drm/amd/display: fix incorrrect valid irq check

From Guchun Chen
b13574fa83ac55a9c3aa7f075ef5db62b444f7b5 in linux 5.10.y/5.10.51
e38ca7e422791a4d1c01e56dbf7f9982db0ed365 in mainline linux

diff --git a/sys/dev/pci/drm/amd/display/dc/irq_types.h b/sys/dev/pci/drm/amd/display/dc/irq_types.h
index d0ccd81..ad3e562 100644 (file)
--- a/sys/dev/pci/drm/amd/display/dc/irq_types.h
+++ b/sys/dev/pci/drm/amd/display/dc/irq_types.h
@@ -163,7 +163,7 @@ enum irq_type
 };
 
 #define DAL_VALID_IRQ_SRC_NUM(src) \
-       ((src) <= DAL_IRQ_SOURCES_NUMBER && (src) > DC_IRQ_SOURCE_INVALID)
+       ((src) < DAL_IRQ_SOURCES_NUMBER && (src) > DC_IRQ_SOURCE_INVALID)
 
 /* Number of Page Flip IRQ Sources. */
 #define DAL_PFLIP_IRQ_SRC_NUM \