| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.2 007/120] drm/radeon: fix HDMI quantization_range for pre-DCE5 asics | Date | Sat, 19 Sep 2015 10:27:27 -0700 |
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4.2-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
commit 86b7709d48f0df8796bddd7e1ce45c6fb7a7c6ec upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/radeon/radeon_audio.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-)
--- 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(s 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));
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