drm/radeon/dpm: let atom control display phy powergating
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -813,6 +813,12 @@ static void sumo_program_bootup_state(struct radeon_device *rdev)
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void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
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void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
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{
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{
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/* This bit selects who handles display phy powergating.
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* Clear the bit to let atom handle it.
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* Set it to let the driver handle it.
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* For now we just let atom handle it.
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*/
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#if 0
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u32 v = RREG32(DOUT_SCRATCH3);
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u32 v = RREG32(DOUT_SCRATCH3);
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if (enable)
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if (enable)
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@ -821,6 +827,7 @@ void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
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v &= 0xFFFFFFFB;
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v &= 0xFFFFFFFB;
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WREG32(DOUT_SCRATCH3, v);
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WREG32(DOUT_SCRATCH3, v);
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#endif
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}
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}
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static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)
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static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)
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