Commit d6257ab5 authored by Paul Menzel's avatar Paul Menzel Committed by Alex Deucher
Browse files

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: default avatarPaul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2c1e9bca

drivers/gpu/drm/radeon/radeon_object.c

+3 −1
Original line number Diff line number Diff line
@@ -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);

}