Commit 54c5b74a authored by Matt Roper's avatar Matt Roper Committed by Rodrigo Vivi
Browse files

drm/xe: Don't raise error on fused-off media 



It's legitimate for the media GMD_ID register to read back as 0x0 if
media functionality is fused off or otherwise not present on the
platform.  Avoid printing an "unknown media version" error message for
this case.

Reviewed-by: default avatarGustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20230614205202.3376752-3-matthew.d.roper@intel.com


Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 41334358

drivers/gpu/drm/xe/xe_pci.c

+4 −0
Original line number Diff line number Diff line
@@ -447,6 +447,10 @@ static void handle_gmdid(struct xe_device *xe, 


	peek_gmdid(xe, GMD_ID.addr + 0x380000, &ver, media_revid);



	/* Media may legitimately be fused off / not present */

	if (ver == 0)

		return;



	for (int i = 0; i < ARRAY_SIZE(media_ip_map); i++) {

		if (ver == media_ip_map[i].ver) {

			xe->info.media_verx100 = ver;