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From 2589993a32dd6069b737681ed926e4209d5424a9 Mon Sep 17 00:00:00 2001
From: Jordan Lazare <Jordan.Lazare@amd.com>
Date: Mon, 18 Jan 2016 17:00:03 -0500
Subject: [PATCH 0178/1110] drm/amdgpu: Allow the driver to load if
amdgpu.powerplay=1 on asics without powerplay support
Avoid setting pp_enabled if there is no powerplay implementation.
Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
index 5ee9a06..b9d0d55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
@@ -99,13 +99,24 @@ static int amdgpu_pp_early_init(void *handle)
#ifdef CONFIG_DRM_AMD_POWERPLAY
switch (adev->asic_type) {
- case CHIP_TONGA:
- case CHIP_FIJI:
- adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
- break;
- default:
- adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
- break;
+ case CHIP_TONGA:
+ case CHIP_FIJI:
+ adev->pp_enabled = (amdgpu_powerplay == 0) ? false : true;
+ break;
+ case CHIP_CARRIZO:
+ case CHIP_STONEY:
+ adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
+ break;
+ /* These chips don't have powerplay implemenations */
+ case CHIP_BONAIRE:
+ case CHIP_HAWAII:
+ case CHIP_KABINI:
+ case CHIP_MULLINS:
+ case CHIP_KAVERI:
+ case CHIP_TOPAZ:
+ default:
+ adev->pp_enabled = false;
+ break;
}
#else
adev->pp_enabled = false;
--
2.7.4
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