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From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 23 Aug 2017 09:42:22 -0400
Subject: drm/amdgpu: disable DC on KB/ML for now
Git-commit: 17b7cf8c556601eea56b38582fd74945a712cd93
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Until I've had time to test it better.

bug: https://bugs.freedesktop.org/show_bug.cgi?id=102372

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2054,8 +2054,6 @@ bool amdgpu_device_asic_has_dc_support(e
 	case CHIP_BONAIRE:
 	case CHIP_HAWAII:
 	case CHIP_KAVERI:
-	case CHIP_KABINI:
-	case CHIP_MULLINS:
 	case CHIP_CARRIZO:
 	case CHIP_STONEY:
 	case CHIP_POLARIS11:
@@ -2066,9 +2064,10 @@ bool amdgpu_device_asic_has_dc_support(e
 	case CHIP_VEGA10:
 #if defined(CONFIG_DRM_AMD_DC_PRE_VEGA)
 		return amdgpu_dc != 0;
-#else
-		return amdgpu_dc > 0;
 #endif
+	case CHIP_KABINI:
+	case CHIP_MULLINS:
+		return amdgpu_dc > 0;
 #endif
 #if defined(CONFIG_DRM_AMD_DC) && defined(CONFIG_DRM_AMD_DC_DCN1_0)
 	case CHIP_RAVEN: