Attachment 145509 Details for Bug 111749 – patch for setting bits 31:30 of PSR_DEBUG to force non idle frame exit deep sleep

[patch] patch for setting bits 31:30 of PSR_DEBUG to force non idle frame exit deep sleep

0001-set-bit-31-30-of-EDP_PSR_DEBUG-to-force-non-idle-fra.patch (text/plain), 1.60 KB, created by Abhishek Kumar on 2019-09-25 06:51:02 UTC

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Creator: Abhishek Kumar

Created: 2019-09-25 06:51:02 UTC

Size: 1.60 KB

patch

obsolete

>From dc9f4e56137dab8486b11f6b25d8ec4f302b6a40 Mon Sep 17 00:00:00 2001
>From: Srinivasan S <srinivasan.s@intel.com>
>Date: Wed, 25 Sep 2019 12:06:06 +0530
>Subject: [PATCH]  set bit 31:30 of EDP_PSR_DEBUG to force non-idle frame exit
> deep sleep
>
>Change-Id: Ie6276d040087fb19f14684fc3cd21d6456abfb0d
>---
> drivers/gpu/drm/i915/i915_reg.h  | 1 +
> drivers/gpu/drm/i915/intel_psr.c | 3 ++-
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>index fc1c40b9dea1..7693c65f731e 100644
>--- a/drivers/gpu/drm/i915/i915_reg.h
>+++ b/drivers/gpu/drm/i915/i915_reg.h
>@@ -4173,6 +4173,7 @@ enum {
> #define   EDP_PSR_PERF_CNT_MASK		0xffffff
> 
> #define EDP_PSR_DEBUG				_MMIO(dev_priv->psr_mmio_base + 0x60) /* PSR_MASK on SKL+ */
>+#define   EDP_PSR_DEBUG_MASK_FORCE_DEEP_SLEEP_EXIT        (3 << 30)
> #define   EDP_PSR_DEBUG_MASK_MAX_SLEEP         (1 << 28)
> #define   EDP_PSR_DEBUG_MASK_LPSP              (1 << 27)
> #define   EDP_PSR_DEBUG_MASK_MEMUP             (1 << 26)
>diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
>index c1278b2ede09..211d3e601351 100644
>--- a/drivers/gpu/drm/i915/intel_psr.c
>+++ b/drivers/gpu/drm/i915/intel_psr.c
>@@ -707,7 +707,8 @@ 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_MAX_SLEEP|
>+	       EDP_PSR_DEBUG_MASK_FORCE_DEEP_SLEEP_EXIT;
> 
> 	if (INTEL_GEN(dev_priv) < 11)
> 		mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
>-- 
>2.7.4
>

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Attachments on bug 111749: 145431 | 145432 | 145460 | 145489 | 145509 | 145547 | 145548 | 145549

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