[PATCH 7/7] drm/amd/gfx6: update gb_addr_config

[Zhang, Hawking]

Why you need to re-program this bit? 

Regards,
Hawking

-----Original Message-----
From: Flora Cui [mailto:Flora.Cui at amd.com] 
Sent: Tuesday, February 07, 2017 16:14
To: Zhang, Hawking <Hawking.Zhang at amd.com>; amd-gfx at lists.freedesktop.org
Cc: Cui, Flora <Flora.Cui at amd.com>
Subject: [PATCH 7/7] drm/amd/gfx6: update gb_addr_config

Change-Id: I3b866a719e99af2eed461fd618348ba6a28e1f81
Signed-off-by: Flora Cui <Flora.Cui at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 765c5e3..782190d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1710,6 +1710,9 @@ static void gfx_v6_0_gpu_init(struct amdgpu_device *adev)
 		gb_addr_config |= 2 << GB_ADDR_CONFIG__ROW_SIZE__SHIFT;
 		break;
 	}
+	gb_addr_config &= ~GB_ADDR_CONFIG__NUM_SHADER_ENGINES_MASK;
+	if (adev->gfx.config.max_shader_engines == 2)
+		gb_addr_config |= 1 << GB_ADDR_CONFIG__NUM_SHADER_ENGINES__SHIFT;
 	adev->gfx.config.gb_addr_config = gb_addr_config;
 
 	WREG32(mmGB_ADDR_CONFIG, gb_addr_config);
-- 
2.7.4