---

yaml --- r: 344696 b: refs/heads/master c: 5aaee69 h: refs/heads/master v: v3
git-mirror · Dec 12, 2012 · d31ea01 · d31ea01
1 parent da95672
commit d31ea01
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Showing 4 changed files with 16 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d10ecc5887a5671f2c71752b1624549a4a48b1fe
+refs/heads/master: 5aaee69d7fe02d1ffb76b6a31a588efa5f2742e3
diff --git a/trunk/drivers/video/omap2/dss/dispc.c b/trunk/drivers/video/omap2/dss/dispc.c
@@ -2970,7 +2970,7 @@ unsigned long dispc_fclk_rate(void)
 
 	switch (dss_get_dispc_clk_source()) {
 	case OMAP_DSS_CLK_SRC_FCK:
-		r = clk_get_rate(dispc.dss_clk);
+		r = dss_get_dispc_clk_rate();
 		break;
 	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
 		dsidev = dsi_get_dsidev_from_id(0);
@@ -3002,7 +3002,7 @@ unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
 
 		switch (dss_get_lcd_clk_source(channel)) {
 		case OMAP_DSS_CLK_SRC_FCK:
-			r = clk_get_rate(dispc.dss_clk);
+			r = dss_get_dispc_clk_rate();
 			break;
 		case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
 			dsidev = dsi_get_dsidev_from_id(0);

diff --git a/trunk/drivers/video/omap2/dss/dss.c b/trunk/drivers/video/omap2/dss/dss.c
@@ -77,6 +77,7 @@ static struct {
 
 	struct clk	*dpll4_m4_ck;
 	struct clk	*dss_clk;
+	unsigned long	dss_clk_rate;
 
 	unsigned long	cache_req_pck;
 	unsigned long	cache_prate;
@@ -489,6 +490,10 @@ int dss_set_clock_div(struct dss_clock_info *cinfo)
 			return -EINVAL;
 	}
 
+	dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+
+	WARN_ONCE(dss.dss_clk_rate != cinfo->fck, "clk rate mismatch");
+
 	DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div);
 
 	return 0;
@@ -502,6 +507,11 @@ unsigned long dss_get_dpll4_rate(void)
 		return 0;
 }
 
+unsigned long dss_get_dispc_clk_rate(void)
+{
+	return dss.dss_clk_rate;
+}
+
 static int dss_setup_default_clock(void)
 {
 	unsigned long max_dss_fck, prate;
@@ -953,6 +963,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev)
 	if (r)
 		goto err_runtime_get;
 
+	dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+
 	/* Select DPLL */
 	REG_FLD_MOD(DSS_CONTROL, 0, 0, 0);
 

diff --git a/trunk/drivers/video/omap2/dss/dss.h b/trunk/drivers/video/omap2/dss/dss.h
@@ -237,6 +237,7 @@ void dss_overlay_kobj_uninit(struct omap_overlay *ovl);
 int dss_init_platform_driver(void) __init;
 void dss_uninit_platform_driver(void);
 
+unsigned long dss_get_dispc_clk_rate(void);
 int dss_dpi_select_source(enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);