[PATCH 12/13] drm/amd/display: Keep track of DSC packed PPS

[Tom Chung]

From: Ilya <ilya.bakou...@amd.com>

[Why]
Store current packed PPS data in dc_stream_state for future use.

Reviewed-by: Aric Cyr <aric....@amd.com>
Acked-by: Tom Chung <chiahsuan.ch...@amd.com>
Signed-off-by: Ilya Bakoulin <ilya.bakou...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 ++
 drivers/gpu/drm/amd/display/dc/dc_stream.h       | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 50a12fd08f4a..c15c46b81111 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -7578,6 +7578,7 @@ bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool 
enable, bool immediate_u
 
                DC_LOG_DSC(" ");
                dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, 
&dsc_packed_pps[0]);
+               memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], 
sizeof(stream->dsc_packed_pps));
                if (dc_is_dp_signal(stream->signal)) {
                        DC_LOG_DSC("Setting stream encoder DSC PPS SDP for 
engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id);
                        if (is_dp_128b_132b_signal(pipe_ctx))
@@ -7595,6 +7596,7 @@ bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool 
enable, bool immediate_u
                }
        } else {
                /* disable DSC PPS in stream encoder */
+               memset(&stream->dsc_packed_pps[0], 0, 
sizeof(stream->dsc_packed_pps));
                if (dc_is_dp_signal(stream->signal)) {
                        if (is_dp_128b_132b_signal(pipe_ctx))
                                
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h 
b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 580420c3eedc..58941f4defb3 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -162,7 +162,7 @@ struct dc_stream_state {
        struct dc_info_packet vrr_infopacket;
        struct dc_info_packet vsc_infopacket;
        struct dc_info_packet vsp_infopacket;
-
+       uint8_t dsc_packed_pps[128];
        struct rect src; /* composition area */
        struct rect dst; /* stream addressable area */
 
-- 
2.25.1