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Message-Id: <20220830172317.581397-6-sashal@kernel.org>
Date: Tue, 30 Aug 2022 13:23:07 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Candice Li <candice.li@....com>,
Hawking Zhang <Hawking.Zhang@....com>,
Alex Deucher <alexander.deucher@....com>,
Sasha Levin <sashal@...nel.org>, christian.koenig@....com,
Xinhui.Pan@....com, airlied@...ux.ie, daniel@...ll.ch,
tao.zhou1@....com, YiPeng.Chai@....com, desowin@...il.com,
lijo.lazar@....com, victor.skvortsov@....com,
amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.10 06/16] drm/amdgpu: Check num_gfx_rings for gfx v9_0 rb setup.
From: Candice Li <candice.li@....com>
[ Upstream commit c351938350ab9b5e978dede2c321da43de7eb70c ]
No need to set up rb when no gfx rings.
Signed-off-by: Candice Li <candice.li@....com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 405bb3efa2a96..38f4c7474487b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2570,7 +2570,8 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev)
gfx_v9_0_tiling_mode_table_init(adev);
- gfx_v9_0_setup_rb(adev);
+ if (adev->gfx.num_gfx_rings)
+ gfx_v9_0_setup_rb(adev);
gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info);
adev->gfx.config.db_debug2 = RREG32_SOC15(GC, 0, mmDB_DEBUG2);
--
2.35.1
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