Attachment 82997 Details for Bug 65442 – sanitize requested sync polarity flags

[patch] sanitize requested sync polarity flags

0001-drm-i915-sanitize-requested-sync-polarity-flags.patch (text/plain), 1.43 KB, created by Imre Deak on 2013-07-25 13:09:14 UTC

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Creator: Imre Deak

Created: 2013-07-25 13:09:14 UTC

Size: 1.43 KB

patch

obsolete

>From 8b88d2baf39a33c9579bbf17266535d9326fb5d8 Mon Sep 17 00:00:00 2001
>From: Imre Deak <imre.deak@intel.com>
>Date: Thu, 25 Jul 2013 15:55:11 +0300
>Subject: [PATCH] drm/i915: sanitize requested sync polarity flags
>
>Signed-off-by: Imre Deak <imre.deak@intel.com>
>---
> drivers/gpu/drm/i915/intel_display.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>index baaefd7..98f0fa6 100644
>--- a/drivers/gpu/drm/i915/intel_display.c
>+++ b/drivers/gpu/drm/i915/intel_display.c
>@@ -8058,6 +8058,19 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
> 		(enum transcoder) to_intel_crtc(crtc)->pipe;
> 	pipe_config->shared_dpll = DPLL_ID_PRIVATE;
> 
>+	/*
>+	 * Sanitize sync polarity flags based on requested ones. If neither
>+	 * positive or negative polarity is requested, treat this as meaning
>+	 * negative polarity.
>+	 */
>+	if (!(pipe_config->adjusted_mode.flags &
>+	      (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC)))
>+		pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC;
>+
>+	if (!(pipe_config->adjusted_mode.flags &
>+	      (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC)))
>+		pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC;
>+
> 	/* Compute a starting value for pipe_config->pipe_bpp taking the source
> 	 * plane pixel format and any sink constraints into account. Returns the
> 	 * source plane bpp so that dithering can be selected on mismatches
>-- 
>1.8.3.2
>

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Attachments on bug 65442: 80383 | 82794 | 82997

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