Attachment 101820 Details for Bug 80463 – take power well ref around mode set

[patch] take power well ref around mode set

0001-drm-i915-take-display-power-well-ref-around-mode-set.patch (text/plain), 1.29 KB, created by Jesse Barnes on 2014-06-26 18:37:39 UTC

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Creator: Jesse Barnes

Created: 2014-06-26 18:37:39 UTC

Size: 1.29 KB

patch

obsolete

>From 5dba340d698f08e4bec97d553574b58870623cec Mon Sep 17 00:00:00 2001
>From: Jesse Barnes <jbarnes@virtuousgeek.org>
>Date: Thu, 26 Jun 2014 11:35:36 -0700
>Subject: [PATCH] drm/i915: take display power well ref around mode set
>
>Needed for all the state readout we do during the mode set.
>
>Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
>---
> drivers/gpu/drm/i915/intel_display.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>index 065984d..f8ac530 100644
>--- a/drivers/gpu/drm/i915/intel_display.c
>+++ b/drivers/gpu/drm/i915/intel_display.c
>@@ -10810,13 +10810,24 @@ static int intel_set_mode(struct drm_crtc *crtc,
> 			  struct drm_display_mode *mode,
> 			  int x, int y, struct drm_framebuffer *fb)
> {
>+	struct drm_i915_private *dev_priv = crtc->dev->dev_private;
>+	enum intel_display_power_domain domain;
>+	unsigned long pipe_domain;
> 	int ret;
> 
>+	pipe_domain = get_crtc_power_domains(crtc);
>+
>+	for_each_power_domain(domain, pipe_domain)
>+		intel_display_power_get(dev_priv, domain);
>+
> 	ret = __intel_set_mode(crtc, mode, x, y, fb);
> 
> 	if (ret == 0)
> 		intel_modeset_check_state(crtc->dev);
> 
>+	for_each_power_domain(domain, pipe_domain)
>+		intel_display_power_put(dev_priv, domain);
>+
> 	return ret;
> }
> 
>-- 
>1.9.1
>

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Attachments on bug 80463: 101656 | 101820 | 102162 | 102343 | 102498

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