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* [PATCH] drm: Fix typo in encoder docs
@ 2016-09-19 22:40 Dhinakaran Pandiyan
  2016-09-19 22:50 ` ✗ Fi.CI.BAT: warning for " Patchwork
  2016-09-21 11:34 ` [PATCH] " Daniel Vetter
  0 siblings, 2 replies; 3+ messages in thread
From: Dhinakaran Pandiyan @ 2016-09-19 22:40 UTC (permalink / raw)
  To: dri-devel; +Cc: Daniel Vetter, intel-gfx, Dhinakaran Pandiyan, Archit Taneja

Corrected typo in bridge and encoder comparison. Also, added a one-line
encoder description from the previous documentation.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Archit Taneja <architt@codeaurora.org>

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
---
 drivers/gpu/drm/drm_encoder.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c
index 998a674..5c06771 100644
--- a/drivers/gpu/drm/drm_encoder.c
+++ b/drivers/gpu/drm/drm_encoder.c
@@ -31,20 +31,21 @@
  *
  * Encoders represent the connecting element between the CRTC (as the overall
  * pixel pipeline, represented by struct &drm_crtc) and the connectors (as the
- * generic sink entity, represented by struct &drm_connector). Encoders are
- * objects exposed to userspace, originally to allow userspace to infer cloning
- * and connector/CRTC restrictions. Unfortunately almost all drivers get this
- * wrong, making the uabi pretty much useless. On top of that the exposed
- * restrictions are too simple for todays hardware, and the recommend way to
- * infer restrictions is by using the DRM_MODE_ATOMIC_TEST_ONLY flag for the
- * atomic IOCTL.
+ * generic sink entity, represented by struct &drm_connector). An encoder takes
+ * pixel data from a CRTC and converts it to a format suitable for any attached
+ * connector. Encoders are objects exposed to userspace, originally to allow
+ * userspace to infer cloning and connector/CRTC restrictions. Unfortunately
+ * almost all drivers get this wrong, making the uabi pretty much useless. On
+ * top of that the exposed restrictions are too simple for today's hardware, and
+ * the recommended way to infer restrictions is by using the
+ * DRM_MODE_ATOMIC_TEST_ONLY flag for the atomic IOCTL.
  *
  * Otherwise encoders aren't used in the uapi at all (any modeset request from
  * userspace directly connects a connector with a CRTC), drivers are therefore
  * free to use them however they wish. Modeset helper libraries make strong use
  * of encoders to facilitate code sharing. But for more complex settings it is
  * usually better to move shared code into a separate &drm_bridge. Compared to
- * encoders bridges also have the benefit of not being purely an internal
+ * encoders, bridges also have the benefit of being purely an internal
  * abstraction since they are not exposed to userspace at all.
  *
  * Encoders are initialized with drm_encoder_init() and cleaned up using
-- 
2.5.0

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* ✗ Fi.CI.BAT: warning for drm: Fix typo in encoder docs
  2016-09-19 22:40 [PATCH] drm: Fix typo in encoder docs Dhinakaran Pandiyan
@ 2016-09-19 22:50 ` Patchwork
  2016-09-21 11:34 ` [PATCH] " Daniel Vetter
  1 sibling, 0 replies; 3+ messages in thread
From: Patchwork @ 2016-09-19 22:50 UTC (permalink / raw)
  To: Pandiyan, Dhinakaran; +Cc: intel-gfx

== Series Details ==

Series: drm: Fix typo in encoder docs
URL   : https://patchwork.freedesktop.org/series/12666/
State : warning

== Summary ==

Series 12666v1 drm: Fix typo in encoder docs
https://patchwork.freedesktop.org/api/1.0/series/12666/revisions/1/mbox/

Test kms_pipe_crc_basic:
        Subgroup read-crc-pipe-b-frame-sequence:
                pass       -> SKIP       (fi-hsw-4770r)

fi-bdw-5557u     total:244  pass:229  dwarn:0   dfail:0   fail:0   skip:15 
fi-bsw-n3050     total:244  pass:202  dwarn:0   dfail:0   fail:0   skip:42 
fi-byt-n2820     total:244  pass:208  dwarn:0   dfail:0   fail:1   skip:35 
fi-hsw-4770k     total:244  pass:226  dwarn:0   dfail:0   fail:0   skip:18 
fi-hsw-4770r     total:244  pass:221  dwarn:0   dfail:0   fail:0   skip:23 
fi-ilk-650       total:244  pass:183  dwarn:0   dfail:0   fail:1   skip:60 
fi-ivb-3520m     total:244  pass:219  dwarn:0   dfail:0   fail:0   skip:25 
fi-ivb-3770      total:244  pass:207  dwarn:0   dfail:0   fail:0   skip:37 
fi-skl-6260u     total:244  pass:230  dwarn:0   dfail:0   fail:0   skip:14 
fi-skl-6700hq    total:244  pass:221  dwarn:0   dfail:0   fail:1   skip:22 
fi-skl-6700k     total:244  pass:219  dwarn:1   dfail:0   fail:0   skip:24 
fi-skl-6770hq    total:244  pass:228  dwarn:1   dfail:0   fail:1   skip:14 
fi-snb-2520m     total:244  pass:208  dwarn:0   dfail:0   fail:0   skip:36 
fi-snb-2600      total:244  pass:207  dwarn:0   dfail:0   fail:0   skip:37 

Results at /archive/results/CI_IGT_test/Patchwork_2557/

4c518aef024daa0223692124baa2d7399f54dd97 drm-intel-nightly: 2016y-09m-19d-20h-40m-51s UTC integration manifest
991a333 drm: Fix typo in encoder docs

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm: Fix typo in encoder docs
  2016-09-19 22:40 [PATCH] drm: Fix typo in encoder docs Dhinakaran Pandiyan
  2016-09-19 22:50 ` ✗ Fi.CI.BAT: warning for " Patchwork
@ 2016-09-21 11:34 ` Daniel Vetter
  1 sibling, 0 replies; 3+ messages in thread
From: Daniel Vetter @ 2016-09-21 11:34 UTC (permalink / raw)
  To: Dhinakaran Pandiyan; +Cc: Daniel Vetter, intel-gfx, dri-devel

On Mon, Sep 19, 2016 at 03:40:48PM -0700, Dhinakaran Pandiyan wrote:
> Corrected typo in bridge and encoder comparison. Also, added a one-line
> encoder description from the previous documentation.
> 
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Archit Taneja <architt@codeaurora.org>
> 
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>

Thanks for spotting these and creating the patch, applied to drm-misc.
-Daniel

> ---
>  drivers/gpu/drm/drm_encoder.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c
> index 998a674..5c06771 100644
> --- a/drivers/gpu/drm/drm_encoder.c
> +++ b/drivers/gpu/drm/drm_encoder.c
> @@ -31,20 +31,21 @@
>   *
>   * Encoders represent the connecting element between the CRTC (as the overall
>   * pixel pipeline, represented by struct &drm_crtc) and the connectors (as the
> - * generic sink entity, represented by struct &drm_connector). Encoders are
> - * objects exposed to userspace, originally to allow userspace to infer cloning
> - * and connector/CRTC restrictions. Unfortunately almost all drivers get this
> - * wrong, making the uabi pretty much useless. On top of that the exposed
> - * restrictions are too simple for todays hardware, and the recommend way to
> - * infer restrictions is by using the DRM_MODE_ATOMIC_TEST_ONLY flag for the
> - * atomic IOCTL.
> + * generic sink entity, represented by struct &drm_connector). An encoder takes
> + * pixel data from a CRTC and converts it to a format suitable for any attached
> + * connector. Encoders are objects exposed to userspace, originally to allow
> + * userspace to infer cloning and connector/CRTC restrictions. Unfortunately
> + * almost all drivers get this wrong, making the uabi pretty much useless. On
> + * top of that the exposed restrictions are too simple for today's hardware, and
> + * the recommended way to infer restrictions is by using the
> + * DRM_MODE_ATOMIC_TEST_ONLY flag for the atomic IOCTL.
>   *
>   * Otherwise encoders aren't used in the uapi at all (any modeset request from
>   * userspace directly connects a connector with a CRTC), drivers are therefore
>   * free to use them however they wish. Modeset helper libraries make strong use
>   * of encoders to facilitate code sharing. But for more complex settings it is
>   * usually better to move shared code into a separate &drm_bridge. Compared to
> - * encoders bridges also have the benefit of not being purely an internal
> + * encoders, bridges also have the benefit of being purely an internal
>   * abstraction since they are not exposed to userspace at all.
>   *
>   * Encoders are initialized with drm_encoder_init() and cleaned up using
> -- 
> 2.5.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2016-09-19 22:40 [PATCH] drm: Fix typo in encoder docs Dhinakaran Pandiyan
2016-09-19 22:50 ` ✗ Fi.CI.BAT: warning for " Patchwork
2016-09-21 11:34 ` [PATCH] " Daniel Vetter

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