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From 9db7a0746c83d56340cbeb409adca200d7e3d475 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 8 Nov 2018 16:34:48 -0500
Subject: [PATCH 0786/2940] drm/amdgpu/gfx9: rework lbpw enable code
To avoid changing the global lbpw module parameter directly.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 29 +++++++++++----------------
1 file changed, 12 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index da11e2d827ee..109636557357 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2418,26 +2418,21 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
return r;
}
- if (amdgpu_lbpw == -1) {
- switch (adev->asic_type) {
- case CHIP_RAVEN:
- amdgpu_lbpw = 1;
- break;
- case CHIP_VEGA20:
- amdgpu_lbpw = 0;
- break;
- default:
- amdgpu_lbpw = 0;
- break;
- }
- }
-
- if (adev->asic_type == CHIP_RAVEN ||
- adev->asic_type == CHIP_VEGA20) {
- if (amdgpu_lbpw != 0)
+ switch (adev->asic_type) {
+ case CHIP_RAVEN:
+ if (amdgpu_lbpw == 0)
+ gfx_v9_0_enable_lbpw(adev, false);
+ else
+ gfx_v9_0_enable_lbpw(adev, true);
+ break;
+ case CHIP_VEGA20:
+ if (amdgpu_lbpw > 0)
gfx_v9_0_enable_lbpw(adev, true);
else
gfx_v9_0_enable_lbpw(adev, false);
+ break;
+ default:
+ break;
}
adev->gfx.rlc.funcs->start(adev);
--
2.17.1
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