From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Paulo Zanoni <przanoni@gmail.com>
Cc: intel-gfx@lists.freedesktop.org, Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: Re: [PATCH 3/9] drm/i915: use the mode->htotal to calculate linetime watermarks
Date: Mon, 20 May 2013 16:42:48 +0300 [thread overview]
Message-ID: <20130520134248.GF14974@intel.com> (raw)
In-Reply-To: <1367612625-4823-4-git-send-email-przanoni@gmail.com>
On Fri, May 03, 2013 at 05:23:39PM -0300, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni@intel.com>
>
> ... instead of mode->crtc_display. The spec says "pipe horizontal
> total number of pixels" and the "Haswell Watermark Calculator" tool
> uses the "Pipe H Total" instead of "Pipe H Src" as the value.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <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 d056bc9..4cc5f99 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2035,7 +2035,7 @@ haswell_update_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc)
> * row at the given clock rate, multiplied by 8.
> * */
> temp |= PIPE_WM_LINETIME_TIME(
> - ((mode->crtc_hdisplay * 1000) / mode->clock) * 8);
> + ((mode->htotal * 1000) / mode->clock) * 8);
>
> /* IPS watermarks are only used by pipe A, and are ignored by
> * pipes B and C. They are calculated similarly to the common
> --
> 1.7.10.4
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel OTC
next prev parent reply other threads:[~2013-05-20 13:42 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 20:23 [PATCH 0/9] Haswell watermarks, round 1 Paulo Zanoni
2013-05-03 20:23 ` [PATCH 1/9] drm/i915: ILK, SNB and IVB don't have linetime watermarks Paulo Zanoni
2013-05-20 13:41 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 2/9] drm/i915: fix linetime_watermarks code Paulo Zanoni
2013-05-05 7:19 ` Chris Wilson
2013-05-06 13:13 ` Paulo Zanoni
2013-05-06 13:43 ` Chris Wilson
2013-05-09 19:55 ` [PATCH 2/9] drm/i915: remove intel_update_linetime_watermarks Paulo Zanoni
2013-05-20 13:48 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 3/9] drm/i915: use the mode->htotal to calculate linetime watermarks Paulo Zanoni
2013-05-20 13:42 ` Ville Syrjälä [this message]
2013-05-21 9:26 ` Daniel Vetter
2013-05-21 14:33 ` Paulo Zanoni
2013-05-21 14:59 ` Daniel Vetter
2013-05-03 20:23 ` [PATCH 4/9] drm/i915: fix haswell linetime watermarks calculation Paulo Zanoni
2013-05-20 13:53 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 5/9] drm/i915: use the correct clock when calculating linetime watermarks Paulo Zanoni
2013-05-20 14:00 ` Ville Syrjälä
2013-05-21 9:35 ` Daniel Vetter
2013-05-03 20:23 ` [PATCH 6/9] drm/i915: make intel_ddi_get_cdclk_freq return values in KHz Paulo Zanoni
2013-05-05 7:20 ` Chris Wilson
2013-05-06 13:53 ` Paulo Zanoni
2013-05-20 14:11 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 7/9] drm/i915: set the IPS linetime watermark Paulo Zanoni
2013-05-20 14:05 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 8/9] drm/i915: MCH_SSKPD is a 64 bit register on Haswell Paulo Zanoni
2013-05-20 13:38 ` Ville Syrjälä
2013-05-03 20:23 ` [PATCH 9/9] drm/i915: set FORCE_ARB_IDLE_PLANES workaround Paulo Zanoni
2013-05-20 13:37 ` Ville Syrjälä
2013-05-21 10:01 ` Daniel Vetter
2013-05-21 13:27 ` Paulo Zanoni
2013-05-23 10:36 ` Ville Syrjälä
2013-05-23 10:51 ` Daniel Vetter
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