From: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Date: Mon, 18 Jun 2018 11:42:06 +0530
Subject: drm/i915/psr: Adds psrwake options for all platforms
Git-commit: 0fdb3f75a358256188b88391d698349af8cb7340
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Adds new psrwake options defined in the below table.
Platform PSR wake options vbt version
KBL/CFL/WHL All(205+)
BXT Uses old interpretation.
CNL/ICL+ All(205+)
GLK All(205+)
SKL All PV releases (Check for 205+ might help but cannot be foolproof)
We will continue with newer interpretation for SKL from 205.
v2: Jani
Keep the bdb version check.
v3:
Apply newer version for skl from 205+(DK).
Add (version check && platform list) (Jani).
Add bdb version for each platform in commit message(DK).
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Puthikorn Voravootivat <puthik@chromium.org>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Ashutosh D Shukla <ashutosh.d.shukla@intel.com>
Cc: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1529302326-3567-1-git-send-email-vathsala.nagaraju@intel.com
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/intel_bios.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -710,7 +710,9 @@ parse_psr(struct drm_i915_private *dev_p
* New psr options 0=500us, 1=100us, 2=2500us, 3=0us
* Old decimal value is wake up time in multiples of 100 us.
*/
- if (bdb->version >= 209 && IS_GEN9_BC(dev_priv)) {
+ if (bdb->version >= 205 &&
+ (IS_GEN9_BC(dev_priv) || IS_GEMINILAKE(dev_priv) ||
+ INTEL_GEN(dev_priv) >= 10)) {
switch (psr_table->tp1_wakeup_time) {
case 0:
dev_priv->vbt.psr.tp1_wakeup_time_us = 500;