Merge "drm/edid: add checksum to connector" (4fa3b029) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/gpu/drm/drm_edid.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1566,6 +1566,9 @@ static void connector_bad_edid(struct drm_connector *connector,
		u8 *edid, int num_blocks)
		{
		int i;
		u32 csum = 0x100 \| drm_edid_block_checksum(edid);

		connector->checksum = 0x100 - (csum - edid[EDID_LENGTH - 1]);

		if (connector->bad_edid_counter++ && !(drm_debug & DRM_UT_KMS))
		return;
		@@ -1663,6 +1666,8 @@ struct edid drm_do_get_edid(struct drm_connector connector,
		u8 edid, new;
		struct edid *override;

		connector->checksum = 0;

		override = drm_get_override_edid(connector);
		if (override)
		return override;

+7 −0

Original line number	Diff line number	Diff line
		@@ -1177,6 +1177,13 @@ struct drm_connector {
		* Can find the panel which connected to drm_connector.
		*/
		struct drm_panel *panel;

		/**
		* @checksum:
		*
		* The calculated checksum value of first 127 bytes of associated EDID.
		*/
		u8 checksum;
		};

		#define obj_to_connector(x) container_of(x, struct drm_connector, base)