[Intel-gfx] [PATCH v3] drm/i915/lnl: Remove watchdog timers for PSR

[Mika Kahola]

Watchdorg timers for Lunarlake HW were removed for PSR/PSR2
The patch removes the use of these timers from the driver code.

BSpec: 69895

v2: Reword commit message (Ville)
    Drop HPD mask from LNL (Ville)
    Revise masking logic (Jouni)
v3: Revise commit message (Ville)
    Revert HPD mask removal as irrelevant for this patch (Ville)

Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index bb65881e87cc..4f1f31fc9529 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -676,7 +676,9 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp)
 
 	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_MAX_SLEEP_TIME(max_sleep_time);
+
 	if (IS_HASWELL(dev_priv))
 		val |= EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES;
 
@@ -1400,8 +1402,10 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 	 */
 	mask = EDP_PSR_DEBUG_MASK_MEMUP |
 	       EDP_PSR_DEBUG_MASK_HPD |
-	       EDP_PSR_DEBUG_MASK_LPSP |
-	       EDP_PSR_DEBUG_MASK_MAX_SLEEP;
+	       EDP_PSR_DEBUG_MASK_LPSP;
+
+	if (DISPLAY_VER(dev_priv) < 20)
+		mask |= EDP_PSR_DEBUG_MASK_MAX_SLEEP;
 
 	/*
 	 * No separate pipe reg write mask on hsw/bdw, so have to unmask all
-- 
2.34.1