1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f48bd6dc10cd..30844814c25a 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3938,6 +3938,10 @@ void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
         /* tell the bios not to handle mode switching */
         bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
 
+        /* clear the vbios dpms state */
+        if (ASIC_IS_DCE4(rdev))
+                bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
+
         if (rdev->family >= CHIP_R600) {
                 WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);