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authorIlija Hadzic <ihadzic@research.bell-labs.com>2013-01-02 18:27:42 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-01-31 16:24:42 -0500
commit9ffb7a6dca4fd260db91c808efd4d5c56057600c (patch)
tree20e3904abb757c8579b613fe3cedae7a7fe63738 /drivers/gpu/drm/radeon/radeon_cs.c
parentc38f34b53e74dec4e58fef0c895d9e6df7da1190 (diff)
downloadlinux-9ffb7a6dca4fd260db91c808efd4d5c56057600c.tar.bz2
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cs.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 7355a3613e23..56cdb44c3612 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -695,3 +695,24 @@ int radeon_cs_packet_parse(struct radeon_cs_parser *p,
}
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;
+}