From: Jyri Sarha <jsarha@ti.com>
Date: Fri, 11 Apr 2014 13:25:07 +0000 (+0300)
Subject: OMAPDSS: Take pixelclock unit change into account in hdmi_compute_acr()
X-Git-Tag: v3.15-rc2~30^2~5
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a57a22c817fbcb69d41ae517e02933618482f42d;p=linux-block.git

OMAPDSS: Take pixelclock unit change into account in hdmi_compute_acr()

Pixelclock unit change from kHz to Hz should be taken into account
in CTS value calculations in hdmi_compute_acr().

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

diff --git a/drivers/video/omap2/dss/hdmi_common.c b/drivers/video/omap2/dss/hdmi_common.c
index b11afac8e068..0b12a3f62fe1 100644
--- a/drivers/video/omap2/dss/hdmi_common.c
+++ b/drivers/video/omap2/dss/hdmi_common.c
@@ -347,17 +347,17 @@ int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts)
 	case 96000:
 	case 192000:
 		if (deep_color == 125)
-			if (pclk == 27027 || pclk == 74250)
+			if (pclk == 27027000 || pclk == 74250000)
 				deep_color_correct = true;
 		if (deep_color == 150)
-			if (pclk == 27027)
+			if (pclk == 27027000)
 				deep_color_correct = true;
 		break;
 	case 44100:
 	case 88200:
 	case 176400:
 		if (deep_color == 125)
-			if (pclk == 27027)
+			if (pclk == 27027000)
 				deep_color_correct = true;
 		break;
 	default:
@@ -418,7 +418,7 @@ int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts)
 		}
 	}
 	/* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
-	*cts = pclk * (*n / 128) * deep_color / (sample_freq / 10);
+	*cts = (pclk/1000) * (*n / 128) * deep_color / (sample_freq / 10);
 
 	return 0;
 }