Attachment 95711 Details for Bug 76103 – [PATCH 2/3] drm/i915: Calculate gen3 SR watermark with 32bpp pixel

[patch] [PATCH 2/3] drm/i915: Calculate gen3 SR watermark with 32bpp pixel

0002-drm-i915-Calculate-gen3-SR-watermark-with-32bpp-pixe.patch (text/plain), 1.16 KB, created by Ville Syrjala on 2014-03-13 11:07:54 UTC

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Creator: Ville Syrjala

Created: 2014-03-13 11:07:54 UTC

Size: 1.16 KB

patch

obsolete

>From f6513d93f7c7dbe5392bff51a72f8384385daee6 Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
>Date: Thu, 13 Mar 2014 11:31:17 +0200
>Subject: [PATCH 2/3] drm/i915: Calculate gen3 SR watermark with 32bpp pixel
> size
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>BSpec says to always 32bpp when calculating the self-refresh watermark
>for gen3.
>
>Signed-off-by: Ville SyrjÃ¤lÃ¤ <ville.syrjala@linux.intel.com>
>---
> drivers/gpu/drm/i915/intel_pm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
>index 3d09738..54aec02 100644
>--- a/drivers/gpu/drm/i915/intel_pm.c
>+++ b/drivers/gpu/drm/i915/intel_pm.c
>@@ -1559,7 +1559,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
> 		int clock = adjusted_mode->crtc_clock;
> 		int htotal = adjusted_mode->crtc_htotal;
> 		int hdisplay = to_intel_crtc(enabled)->config.pipe_src_w;
>-		int pixel_size = enabled->fb->bits_per_pixel / 8;
>+		int pixel_size = 4; /* always 32bpp for self-refresh watermark */
> 		unsigned long line_time_us;
> 		int entries;
> 
>-- 
>1.8.3.2
>

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Attachments on bug 76103: 95693 | 95694 | 95710 | 95711 | 95712 | 95713 | 95715 | 95718 | 95724 | 95785 | 96446 | 96448 | 96743

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