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[PATCH] drm: bridge/dw-hdmi: Fix colorspace and scan information registers values

From Jose Abreu <Jose.Abreu@synopsys.com>
Newsgroups linux.kernel
Subject [PATCH] drm: bridge/dw-hdmi: Fix colorspace and scan information registers values
Date 2016-08-18 16:50 +0200
Message-ID <s7wNQ-16E-33@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Colorspace and scan information values were being written in wrong
offsets. This patch corrects this and writes the values at the
offsets specified in the databook.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Carlos Palminha <palminha@synopsys.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/gpu/drm/bridge/dw-hdmi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index 77ab473..cdf39aa 100644
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -940,10 +940,11 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 	 */
 
 	/*
-	 * AVI data byte 1 differences: Colorspace in bits 4,5 rather than 5,6,
-	 * active aspect present in bit 6 rather than 4.
+	 * AVI data byte 1 differences: Colorspace in bits 0,1 rather than 5,6,
+	 * scan info in bits 4,5 rather than 0,1 and active aspect present in
+	 * bit 6 rather than 4.
 	 */
-	val = (frame.colorspace & 3) << 4 | (frame.scan_mode & 0x3);
+	val = (frame.scan_mode & 3) << 4 | (frame.colorspace & 3);
 	if (frame.active_aspect & 15)
 		val |= HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT;
 	if (frame.top_bar || frame.bottom_bar)
-- 
2.1.4

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[PATCH] drm: bridge/dw-hdmi: Fix colorspace and scan information registers values Jose Abreu <Jose.Abreu@synopsys.com> - 2016-08-18 16:50 +0200
  Re: [PATCH] drm: bridge/dw-hdmi: Fix colorspace and scan information  registers values Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-08-18 16:50 +0200

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