From e017ec3807d40a196dd328ca25b3219e0f97c9cc Mon Sep 17 00:00:00 2001 From: Mika Kahola Date: Tue, 10 Oct 2023 12:52:33 +0300 Subject: [PATCH] drm/i915/lnl: Remove watchdog timers for PSR MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit [ Upstream commit a2cd15c2411624a7a97bad60d98d7e0a1e5002a6 ] Watchdog 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 Reviewed-by: Jouni Högander Signed-off-by: Jouni Högander Link: https://patchwork.freedesktop.org/patch/msgid/20231010095233.590613-1-mika.kahola@intel.com Stable-dep-of: f9f031dd21a7 ("drm/i915/psr: Only allow PSR in LPSP mode on HSW non-ULT") Signed-off-by: Sasha Levin --- 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 97d5eef..848ac48 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -674,7 +674,9 @@ 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; @@ -1399,8 +1401,10 @@ 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 -- 2.7.4