RE: [PATCH] drm/amdgpu: remove GPRs init for ALDEBARAN

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[AMD Official Use Only]

The change breaks initialization as well. shall we check in_gpu_reset to exclude reset case?

Regards,
Hawking

-----Original Message-----
From: Zhou1, Tao <Tao.Zhou1@xxxxxxx> 
Sent: Tuesday, October 26, 2021 17:27
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Cc: Zhou1, Tao <Tao.Zhou1@xxxxxxx>
Subject: [PATCH] drm/amdgpu: remove GPRs init for ALDEBARAN

Remove GPRs init for ALDEBARAN temporarily, will add the init once the algorithm is stable.

Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
index 24852a24cc58..c85bad4f1394 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
@@ -706,10 +706,9 @@ int gfx_v9_4_2_do_edc_gpr_workarounds(struct amdgpu_device *adev)
 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX))
 		return 0;
 
-	/* Workaround for some CU settings, skip GPRs init.
-	   Will remove it once GPRs init algorithm works for all CU settings */
-	if (adev->gfx.cu_info.bitmap[1][1] == 0x3f7f)
-		return 0;
+	/* Workaround for ALDEBARAN, skip GPRs init.
+	   Will remove it once GPRs init algorithm works for all CU settings. */
+	return 0;
 
 	gfx_v9_4_2_do_sgprs_init(adev);
 
--
2.17.1




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