From: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/sumo_dpm.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index 67c85c7..f103880 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -813,6 +813,12 @@ static void sumo_program_bootup_state(struct radeon_device *rdev)
void sumo_take_smu_control(struct radeon_device *rdev, bool enable) { +/* This bit selects who handles display phy powergating. + * Clear the bit to let atom handle it. + * Set it to let the driver handle it. + * For now we just let atom handle it. + */ +#if 0 u32 v = RREG32(DOUT_SCRATCH3);
if (enable) @@ -821,6 +827,7 @@ void sumo_take_smu_control(struct radeon_device *rdev, bool enable) v &= 0xFFFFFFFB;
WREG32(DOUT_SCRATCH3, v); +#endif }
static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)