drm/i915/gvt: add sprite plane flip done support.
* Add flip done event support for sprite plane on SKL platform.
* Fix bug #1452, "Call Trace:handle_default_event_virt+0xef/0x100
[i915]" while booting up guest.
Signed-off-by: Xu Han <xu.han@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 9a4b23c..7bb11a5 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -1135,6 +1135,8 @@ static int skl_decode_mi_display_flip(struct parser_exec_state *s,
u32 dword2 = cmd_val(s, 2);
u32 plane = (dword0 & GENMASK(12, 8)) >> 8;
+ info->plane = PRIMARY_PLANE;
+
switch (plane) {
case MI_DISPLAY_FLIP_SKL_PLANE_1_A:
info->pipe = PIPE_A;
@@ -1148,12 +1150,28 @@ static int skl_decode_mi_display_flip(struct parser_exec_state *s,
info->pipe = PIPE_C;
info->event = PRIMARY_C_FLIP_DONE;
break;
+
+ case MI_DISPLAY_FLIP_SKL_PLANE_2_A:
+ info->pipe = PIPE_A;
+ info->event = SPRITE_A_FLIP_DONE;
+ info->plane = SPRITE_PLANE;
+ break;
+ case MI_DISPLAY_FLIP_SKL_PLANE_2_B:
+ info->pipe = PIPE_B;
+ info->event = SPRITE_B_FLIP_DONE;
+ info->plane = SPRITE_PLANE;
+ break;
+ case MI_DISPLAY_FLIP_SKL_PLANE_2_C:
+ info->pipe = PIPE_C;
+ info->event = SPRITE_C_FLIP_DONE;
+ info->plane = SPRITE_PLANE;
+ break;
+
default:
gvt_err("unknown plane code %d\n", plane);
return -EINVAL;
}
- info->pipe = PRIMARY_PLANE;
info->stride_val = (dword1 & GENMASK(15, 6)) >> 6;
info->tile_val = (dword1 & GENMASK(2, 0));
info->surf_val = (dword2 & GENMASK(31, 12)) >> 12;