From: Lyude Paul <lyude@redhat.com>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
igt-dev@lists.freedesktop.org
Cc: Petri Latvala <petri.latvala@intel.com>,
Eben Upton <eben@raspberrypi.org>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [igt-dev] [PATCH i-g-t v3 05/21] lib/igt_fb: Allow interpreting the tile height as a stride equivalent
Date: Mon, 14 Jan 2019 19:45:40 -0500 [thread overview]
Message-ID: <4262e6d9c5784743e0d75483fe300dcc4bbdf269.camel@redhat.com> (raw)
In-Reply-To: <20190111090532.19235-6-paul.kocialkowski@bootlin.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
On Fri, 2019-01-11 at 10:05 +0100, Paul Kocialkowski wrote:
> The VC4 SAND tiling modes are disposed in columns that follow each
> other in memory. The column height defines the number of fixed-width
> lines from the beginning of one column to the other, which may be
> greater than the display height. In this case, the extra lines are
> used as padding and the column height becomes a height-based stride
> equivalent.
>
> Support this when calculating the plane size by using the tile height
> directly if it is greater than the plane height. This works better than
> alignment for non-power-of-two cases (no space is wasted) and it is
> equivalent to alignment for power-of-two tile heights.
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> ---
> lib/igt_fb.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/lib/igt_fb.c b/lib/igt_fb.c
> index 7fb8e7d44bd2..03a6b8be9618 100644
> --- a/lib/igt_fb.c
> +++ b/lib/igt_fb.c
> @@ -450,6 +450,13 @@ static uint64_t calc_plane_size(struct igt_fb *fb, int
> plane)
> igt_get_fb_tile_size(fb->fd, fb->tiling, fb->plane_bpp[plane],
> &tile_width, &tile_height);
>
> + /* Special case where the "tile height" represents a
> + * height-based stride, such as with VC4 SAND tiling modes.
> + */
> +
> + if (tile_height > fb->plane_height[plane])
> + return fb->strides[plane] * tile_height;
> +
> return (uint64_t) fb->strides[plane] *
> ALIGN(fb->plane_height[plane], tile_height);
> }
--
Cheers,
Lyude Paul
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next prev parent reply other threads:[~2019-01-15 0:45 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-11 9:05 [igt-dev] [PATCH i-g-t v3 00/21] Chamelium VC4 plane fuzzy testing, with SAND and T-tiled mode Paul Kocialkowski
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 01/21] lib: drmtest: Add helpers to check and require the VC4 driver Paul Kocialkowski
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 02/21] lib/igt_fb: Add checks on i915 for i915-specific tiled buffer allocation Paul Kocialkowski
2019-01-11 15:09 ` Maxime Ripard
2019-01-15 0:39 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 03/21] lib/igt_fb: Add support for allocating T-tiled VC4 buffers Paul Kocialkowski
2019-01-11 15:09 ` Maxime Ripard
2019-01-15 0:41 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 04/21] lib/igt_fb: Add support for VC4 SAND tiling modes Paul Kocialkowski
2019-01-11 15:09 ` Maxime Ripard
2019-01-15 0:43 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 05/21] lib/igt_fb: Allow interpreting the tile height as a stride equivalent Paul Kocialkowski
2019-01-11 15:10 ` Maxime Ripard
2019-01-15 0:45 ` Lyude Paul [this message]
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 06/21] lib/igt_fb: Add a stride-provisioned fashion of igt_fb_convert Paul Kocialkowski
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 07/21] lib/igt_fb: Add a helper to retreive the plane bpp for a given format Paul Kocialkowski
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 08/21] lib/igt_fb: Add a helper to fill-in the available DRM formats Paul Kocialkowski
2019-01-15 20:49 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 09/21] lib/igt_vc4: Add helpers for converting linear to T-tiled RGB buffers Paul Kocialkowski
2019-01-11 15:25 ` Maxime Ripard
2019-01-14 14:57 ` Paul Kocialkowski
2019-01-15 21:20 ` Lyude Paul
2019-01-22 16:07 ` Paul Kocialkowski
2019-01-22 17:47 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 10/21] lib/igt_vc4: Add helper for checking T-tiling support on plane Paul Kocialkowski
2019-01-11 15:11 ` Maxime Ripard
2019-01-15 21:49 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 11/21] lib/igt_vc4: Add helpers for converting linear to SAND-tiled buffers Paul Kocialkowski
2019-01-15 21:53 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 12/21] lib/igt_vc4: Add helper for checking SAND tiling support on plane Paul Kocialkowski
2019-01-11 15:15 ` Maxime Ripard
2019-01-14 15:01 ` Paul Kocialkowski
2019-01-15 8:25 ` Maxime Ripard
2019-01-15 21:54 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 13/21] lib/igt_kms: Add helpers to count and iterate planes from pipe Paul Kocialkowski
2019-01-11 15:11 ` Maxime Ripard
2019-01-15 21:57 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 14/21] lib/igt_kms: Add helpers to count and iterate planes from output Paul Kocialkowski
2019-01-11 15:12 ` Maxime Ripard
2019-01-15 22:00 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 15/21] lib/igt_chamelium: Fixup resources liberation in comparison helpers Paul Kocialkowski
2019-01-11 15:15 ` Maxime Ripard
2019-01-15 22:01 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 16/21] lib/igt_chamelium: Split frames dump logic and rework surroundings Paul Kocialkowski
2019-01-11 15:16 ` Maxime Ripard
2019-01-15 22:05 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 17/21] lib/igt_chamelium: Generalize the frame match helper with check type Paul Kocialkowski
2019-01-11 15:17 ` Maxime Ripard
2019-01-15 22:07 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 18/21] lib/igt_frame: Add a checkerboard frame comparison method Paul Kocialkowski
2019-01-11 15:19 ` Maxime Ripard
2019-01-14 15:04 ` Paul Kocialkowski
2019-01-15 16:13 ` Maxime Ripard
2019-01-15 22:14 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 19/21] lib/igt_chamelium: Hook-in checkerboard comparison method in helpers Paul Kocialkowski
2019-01-11 15:19 ` Maxime Ripard
2019-01-15 22:14 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 20/21] chamelium: Move the YUV tests over to the checkerboard checking method Paul Kocialkowski
2019-01-11 15:20 ` Maxime Ripard
2019-01-15 22:15 ` Lyude Paul
2019-01-11 9:05 ` [igt-dev] [PATCH i-g-t v3 21/21] chamelium: Add a display test for randomized planes Paul Kocialkowski
2019-01-11 15:23 ` Maxime Ripard
2019-01-15 22:56 ` Lyude Paul
2019-01-25 13:58 ` Paul Kocialkowski
2019-01-11 9:29 ` [igt-dev] ✗ Fi.CI.BAT: failure for Chamelium VC4 plane fuzzy testing, with SAND and T-tiled mode Patchwork
2019-01-15 0:46 ` [igt-dev] [PATCH i-g-t v3 00/21] " Lyude Paul
2019-01-15 9:34 ` Paul Kocialkowski
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