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Commit ea1495a6 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/radeon/kms: fix rc410 suspend/resume. 



This fixes suspend/resume on my rc410 motherboard, it restores
the memory controller setup before posting the GPU, since it seems
to need the MC_FB_LOCATION setup correctly.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent fc7f7119

drivers/gpu/drm/radeon/rs400.c

+2 −0
Original line number Diff line number Diff line
@@ -418,6 +418,8 @@ int rs400_resume(struct radeon_device *rdev) 
	rs400_gart_disable(rdev);

	/* Resume clock before doing reset */

	r300_clock_startup(rdev);

	/* setup MC before calling post tables */

	rs400_mc_program(rdev);

	/* Reset gpu before posting otherwise ATOM will enter infinite loop */

	if (radeon_gpu_reset(rdev)) {

		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",