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| author | Ilija Hadzic | 2013-01-03 00:27:42 +0100 |
|---|---|---|
| committer | Alex Deucher | 2013-01-31 22:24:42 +0100 |
| commit | 9ffb7a6dca4fd260db91c808efd4d5c56057600c (patch) | |
| tree | 20e3904abb757c8579b613fe3cedae7a7fe63738 /drivers/gpu/drm/radeon/radeon_cs.c | |
| parent | drm/radeon: use common cs packet parse function (diff) | |
| download | kernel-qcow2-linux-9ffb7a6dca4fd260db91c808efd4d5c56057600c.tar.gz kernel-qcow2-linux-9ffb7a6dca4fd260db91c808efd4d5c56057600c.tar.xz kernel-qcow2-linux-9ffb7a6dca4fd260db91c808efd4d5c56057600c.zip | |
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.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; +} |