From: Tong Liu01 <Tong.Liu01@xxxxxxx>
[ Upstream commit 4eb0b49a0ad3e004a6a65b84efe37bc7e66d560f ]
[why]
when gfx do soft reset, mes will also do reset, if mes is not
resumed when do recover from soft reset, mes is unable to respond
in later sequence
[how]
resume mes when do gfx post soft reset
Signed-off-by: Tong Liu01 <Tong.Liu01@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 90e739d9aeee7..7a13129842602 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4625,6 +4625,14 @@ static bool gfx_v11_0_check_soft_reset(void *handle)
return false;
}
+static int gfx_v11_0_post_soft_reset(void *handle)
+{
+ /**
+ * GFX soft reset will impact MES, need resume MES when do GFX soft reset
+ */
+ return amdgpu_mes_resume((struct amdgpu_device *)handle);
+}
+
static uint64_t gfx_v11_0_get_gpu_clock_counter(struct amdgpu_device *adev)
{
uint64_t clock;
@@ -6068,6 +6076,7 @@ static const struct amd_ip_funcs gfx_v11_0_ip_funcs = {
.wait_for_idle = gfx_v11_0_wait_for_idle,
.soft_reset = gfx_v11_0_soft_reset,
.check_soft_reset = gfx_v11_0_check_soft_reset,
+ .post_soft_reset = gfx_v11_0_post_soft_reset,
.set_clockgating_state = gfx_v11_0_set_clockgating_state,
.set_powergating_state = gfx_v11_0_set_powergating_state,
.get_clockgating_state = gfx_v11_0_get_clockgating_state,
--
2.39.2
