Merge branches '3.14/fbdev', '3.14/dss-misc' and '3.14/dss-fclk' into for-next

Merge fbdev topic branches

drivers/video/omap2/displays-new/panel-sony-acx565akm.c

@@ -346,28 +346,22 @@ static int acx565akm_get_actual_brightness(struct panel_drv_data *ddata)
 static int acx565akm_bl_update_status(struct backlight_device *dev)
 {
 	struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
-	int r;
 	int level;
 
 	dev_dbg(&ddata->spi->dev, "%s\n", __func__);
 
-	mutex_lock(&ddata->mutex);
-
 	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
 			dev->props.power == FB_BLANK_UNBLANK)
 		level = dev->props.brightness;
 	else
 		level = 0;
 
-	r = 0;
 	if (ddata->has_bc)
 		acx565akm_set_brightness(ddata, level);
 	else
-		r = -ENODEV;
-
-	mutex_unlock(&ddata->mutex);
+		return -ENODEV;
 
-	return r;
+	return 0;
 }
 
 static int acx565akm_bl_get_intensity(struct backlight_device *dev)
@@ -390,9 +384,33 @@ static int acx565akm_bl_get_intensity(struct backlight_device *dev)
 	return 0;
 }
 
+static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
+	int r;
+
+	mutex_lock(&ddata->mutex);
+	r = acx565akm_bl_update_status(dev);
+	mutex_unlock(&ddata->mutex);
+
+	return r;
+}
+
+static int acx565akm_bl_get_intensity_locked(struct backlight_device *dev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
+	int r;
+
+	mutex_lock(&ddata->mutex);
+	r = acx565akm_bl_get_intensity(dev);
+	mutex_unlock(&ddata->mutex);
+
+	return r;
+}
+
 static const struct backlight_ops acx565akm_bl_ops = {
-	.get_brightness = acx565akm_bl_get_intensity,
-	.update_status  = acx565akm_bl_update_status,
+	.get_brightness = acx565akm_bl_get_intensity_locked,
+	.update_status  = acx565akm_bl_update_status_locked,
 };
 
 /*--------------------Auto Brightness control via Sysfs---------------------*/
@@ -526,8 +544,6 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
 	struct omap_dss_device *in = ddata->in;
 	int r;
 
-	mutex_lock(&ddata->mutex);
-
 	dev_dbg(&ddata->spi->dev, "%s\n", __func__);
 
 	in->ops.sdi->set_timings(in, &ddata->videomode);
@@ -568,8 +584,6 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
 	set_display_state(ddata, 1);
 	set_cabc_mode(ddata, ddata->cabc_mode);
 
-	mutex_unlock(&ddata->mutex);
-
 	return acx565akm_bl_update_status(ddata->bl_dev);
 }
 
@@ -616,7 +630,9 @@ static int acx565akm_enable(struct omap_dss_device *dssdev)
 	if (omapdss_device_is_enabled(dssdev))
 		return 0;
 
+	mutex_lock(&ddata->mutex);
 	r = acx565akm_panel_power_on(dssdev);
+	mutex_unlock(&ddata->mutex);
 	if (r)
 		return r;
 

drivers/video/omap2/dss/apply.c

@@ -149,6 +149,9 @@ static void apply_init_priv(void)
 
 		op = &dss_data.ovl_priv_data_array[i];
 
+		op->info.color_mode = OMAP_DSS_COLOR_RGB16;
+		op->info.rotation_type = OMAP_DSS_ROT_DMA;
+
 		op->info.global_alpha = 255;
 
 		switch (i) {
@@ -629,7 +632,7 @@ static void dss_ovl_write_regs(struct omap_overlay *ovl)
 	struct mgr_priv_data *mp;
 	int r;
 
-	DSSDBG("writing ovl %d regs", ovl->id);
+	DSSDBG("writing ovl %d regs\n", ovl->id);
 
 	if (!op->enabled || !op->info_dirty)
 		return;
@@ -664,7 +667,7 @@ static void dss_ovl_write_regs_extra(struct omap_overlay *ovl)
 	struct ovl_priv_data *op = get_ovl_priv(ovl);
 	struct mgr_priv_data *mp;
 
-	DSSDBG("writing ovl %d regs extra", ovl->id);
+	DSSDBG("writing ovl %d regs extra\n", ovl->id);
 
 	if (!op->extra_info_dirty)
 		return;
@@ -687,7 +690,7 @@ static void dss_mgr_write_regs(struct omap_overlay_manager *mgr)
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 	struct omap_overlay *ovl;
 
-	DSSDBG("writing mgr %d regs", mgr->id);
+	DSSDBG("writing mgr %d regs\n", mgr->id);
 
 	if (!mp->enabled)
 		return;
@@ -713,7 +716,7 @@ static void dss_mgr_write_regs_extra(struct omap_overlay_manager *mgr)
 {
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 
-	DSSDBG("writing mgr %d regs extra", mgr->id);
+	DSSDBG("writing mgr %d regs extra\n", mgr->id);
 
 	if (!mp->extra_info_dirty)
 		return;

drivers/video/omap2/dss/dispc.c

@@ -90,6 +90,8 @@ struct dispc_features {
 
 	/* revert to the OMAP4 mechanism of DISPC Smart Standby operation */
 	bool mstandby_workaround:1;
+
+	bool set_max_preload:1;
 };
 
 #define DISPC_MAX_NR_FIFOS 5
@@ -1200,7 +1202,17 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high)
 	dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane),
 			FLD_VAL(high, hi_start, hi_end) |
 			FLD_VAL(low, lo_start, lo_end));
+
+	/*
+	 * configure the preload to the pipeline's high threhold, if HT it's too
+	 * large for the preload field, set the threshold to the maximum value
+	 * that can be held by the preload register
+	 */
+	if (dss_has_feature(FEAT_PRELOAD) && dispc.feat->set_max_preload &&
+			plane != OMAP_DSS_WB)
+		dispc_write_reg(DISPC_OVL_PRELOAD(plane), min(high, 0xfffu));
 }
+EXPORT_SYMBOL(dispc_ovl_set_fifo_threshold);
 
 void dispc_enable_fifomerge(bool enable)
 {
@@ -1259,6 +1271,7 @@ void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
 		*fifo_high = total_fifo_size - buf_unit;
 	}
 }
+EXPORT_SYMBOL(dispc_ovl_compute_fifo_thresholds);
 
 static void dispc_ovl_set_fir(enum omap_plane plane,
 				int hinc, int vinc,
@@ -1988,7 +2001,8 @@ static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
  */
 static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
 		const struct omap_video_timings *t, u16 pos_x,
-		u16 width, u16 height, u16 out_width, u16 out_height)
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		bool five_taps)
 {
 	const int ds = DIV_ROUND_UP(height, out_height);
 	unsigned long nonactive;
@@ -2008,6 +2022,10 @@ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
 	if (blank <= limits[i])
 		return -EINVAL;
 
+	/* FIXME add checks for 3-tap filter once the limitations are known */
+	if (!five_taps)
+		return 0;
+
 	/*
 	 * Pixel data should be prepared before visible display point starts.
 	 * So, atleast DS-2 lines must have already been fetched by DISPC
@@ -2183,22 +2201,30 @@ static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
 	do {
 		in_height = DIV_ROUND_UP(height, *decim_y);
 		in_width = DIV_ROUND_UP(width, *decim_x);
-		*core_clk = calc_core_clk_five_taps(pclk, mgr_timings,
-			in_width, in_height, out_width, out_height, color_mode);
-
-		error = check_horiz_timing_omap3(pclk, lclk, mgr_timings,
-				pos_x, in_width, in_height, out_width,
-				out_height);
+		*five_taps = in_height > out_height;
 
 		if (in_width > maxsinglelinewidth)
 			if (in_height > out_height &&
 						in_height < out_height * 2)
 				*five_taps = false;
-		if (!*five_taps)
+again:
+		if (*five_taps)
+			*core_clk = calc_core_clk_five_taps(pclk, mgr_timings,
+						in_width, in_height, out_width,
+						out_height, color_mode);
+		else
 			*core_clk = dispc.feat->calc_core_clk(pclk, in_width,
 					in_height, out_width, out_height,
 					mem_to_mem);
 
+		error = check_horiz_timing_omap3(pclk, lclk, mgr_timings,
+				pos_x, in_width, in_height, out_width,
+				out_height, *five_taps);
+		if (error && *five_taps) {
+			*five_taps = false;
+			goto again;
+		}
+
 		error = (error || in_width > maxsinglelinewidth * 2 ||
 			(in_width > maxsinglelinewidth && *five_taps) ||
 			!*core_clk || *core_clk > dispc_core_clk_rate());
@@ -2215,7 +2241,7 @@ static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
 	} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
 
 	if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, width,
-				height, out_width, out_height)){
+				height, out_width, out_height, *five_taps)) {
 			DSSERR("horizontal timing too tight\n");
 			return -EINVAL;
 	}
@@ -3211,6 +3237,8 @@ static void dispc_dump_regs(struct seq_file *s)
 		DUMPREG(DISPC_CONTROL3);
 		DUMPREG(DISPC_CONFIG3);
 	}
+	if (dss_has_feature(FEAT_MFLAG))
+		DUMPREG(DISPC_GLOBAL_MFLAG_ATTRIBUTE);
 
 #undef DUMPREG
 
@@ -3285,6 +3313,8 @@ static void dispc_dump_regs(struct seq_file *s)
 			DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
 		if (dss_has_feature(FEAT_PRELOAD))
 			DUMPREG(i, DISPC_OVL_PRELOAD);
+		if (dss_has_feature(FEAT_MFLAG))
+			DUMPREG(i, DISPC_OVL_MFLAG_THRESHOLD);
 	}
 
 #undef DISPC_REG
@@ -3520,6 +3550,7 @@ static const struct dispc_features omap24xx_dispc_feats __initconst = {
 	.calc_core_clk		=	calc_core_clk_24xx,
 	.num_fifos		=	3,
 	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
 };
 
 static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = {
@@ -3539,6 +3570,7 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = {
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
 	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
 };
 
 static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = {
@@ -3558,6 +3590,7 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = {
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
 	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
 };
 
 static const struct dispc_features omap44xx_dispc_feats __initconst = {
@@ -3577,6 +3610,7 @@ static const struct dispc_features omap44xx_dispc_feats __initconst = {
 	.calc_core_clk		=	calc_core_clk_44xx,
 	.num_fifos		=	5,
 	.gfx_fifo_workaround	=	true,
+	.set_max_preload	=	true,
 };
 
 static const struct dispc_features omap54xx_dispc_feats __initconst = {
@@ -3597,6 +3631,7 @@ static const struct dispc_features omap54xx_dispc_feats __initconst = {
 	.num_fifos		=	5,
 	.gfx_fifo_workaround	=	true,
 	.mstandby_workaround	=	true,
+	.set_max_preload	=	true,
 };
 
 static int __init dispc_init_features(struct platform_device *pdev)
@@ -3734,6 +3769,8 @@ static int dispc_runtime_suspend(struct device *dev)
 
 static int dispc_runtime_resume(struct device *dev)
 {
+	_omap_dispc_initial_config();
+
 	dispc_restore_context();
 
 	return 0;

drivers/video/omap2/dss/dispc.h

@@ -40,6 +40,7 @@
 #define DISPC_CONTROL3                  0x0848
 #define DISPC_CONFIG3                   0x084C
 #define DISPC_MSTANDBY_CTRL		0x0858
+#define DISPC_GLOBAL_MFLAG_ATTRIBUTE	0x085C
 
 /* DISPC overlay registers */
 #define DISPC_OVL_BA0(n)		(DISPC_OVL_BASE(n) + \
@@ -100,6 +101,8 @@
 					DISPC_FIR_COEF_V2_OFFSET(n, i))
 #define DISPC_OVL_PRELOAD(n)		(DISPC_OVL_BASE(n) + \
 					DISPC_PRELOAD_OFFSET(n))
+#define DISPC_OVL_MFLAG_THRESHOLD(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_MFLAG_THRESHOLD_OFFSET(n))
 
 /* DISPC up/downsampling FIR filter coefficient structure */
 struct dispc_coef {
@@ -894,4 +897,21 @@ static inline u16 DISPC_PRELOAD_OFFSET(enum omap_plane plane)
 		return 0;
 	}
 }
+
+static inline u16 DISPC_MFLAG_THRESHOLD_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0860;
+	case OMAP_DSS_VIDEO1:
+		return 0x0864;
+	case OMAP_DSS_VIDEO2:
+		return 0x0868;
+	case OMAP_DSS_VIDEO3:
+		return 0x086c;
+	default:
+		BUG();
+		return 0;
+	}
+}
 #endif

drivers/video/omap2/dss/display-sysfs.c

@@ -277,7 +277,7 @@ static ssize_t display_wss_store(struct device *dev,
 	return size;
 }
 
-static DEVICE_ATTR(name, S_IRUGO, display_name_show, NULL);
+static DEVICE_ATTR(display_name, S_IRUGO, display_name_show, NULL);
 static DEVICE_ATTR(enabled, S_IRUGO|S_IWUSR,
 		display_enabled_show, display_enabled_store);
 static DEVICE_ATTR(tear_elim, S_IRUGO|S_IWUSR,
@@ -292,7 +292,7 @@ static DEVICE_ATTR(wss, S_IRUGO|S_IWUSR,
 		display_wss_show, display_wss_store);
 
 static const struct attribute *display_sysfs_attrs[] = {
-	&dev_attr_name.attr,
+	&dev_attr_display_name.attr,
 	&dev_attr_enabled.attr,
 	&dev_attr_tear_elim.attr,
 	&dev_attr_timings.attr,

drivers/video/omap2/dss/dpi.c

@@ -117,7 +117,7 @@ struct dpi_clk_calc_ctx {
 	/* outputs */
 
 	struct dsi_clock_info dsi_cinfo;
-	struct dss_clock_info dss_cinfo;
+	unsigned long long fck;
 	struct dispc_clock_info dispc_cinfo;
 };
 
@@ -184,12 +184,11 @@ static bool dpi_calc_pll_cb(int regn, int regm, unsigned long fint,
 			dpi_calc_hsdiv_cb, ctx);
 }
 
-static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data)
+static bool dpi_calc_dss_cb(unsigned long fck, void *data)
 {
 	struct dpi_clk_calc_ctx *ctx = data;
 
-	ctx->dss_cinfo.fck = fck;
-	ctx->dss_cinfo.fck_div = fckd;
+	ctx->fck = fck;
 
 	return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
 			dpi_calc_dispc_cb, ctx);
@@ -237,7 +236,7 @@ static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
 			ctx->pck_min = 0;
 		ctx->pck_max = pck + 1000 * i * i * i;
 
-		ok = dss_div_calc(ctx->pck_min, dpi_calc_dss_cb, ctx);
+		ok = dss_div_calc(pck, ctx->pck_min, dpi_calc_dss_cb, ctx);
 		if (ok)
 			return ok;
 	}
@@ -286,13 +285,13 @@ static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck,
 	if (!ok)
 		return -EINVAL;
 
-	r = dss_set_clock_div(&ctx.dss_cinfo);
+	r = dss_set_fck_rate(ctx.fck);
 	if (r)
 		return r;
 
 	dpi.mgr_config.clock_info = ctx.dispc_cinfo;
 
-	*fck = ctx.dss_cinfo.fck;
+	*fck = ctx.fck;
 	*lck_div = ctx.dispc_cinfo.lck_div;
 	*pck_div = ctx.dispc_cinfo.pck_div;
 
@@ -495,7 +494,7 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
 		if (!ok)
 			return -EINVAL;
 
-		fck = ctx.dss_cinfo.fck;
+		fck = ctx.fck;
 	}
 
 	lck_div = ctx.dispc_cinfo.lck_div;
@@ -551,7 +550,8 @@ static int dpi_init_regulator(void)
 
 	vdds_dsi = devm_regulator_get(&dpi.pdev->dev, "vdds_dsi");
 	if (IS_ERR(vdds_dsi)) {
-		DSSERR("can't get VDDS_DSI regulator\n");
+		if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
+			DSSERR("can't get VDDS_DSI regulator\n");
 		return PTR_ERR(vdds_dsi);
 	}
 

drivers/video/omap2/dss/dss.c

@@ -67,7 +67,7 @@ static void dss_runtime_put(void);
 struct dss_features {
 	u8 fck_div_max;
 	u8 dss_fck_multiplier;
-	const char *clk_name;
+	const char *parent_clk_name;
 	int (*dpi_select_source)(enum omap_channel channel);
 };
 
@@ -75,13 +75,12 @@ static struct {
 	struct platform_device *pdev;
 	void __iomem    *base;
 
-	struct clk	*dpll4_m4_ck;
+	struct clk	*parent_clk;
 	struct clk	*dss_clk;
 	unsigned long	dss_clk_rate;
 
 	unsigned long	cache_req_pck;
 	unsigned long	cache_prate;
-	struct dss_clock_info cache_dss_cinfo;
 	struct dispc_clock_info cache_dispc_cinfo;
 
 	enum omap_dss_clk_source dsi_clk_source[MAX_NUM_DSI];
@@ -265,8 +264,6 @@ const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src)
 
 void dss_dump_clocks(struct seq_file *s)
 {
-	unsigned long dpll4_ck_rate;
-	unsigned long dpll4_m4_ck_rate;
 	const char *fclk_name, *fclk_real_name;
 	unsigned long fclk_rate;
 
@@ -279,21 +276,9 @@ void dss_dump_clocks(struct seq_file *s)
 	fclk_real_name = dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_FCK);
 	fclk_rate = clk_get_rate(dss.dss_clk);
 
-	if (dss.dpll4_m4_ck) {
-		dpll4_ck_rate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-		dpll4_m4_ck_rate = clk_get_rate(dss.dpll4_m4_ck);
-
-		seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
-
-		seq_printf(s, "%s (%s) = %lu / %lu * %d  = %lu\n",
-				fclk_name, fclk_real_name, dpll4_ck_rate,
-				dpll4_ck_rate / dpll4_m4_ck_rate,
-				dss.feat->dss_fck_multiplier, fclk_rate);
-	} else {
-		seq_printf(s, "%s (%s) = %lu\n",
-				fclk_name, fclk_real_name,
-				fclk_rate);
-	}
+	seq_printf(s, "%s (%s) = %lu\n",
+			fclk_name, fclk_real_name,
+			fclk_rate);
 
 	dss_runtime_put();
 }
@@ -451,30 +436,8 @@ enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
 	}
 }
 
-/* calculate clock rates using dividers in cinfo */
-int dss_calc_clock_rates(struct dss_clock_info *cinfo)
-{
-	if (dss.dpll4_m4_ck) {
-		unsigned long prate;
-
-		if (cinfo->fck_div > dss.feat->fck_div_max ||
-				cinfo->fck_div == 0)
-			return -EINVAL;
-
-		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-
-		cinfo->fck = prate / cinfo->fck_div *
-			dss.feat->dss_fck_multiplier;
-	} else {
-		if (cinfo->fck_div != 0)
-			return -EINVAL;
-		cinfo->fck = clk_get_rate(dss.dss_clk);
-	}
-
-	return 0;
-}
-
-bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data)
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+		dss_div_calc_func func, void *data)
 {
 	int fckd, fckd_start, fckd_stop;
 	unsigned long fck;
@@ -483,22 +446,24 @@ bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data)
 	unsigned long prate;
 	unsigned m;
 
-	if (dss.dpll4_m4_ck == NULL) {
-		/*
-		 * TODO: dss1_fclk can be changed on OMAP2, but the available
-		 * dividers are not continuous. We just use the pre-set rate for
-		 * now.
-		 */
-		fck = clk_get_rate(dss.dss_clk);
-		fckd = 1;
-		return func(fckd, fck, data);
+	fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	if (dss.parent_clk == NULL) {
+		unsigned pckd;
+
+		pckd = fck_hw_max / pck;
+
+		fck = pck * pckd;
+
+		fck = clk_round_rate(dss.dss_clk, fck);
+
+		return func(fck, data);
 	}
 
-	fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
 	fckd_hw_max = dss.feat->fck_div_max;
 
 	m = dss.feat->dss_fck_multiplier;
-	prate = dss_get_dpll4_rate();
+	prate = clk_get_rate(dss.parent_clk);
 
 	fck_min = fck_min ? fck_min : 1;
 
@@ -508,50 +473,32 @@ bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data)
 	for (fckd = fckd_start; fckd >= fckd_stop; --fckd) {
 		fck = prate / fckd * m;
 
-		if (func(fckd, fck, data))
+		if (func(fck, data))
 			return true;
 	}
 
 	return false;
 }
 
-int dss_set_clock_div(struct dss_clock_info *cinfo)
+int dss_set_fck_rate(unsigned long rate)
 {
-	if (dss.dpll4_m4_ck) {
-		unsigned long prate;
-		int r;
+	int r;
 
-		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-		DSSDBG("dpll4_m4 = %ld\n", prate);
+	DSSDBG("set fck to %lu\n", rate);
 
-		r = clk_set_rate(dss.dpll4_m4_ck,
-				DIV_ROUND_UP(prate, cinfo->fck_div));
-		if (r)
-			return r;
-	} else {
-		if (cinfo->fck_div != 0)
-			return -EINVAL;
-	}
+	r = clk_set_rate(dss.dss_clk, rate);
+	if (r)
+		return r;
 
 	dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
 
-	WARN_ONCE(dss.dss_clk_rate != cinfo->fck,
+	WARN_ONCE(dss.dss_clk_rate != rate,
 			"clk rate mismatch: %lu != %lu", dss.dss_clk_rate,
-			cinfo->fck);
-
-	DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div);
+			rate);
 
 	return 0;
 }
 
-unsigned long dss_get_dpll4_rate(void)
-{
-	if (dss.dpll4_m4_ck)
-		return clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-	else
-		return 0;
-}
-
 unsigned long dss_get_dispc_clk_rate(void)
 {
 	return dss.dss_clk_rate;
@@ -560,27 +507,23 @@ unsigned long dss_get_dispc_clk_rate(void)
 static int dss_setup_default_clock(void)
 {
 	unsigned long max_dss_fck, prate;
+	unsigned long fck;
 	unsigned fck_div;
-	struct dss_clock_info dss_cinfo = { 0 };
 	int r;
 
-	if (dss.dpll4_m4_ck == NULL)
-		return 0;
-
 	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
 
-	prate = dss_get_dpll4_rate();
-
-	fck_div = DIV_ROUND_UP(prate * dss.feat->dss_fck_multiplier,
-			max_dss_fck);
-
-	dss_cinfo.fck_div = fck_div;
+	if (dss.parent_clk == NULL) {
+		fck = clk_round_rate(dss.dss_clk, max_dss_fck);
+	} else {
+		prate = clk_get_rate(dss.parent_clk);
 
-	r = dss_calc_clock_rates(&dss_cinfo);
-	if (r)
-		return r;
+		fck_div = DIV_ROUND_UP(prate * dss.feat->dss_fck_multiplier,
+				max_dss_fck);
+		fck = prate / fck_div * dss.feat->dss_fck_multiplier;
+	}
 
-	r = dss_set_clock_div(&dss_cinfo);
+	r = dss_set_fck_rate(fck);
 	if (r)
 		return r;
 
@@ -706,25 +649,25 @@ static int dss_get_clocks(void)
 
 	dss.dss_clk = clk;
 
-	if (dss.feat->clk_name) {
-		clk = clk_get(NULL, dss.feat->clk_name);
+	if (dss.feat->parent_clk_name) {
+		clk = clk_get(NULL, dss.feat->parent_clk_name);
 		if (IS_ERR(clk)) {
-			DSSERR("Failed to get %s\n", dss.feat->clk_name);
+			DSSERR("Failed to get %s\n", dss.feat->parent_clk_name);
 			return PTR_ERR(clk);
 		}
 	} else {
 		clk = NULL;
 	}
 
-	dss.dpll4_m4_ck = clk;
+	dss.parent_clk = clk;
 
 	return 0;
 }
 
 static void dss_put_clocks(void)
 {
-	if (dss.dpll4_m4_ck)
-		clk_put(dss.dpll4_m4_ck);
+	if (dss.parent_clk)
+		clk_put(dss.parent_clk);
 }
 
 static int dss_runtime_get(void)
@@ -761,37 +704,41 @@ void dss_debug_dump_clocks(struct seq_file *s)
 #endif
 
 static const struct dss_features omap24xx_dss_feats __initconst = {
-	.fck_div_max		=	16,
+	/*
+	 * fck div max is really 16, but the divider range has gaps. The range
+	 * from 1 to 6 has no gaps, so let's use that as a max.
+	 */
+	.fck_div_max		=	6,
 	.dss_fck_multiplier	=	2,
-	.clk_name		=	NULL,
+	.parent_clk_name	=	"core_ck",
 	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 };
 
 static const struct dss_features omap34xx_dss_feats __initconst = {
 	.fck_div_max		=	16,
 	.dss_fck_multiplier	=	2,
-	.clk_name		=	"dpll4_m4_ck",
+	.parent_clk_name	=	"dpll4_ck",
 	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 };
 
 static const struct dss_features omap3630_dss_feats __initconst = {
 	.fck_div_max		=	32,
 	.dss_fck_multiplier	=	1,
-	.clk_name		=	"dpll4_m4_ck",
+	.parent_clk_name	=	"dpll4_ck",
 	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 };
 
 static const struct dss_features omap44xx_dss_feats __initconst = {
 	.fck_div_max		=	32,
 	.dss_fck_multiplier	=	1,
-	.clk_name		=	"dpll_per_m5x2_ck",
+	.parent_clk_name	=	"dpll_per_x2_ck",
 	.dpi_select_source	=	&dss_dpi_select_source_omap4,
 };
 
 static const struct dss_features omap54xx_dss_feats __initconst = {
 	.fck_div_max		=	64,
 	.dss_fck_multiplier	=	1,
-	.clk_name		=	"dpll_per_h12x2_ck",
+	.parent_clk_name	=	"dpll_per_x2_ck",
 	.dpi_select_source	=	&dss_dpi_select_source_omap5,
 };
 

drivers/video/omap2/dss/dss.h

@@ -100,14 +100,6 @@ enum dss_writeback_channel {
 	DSS_WB_LCD3_MGR =	7,
 };
 
-struct dss_clock_info {
-	/* rates that we get with dividers below */
-	unsigned long fck;
-
-	/* dividers */
-	u16 fck_div;
-};
-
 struct dispc_clock_info {
 	/* rates that we get with dividers below */
 	unsigned long lck;
@@ -250,12 +242,11 @@ enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel);
 void dss_set_venc_output(enum omap_dss_venc_type type);
 void dss_set_dac_pwrdn_bgz(bool enable);
 
-unsigned long dss_get_dpll4_rate(void);
-int dss_calc_clock_rates(struct dss_clock_info *cinfo);
-int dss_set_clock_div(struct dss_clock_info *cinfo);
+int dss_set_fck_rate(unsigned long rate);
 
-typedef bool (*dss_div_calc_func)(int fckd, unsigned long fck, void *data);
-bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data);
+typedef bool (*dss_div_calc_func)(unsigned long fck, void *data);
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+		dss_div_calc_func func, void *data);
 
 /* SDI */
 int sdi_init_platform_driver(void) __init;

drivers/video/omap2/dss/dss_features.c

@@ -613,6 +613,7 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
 	FEAT_DSI_PLL_SELFREQDCO,
 	FEAT_DSI_PLL_REFSEL,
 	FEAT_DSI_PHY_DCC,
+	FEAT_MFLAG,
 };
 
 /* OMAP2 DSS Features */

drivers/video/omap2/dss/dss_features.h

@@ -64,6 +64,7 @@ enum dss_feat_id {
 	FEAT_DSI_PLL_SELFREQDCO,
 	FEAT_DSI_PLL_REFSEL,
 	FEAT_DSI_PHY_DCC,
+	FEAT_MFLAG,
 };
 
 /* DSS register field id */

drivers/video/omap2/dss/hdmi.h

@@ -41,14 +41,14 @@
 #define HDMI_WP_VIDEO_SIZE			0x60
 #define HDMI_WP_VIDEO_TIMING_H			0x68
 #define HDMI_WP_VIDEO_TIMING_V			0x6C
-#define HDMI_WP_WP_CLK				0x70
+#define HDMI_WP_CLK				0x70
 #define HDMI_WP_AUDIO_CFG			0x80
 #define HDMI_WP_AUDIO_CFG2			0x84
 #define HDMI_WP_AUDIO_CTRL			0x88
 #define HDMI_WP_AUDIO_DATA			0x8C
 
 /* HDMI WP IRQ flags */
-
+#define HDMI_IRQ_CORE				(1 << 0)
 #define HDMI_IRQ_OCP_TIMEOUT			(1 << 4)
 #define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW		(1 << 8)
 #define HDMI_IRQ_AUDIO_FIFO_OVERFLOW		(1 << 9)
@@ -378,15 +378,15 @@ static inline u32 hdmi_read_reg(void __iomem *base_addr, const u16 idx)
 	FLD_GET(hdmi_read_reg(base, idx), start, end)
 
 static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
-		const u16 idx, int b2, int b1, u32 val)
+		const u32 idx, int b2, int b1, u32 val)
 {
-	u32 t = 0;
-	while (val != REG_GET(base_addr, idx, b2, b1)) {
-		udelay(1);
+	u32 t = 0, v;
+	while (val != (v = REG_GET(base_addr, idx, b2, b1))) {
 		if (t++ > 10000)
-			return !val;
+			return v;
+		udelay(1);
 	}
-	return val;
+	return v;
 }
 
 /* HDMI wrapper funcs */

drivers/video/omap2/dss/hdmi4.c

@@ -95,7 +95,8 @@ static int hdmi_init_regulator(void)
 		reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC");
 
 	if (IS_ERR(reg)) {
-		DSSERR("can't get VDDA_HDMI_DAC regulator\n");
+		if (PTR_ERR(reg) != -EPROBE_DEFER)
+			DSSERR("can't get VDDA_HDMI_DAC regulator\n");
 		return PTR_ERR(reg);
 	}
 
@@ -148,8 +149,6 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 	if (r)
 		return r;
 
-	dss_mgr_disable(mgr);
-
 	p = &hdmi.cfg.timings;
 
 	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
@@ -158,8 +157,6 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 
 	hdmi_pll_compute(&hdmi.pll, clk_get_rate(hdmi.sys_clk), phy);
 
-	hdmi_wp_video_stop(&hdmi.wp);
-
 	/* config the PLL and PHY hdmi_set_pll_pwrfirst */
 	r = hdmi_pll_enable(&hdmi.pll, &hdmi.wp);
 	if (r) {
@@ -218,14 +215,12 @@ static void hdmi_power_off_full(struct omap_dss_device *dssdev)
 static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
 					struct omap_video_timings *timings)
 {
-	struct hdmi_cm cm;
+	struct omap_dss_device *out = &hdmi.output;
 
-	cm = hdmi_get_code(timings);
-	if (cm.code == -1)
+	if (!dispc_mgr_timings_ok(out->dispc_channel, timings))
 		return -EINVAL;
 
 	return 0;
-
 }
 
 static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
@@ -244,8 +239,17 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
 		hdmi.cfg = *t;
 
 		dispc_set_tv_pclk(t->timings.pixel_clock * 1000);
+	} else {
+		hdmi.cfg.timings = *timings;
+		hdmi.cfg.cm.code = 0;
+		hdmi.cfg.cm.mode = HDMI_DVI;
+
+		dispc_set_tv_pclk(timings->pixel_clock * 1000);
 	}
 
+	DSSDBG("using mode: %s, code %d\n", hdmi.cfg.cm.mode == HDMI_DVI ?
+			"DVI" : "HDMI", hdmi.cfg.cm.code);
+
 	mutex_unlock(&hdmi.lock);
 }
 

drivers/video/omap2/dss/hdmi4_core.c

@@ -19,6 +19,8 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define DSS_SUBSYS_NAME "HDMICORE"
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/err.h>
@@ -125,12 +127,12 @@ static int hdmi_core_ddc_edid(struct hdmi_core_data *core,
 
 	/* HDMI_CORE_DDC_STATUS_BUS_LOW */
 	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 6, 6) == 1) {
-		pr_err("I2C Bus Low?\n");
+		DSSERR("I2C Bus Low?\n");
 		return -EIO;
 	}
 	/* HDMI_CORE_DDC_STATUS_NO_ACK */
 	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 5, 5) == 1) {
-		pr_err("I2C No Ack\n");
+		DSSERR("I2C No Ack\n");
 		return -EIO;
 	}
 
@@ -161,7 +163,7 @@ static int hdmi_core_ddc_edid(struct hdmi_core_data *core,
 		checksum += pedid[i];
 
 	if (checksum != 0) {
-		pr_err("E-EDID checksum failed!!\n");
+		DSSERR("E-EDID checksum failed!!\n");
 		return -EIO;
 	}
 
@@ -199,7 +201,7 @@ static void hdmi_core_init(struct hdmi_core_video_config *video_cfg,
 			struct hdmi_core_infoframe_avi *avi_cfg,
 			struct hdmi_core_packet_enable_repeat *repeat_cfg)
 {
-	pr_debug("Enter hdmi_core_init\n");
+	DSSDBG("Enter hdmi_core_init\n");
 
 	/* video core */
 	video_cfg->ip_bus_width = HDMI_INPUT_8BIT;
@@ -241,19 +243,19 @@ static void hdmi_core_init(struct hdmi_core_video_config *video_cfg,
 
 static void hdmi_core_powerdown_disable(struct hdmi_core_data *core)
 {
-	pr_debug("Enter hdmi_core_powerdown_disable\n");
+	DSSDBG("Enter hdmi_core_powerdown_disable\n");
 	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SYS_CTRL1, 0x0, 0, 0);
 }
 
 static void hdmi_core_swreset_release(struct hdmi_core_data *core)
 {
-	pr_debug("Enter hdmi_core_swreset_release\n");
+	DSSDBG("Enter hdmi_core_swreset_release\n");
 	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x0, 0, 0);
 }
 
 static void hdmi_core_swreset_assert(struct hdmi_core_data *core)
 {
-	pr_debug("Enter hdmi_core_swreset_assert\n");
+	DSSDBG("Enter hdmi_core_swreset_assert\n");
 	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x1, 0, 0);
 }
 
@@ -1004,7 +1006,7 @@ int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
 	struct resource *res;
 	struct resource temp_res;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi_core");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core");
 	if (!res) {
 		DSSDBG("can't get CORE mem resource by name\n");
 		/*

drivers/video/omap2/dss/hdmi_common.c

@@ -13,6 +13,8 @@
  * map it to corresponding CEA or VESA index.
  */
 
+#define DSS_SUBSYS_NAME "HDMI"
+
 #include <linux/kernel.h>
 #include <linux/err.h>
 #include <video/omapdss.h>

drivers/video/omap2/dss/hdmi_phy.c

@@ -124,7 +124,7 @@ int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy)
 	struct resource *res;
 	struct resource temp_res;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi_txphy");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy");
 	if (!res) {
 		DSSDBG("can't get PHY mem resource by name\n");
 		/*

drivers/video/omap2/dss/hdmi_pll.c

@@ -8,6 +8,8 @@
  * the Free Software Foundation.
  */
 
+#define DSS_SUBSYS_NAME "HDMIPLL"
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/err.h>
@@ -127,24 +129,24 @@ static int hdmi_pll_config(struct hdmi_pll_data *pll)
 	/* wait for bit change */
 	if (hdmi_wait_for_bit_change(pll->base, PLLCTRL_PLL_GO,
 			0, 0, 1) != 1) {
-		pr_err("PLL GO bit not set\n");
+		DSSERR("PLL GO bit not set\n");
 		return -ETIMEDOUT;
 	}
 
 	/* Wait till the lock bit is set in PLL status */
 	if (hdmi_wait_for_bit_change(pll->base,
 			PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) {
-		pr_err("cannot lock PLL\n");
-		pr_err("CFG1 0x%x\n",
+		DSSERR("cannot lock PLL\n");
+		DSSERR("CFG1 0x%x\n",
 			hdmi_read_reg(pll->base, PLLCTRL_CFG1));
-		pr_err("CFG2 0x%x\n",
+		DSSERR("CFG2 0x%x\n",
 			hdmi_read_reg(pll->base, PLLCTRL_CFG2));
-		pr_err("CFG4 0x%x\n",
+		DSSERR("CFG4 0x%x\n",
 			hdmi_read_reg(pll->base, PLLCTRL_CFG4));
 		return -ETIMEDOUT;
 	}
 
-	pr_debug("PLL locked!\n");
+	DSSDBG("PLL locked!\n");
 
 	return 0;
 }
@@ -157,7 +159,7 @@ static int hdmi_pll_reset(struct hdmi_pll_data *pll)
 	/* READ 0x0 reset is in progress */
 	if (hdmi_wait_for_bit_change(pll->base, PLLCTRL_PLL_STATUS, 0, 0, 1)
 			!= 1) {
-		pr_err("Failed to sysreset PLL\n");
+		DSSERR("Failed to sysreset PLL\n");
 		return -ETIMEDOUT;
 	}
 
@@ -200,7 +202,7 @@ int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll)
 	struct resource *res;
 	struct resource temp_res;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi_pllctrl");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pll");
 	if (!res) {
 		DSSDBG("can't get PLL mem resource by name\n");
 		/*

drivers/video/omap2/dss/hdmi_wp.c

@@ -8,6 +8,8 @@
  * the Free Software Foundation.
  */
 
+#define DSS_SUBSYS_NAME "HDMIWP"
+
 #include <linux/kernel.h>
 #include <linux/err.h>
 #include <linux/io.h>
@@ -34,7 +36,7 @@ void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s)
 	DUMPREG(HDMI_WP_VIDEO_SIZE);
 	DUMPREG(HDMI_WP_VIDEO_TIMING_H);
 	DUMPREG(HDMI_WP_VIDEO_TIMING_V);
-	DUMPREG(HDMI_WP_WP_CLK);
+	DUMPREG(HDMI_WP_CLK);
 	DUMPREG(HDMI_WP_AUDIO_CFG);
 	DUMPREG(HDMI_WP_AUDIO_CFG2);
 	DUMPREG(HDMI_WP_AUDIO_CTRL);
@@ -76,7 +78,7 @@ int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val)
 	/* Status of the power control of HDMI PHY */
 	if (hdmi_wait_for_bit_change(wp->base, HDMI_WP_PWR_CTRL, 5, 4, val)
 			!= val) {
-		pr_err("Failed to set PHY power mode to %d\n", val);
+		DSSERR("Failed to set PHY power mode to %d\n", val);
 		return -ETIMEDOUT;
 	}
 
@@ -92,7 +94,7 @@ int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val)
 	/* wait till PHY_PWR_STATUS is set */
 	if (hdmi_wait_for_bit_change(wp->base, HDMI_WP_PWR_CTRL, 1, 0, val)
 			!= val) {
-		pr_err("Failed to set PLL_PWR_STATUS\n");
+		DSSERR("Failed to set PLL_PWR_STATUS\n");
 		return -ETIMEDOUT;
 	}
 
@@ -129,7 +131,7 @@ void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
 {
 	u32 r;
 	bool vsync_pol, hsync_pol;
-	pr_debug("Enter hdmi_wp_video_config_interface\n");
+	DSSDBG("Enter hdmi_wp_video_config_interface\n");
 
 	vsync_pol = timings->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
 	hsync_pol = timings->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
@@ -148,7 +150,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
 	u32 timing_h = 0;
 	u32 timing_v = 0;
 
-	pr_debug("Enter hdmi_wp_video_config_timing\n");
+	DSSDBG("Enter hdmi_wp_video_config_timing\n");
 
 	timing_h |= FLD_VAL(timings->hbp, 31, 20);
 	timing_h |= FLD_VAL(timings->hfp, 19, 8);
@@ -164,7 +166,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
 void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
 		struct omap_video_timings *timings, struct hdmi_config *param)
 {
-	pr_debug("Enter hdmi_wp_video_init_format\n");
+	DSSDBG("Enter hdmi_wp_video_init_format\n");
 
 	video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444;
 	video_fmt->y_res = param->timings.y_res;
@@ -241,7 +243,7 @@ int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp)
 	struct resource *res;
 	struct resource temp_res;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi_wp");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wp");
 	if (!res) {
 		DSSDBG("can't get WP mem resource by name\n");
 		/*

drivers/video/omap2/dss/overlay.c

@@ -113,11 +113,6 @@ void dss_uninit_overlays(struct platform_device *pdev)
 int dss_ovl_simple_check(struct omap_overlay *ovl,
 		const struct omap_overlay_info *info)
 {
-	if (info->paddr == 0) {
-		DSSERR("check_overlay: paddr cannot be 0\n");
-		return -EINVAL;
-	}
-
 	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
 		if (info->out_width != 0 && info->width != info->out_width) {
 			DSSERR("check_overlay: overlay %d doesn't support "

drivers/video/omap2/dss/sdi.c

@@ -46,7 +46,7 @@ static struct {
 struct sdi_clk_calc_ctx {
 	unsigned long pck_min, pck_max;
 
-	struct dss_clock_info dss_cinfo;
+	unsigned long long fck;
 	struct dispc_clock_info dispc_cinfo;
 };
 
@@ -63,19 +63,18 @@ static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
 	return true;
 }
 
-static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data)
+static bool dpi_calc_dss_cb(unsigned long fck, void *data)
 {
 	struct sdi_clk_calc_ctx *ctx = data;
 
-	ctx->dss_cinfo.fck = fck;
-	ctx->dss_cinfo.fck_div = fckd;
+	ctx->fck = fck;
 
 	return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
 			dpi_calc_dispc_cb, ctx);
 }
 
 static int sdi_calc_clock_div(unsigned long pclk,
-		struct dss_clock_info *dss_cinfo,
+		unsigned long *fck,
 		struct dispc_clock_info *dispc_cinfo)
 {
 	int i;
@@ -98,9 +97,9 @@ static int sdi_calc_clock_div(unsigned long pclk,
 			ctx.pck_min = 0;
 		ctx.pck_max = pclk + 1000 * i * i * i;
 
-		ok = dss_div_calc(ctx.pck_min, dpi_calc_dss_cb, &ctx);
+		ok = dss_div_calc(pclk, ctx.pck_min, dpi_calc_dss_cb, &ctx);
 		if (ok) {
-			*dss_cinfo = ctx.dss_cinfo;
+			*fck = ctx.fck;
 			*dispc_cinfo = ctx.dispc_cinfo;
 			return 0;
 		}
@@ -128,7 +127,7 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
 {
 	struct omap_dss_device *out = &sdi.output;
 	struct omap_video_timings *t = &sdi.timings;
-	struct dss_clock_info dss_cinfo;
+	unsigned long fck;
 	struct dispc_clock_info dispc_cinfo;
 	unsigned long pck;
 	int r;
@@ -150,13 +149,13 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
 	t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 	t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 
-	r = sdi_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo);
+	r = sdi_calc_clock_div(t->pixel_clock * 1000, &fck, &dispc_cinfo);
 	if (r)
 		goto err_calc_clock_div;
 
 	sdi.mgr_config.clock_info = dispc_cinfo;
 
-	pck = dss_cinfo.fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div / 1000;
+	pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div / 1000;
 
 	if (pck != t->pixel_clock) {
 		DSSWARN("Could not find exact pixel clock. Requested %d kHz, "
@@ -169,7 +168,7 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
 
 	dss_mgr_set_timings(out->manager, t);
 
-	r = dss_set_clock_div(&dss_cinfo);
+	r = dss_set_fck_rate(fck);
 	if (r)
 		goto err_set_dss_clock_div;
 
@@ -265,7 +264,8 @@ static int sdi_init_regulator(void)
 
 	vdds_sdi = devm_regulator_get(&sdi.pdev->dev, "vdds_sdi");
 	if (IS_ERR(vdds_sdi)) {
-		DSSERR("can't get VDDS_SDI regulator\n");
+		if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER)
+			DSSERR("can't get VDDS_SDI regulator\n");
 		return PTR_ERR(vdds_sdi);
 	}
 

drivers/video/omap2/dss/venc.c

@@ -639,7 +639,8 @@ static int venc_init_regulator(void)
 	vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac");
 
 	if (IS_ERR(vdda_dac)) {
-		DSSERR("can't get VDDA_DAC regulator\n");
+		if (PTR_ERR(vdda_dac) != -EPROBE_DEFER)
+			DSSERR("can't get VDDA_DAC regulator\n");
 		return PTR_ERR(vdda_dac);
 	}
 

drivers/video/omap2/omapfb/omapfb-main.c

@@ -1833,6 +1833,16 @@ static void omapfb_free_resources(struct omapfb2_device *fbdev)
 	if (fbdev == NULL)
 		return;
 
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+		int j;
+
+		for (j = 0; j < ofbi->num_overlays; j++) {
+			struct omap_overlay *ovl = ofbi->overlays[j];
+			ovl->disable(ovl);
+		}
+	}
+
 	for (i = 0; i < fbdev->num_fbs; i++)
 		unregister_framebuffer(fbdev->fbs[i]);
 
@@ -2557,6 +2567,15 @@ static int omapfb_probe(struct platform_device *pdev)
 		goto cleanup;
 	}
 
+	if (def_display) {
+		u16 w, h;
+
+		def_display->driver->get_resolution(def_display, &w, &h);
+
+		dev_info(fbdev->dev, "using display '%s' mode %dx%d\n",
+			def_display->name, w, h);
+	}
+
 	return 0;
 
 cleanup: