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drm/radeon: Use drm_hdmi_avi_infoframe_quant_range()

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Fill out the AVI infoframe quantization range bits using
drm_hdmi_avi_infoframe_quant_range() instead of hand rolling it.

This changes the behaviour slightly as
drm_hdmi_avi_infoframe_quant_range() will set a non-zero Q bit
even when QS==0 iff the Q bit matched the default quantization
range for the given mode. This matches the recommendation in
HDMI 2.0 and is allowed even before that.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190108172828.15184-3-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2019-01-08 19:28:27 +02:00
parent c3735f5c1f
commit 8ee491b4d2
1 changed files with 5 additions and 8 deletions
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13
drivers/gpu/drm/radeon/radeon_audio.c
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@ -523,14 +523,11 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder,
}
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;
}
drm_hdmi_avi_infoframe_quant_range(&frame, connector, mode,
radeon_encoder->output_csc == RADEON_OUTPUT_CSC_TVRGB ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL,
drm_rgb_quant_range_selectable(radeon_connector_edid(connector)));
}
err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));