diff options
author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2018-09-06 16:51:50 +0300 |
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committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2018-09-06 16:51:50 +0300 |
commit | 5781cf82553ce1c91aa2173f9def10680275cddb (patch) | |
tree | 6a3b4e07085174cb1bf9eec433e34637715756d4 /drivers/gpu/drm/i915/gvt/cmd_parser.c | |
parent | d4da8a4d4004e61bd23494e23e22ddbc98571546 (diff) | |
parent | 69ca5af4ff9a3ff96e4595c2b7522c01a2641779 (diff) | |
download | linux-5781cf82553ce1c91aa2173f9def10680275cddb.tar.xz |
Merge tag 'gvt-next-2018-09-04' of https://github.com/intel/gvt-linux into drm-intel-next-queued
gvt-next-2018-09-04
- guest context shadow optimization for restore inhibit one (Yan)
- cmd parser optimization (Yan)
- W=1 warning fixes (Zhenyu)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
# Conflicts:
# drivers/gpu/drm/i915/gvt/reg.h
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180904030154.GG20737@zhen-hp.sh.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/cmd_parser.c')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 0651e63b25fb..865d80919827 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1817,6 +1817,8 @@ static int cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s) return ret; } +static int mi_noop_index; + static struct cmd_info cmd_info[] = { {"MI_NOOP", OP_MI_NOOP, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL}, @@ -2502,7 +2504,12 @@ static int cmd_parser_exec(struct parser_exec_state *s) cmd = cmd_val(s, 0); - info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + /* fastpath for MI_NOOP */ + if (cmd == MI_NOOP) + info = &cmd_info[mi_noop_index]; + else + info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + if (info == NULL) { gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %d, workload=%p\n", cmd, get_opcode(cmd, s->ring_id), @@ -2905,6 +2912,8 @@ static int init_cmd_table(struct intel_gvt *gvt) kfree(e); return -EEXIST; } + if (cmd_info[i].opcode == OP_MI_NOOP) + mi_noop_index = i; INIT_HLIST_NODE(&e->hlist); add_cmd_entry(gvt, e); |