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drm/amd/display: Check hdr support before setting.

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In case of programing info frame to
some monitors don't support HDR, it will
result in black screen or corruption when
unplug monitor.
By checking hdr flag to avoid unnecessary
setting for monitors don't support HDR.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2017-01-05 11:26:59 -05:00 • committed by Alex Deucher
parent e66e4d6428
commit 10bff00592
2 changed files with 19 additions and 11 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View file

@ -1742,6 +1742,9 @@ static void set_hdr_static_info_packet(
hdr_metadata = surface->public.hdr_static_ctx;
if (!hdr_metadata.is_hdr)
return;
if (dc_is_hdmi_signal(signal)) {
info_packet->valid = true;

27
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
View file

@ -555,18 +555,23 @@ static void dce110_stream_encoder_update_dp_info_packets(
struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
uint32_t value = REG_READ(DP_SEC_CNTL);
dce110_update_generic_info_packet(
if (info_frame->vsc.valid)
dce110_update_generic_info_packet(
enc110,
0, /* packetIndex */
&info_frame->vsc);
if (info_frame->spd.valid)
dce110_update_generic_info_packet(
enc110,
0, /* packetIndex */
&info_frame->vsc);
dce110_update_generic_info_packet(
enc110,
2, /* packetIndex */
&info_frame->spd);
dce110_update_generic_info_packet(
enc110,
3, /* packetIndex */
&info_frame->hdrsmd);
2, /* packetIndex */
&info_frame->spd);
if (info_frame->hdrsmd.valid)
dce110_update_generic_info_packet(
enc110,
3, /* packetIndex */
&info_frame->hdrsmd);
/* enable/disable transmission of packet(s).
* If enabled, packet transmission begins on the next frame