Attachment 133202 Details for Bug 94161 – Set NEEDS_WaRsDisableCoarsePowerGating for Skylake GT2 GPUs

[patch] Set NEEDS_WaRsDisableCoarsePowerGating for Skylake GT2 GPUs

i915-WaRsDisableCoarsePowerGating-gt2.patch (text/plain), 1.41 KB, created by Gordon Messmer on 2017-08-02 15:48:33 UTC

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Creator: Gordon Messmer

Created: 2017-08-02 15:48:33 UTC

Size: 1.41 KB

patch

obsolete

>From 5c2b0ba115a1b33da9f46372bac84b44c83babc3 Mon Sep 17 00:00:00 2001
>From: Fedora Kernel Team <kernel-team@fedoraproject.org>
>Date: Tue, 1 Aug 2017 12:21:49 -0700
>Subject: [PATCH] Set NEEDS_WaRsDisableCoarsePowerGating for GT2 GPUs
>
>---
> drivers/gpu/drm/i915/i915_drv.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>index 2c453a4..36a51ac 100644
>--- a/drivers/gpu/drm/i915/i915_drv.h
>+++ b/drivers/gpu/drm/i915/i915_drv.h
>@@ -2786,6 +2786,8 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg)
> #define IS_KBL_ULX(dev_priv)	(INTEL_DEVID(dev_priv) == 0x590E || \
> 				 INTEL_DEVID(dev_priv) == 0x5915 || \
> 				 INTEL_DEVID(dev_priv) == 0x591E)
>+#define IS_SKL_GT2(dev_priv)	(IS_SKYLAKE(dev_priv) && \
>+				 (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0010)
> #define IS_SKL_GT3(dev_priv)	(IS_SKYLAKE(dev_priv) && \
> 				 (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0020)
> #define IS_SKL_GT4(dev_priv)	(IS_SKYLAKE(dev_priv) && \
>@@ -2887,7 +2889,7 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg)
> 
> /* WaRsDisableCoarsePowerGating:skl,bxt */
> #define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \
>-	(IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
>+	(IS_SKL_GT2(dev_priv) || IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
> 
> /*
>  * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
>-- 
>1.8.3.1
>

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Attachments on bug 94161: 121772 | 122204 | 122661 | 122664 | 122856 | 133202

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