[igt-dev] [PATCH i-g-t] igt/tests/kms_dp_tiled_display.c : kms test file for display port tiled displays
Tolakanahalli Pradeep, Madhumitha
madhumitha.tolakanahalli.pradeep at intel.com
Fri Aug 2 01:09:26 UTC 2019
Thank you for the great inputs, Manasi and Simon
On Thu, 2019-08-01 at 10:38 -0700, Manasi Navare wrote:
> Thank Simon for all your inputs. Please find some of my questions
> below:
>
> On Thu, Aug 01, 2019 at 12:41:37AM -0700, Ser, Simon wrote:
> > On Wed, 2019-07-31 at 10:13 -0700, Manasi Navare wrote:
> > > On Wed, Jul 31, 2019 at 12:25:09AM -0700, Ser, Simon wrote:
> > > > On Tue, 2019-07-30 at 12:21 -0700, Manasi Navare wrote:
> > > > > On Wed, Jul 17, 2019 at 11:43:48PM -0700, Ser, Simon wrote:
> > > > > > Thanks for your patch! Here are some comments.
> > > > > >
> > > > > > Style: we use tabs for indentation, not spaces.
> > > > > >
> > > > > > On Wed, 2019-07-17 at 11:02 -0700, Madhumitha Tolakanahalli
> > > > > > Pradeep wrote:
> > > > > > > This test validates the tiled DP displays to display a
> > > > > > > test pattern seamlessly
> > > > > > > across the two tiles. It validates the transcoder port
> > > > > > > sync feature on i915 to
> > > > > > > get a tearfree tiled display output.
> > > > > > >
> > > > > > > Related kernel work patches ->
> > > > > > > https://patchwork.freedesktop.org/series/59837/#rev4.
> > > > > > > This test can eventually be extended to cover tiled
> > > > > > > display support on other connector
> > > > > > > types.
> > > > > > >
> > > > > > > Cc: Manasi Navare <manasi.d.navare at intel.com>
> > > > > > > Cc: Petri Latvala <petri.latvala at intel.com>
> > > > > > > Signed-off-by: Madhumitha Tolakanahalli Pradeep <
> > > > > > > madhumitha.tolakanahalli.pradeep at intel.com>
> > > > > >
> > > > > > Next time, can you send both patches in one go? It's not
> > > > > > possible to
> > > > > > check whether this test actually passes CI, since build
> > > > > > fails (see the
> > > > > > two automated failure replies).
> > > > >
> > > > > Yes please send this as a series with 1st patch that defines
> > > > > the tile parser
> > > > > and second with the actual test that uses it
> > > > >
> > > > > > To learn how to use git-send-email, you can read:
> > > > > > https://git-send-email.io/
> > > > > >
> > > > > > > ---
> > > > > > > tests/Makefile.sources | 1 +
> > > > > > > tests/kms_dp_tiled_display.c | 239
> > > > > > > +++++++++++++++++++++++++++++++++++
> > > > > > > tests/meson.build | 1 +
> > > > > > > 3 files changed, 241 insertions(+)
> > > > > > > create mode 100644 tests/kms_dp_tiled_display.c
> > > > > > >
> > > > > > > diff --git a/tests/Makefile.sources
> > > > > > > b/tests/Makefile.sources
> > > > > > > index 250dbd33..e9373941 100644
> > > > > > > --- a/tests/Makefile.sources
> > > > > > > +++ b/tests/Makefile.sources
> > > > > > > @@ -40,6 +40,7 @@ TESTS_progs = \
> > > > > > > kms_cursor_edge_walk \
> > > > > > > kms_cursor_legacy \
> > > > > > > kms_dp_dsc \
> > > > > > > + kms_dp_tiled_display \
> > > > > > > kms_draw_crc \
> > > > > > > kms_fbcon_fbt \
> > > > > > > kms_fence_pin_leak \
> > > > > > > diff --git a/tests/kms_dp_tiled_display.c
> > > > > > > b/tests/kms_dp_tiled_display.c
> > > > > > > new file mode 100644
> > > > > > > index 00000000..af644573
> > > > > > > --- /dev/null
> > > > > > > +++ b/tests/kms_dp_tiled_display.c
> > > > > > > @@ -0,0 +1,239 @@
> > > > > > > +/*
> > > > > > > + * Copyright © 2018 Intel Corporation
> > > > > > > + *
> > > > > > > + * Permission is hereby granted, free of charge, to any
> > > > > > > person obtaining a
> > > > > > > + * copy of this software and associated documentation
> > > > > > > files (the "Software"),
> > > > > > > + * to deal in the Software without restriction,
> > > > > > > including without limitation
> > > > > > > + * the rights to use, copy, modify, merge, publish,
> > > > > > > distribute, sublicense,
> > > > > > > + * and/or sell copies of the Software, and to permit
> > > > > > > persons to whom the
> > > > > > > + * Software is furnished to do so, subject to the
> > > > > > > following conditions:
> > > > > > > + *
> > > > > > > + * The above copyright notice and this permission notice
> > > > > > > (including the next
> > > > > > > + * paragraph) shall be included in all copies or
> > > > > > > substantial portions of the
> > > > > > > + * Software.
> > > > > > > + *
> > > > > > > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
> > > > > > > ANY KIND, EXPRESS OR
> > > > > > > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> > > > > > > OF MERCHANTABILITY,
> > > > > > > + * FITNESS FOR A PARTICULAR PURPOSE AND
> > > > > > > NONINFRINGEMENT. IN NO EVENT SHALL
> > > > > > > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
> > > > > > > CLAIM, DAMAGES OR OTHER
> > > > > > > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
> > > > > > > OTHERWISE, ARISING
> > > > > > > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
> > > > > > > THE USE OR OTHER DEALINGS
> > > > > > > + * IN THE SOFTWARE.
> > > > > > > + *
> > > > > > > + * Authors:
> > > > > > > + * Madhumitha Tolakanahalli Pradeep
> > > > > > > + * <madhumitha.tolakanahalli.pradeep at intel.com>
> > > > > > > + *
> > > > > > > + * Display Port Tiled Display Test
> > > > > > > + * This test parses the tile information of the
> > > > > > > connectors that have TILE
> > > > > > > + * property set, sets up the framebuffer with correct
> > > > > > > offsets corresponding to
> > > > > > > + * the tile offsets and does an atomic modeset with two
> > > > > > > CRTCs for two
> > > > > > > + * connectors.
> > > > > > > + *
> > > > > > > + * This test currently supports only horizontally tiled
> > > > > > > displays, in line with
> > > > > > > + * the displays supported by the kernel at the moment.
> > > > > > > + */
> > > > > > > +
> > > > > > > +#include "drm_mode.h"
> > > > > > > +#include "drm_fourcc.h"
> > > > > > > +#include "igt.h"
> > > > > > > +
> > > > > > > +typedef struct {
> > > > > > > + int drm_fd;
> > > > > > > + int num_h_tiles;
> > > > > > > + igt_display_t *display;
> > > > > > > + enum igt_commit_style commit;
> > > > > > > +} data_t;
> > > > > > > +
> > > > > > > +typedef struct {
> > > > > > > + igt_output_t *output;
> > > > > > > + igt_tile_info_t *tile;
> > > > > > > + igt_fb_t fb_test_pattern;
> > > > > > > + drmModeConnectorPtr connector;
> > > > > > > + enum pipe pipe;
> > > > > > > + enum igt_commit_style commit;
> > > > > > > +} data_connector_t;
> > > > > > > +
> > > > > > > +static inline int
> > > > > > > drm_property_is_tile(drmModePropertyPtr prop)
> > > > > >
> > > > > > I wouldn't personally use `inline`. The compiler is smarter
> > > > > > than humans
> > > > > > to decide whether or not a function should be inlined.
> > > > > >
> > > > > > > +{
> > > > > > > + return(strcmp(prop->name ? prop->name : "", "TILE")? 0
> > > > > > > : 1);
> > > > > >
> > > > > > Style: unnecessary parentheses, missing space before `?`.
> > > > > >
> > > > > > > +}
> > > > > > > +
> > > > > > > +static void get_number_of_h_tiles(data_t *data)
> > > > > >
> > > > > > What if multiple tiles are connected? Shouldn't we use
> > > > > > tile_group_id?
> > > > >
> > > > > Yes there could be multiple monitors with tiles so use
> > > > > tile_group_id to check
> > > > > that the tile belongs to the same group and then use
> > > > > num_h_tiles
> > >
> > > But actually the current hardware like Madhumitha mentioned only
> > > supports one tile group,
> > > if we have to support multiple tile groups then we would need to
> > > malloc the array of structures
> > > for the connectors associated with separate tile groups and then
> > > have a separate subtest for
> > > tile group 1 tile group 2 etc. This logic will not get tested
> > > right now due to HW constraint.
> > >
> > > So the idea is for the IGT to check the tile group id but only
> > > support 1 tile group so far
> > > and leave the room for further extending it to multiple tiles
> > > instead of over complicating
> > > the logic now.
> > >
> > > Does that make sense or do you think we should already add the
> > > subtests for multiple tile groups?
> >
> > That makes perfect sense to me, support for multiple tile groups
> > can be
> > left as a TODO for later.
> >
> > Incremental patches are way easier to review than one-patch-that-
> > implements-all-features-at-once. :)
>
> Great so we will keep the implemnetation to 1 tile group id for now
>
> >
> > > > > > > +{
> > > > > > > + int i;
> > > > > > > + drmModeRes *res;
> > > > > > > + drmModeConnector *connector;
> > > > > > > + drmModePropertyPtr prop;
> > > > > > > + drmModePropertyBlobPtr blob;
> > > > > > > + igt_tile_info_t tile;
> > > > > > > +
> > > > > > > + igt_require(res = drmModeGetResources(data-
> > > > > > > >drm_fd));
> > > > > >
> > > > > > This should probably be igt_assert.
> > > > > >
> > > > > > > + for(i = 0; i < res->count_connectors; i++)
> > > > > > > + {
> > > > > >
> > > > > > Style: no newline before `{` (only for functions, applies
> > > > > > to the whole
> > > > > > patch).
> > > > > >
> > > > > > > + connector = drmModeGetConnectorCurrent(data-
> > > > > > > >drm_fd, \
> > > > > >
> > > > > > Style: unnecessary `\`.
> > > > > >
> > > > > > We could igt_assert(connector).
> > > > > >
> > > > > > > + res-
> > > > > > > >connectors[i]);
> > > > > > > +
> > > > > > > + if(!((connector->connection ==
> > > > > > > DRM_MODE_CONNECTED) &&
> > > > > > > + (connector->connector_type ==
> > > > > > > DRM_MODE_CONNECTOR_DisplayPort)))
> > > > > > > + continue;
> > > > > >
> > > > > > Style: we can invert this condition to make clearer.
> > > > >
> > > > > But wouldnt that add additional nesting?
> > > >
> > > > I mean, this could be re-written as:
> > > >
> > > > if (connector->connection != DRM_MODE_CONNECTED ||
> > > > connector->connector_type !=
> > > > DRM_MODE_CONNECTOR_DisplayPort)
> > >
> > > Oh yes that makes perfect sense!
> > >
> > > > > > > +
> > > > > > > + for(i = 0; i < connector->count_props; i++)
> > > > > > > + {
> > > > > > > + prop = drmModeGetProperty(data->drm_fd,
> > > > > > > connector->props[i]);
> > > > > >
> > > > > > We could igt_assert(prop)
> > > > > >
> > > > > > We need to free it at some point.
> > > > > >
> > > > > > > + if(!(drm_property_is_tile(prop) &&
> > > > > >
> > > > > > Style: missing space after if keyword (applies to the whole
> > > > > > patch).
> > > > > >
> > > > > > > + drm_property_type_is(prop,
> > > > > > > DRM_MODE_PROP_BLOB)))
> > > > > >
> > > > > > I'd move this check into drm_property_is_tile.
> > > > > >
> > > > > > > + continue;
> > > > > > > +
> > > > > > > + blob = drmModeGetPropertyBlob(data->drm_fd,
> > > > > > > \
> > > > > > > + connector-
> > > > > > > >prop_values[i]);
> > > > > > > +
> > > > > > > + if(!blob)
> > > > > > > + break;
> > > > > > > + igt_parse_connector_tile_blob(blob, &tile);
> > > > > > > + data->num_h_tiles = tile.num_h_tile;
> > > > > > > + break;
> > > > > > > + }
> > > > > > > + }
> > > > > > > +}
> > > > > > > +
> > > > > > > +static int set_test_pattern_fb(data_t *data,
> > > > > > > data_connector_t *conn_data)
> > > > > > > +{
> > > > > > > + int i;
> > > > > > > + int count = 0;
> > > > > > > + bool is_tile = false;
> > > > > > > + enum pipe pipe;
> > > > > > > + igt_tile_info_t tile;
> > > > > > > + igt_output_t *output;
> > > > > > > + igt_plane_t *primary;
> > > > > > > + drmModePropertyPtr prop;
> > > > > > > + drmModePropertyBlobPtr blob;
> > > > > > > +
> > > > > > > + for_each_connected_output(data->display, output)
> > > > > > > + {
> > > > > > > + is_tile = false;
> > > > > > > +
> > > > > > > + conn_data[count].connector =
> > > > > > > drmModeGetConnector(data->display->drm_fd, \
> > > > > > > +
> > > > > > > output->id);
> > > > > > > +
> > > > > > > + if(!(conn_data[count].connector->connector_type
> > > > > > > ==
> > > > > > > + DRM_MODE_CONNECTOR_DisplayPort))
> > > > > > > + continue;
> > > > > > > +
> > > > > > > + /* Parse through each connector property */
> > > > > > > + for(i = 0; i < conn_data[count].connector-
> > > > > > > >count_props; i++)
> > > > > > > + {
> > > > > > > + prop = drmModeGetProperty(data->display-
> > > > > > > >drm_fd, \
> > > > > > > + conn_data[count].c
> > > > > > > onnector->props[i]);
> > > > > > > +
> > > > > > > + if(!((drm_property_is_tile(prop) &&
> > > > > > > + drm_property_type_is(prop,
> > > > > > > DRM_MODE_PROP_BLOB))))
> > > > > > > + continue;
> > > > > > > +
> > > > > > > + blob = drmModeGetPropertyBlob(data->display-
> > > > > > > >drm_fd, \
> > > > > > > + conn_data[count].connector-
> > > > > > > >prop_values[i]);
> > > > > > > +
> > > > > > > + if(!blob)
> > > > > > > + break;
> > > > > > > +
> > > > > > > + igt_parse_connector_tile_blob(blob, &tile);
> > > > > > > + conn_data[count].tile = &tile;
> > > > > > > + is_tile = true;
> > > > > > > + break;
> > > > > > > + }
> > > > > >
> > > > > > I feel like this whole block above is duplicated. Could be
> > > > > > extracted
> > > > > > into a function, e.g.
> > > > > >
> > > > > > bool connector_get_tile(drmModeConnectorRes *conn,
> > > > > > igt_tile_info_t *tile_info)
> > > > > >
> > > > > > > + if(!is_tile)
> > > > > > > + continue;
> > > > > > > +
> > > > > > > + output = igt_output_from_connector(data-
> > > > > > > >display, \
> > > > > > > + conn_data[cou
> > > > > > > nt].connector);
> > > > > >
> > > > > > Style: unnecessary `\`. Applies to the whole patch.
> > > > > >
> > > > > > > +
> > > > > > > + for_each_pipe(data->display, pipe)
> > > > > > > + {
> > > > > > > + igt_debug("Current PIPE is %d\n", pipe);
> > > > > > > +
> > > > > > > + if((count > 0) && (pipe == conn_data[count-
> > > > > > > 1].pipe))
> > > > > > > + continue;
> > > > > >
> > > > > > Style: unnecessary parentheses.
> > > > > >
> > > > > > > + if(igt_pipe_connector_valid(pipe, output)) {
> > > > > > > + conn_data[count].pipe = pipe;
> > > > > > > + conn_data[count].output = output;
> > > > > > > +
> > > > > > > + igt_output_set_pipe(conn_data[count].out
> > > > > > > put, \
> > > > > > > + conn_data[count].pip
> > > > > > > e);
> > > > > > > +
> > > > > > > + igt_create_pattern_fb(data->drm_fd,\
> > > > > > > + (conn_data[count].ti
> > > > > > > le->tile_h_size *\
> > > > > > > + data-
> > > > > > > >num_h_tiles),\
> > > > > > > + conn_data[count].ti
> > > > > > > le->tile_v_size,\
> > > > > > > + DRM_FORMAT_XBGR8888
> > > > > > > ,\
> > > > > > > + LOCAL_DRM_FORMAT_MO
> > > > > > > D_NONE,\
> > > > > > > + &conn_data[count].f
> > > > > > > b_test_pattern);
> > > > > > > +
> > > > > > > + primary =
> > > > > > > igt_output_get_plane_type(conn_data[count].output,\
> > > > > > > + DRM_
> > > > > > > PLANE_TYPE_PRIMARY);
> > > > > > > +
> > > > > > > + igt_plane_set_fb(primary,
> > > > > > > &conn_data[count].fb_test_pattern);
> > > > > > > +
> > > > > > > + igt_fb_set_size(&conn_data[count].fb_tes
> > > > > > > t_pattern, primary,\
> > > > > > > + conn_data[count].tile-
> > > > > > > >tile_h_size,\
> > > > > > > + conn_data[count].tile-
> > > > > > > >tile_v_size);
> > > > > > > +
> > > > > > > + igt_fb_set_position(&conn_data[count].fb
> > > > > > > _test_pattern, \
> > > > > > > + primary,\
> > > > > > > + (conn_data[count].ti
> > > > > > > le->tile_h_size *\
> > > > > > > + conn_data[count].til
> > > > > > > e->tile_h_loc),
> > > > > > > + (conn_data[count].ti
> > > > > > > le->tile_v_size *\
> > > > > > > + conn_data[count].til
> > > > > > > e->tile_v_loc));
> > > > > > > +
> > > > > > > + igt_plane_set_size(primary,\
> > > > > > > + conn_data[count].tile
> > > > > > > ->tile_h_size,\
> > > > > > > + conn_data[count].tile
> > > > > > > ->tile_v_size);
> > > > > > > +
> > > > > > > + break;
> > > > > > > + }
> > > > > > > + }
> > > > > > > + count++;
> > > > > > > + }
> > > > > > > +
> > > > > > > + return count;
> > > > > > > +}
> > > > > > > +
> > > > > > > +igt_main
> > > > > > > +{
> > > > > > > + igt_display_t display;
> > > > > > > + data_t data = {};
> > > > > > > + data_connector_t *conn_data;
> > > > > > > +
> > > > > > > + igt_fixture {
> > > > > > > + data.drm_fd =
> > > > > > > drm_open_driver_master(DRIVER_ANY);
> > > > > > > + kmstest_set_vt_graphics_mode();
> > > > > > > + igt_display_require(&display, data.drm_fd);
> > > > > > > + data.display = &display;
> > > > > > > +
> > > > > > > + get_number_of_h_tiles(&data);
> > > > > > > + igt_debug("Number of Horizontal Tiles: %d\n",
> > > > > > > data.num_h_tiles);
> > > > > > > + data.commit = data.display->is_atomic ?
> > > > > > > COMMIT_ATOMIC : COMMIT_LEGACY;
> > > > > > > + }
> > > > > > > +
> > > > > > > + if(data.num_h_tiles > 0)
> > > > > > > + conn_data = (data_connector_t
> > > > > > > *)malloc(data.num_h_tiles * \
> > > > > > > + sizeof(d
> > > > > > > ata_connector_t));
> > > > > >
> > > > > > No need for this cast, unnecessary `\`.
> > > > > >
> > > > > > > + igt_assert(conn_data);
> > > > > >
> > > > > > This check reads garbage from the stack if data.num_h_tiles
> > > > > > == 0.
> > > > >
> > > > > This check should possibly be inside the same if
> > > > >
> > > > > > > + igt_subtest_f("basic-test-pattern") {
> > > > > >
> > > > > > No need for the _f suffix.
> > > > > >
> > > > > > This subtest is missing a description. Could you add one?
> > > > > > For more
> > > > > > information, see:
> > > > > >
https://drm.pages.freedesktop.org/igt-gpu-tools/igt-gpu-tools-Core.html#igt-describe
> > > > > >
> > > > > > > + igt_skip_on(!data.num_h_tiles);
> > > > > > > + set_test_pattern_fb(&data, conn_data);
> > > > > > > + igt_display_commit2(data.display, data.commit);
> > > > > >
> > > > > > I'm not sure I understand what this test checks. It does a
> > > > > > commit on
> > > > > > all tiled connectors, but doesn't check anything
> > > > > > afterwards. Maybe it
> > > > > > should check the pageflip serial and timings?
> > > > >
> > > > > This is so far a manual test where we just look at the
> > > > > pattern and make sure no artifacts
> > > > > and auto testing just make sure the commit did not fail, any
> > > > > better idea to check if the
> > > > > page_flip timeouts didnt occur or not sure if we can do crc
> > > > > checks to ensure no artifacts?
> > > > > Any ideas/suggestions?
> > > >
> > > > To be honest I'm not a fan of manual testing.
> > > >
> > > > As I understand it, tiled displays must be updated in sync so
> > > > that you
> > > > don't get tearing. If one display is page-flipped before the
> > > > other,
> > > > there will be tearing in the middle of the tiled screen. Am I
> > > > reading
> > > > the commit message correctly?
> > >
> > > Yes there would be tearing if one tile page flipped before the
> > > other
> > > and the HW prevents this from happening by synchronizing the two
> > > vblanks
> > > from the two ports.
> > >
> > > If there an example of igt where we can check the vblank timing
> > > or page flip timings
> > > to add this check?
> >
> > I believe tests in kms_flip do a similar check. The
> > page_flip_handler
> > function handles the page flip event (which is given the flip
> > timestamp
> > and sequence number). check_state verifies that the timestamp is
> > close
> > enough to what we expect (in our atomic check, maybe we can compare
> > with strict equality).
> >
> > Since we're dealing with multiple CRTCs, it may be a good idea to
> > use
> > drmEventContext.version = 3 with page_flip_handler2 so that we also
> > get
> > the CRTC in the page flip handler. Version 3 is a core DRM feature,
> > all
> > drivers support it given a recent enough kernel.
> >
> > Rough pseudo-code:
> >
> > /* When committing buffer, request a page flip */
> > drmModeAtomicCommit(fd, req, DRM_MODE_ATOMIC_NONBLOCK |
> > DRM_MODE_PAGE_FLIP_EVENT, data);
>
> Here we do the modese with igt_display_commit2 call that then calls
> drmModeAtomicCommit but
> doesnt call it with Page flip, do we have another igt helper that
> does a atomic commit with
> page flip event?
>
I was looking at adding a check for Page Flip event and verifying
Timestamps.
Looks like igt_display_commit_atomic() with DRM_MODE_PAGE_FLIP_EVENT
flag allows us to perfrom a commit and with a page flip event.
Please do let me know if there is a better way to do this.
Madhumitha
> Can we not just do atomic commit and get vblank events so for two
> crtcs we get two events and compare
> the timestamp and make sure they are close enough?
>
> Manasi
>
> >
> > static void page_flip_handler(int fd, unsigned seq,
> > unsigned tv_sec,
> > unsigned tv_usec,
> > unsigned crtc_id, void *data)
> > {
> > /* Compare params with the other page flip */
> > }
> >
> > /* When we get POLLIN in the DRM FD */
> > drmEventContext event = {
> > .version = 3,
> > .page_flip_handler2 = page_flip_handler,
> > };
> > drmHandleEvent(fd, &event);
> >
> > > Manasi
> > >
> > > > If so, maybe we can check the page-flip timings and make sure
> > > > they are
> > > > equal?
> > > >
> > > > A CRC check might be a good idea too, to make sure bandwidth
> > > > isn't an
> > > > issue.
> > > >
> > > > CC'ing Martin in case he has better ideas.
> > > >
> > > > > Manasi
> > > > >
> > > > > > > + }
> > > > > > > +
> > > > > > > + igt_fixture {
> > > > > > > + if(data.num_h_tiles > 0)
> > > > > > > + free(conn_data);
> > > > > >
> > > > > > If conn_data was initialized to NULL, no need for the
> > > > > > check, because
> > > > > > free(NULL) is a no-op.
> > > > > >
> > > > > > > + kmstest_restore_vt_mode();
> > > > > > > + igt_display_fini(data.display);
> > > > > > > + }
> > > > > > > +}
> > > > > > > diff --git a/tests/meson.build b/tests/meson.build
> > > > > > > index 34a74025..6a6e9ce9 100644
> > > > > > > --- a/tests/meson.build
> > > > > > > +++ b/tests/meson.build
> > > > > > > @@ -25,6 +25,7 @@ test_progs = [
> > > > > > > 'kms_cursor_edge_walk',
> > > > > > > 'kms_cursor_legacy',
> > > > > > > 'kms_dp_dsc',
> > > > > > > + 'kms_dp_tiled_display',
> > > > > > > 'kms_draw_crc',
> > > > > > > 'kms_fbcon_fbt',
> > > > > > > 'kms_fence_pin_leak',
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