Attachment 132104 Details for Bug 101144 – 2_Patch_Set_1

[patch] 2_Patch_Set_1

0002-drm-i915-dp-Set-panel-power-cycle-delay-to-500ms-ins.patch (text/plain), 1.33 KB, created by Manasi on 2017-06-20 23:46:06 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Manasi

Created: 2017-06-20 23:46:06 UTC

Size: 1.33 KB

patch

obsolete

>From db39fd812206bec90126bc6ba01f9980f4c3464b Mon Sep 17 00:00:00 2001
>From: Manasi Navare <manasi.d.navare@intel.com>
>Date: Mon, 19 Jun 2017 17:30:25 -0700
>Subject: [PATCH 2/3] drm/i915/dp: Set panel power cycle delay to 500ms instead
> of current 400ms
>
>Also fix the hW readout to fix pps mismatch warning
>
>Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
>---
> drivers/gpu/drm/i915/intel_dp.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 22f7014..9ee851e 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -5188,8 +5188,8 @@ intel_pps_readout_hw_state(struct drm_i915_private *dev_priv,
> 		else
> 			seq->t11_t12 = 0;
> 	} else {
>-		seq->t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >>
>-		       PANEL_POWER_CYCLE_DELAY_SHIFT) * 1000;
>+		seq->t11_t12 = (((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >>
>+				 PANEL_POWER_CYCLE_DELAY_SHIFT) - 1) * 1000;
> 	}
> }
> 
>@@ -5345,7 +5345,7 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
> 				<< BXT_POWER_CYCLE_DELAY_SHIFT);
> 	} else {
> 		pp_div = ((100 * div)/2 - 1) << PP_REFERENCE_DIVIDER_SHIFT;
>-		pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
>+		pp_div |= (DIV_ROUND_UP((seq->t11_t12 + 1), 1000)
> 				<< PANEL_POWER_CYCLE_DELAY_SHIFT);
> 	}
> 
>-- 
>2.1.4
>

Actions: View | Splinter Review

Attachments on bug 101144: 131702 | 131941 | 131945 | 131965 | 131988 | 131989 | 131996 | 131997 | 131998 | 131999 | 132000 | 132103 | 132104 | 132105 | 132106 | 132107 | 132108

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.