drm/exynos/decon5433: kill BIT_IRQS_ENABLED

BIT_IRQS_ENABLED flag duplicates drm_vblank_crtc::refcount, it could be
safely removed.

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 b4853053cad0775bde41897af79287d86c269202..3bae2fc8dcb6e807af07e321ab6840ab13981524 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -49,7 +49,6 @@ static const char * const decon_clks_name[] = {
 
 enum decon_flag_bits {
        BIT_CLKS_ENABLED,
-       BIT_IRQS_ENABLED,
        BIT_WIN_UPDATED,
        BIT_SUSPENDED
 };
@@ -98,15 +97,13 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc)
        if (test_bit(BIT_SUSPENDED, &ctx->flags))
                return -EPERM;
 
-       if (!test_and_set_bit(BIT_IRQS_ENABLED, &ctx->flags)) {
-               val = VIDINTCON0_INTEN;
-               if (ctx->out_type & IFTYPE_I80)
-                       val |= VIDINTCON0_FRAMEDONE;
-               else
-                       val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP;
+       val = VIDINTCON0_INTEN;
+       if (ctx->out_type & IFTYPE_I80)
+               val |= VIDINTCON0_FRAMEDONE;
+       else
+               val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP;
 
-               writel(val, ctx->addr + DECON_VIDINTCON0);
-       }
+       writel(val, ctx->addr + DECON_VIDINTCON0);
 
        return 0;
 }
@@ -118,8 +115,7 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc)
        if (test_bit(BIT_SUSPENDED, &ctx->flags))
                return;
 
-       if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
-               writel(0, ctx->addr + DECON_VIDINTCON0);
+       writel(0, ctx->addr + DECON_VIDINTCON0);
 }
 
 /* return number of starts/ends of frame transmissions since reset */
@@ -489,10 +485,6 @@ static void decon_enable(struct exynos_drm_crtc *crtc)
 
        decon_swreset(ctx);
 
-       /* if vblank was enabled status, enable it again. */
-       if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
-               decon_enable_vblank(ctx->crtc);
-
        decon_commit(ctx->crtc);
 }