drm/radeon: factor out cs_next_is_pkt3_nop function
Once we factored out radeon_cs_packet_parse function,
evergreen_cs_next_is_pkt3_nop and r600_cs_next_is_pkt3_nop
functions became identical, so they can be factored out
into a common function.
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 7355a36..56cdb44 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -695,3 +695,24 @@
}
return 0;
}
+
+/**
+ * radeon_cs_packet_next_is_pkt3_nop() - test if the next packet is P3 NOP
+ * @p: structure holding the parser context.
+ *
+ * Check if the next packet is NOP relocation packet3.
+ **/
+bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
+{
+ struct radeon_cs_packet p3reloc;
+ int r;
+
+ r = radeon_cs_packet_parse(p, &p3reloc, p->idx);
+ if (r)
+ return false;
+ if (p3reloc.type != RADEON_PACKET_TYPE3)
+ return false;
+ if (p3reloc.opcode != RADEON_PACKET3_NOP)
+ return false;
+ return true;
+}
