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drm/amd/display: Fix ref_count messed up issue

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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerry Zuo 2017-09-25 16:39:45 -04:00 committed by Alex Deucher
parent 2e1cc33463
commit 60d671db1c
1 changed files with 20 additions and 1 deletions
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21
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -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;
}