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drm/radeon: fix HDMI quantization_range for pre-DCE5 asics

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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
This commit is contained in:
Alex Deucher 2015-08-27 09:52:22 -04:00
parent 92cffd56b2
commit 86b7709d48
1 changed files with 9 additions and 7 deletions
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16
drivers/gpu/drm/radeon/radeon_audio.c
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@ -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));