From: Umesh Nerlige Ramappa <[email protected]>
commit aee62e02c48bd62b9b07f5e297ecfc9aaa964937 upstream.
MI_STORE_REGISTER_MEM and MI_LOAD_REGISTER_MEM need to know which
translation to use when saving restoring the engine general purpose
registers to and from the GT scratch. Since GT scratch is mapped to
ggtt, we need to set an additional bit in the command to use GTT.
Fixes: daed3e44396d17 ("drm/i915/perf: implement active wait for noa
configurations")
Suggested-by: Prathap Kumar Valsan <[email protected]>
Signed-off-by: Umesh Nerlige Ramappa <[email protected]>
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Link:
https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Chris Wilson <[email protected]>
(cherry picked from commit e43ff99c8deda85234e6233e0f4af6cb09566a37)
Signed-off-by: Jani Nikula <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/i915/i915_perf.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1645,6 +1645,7 @@ static u32 *save_restore_register(struct
u32 d;
cmd = save ? MI_STORE_REGISTER_MEM : MI_LOAD_REGISTER_MEM;
+ cmd |= MI_SRM_LRM_GLOBAL_GTT;
if (INTEL_GEN(stream->perf->i915) >= 8)
cmd++;
