Attachment 117948 Details for Bug 83226 – possible fix

[patch] possible fix

0001-drm-radeon-fix-HDMI-quantization_range-for-pre-DCE5-.patch (text/plain), 1.74 KB, created by Alex Deucher on 2015-08-27 13:55:12 UTC

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Creator: Alex Deucher

Created: 2015-08-27 13:55:12 UTC

Size: 1.74 KB

patch

obsolete

>From 1e1659751b4726c5b54d33cde6c67cd7dffd1d10 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 27 Aug 2015 09:52:22 -0400
>Subject: [PATCH] drm/radeon: fix HDMI quantization_range for pre-DCE5 asics
>
>Support for output_csc is only available on DCE5 and newer so
>don't mess with the HDMI quantization_range on pre-DCE5 asics.
>
>bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=83226
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/radeon_audio.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
>index fbc8d88..2c02e99 100644
>--- a/drivers/gpu/drm/radeon/radeon_audio.c
>+++ b/drivers/gpu/drm/radeon/radeon_audio.c
>@@ -522,13 +522,15 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder,
> 		return err;
> 	}
> 
>-	if (drm_rgb_quant_range_selectable(radeon_connector_edid(connector))) {
>-		if (radeon_encoder->output_csc == RADEON_OUTPUT_CSC_TVRGB)
>-			frame.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
>-		else
>-			frame.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
>-	} else {
>-		frame.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
>+	if (radeon_encoder->output_csc != RADEON_OUTPUT_CSC_BYPASS) {
>+		if (drm_rgb_quant_range_selectable(radeon_connector_edid(connector))) {
>+			if (radeon_encoder->output_csc == RADEON_OUTPUT_CSC_TVRGB)
>+				frame.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
>+			else
>+				frame.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
>+		} else {
>+			frame.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
>+		}
> 	}
> 
> 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
>-- 
>1.8.3.1
>

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Attachments on bug 83226: 113757 | 113758 | 113778 | 117787 | 117788 | 117948

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