Attachment 86741 Details for Bug 69675 – patch 3/3

[patch] patch 3/3

0003-drm-radeon-use-hw-generated-CTS-N-values-for-audio.patch (text/plain), 2.00 KB, created by Alex Deucher on 2013-09-27 22:30:08 UTC

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Creator: Alex Deucher

Created: 2013-09-27 22:30:08 UTC

Size: 2.00 KB

patch

obsolete

>From 37396f32fc8c8a4f68e0fd069e4e63ce19786ef4 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Fri, 27 Sep 2013 18:22:15 -0400
>Subject: [PATCH 3/3] drm/radeon: use hw generated CTS/N values for audio
>
>Use the hw generated values rather than calculating
>them in the driver.  There may be some older r6xx
>asics where this doesn't work correctly.  This remains
>to be seen.
>
>See bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=69675
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>---
> drivers/gpu/drm/radeon/evergreen_hdmi.c | 3 +--
> drivers/gpu/drm/radeon/r600_hdmi.c      | 3 +--
> 2 files changed, 2 insertions(+), 4 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
>index f71ce39..f815c20 100644
>--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
>+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
>@@ -288,8 +288,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
> 	/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
> 
> 	WREG32(HDMI_ACR_PACKET_CONTROL + offset,
>-	       HDMI_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */
>-	       HDMI_ACR_SOURCE); /* select SW CTS value */
>+	       HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
> 
> 	evergreen_hdmi_update_ACR(encoder, mode->clock);
> 
>diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
>index a378081..2b5f9a7 100644
>--- a/drivers/gpu/drm/radeon/r600_hdmi.c
>+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
>@@ -451,8 +451,7 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
> 	}
> 
> 	WREG32(HDMI0_ACR_PACKET_CONTROL + offset,
>-	       HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */
>-	       HDMI0_ACR_SOURCE); /* select SW CTS value */
>+	       HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
> 
> 	WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
> 	       HDMI0_NULL_SEND | /* send null packets when required */
>-- 
>1.8.3.1
>

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Attachments on bug 69675: 86598 | 86739 | 86740 | 86741 | 86856 | 88450 | 88476 | 88775 | 88776

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