drm/exynos: pass struct exynos_drm_plane in update/enable

We already have the plane pointer in before calling .update_plane() or
disable_plane() so pass it directly to those calls avoiding a new
conversion from zpos to struct exynos_drm_plane.

v2: don't remove check for suspended in FIMD (comment by Joonyoung)

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

7 files changed, 40 insertions, 65 deletions

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 83fbf387f4d8..a4ea09665b83 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -219,17 +219,13 @@ static void decon_shadow_protect_win(struct decon_context *ctx, int win,
 	writel(val, ctx->addr + DECON_SHADOWCON);
 }
 
-static void decon_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void decon_update_plane(struct exynos_drm_crtc *crtc,
+			       struct exynos_drm_plane *plane)
 {
 	struct decon_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
+	unsigned int win = plane->zpos;
 	u32 val;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	if (ctx->suspended)
 		return;
 
@@ -277,17 +273,13 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
 		atomic_set(&ctx->win_updated, 1);
 }
 
-static void decon_disable_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void decon_disable_plane(struct exynos_drm_crtc *crtc,
+				struct exynos_drm_plane *plane)
 {
 	struct decon_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
+	unsigned int win = plane->zpos;
 	u32 val;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	if (ctx->suspended)
 		return;
 
@@ -378,7 +370,7 @@ static void decon_disable(struct exynos_drm_crtc *crtc)
 	 * a destroyed buffer later.
 	 */
 	for (i = 0; i < WINDOWS_NR; i++)
-		decon_disable_plane(crtc, i);
+		decon_disable_plane(crtc, &ctx->planes[i]);
 
 	decon_swreset(ctx);
 
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index 31210bef3ece..0bb393867da4 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -383,24 +383,20 @@ static void decon_shadow_protect_win(struct decon_context *ctx,
 	writel(val, ctx->regs + SHADOWCON);
 }
 
-static void decon_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void decon_update_plane(struct exynos_drm_crtc *crtc,
+			       struct exynos_drm_plane *plane)
 {
 	struct decon_context *ctx = crtc->ctx;
 	struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
-	struct exynos_drm_plane *plane;
 	int padding;
 	unsigned long val, alpha;
 	unsigned int last_x;
 	unsigned int last_y;
+	unsigned int win = plane->zpos;
 
 	if (ctx->suspended)
 		return;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	/*
 	 * SHADOWCON/PRTCON register is used for enabling timing.
 	 *
@@ -493,17 +489,13 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
 	writel(val, ctx->regs + DECON_UPDATE);
 }
 
-static void decon_disable_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void decon_disable_plane(struct exynos_drm_crtc *crtc,
+				struct exynos_drm_plane *plane)
 {
 	struct decon_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
+	unsigned int win = plane->zpos;
 	u32 val;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	if (ctx->suspended)
 		return;
 
@@ -599,7 +591,7 @@ static void decon_disable(struct exynos_drm_crtc *crtc)
 	 * a destroyed buffer later.
 	 */
 	for (i = 0; i < WINDOWS_NR; i++)
-		decon_disable_plane(crtc, i);
+		decon_disable_plane(crtc, &ctx->planes[i]);
 
 	clk_disable_unprepare(ctx->vclk);
 	clk_disable_unprepare(ctx->eclk);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index ac7eb317cc88..18d04d0e7364 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -173,8 +173,10 @@ struct exynos_drm_crtc_ops {
 	int (*enable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*disable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*wait_for_vblank)(struct exynos_drm_crtc *crtc);
-	void (*update_plane)(struct exynos_drm_crtc *crtc, unsigned int zpos);
-	void (*disable_plane)(struct exynos_drm_crtc *crtc, unsigned int zpos);
+	void (*update_plane)(struct exynos_drm_crtc *crtc,
+			     struct exynos_drm_plane *plane);
+	void (*disable_plane)(struct exynos_drm_crtc *crtc,
+			      struct exynos_drm_plane *plane);
 	void (*te_handler)(struct exynos_drm_crtc *crtc);
 	void (*clock_enable)(struct exynos_drm_crtc *crtc, bool enable);
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 81bc34253510..2527997c4f24 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -607,22 +607,18 @@ static void fimd_shadow_protect_win(struct fimd_context *ctx,
 	writel(val, ctx->regs + reg);
 }
 
-static void fimd_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void fimd_update_plane(struct exynos_drm_crtc *crtc,
+			      struct exynos_drm_plane *plane)
 {
 	struct fimd_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
 	dma_addr_t dma_addr;
 	unsigned long val, size, offset;
 	unsigned int last_x, last_y, buf_offsize, line_size;
+	unsigned int win = plane->zpos;
 
 	if (ctx->suspended)
 		return;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	/*
 	 * SHADOWCON/PRTCON register is used for enabling timing.
 	 *
@@ -715,15 +711,11 @@ static void fimd_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
 		atomic_set(&ctx->win_updated, 1);
 }
 
-static void fimd_disable_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void fimd_disable_plane(struct exynos_drm_crtc *crtc,
+			       struct exynos_drm_plane *plane)
 {
 	struct fimd_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
-
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
+	unsigned int win = plane->zpos;
 
 	if (ctx->suspended)
 		return;
@@ -785,7 +777,7 @@ static void fimd_disable(struct exynos_drm_crtc *crtc)
 	 * a destroyed buffer later.
 	 */
 	for (i = 0; i < WINDOWS_NR; i++)
-		fimd_disable_plane(crtc, i);
+		fimd_disable_plane(crtc, &ctx->planes[i]);
 
 	fimd_enable_vblank(crtc);
 	fimd_wait_for_vblank(crtc);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index eb9eec944326..b5aa5b75d82b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -180,7 +180,7 @@ static void exynos_plane_atomic_update(struct drm_plane *plane,
 			      state->src_w >> 16, state->src_h >> 16);
 
 	if (exynos_crtc->ops->update_plane)
-		exynos_crtc->ops->update_plane(exynos_crtc, exynos_plane->zpos);
+		exynos_crtc->ops->update_plane(exynos_crtc, exynos_plane);
 }
 
 static void exynos_plane_atomic_disable(struct drm_plane *plane,
@@ -194,7 +194,7 @@ static void exynos_plane_atomic_disable(struct drm_plane *plane,
 
 	if (exynos_crtc->ops->disable_plane)
 		exynos_crtc->ops->disable_plane(exynos_crtc,
-						exynos_plane->zpos);
+						exynos_plane);
 }
 
 static const struct drm_plane_helper_funcs plane_helper_funcs = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 59d85ef04650..ade59eeb8554 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -118,19 +118,14 @@ static void vidi_disable_vblank(struct exynos_drm_crtc *crtc)
 		ctx->vblank_on = false;
 }
 
-static void vidi_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void vidi_update_plane(struct exynos_drm_crtc *crtc,
+			      struct exynos_drm_plane *plane)
 {
 	struct vidi_context *ctx = crtc->ctx;
-	struct exynos_drm_plane *plane;
 
 	if (ctx->suspended)
 		return;
 
-	if (win < 0 || win >= WINDOWS_NR)
-		return;
-
-	plane = &ctx->planes[win];
-
 	DRM_DEBUG_KMS("dma_addr = %pad\n", plane->dma_addr);
 
 	if (ctx->vblank_on)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 72bdded845f4..9275d3af385f 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -927,28 +927,30 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc)
 	mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);
 }
 
-static void mixer_update_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void mixer_update_plane(struct exynos_drm_crtc *crtc,
+			       struct exynos_drm_plane *plane)
 {
 	struct mixer_context *mixer_ctx = crtc->ctx;
 
-	DRM_DEBUG_KMS("win: %d\n", win);
+	DRM_DEBUG_KMS("win: %d\n", plane->zpos);
 
 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))
 		return;
 
-	if (win > 1 && mixer_ctx->vp_enabled)
-		vp_video_buffer(mixer_ctx, win);
+	if (plane->zpos > 1 && mixer_ctx->vp_enabled)
+		vp_video_buffer(mixer_ctx, plane->zpos);
 	else
-		mixer_graph_buffer(mixer_ctx, win);
+		mixer_graph_buffer(mixer_ctx, plane->zpos);
 }
 
-static void mixer_disable_plane(struct exynos_drm_crtc *crtc, unsigned int win)
+static void mixer_disable_plane(struct exynos_drm_crtc *crtc,
+				struct exynos_drm_plane *plane)
 {
 	struct mixer_context *mixer_ctx = crtc->ctx;
 	struct mixer_resources *res = &mixer_ctx->mixer_res;
 	unsigned long flags;
 
-	DRM_DEBUG_KMS("win: %d\n", win);
+	DRM_DEBUG_KMS("win: %d\n", plane->zpos);
 
 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))
 		return;
@@ -956,7 +958,7 @@ static void mixer_disable_plane(struct exynos_drm_crtc *crtc, unsigned int win)
 	spin_lock_irqsave(&res->reg_slock, flags);
 	mixer_vsync_set_update(mixer_ctx, false);
 
-	mixer_cfg_layer(mixer_ctx, win, false);
+	mixer_cfg_layer(mixer_ctx, plane->zpos, false);
 
 	mixer_vsync_set_update(mixer_ctx, true);
 	spin_unlock_irqrestore(&res->reg_slock, flags);
@@ -1053,7 +1055,7 @@ static void mixer_disable(struct exynos_drm_crtc *crtc)
 	mixer_regs_dump(ctx);
 
 	for (i = 0; i < MIXER_WIN_NR; i++)
-		mixer_disable_plane(crtc, i);
+		mixer_disable_plane(crtc, &ctx->planes[i]);
 
 	clear_bit(MXR_BIT_POWERED, &ctx->flags);