Attachment 132107 Details for Bug 101144 – 2_Patch_Set_2

[patch] 2_Patch_Set_2

0002-drm-i915-dp-Set-panel-power-cycle-delay-to-800ms-ins.patch (text/plain), 1.64 KB, created by Manasi on 2017-06-20 23:47:20 UTC

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Creator: Manasi

Created: 2017-06-20 23:47:20 UTC

Size: 1.64 KB

patch

obsolete

>From cda96700cbf8bbc647b63c0c5aad2684f7c56f3d 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 800ms 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 | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 22f7014..957db8c 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;
> 	}
> }
> 
>@@ -5262,7 +5262,8 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
> 	assign_final(t8);
> 	assign_final(t9);
> 	assign_final(t10);
>-	assign_final(t11_t12);
>+	//assign_final(t11_t12);
>+	final->t11_t12 = 7000;
> #undef assign_final
> 
> #define get_delay(field)	(DIV_ROUND_UP(final->field, 10))
>@@ -5345,7 +5346,7 @@ 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 + 3000), 1000)
> 				<< PANEL_POWER_CYCLE_DELAY_SHIFT);
> 	}
> 
>-- 
>2.1.4
>

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

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