* [PATCH v2] Limit CHV max cdclk
@ 2015-06-11 7:54 Mika Kahola
2015-06-11 7:54 ` [PATCH v2] drm/i915: " Mika Kahola
0 siblings, 1 reply; 5+ messages in thread
From: Mika Kahola @ 2015-06-11 7:54 UTC (permalink / raw)
To: intel-gfx
For Cherryview the CD clock is limited up
to 320MHz.
Mika Kahola (1):
drm/i915: Limit CHV max cdclk
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
1.9.1
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v2] drm/i915: Limit CHV max cdclk
2015-06-11 7:54 [PATCH v2] Limit CHV max cdclk Mika Kahola
@ 2015-06-11 7:54 ` Mika Kahola
2015-06-11 9:03 ` Jani Nikula
2015-06-14 16:14 ` shuang.he
0 siblings, 2 replies; 5+ messages in thread
From: Mika Kahola @ 2015-06-11 7:54 UTC (permalink / raw)
To: intel-gfx
Limit CHV maximum cdclk to 320MHz.
v2: Rebase to the latest
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c38c297..ab40d04 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5647,7 +5647,7 @@ static void intel_update_max_cdclk(struct drm_device *dev)
else
dev_priv->max_cdclk_freq = 675000;
} else if (IS_VALLEYVIEW(dev)) {
- dev_priv->max_cdclk_freq = 400000;
+ dev_priv->max_cdclk_freq = IS_CHERRYVIEW(dev) ? 320000 : 400000;
} else {
/* otherwise assume cdclk is fixed */
dev_priv->max_cdclk_freq = dev_priv->cdclk_freq;
--
1.9.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/i915: Limit CHV max cdclk
2015-06-11 7:54 ` [PATCH v2] drm/i915: " Mika Kahola
@ 2015-06-11 9:03 ` Jani Nikula
2015-06-11 9:29 ` Mika Kahola
2015-06-14 16:14 ` shuang.he
1 sibling, 1 reply; 5+ messages in thread
From: Jani Nikula @ 2015-06-11 9:03 UTC (permalink / raw)
To: Mika Kahola, intel-gfx
On Thu, 11 Jun 2015, Mika Kahola <mika.kahola@intel.com> wrote:
> Limit CHV maximum cdclk to 320MHz.
>
> v2: Rebase to the latest
>
> Signed-off-by: Mika Kahola <mika.kahola@intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index c38c297..ab40d04 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5647,7 +5647,7 @@ static void intel_update_max_cdclk(struct drm_device *dev)
> else
> dev_priv->max_cdclk_freq = 675000;
> } else if (IS_VALLEYVIEW(dev)) {
> - dev_priv->max_cdclk_freq = 400000;
> + dev_priv->max_cdclk_freq = IS_CHERRYVIEW(dev) ? 320000 : 400000;
I'd rather make this:
} else if (IS_CHERRYVIEW(dev)) {
dev_priv->max_cdclk_freq = 320000;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->max_cdclk_freq = 400000;
} else {
BR,
Jani.
> /* otherwise assume cdclk is fixed */
> dev_priv->max_cdclk_freq = dev_priv->cdclk_freq;
> --
> 1.9.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Jani Nikula, Intel Open Source Technology Center
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/i915: Limit CHV max cdclk
2015-06-11 9:03 ` Jani Nikula
@ 2015-06-11 9:29 ` Mika Kahola
0 siblings, 0 replies; 5+ messages in thread
From: Mika Kahola @ 2015-06-11 9:29 UTC (permalink / raw)
To: Jani Nikula; +Cc: intel-gfx
On Thu, 2015-06-11 at 12:03 +0300, Jani Nikula wrote:
> On Thu, 11 Jun 2015, Mika Kahola <mika.kahola@intel.com> wrote:
> > Limit CHV maximum cdclk to 320MHz.
> >
> > v2: Rebase to the latest
> >
> > Signed-off-by: Mika Kahola <mika.kahola@intel.com>
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index c38c297..ab40d04 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -5647,7 +5647,7 @@ static void intel_update_max_cdclk(struct drm_device *dev)
> > else
> > dev_priv->max_cdclk_freq = 675000;
> > } else if (IS_VALLEYVIEW(dev)) {
> > - dev_priv->max_cdclk_freq = 400000;
> > + dev_priv->max_cdclk_freq = IS_CHERRYVIEW(dev) ? 320000 : 400000;
>
> I'd rather make this:
>
> } else if (IS_CHERRYVIEW(dev)) {
> dev_priv->max_cdclk_freq = 320000;
> } else if (IS_VALLEYVIEW(dev)) {
> dev_priv->max_cdclk_freq = 400000;
> } else {
>
> BR,
> Jani.
It's probably more readable that way. I'll revise the patch.
Cheers,
Mika
>
> > /* otherwise assume cdclk is fixed */
> > dev_priv->max_cdclk_freq = dev_priv->cdclk_freq;
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
_______________________________________________
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http://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/i915: Limit CHV max cdclk
2015-06-11 7:54 ` [PATCH v2] drm/i915: " Mika Kahola
2015-06-11 9:03 ` Jani Nikula
@ 2015-06-14 16:14 ` shuang.he
1 sibling, 0 replies; 5+ messages in thread
From: shuang.he @ 2015-06-14 16:14 UTC (permalink / raw)
To: shuang.he, lei.a.liu, intel-gfx, mika.kahola
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Task id: 6567
-------------------------------------Summary-------------------------------------
Platform Delta drm-intel-nightly Series Applied
PNV 276/276 276/276
ILK 303/303 303/303
SNB 312/312 312/312
IVB 343/343 343/343
BYT 287/287 287/287
BDW 321/321 321/321
-------------------------------------Detailed-------------------------------------
Platform Test drm-intel-nightly Series Applied
Note: You need to pay more attention to line start with '*'
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^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-06-14 16:14 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2015-06-11 7:54 [PATCH v2] Limit CHV max cdclk Mika Kahola
2015-06-11 7:54 ` [PATCH v2] drm/i915: " Mika Kahola
2015-06-11 9:03 ` Jani Nikula
2015-06-11 9:29 ` Mika Kahola
2015-06-14 16:14 ` shuang.he
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