diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 21 |
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; +} |