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From: Adam Jackson <ajax@redhat.com>
To: Paulo Zanoni <przanoni@gmail.com>
Cc: intel-gfx@lists.freedesktop.org, Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: Re: [PATCH 08/14] drm/i915: fix Haswell DP M/N registers
Date: Mon, 15 Oct 2012 16:29:58 -0400	[thread overview]
Message-ID: <507C7246.20209@redhat.com> (raw)
In-Reply-To: <1350327102-4463-9-git-send-email-przanoni@gmail.com>

On 10/15/12 2:51 PM, Paulo Zanoni wrote:

> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f48986b9..ba40aa7 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5356,7 +5356,8 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
>
>   	intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
>
> -	ironlake_set_m_n(crtc, mode, adjusted_mode);
> +	if (!(is_dp && !is_cpu_edp))
> +		ironlake_set_m_n(crtc, mode, adjusted_mode);

The double-negation here hurts my brain.  I think this would be clearer 
and equivalent phrased positively:

     if (!is_dp || is_pch_edp)
         ironlake_set_m_n(crtc, mode, adjusted_mode);

- ajax

  reply	other threads:[~2012-10-15 20:28 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-15 18:51 [PATCH 00/14] Haswell DP enablement Paulo Zanoni
2012-10-15 18:51 ` [PATCH 01/14] drm/i915: add DP support to intel_ddi_enable_pipe_func Paulo Zanoni
2012-10-16 10:04   ` Jani Nikula
2012-10-15 18:51 ` [PATCH 02/14] drm/i915: add intel_ddi_set_pipe_settings Paulo Zanoni
2012-10-16  8:05   ` Jani Nikula
2012-10-15 18:51 ` [PATCH 03/14] drm/i915: add DP support to intel_ddi_pll_mode_set Paulo Zanoni
2012-10-15 18:51 ` [PATCH 04/14] drm/i915: add DP support to intel_ddi_disable_port Paulo Zanoni
2012-10-16 10:05   ` Jani Nikula
2012-10-15 18:51 ` [PATCH 05/14] drm/i915: add DP support to intel_ddi_mode_set Paulo Zanoni
2012-10-18 18:00   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 06/14] drm/i915: add basic Haswell DP link train bits Paulo Zanoni
2012-10-16 11:47   ` Jani Nikula
2012-10-15 18:51 ` [PATCH 07/14] drm/i915: use TU_SIZE macro at intel_dp_set_m_n Paulo Zanoni
2012-10-16 11:49   ` Jani Nikula
2012-10-17 20:27     ` Daniel Vetter
2012-10-18 17:14       ` Paulo Zanoni
2012-10-18 19:36         ` Daniel Vetter
2012-10-15 18:51 ` [PATCH 08/14] drm/i915: fix Haswell DP M/N registers Paulo Zanoni
2012-10-15 20:29   ` Adam Jackson [this message]
2012-10-15 20:39     ` Daniel Vetter
2012-10-15 20:45       ` Paulo Zanoni
2012-10-18 15:42   ` [PATCH 08/83] " Paulo Zanoni
2012-10-15 18:51 ` [PATCH 09/14] drm/i915: fix DP AUX register definitions on Haswell Paulo Zanoni
2012-10-18 13:57   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 10/14] drm/i915: add DP support to intel_ddi_get_encoder_port Paulo Zanoni
2012-10-18 14:06   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 11/14] drm/i915: add DP support to intel_ddi_get_hw_state Paulo Zanoni
2012-10-18 14:14   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 12/14] drm/i915: add DP support to intel_enable_ddi Paulo Zanoni
2012-10-18 14:20   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 13/14] drm/i915: implement Haswell DP link train sequence Paulo Zanoni
2012-10-18 17:34   ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 14/14] drm/i915: set the correct function pointers for Haswell DP Paulo Zanoni
2012-10-18 17:36   ` Lespiau, Damien

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