Currently we are not using watchdog timers for PSR/PSR2. The patch disables these timers so they are not in use. BSpec: 69895 Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_psr.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 850b11f20285..13b58dceb2bf 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -672,11 +672,15 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 max_sleep_time = 0x1f; - u32 val = EDP_PSR_ENABLE; + u32 val = 0; - val |= EDP_PSR_IDLE_FRAMES(psr_compute_idle_frames(intel_dp)); - val |= EDP_PSR_MAX_SLEEP_TIME(max_sleep_time); + if (DISPLAY_VER(dev_priv) < 20) { + val = EDP_PSR_ENABLE; + val |= EDP_PSR_MAX_SLEEP_TIME(max_sleep_time); + } + + val |= EDP_PSR_IDLE_FRAMES(psr_compute_idle_frames(intel_dp)); if (IS_HASWELL(dev_priv)) val |= EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES; @@ -1398,10 +1402,16 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * runtime_pm besides preventing other hw tracking issues now we * can rely on frontbuffer tracking. */ - mask = EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD | - EDP_PSR_DEBUG_MASK_LPSP | - EDP_PSR_DEBUG_MASK_MAX_SLEEP; + if (DISPLAY_VER(dev_priv) >= 20) + mask = EDP_PSR_DEBUG_MASK_MEMUP | + EDP_PSR_DEBUG_MASK_HPD | + EDP_PSR_DEBUG_MASK_LPSP; + else + mask = EDP_PSR_DEBUG_MASK_MEMUP | + EDP_PSR_DEBUG_MASK_HPD | + EDP_PSR_DEBUG_MASK_LPSP | + EDP_PSR_DEBUG_MASK_MAX_SLEEP; + /* * No separate pipe reg write mask on hsw/bdw, so have to unmask all -- 2.34.1