Re: drm/amdgpu: skip MES for S0ix as well since it's part of GFX

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On 12/16/2022 10:44, Alex Deucher wrote:
It's also part of gfxoff.

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>

Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>

Even without the other series this alone has been shown
to improve things for the affected ASIC, so it should
probably go to stable.

Cc: stable@xxxxxxxxxxxxxxx # 6.0, 6.1

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 582a80a9850e..e4609b8d574c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3018,14 +3018,15 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
  			continue;
  		}
- /* skip suspend of gfx and psp for S0ix
+		/* skip suspend of gfx/mes and psp for S0ix
  		 * gfx is in gfxoff state, so on resume it will exit gfxoff just
  		 * like at runtime. PSP is also part of the always on hardware
  		 * so no need to suspend it.
  		 */
  		if (adev->in_s0ix &&
  		    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP ||
-		     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX))
+		     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX ||
+		     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_MES))
  			continue;
/* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */




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