDATED, &ctx->flags);