All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Srinivas, Vidya" <vidya.srinivas@intel.com>
To: Mark Yacoub <markyacoub@chromium.org>
Cc: "igt-dev@lists.freedesktop.org" <igt-dev@lists.freedesktop.org>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"Lin, Charlton" <charlton.lin@intel.com>
Subject: Re: [Intel-gfx] [PATCH i-g-t] [RFC] tests/kms_big_fb: Wait for vblank before collecting CRC
Date: Sat, 5 Jun 2021 05:46:35 +0000	[thread overview]
Message-ID: <BY5PR11MB43723B6E6C4681C0900B9F70893A9@BY5PR11MB4372.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CAJUqKUpEJZXGLcktaS8Jaaf-N0pPpjKP0Fi4UjmBx+Zs_DrvdQ@mail.gmail.com>

Thank you very much Mark, for testing the patch and providing the "Tested-by" tag.

Regards
Vidya

-----Original Message-----
From: Mark Yacoub <markyacoub@chromium.org> 
Sent: Saturday, June 5, 2021 12:20 AM
To: Srinivas, Vidya <vidya.srinivas@intel.com>
Cc: intel-gfx@lists.freedesktop.org; igt-dev@lists.freedesktop.org; Almahallawy, Khaled <khaled.almahallawy@intel.com>; Lin, Charlton <charlton.lin@intel.com>
Subject: Re: [PATCH i-g-t] [RFC] tests/kms_big_fb: Wait for vblank before collecting CRC

On Fri, May 28, 2021 at 12:36 AM Vidya Srinivas <vidya.srinivas@intel.com> wrote:
>
> Without wait for vblank, CRC mismatch is seen between big and small 
> CRC on few Gen11 systems.
>
Tested on ChromeOS on JSL (Drawlat).
Tested-by: Mark Yacoub <markyacoub@chromium.org>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>  tests/kms_big_fb.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tests/kms_big_fb.c b/tests/kms_big_fb.c index 
> b35727a09bd0..f90363c3beb2 100644
> --- a/tests/kms_big_fb.c
> +++ b/tests/kms_big_fb.c
> @@ -254,6 +254,7 @@ static void unset_lut(data_t *data)  static bool 
> test_plane(data_t *data)  {
>         igt_plane_t *plane = data->plane;
> +       igt_display_t *display = &data->display;
>         struct igt_fb *small_fb = &data->small_fb;
>         struct igt_fb *big_fb = &data->big_fb;
>         int w = data->big_fb_width - small_fb->width; @@ -337,16 
> +338,17 @@ static bool test_plane(data_t *data)
>                 igt_display_commit2(&data->display, data->display.is_atomic ?
>                                     COMMIT_ATOMIC : COMMIT_UNIVERSAL);
>
> -
> +               igt_wait_for_vblank(data->drm_fd, 
> + display->pipes[data->pipe].crtc_offset);
>                 igt_pipe_crc_collect_crc(data->pipe_crc, &small_crc);
>
>                 igt_plane_set_fb(plane, big_fb);
>                 igt_fb_set_position(big_fb, plane, x, y);
>                 igt_fb_set_size(big_fb, plane, small_fb->width, 
> small_fb->height);
> +
>                 igt_plane_set_size(plane, data->width, data->height);
>                 igt_display_commit2(&data->display, data->display.is_atomic ?
>                                     COMMIT_ATOMIC : COMMIT_UNIVERSAL);
> -
> +               igt_wait_for_vblank(data->drm_fd, 
> + display->pipes[data->pipe].crtc_offset);
>                 igt_pipe_crc_collect_crc(data->pipe_crc, &big_crc);
>
>                 igt_plane_set_fb(plane, NULL);
> --
> 2.7.4
>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2021-06-05  5:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-28  4:27 [Intel-gfx] [PATCH i-g-t] [RFC] tests/kms_big_fb: Wait for vblank before collecting CRC Vidya Srinivas
2021-06-04 18:50 ` Mark Yacoub
2021-06-05  5:46   ` Srinivas, Vidya [this message]
2021-06-08  7:01 ` Modem, Bhanuprakash
2021-06-08  7:34   ` [Intel-gfx] [igt-dev] " Juha-Pekka Heikkila
2021-06-08  7:48     ` Srinivas, Vidya
2021-06-08  9:19       ` Srinivas, Vidya
2021-06-08 11:50         ` Juha-Pekka Heikkila
2021-06-08 11:54           ` Srinivas, Vidya
2021-06-10  8:38           ` Srinivas, Vidya
2021-06-10  8:51             ` Petri Latvala
2021-06-10  8:52               ` Srinivas, Vidya
  -- strict thread matches above, loose matches on Subject: below --
2021-05-27 15:40 [Intel-gfx] " Vidya Srinivas
2021-05-27 15:09 [Intel-gfx] [PATCH] " Vidya Srinivas
2021-05-27 15:23 ` [Intel-gfx] [PATCH i-g-t] " Vidya Srinivas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=BY5PR11MB43723B6E6C4681C0900B9F70893A9@BY5PR11MB4372.namprd11.prod.outlook.com \
    --to=vidya.srinivas@intel.com \
    --cc=charlton.lin@intel.com \
    --cc=igt-dev@lists.freedesktop.org \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=markyacoub@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.