diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5426-drm-amd-display-use-proper-pipe_ctx-index.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5426-drm-amd-display-use-proper-pipe_ctx-index.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5426-drm-amd-display-use-proper-pipe_ctx-index.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5426-drm-amd-display-use-proper-pipe_ctx-index.patch new file mode 100644 index 00000000..74295be6 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5426-drm-amd-display-use-proper-pipe_ctx-index.patch @@ -0,0 +1,51 @@ +From 10b8bfbdfd0b380c72f20027823a2a43754ea286 Mon Sep 17 00:00:00 2001 +From: Samson Tam <Samson.Tam@amd.com> +Date: Fri, 7 Sep 2018 10:13:55 -0400 +Subject: [PATCH 5426/5725] drm/amd/display: use proper pipe_ctx index + +Use link->link_index as index to pipe_ctx[] to get proper link +information instead of using index 0 to avoid potential miss matches. + +Change-Id: If3f8c5f1e02396949d0a0a0d2e14400ecd52af87 +Signed-off-by: Samson Tam <Samson.Tam@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 20 ++++++++++++++++++-- + 1 file changed, 18 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 7c5382a..1764137 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -460,9 +460,25 @@ void dc_link_set_preferred_link_settings(struct dc *dc, + struct dc_link_settings *link_setting, + struct dc_link *link) + { ++ int i; ++ struct pipe_ctx *pipe; ++ struct dc_stream_state *link_stream; + struct dc_link_settings store_settings = *link_setting; +- struct dc_stream_state *link_stream = +- link->dc->current_state->res_ctx.pipe_ctx[0].stream; ++ ++ for (i = 0; i < MAX_PIPES; i++) { ++ pipe = &dc->current_state->res_ctx.pipe_ctx[i]; ++ if (pipe->stream && pipe->stream->sink ++ && pipe->stream->sink->link) { ++ if (pipe->stream->sink->link == link) ++ break; ++ } ++ } ++ ++ /* Stream not found */ ++ if (i == MAX_PIPES) ++ return; ++ ++ link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream; + + link->preferred_link_setting = store_settings; + if (link_stream) +-- +2.7.4 + |