drm: Add reference counting on HDR metadata blob (c0b0ebb1) · Commits · 戴 / test

This adds reference count for HDR metadata blob, handled as part of duplicate and destroy connector state functions. v2: Removed the hdr_metadata_changed initialization as the variable is dropped and not required. Signed-off-by:

Jonas Karlman <jonas@kwiboo.se> Signed-off-by:

Uma Shankar <uma.shankar@intel.com> Signed-off-by:

Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1558015817-12025-3-git-send-email-uma.shankar@intel.com

drivers/gpu/drm/drm_atomic_state_helper.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -391,6 +391,9 @@ __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
		drm_connector_get(connector);
		state->commit = NULL;

		if (state->hdr_output_metadata)
		drm_property_blob_get(state->hdr_output_metadata);

		/* Don't copy over a writeback job, they are used only once */
		state->writeback_job = NULL;
		}
		@@ -438,6 +441,8 @@ __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state)

		if (state->writeback_job)
		drm_writeback_cleanup_job(state->writeback_job);

		drm_property_blob_put(state->hdr_output_metadata);
		}
		EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);

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