iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/lnl: Remove watchdog timers for PSR

Browse Source 
[ 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 <mika.kahola@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
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 <sashal@kernel.org>
This commit is contained in:
Mika Kahola 2023-10-10 12:52:33 +03:00 committed by Greg Kroah-Hartman
parent 46ac4e1f9a
commit e017ec3807
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -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