From d6257ab531ba0053d6f7c98ef949ab53f9a8ff0a Mon Sep 17 00:00:00 2001 From: Paul Menzel Date: Tue, 31 Jul 2018 18:48:41 +0200 Subject: [PATCH] drm/radeon: Do not evict VRAM on APUs with disabled HIBERNATE Improve commit d796d844 (drm/radeon/kms: make hibernate work on IGPs) to only migrate VRAM objects if the Linux kernel is actually built with support for hibernation (suspend to disk). Link: https://bugs.freedesktop.org/show_bug.cgi?id=100941 Signed-off-by: Paul Menzel Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_object.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index ba2fd295697f..92f6d4002eea 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -421,11 +421,13 @@ int radeon_bo_unpin(struct radeon_bo *bo) int radeon_bo_evict_vram(struct radeon_device *rdev) { /* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */ - if (0 && (rdev->flags & RADEON_IS_IGP)) { +#ifndef CONFIG_HIBERNATION + if (rdev->flags & RADEON_IS_IGP) { if (rdev->mc.igp_sideport_enabled == false) /* Useless to evict on IGP chips */ return 0; } +#endif return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM); } -- 2.30.2