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authorXingyue Tao <xingyue.tao@amd.com>2018-02-16 16:29:13 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-03-05 15:33:56 -0500
commit85075fa04287dce81397dab75af0992274727b82 (patch)
tree4ba17215dc15bb0e78a2188258556f71a49965f5 /drivers/gpu/drm/amd/display/dc
parentf03628232fe93ce7af18079ce69c2dfd4c95d70f (diff)
drm/amd/display: add psr_version to stream
Brightness could not be changed for some panels whose DPCD_version is below 1.2 Now psr_version is added into stream, and it copies from the displayTarget's psr_version. It checks if the stream's psr_versio is non-zero and sets the vsc info packet revision now. Signed-off-by: Xingyue Tao <xingyue.tao@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_stream.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ce0e9e76eb35..48709d4b5627 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2436,7 +2436,7 @@ static void set_vsc_info_packet(
unsigned int i;
/*VSC packet set to 2 when DP revision >= 1.2*/
- if (stream->sink->link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_12) {
+ if (stream->psr_version != 0) {
vscPacketRevision = 2;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 78a2bbe0b272..f44cd4d87b79 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -70,7 +70,8 @@ struct dc_stream_state {
bool ignore_msa_timing_param;
/* TODO: custom INFO packets */
/* TODO: ABM info (DMCU) */
- /* TODO: PSR info */
+ /* PSR info */
+ unsigned char psr_version;
/* TODO: CEA VIC */
/* from core_stream struct */