public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/amd/display: use correct vpg instance for 128b/132b encoding

Browse source 
[why]
128b/132b uses the vpg instance assigned to hpo dp stream encoder.
The current vpg used is assigned to dio stream encoder.
This is incorrect and cause display black screen because the
actual vpg is powered off.

Reviewed-by: Michael Strauss <michael.strauss@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenjing Liu 2021-09-13 11:25:56 -04:00 • committed by Alex Deucher
parent e794747622
commit b0d8889006
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View file

@ -3608,6 +3608,9 @@ void core_link_enable_stream(
#if defined(CONFIG_DRM_AMD_DC_DCN)
enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
if (is_dp_128b_132b_signal(pipe_ctx))
vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
#endif
DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
@ -3853,6 +3856,9 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
struct dc_link *link = stream->sink->link;
#if defined(CONFIG_DRM_AMD_DC_DCN)
struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
if (is_dp_128b_132b_signal(pipe_ctx))
vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
#endif
if (!IS_DIAG_DC(dc->ctx->dce_environment) &&