[PATCH] drm/amdgpu: add mes resume when do gfx post soft reset

[Tong Liu01]

[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 at amd.com>
---
 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 3bf697a80cf2..08650f93f210 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4655,6 +4655,14 @@ 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;
@@ -6166,6 +6174,7 @@ 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,
-- 
2.34.1