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-rw-r--r--convert/README.pcitable9
1 files changed, 8 insertions, 1 deletions
diff --git a/convert/README.pcitable b/convert/README.pcitable
index 5f68e5fb..de2c8bd5 100644
--- a/convert/README.pcitable
+++ b/convert/README.pcitable
@@ -38,7 +38,14 @@ NVIDIA_CARD="NVIDIA GeForce 400 series and later" convert/merge2pcitable.pl nvid
# nouveau driver doesn't have ID lists, instead it uses a NVIDIA-specific
# PMC.ID for detecting if a card is supported or not. Currently we use the
# IDs from the proprietary driver for it as well.
-
+#
+# You can use option "-f=" (sic) to force all already-existing entries
+# (only those supported by the imported driver, of course) to be set to
+# $NVIDIA_CARD instead of just unexisting entries (the default).
+# This is useful when e.g. branching a legacy driver (first use sed etc.
+# to have everything assigned to the legacy driver, then use -f= to
+# force-assign everything still supported by the current driver to it.
+#
# Intel graphics card IDs
#