From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: "Xie, William" <william.xie@intel.com>
Cc: DRI Development <dri-devel@lists.freedesktop.org>
Subject: Re: Help on drmModeSetPlane
Date: Wed, 15 Apr 2015 14:22:42 +0300 [thread overview]
Message-ID: <20150415112242.GB1237@intel.com> (raw)
In-Reply-To: <D95B070D38087A47ADCD55E64CDD74BD0EA9C0C4@SHSMSX101.ccr.corp.intel.com>
On Wed, Apr 15, 2015 at 08:49:39AM +0000, Xie, William wrote:
> To make it more specific,
>
> For example:
> 1: video frame size is 1280x720,
> 2: screen resolution is 3200x1800,
>
> How can I set crtc and src parameters?
>
> 1: crtc (0, 0, 3200, 1800) src (0, 0, 3200<<16, 1800<<16)
> 2: crtc (0, 0, 3200, 1800) src (0, 0, 1280<<16, 720<<16)
>
> Which one is correct?
2 is correct.
What hardware are you trying this on? Do note that on HSW/BDW/VLV/CHV
the hardware lost the plane scaling ability. It's coming back on SKL.
>
> William
>
> From: Xie, William
> Sent: Wednesday, April 15, 2015 3:55 PM
> To: DRI Development; DRI Development
> Subject: Help on drmModeSetPlane
>
> Question please, could someone share the meaning of the parameters for drmModeSetPlane in libdrm?
>
> int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
> uint32_t fb_id, uint32_t flags,
> int32_t crtc_x, int32_t crtc_y,
> uint32_t crtc_w, uint32_t crtc_h,
> uint32_t src_x, uint32_t src_y,
> uint32_t src_w, uint32_t src_h)
>
>
> My problem is, whatever value I set, the video is not full screen mode,
> Anything I missed?
>
> Thanks
> William
>
>
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrjälä
Intel OTC
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next prev parent reply other threads:[~2015-04-15 11:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-15 8:49 Help on drmModeSetPlane Xie, William
2015-04-15 11:22 ` Ville Syrjälä [this message]
2015-04-15 14:24 ` Xie, William
2015-04-15 14:33 ` Ville Syrjälä
2015-04-17 9:30 ` Xie, William
2015-04-17 10:07 ` Ville Syrjälä
2015-04-27 9:37 ` Xie, William
2015-04-27 12:48 ` Ville Syrjälä
-- strict thread matches above, loose matches on Subject: below --
2015-04-15 8:52 Xie, William
2015-06-04 4:59 ` Xie, William
2015-06-05 17:19 ` Matt Roper
2015-04-15 7:56 Xie, William
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