From f49d45c973984eb805eb989b6220aa7c1ee30bc2 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 26 Jan 2016 00:30:33 -0500
Subject: drm/amdgpu: don't init fbdev if we don't have any connectors

Don't init fbdev if we don't have connectors.  E.g., if you have
a PX laptop with the displays attached to an IGP with no driver
support, you may end up with a blank screen rather than falling
back to vesa, etc.

Based on a similar radeon patch from Rob Clark.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index cfb6caad2a73..919146780a15 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -333,6 +333,10 @@ int amdgpu_fbdev_init(struct amdgpu_device *adev)
 	if (!adev->mode_info.mode_config_initialized)
 		return 0;
 
+	/* don't init fbdev if there are no connectors */
+	if (list_empty(&adev->ddev->mode_config.connector_list))
+		return 0;
+
 	/* select 8 bpp console on low vram cards */
 	if (adev->mc.real_vram_size <= (32*1024*1024))
 		bpp_sel = 8;
-- 
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