diff options
| author | José Roberto de Souza <jose.souza@intel.com> | 2021-04-08 13:49:17 -0700 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2021-04-12 09:45:36 -0700 |
| commit | f10fe8f89d85ab170ec4491cd15ba7410a03a4c8 (patch) | |
| tree | a40a3fd31e455f83117f89151b51ac1375fb621e /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 41c70d2b7170274b8aa93b7f1d33eabd55871a0e (diff) | |
Revert "drm/i915/tgl/psr: Fix glitches when doing frontbuffer modifications"
This reverts commit 71c1a4998320962f7b8362b2c5ee36610d49e8fb.
The proper fix is Wa_14013723622, so now we can revert this WA and
get back some power savings.
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Tested-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210408204917.254272-2-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 2627d0b558f3..bf8e4ede2a6c 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1167,21 +1167,7 @@ static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (IS_TIGERLAKE(dev_priv)) - /* - * Writes to CURSURFLIVE in TGL are causing IOMMU errors and - * visual glitches that are often reproduced when executing - * CPU intensive workloads while a eDP 4K panel is attached. - * - * Manually exiting PSR causes the frontbuffer to be updated - * without glitches and the IOMMU errors are also gone but - * this comes at the cost of less time with PSR active. - * - * So using this workaround until this issue is root caused - * and a better fix is found. - */ - intel_psr_exit(intel_dp); - else if (DISPLAY_VER(dev_priv) >= 9) + if (DISPLAY_VER(dev_priv) >= 9) /* * Display WA #0884: skl+ * This documented WA for bxt can be safely applied |