diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2505-drm-amd-display-Fix-ref_count-messed-up-issue.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2505-drm-amd-display-Fix-ref_count-messed-up-issue.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2505-drm-amd-display-Fix-ref_count-messed-up-issue.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2505-drm-amd-display-Fix-ref_count-messed-up-issue.patch new file mode 100644 index 00000000..d4617feb --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2505-drm-amd-display-Fix-ref_count-messed-up-issue.patch @@ -0,0 +1,66 @@ +From 584249c5bb16e3fcb39b7095680b2266d0c0e6ee Mon Sep 17 00:00:00 2001 +From: Jerry Zuo <Jerry.Zuo@amd.com> +Date: Mon, 25 Sep 2017 16:39:45 -0400 +Subject: [PATCH 2505/4131] drm/amd/display: Fix ref_count messed up issue + +In the full update type, need to add ref_count to the newly +created dc_state->stream. It made mistake to add ref_count to +dc->current_state->stream which keeps adding up without release. + +Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com> +Reviewed-by: Roman Li <Roman.Li@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 21 ++++++++++++++++++++- + 1 file changed, 20 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 03cb200..d733658 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1322,6 +1322,7 @@ void dc_commit_updates_for_stream(struct dc *dc, + const struct dc_stream_status *stream_status; + enum surface_update_type update_type; + struct dc_state *context; ++ struct dc_context *dc_ctx = dc->ctx; + int i; + + stream_status = dc_stream_get_status(stream); +@@ -1334,8 +1335,17 @@ void dc_commit_updates_for_stream(struct dc *dc, + update_surface_trace(dc, srf_updates, surface_count); + + +- if (update_type >= UPDATE_TYPE_FULL) ++ if (update_type >= UPDATE_TYPE_FULL) { ++ ++ /* initialize scratch memory for building context */ ++ context = dc_create_state(); ++ if (context == NULL) { ++ DC_ERROR("Failed to allocate new validate context!\n"); ++ return; ++ } ++ + dc_resource_state_copy_construct(state, context); ++ } + + + for (i = 0; i < surface_count; i++) { +@@ -1361,6 +1371,15 @@ void dc_commit_updates_for_stream(struct dc *dc, + + dc_post_update_surfaces_to_stream(dc); + ++ if (dc->current_state != context) { ++ ++ struct dc_state *old = dc->current_state; ++ ++ dc->current_state = context; ++ dc_release_state(old); ++ ++ } ++ + return; + + } +-- +2.7.4 + |