[Intel-gfx] [PATCH 2/3] lib: add igt_pipe_crc_check
Damien Lespiau
damien.lespiau at intel.com
Fri Dec 6 13:56:35 CET 2013
On Fri, Dec 06, 2013 at 10:48:43AM +0100, Daniel Vetter wrote:
> No need to duplicate this all over the place.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
(note that the use of buffered fopen/fwrite operations and the need to
flush the internal buffer could be just replaced with raw open/write and
was a left over from the initial implementation, but who cares).
Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>
> ---
> lib/igt_debugfs.c | 18 ++++++++++++++++++
> lib/igt_debugfs.h | 1 +
> tests/kms_cursor_crc.c | 18 ++----------------
> tests/kms_fbc_crc.c | 14 +-------------
> tests/kms_pipe_crc_basic.c | 25 ++++++++-----------------
> 5 files changed, 30 insertions(+), 46 deletions(-)
>
> diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c
> index 1ceaf59db11f..139be893f75b 100644
> --- a/lib/igt_debugfs.c
> +++ b/lib/igt_debugfs.c
> @@ -205,6 +205,24 @@ static void pipe_crc_exit_handler(int sig)
> igt_pipe_crc_reset();
> }
>
> +void igt_pipe_crc_check(igt_debugfs_t *debugfs)
> +{
> + const char *cmd = "pipe A none";
> + FILE *ctl;
> + size_t written;
> + int ret;
> +
> + ctl = igt_debugfs_fopen(debugfs, "i915_display_crc_ctl", "r+");
> + igt_require_f(ctl,
> + "No display_crc_ctl found, kernel too old\n");
> + written = fwrite(cmd, 1, strlen(cmd), ctl);
> + ret = fflush(ctl);
> + igt_require_f((written == strlen(cmd) && ret == 0) || errno != ENODEV,
> + "CRCs not supported on this platform\n");
> +
> + fclose(ctl);
> +}
> +
> igt_pipe_crc_t *
> igt_pipe_crc_new(igt_debugfs_t *debugfs, int drm_fd, enum pipe pipe,
> enum intel_pipe_crc_source source)
> diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h
> index 40d9d28fd49b..393b5767adbe 100644
> --- a/lib/igt_debugfs.h
> +++ b/lib/igt_debugfs.h
> @@ -70,6 +70,7 @@ bool igt_crc_is_null(igt_crc_t *crc);
> bool igt_crc_equal(igt_crc_t *a, igt_crc_t *b);
> char *igt_crc_to_string(igt_crc_t *crc);
>
> +void igt_pipe_crc_check(igt_debugfs_t *debugfs);
> igt_pipe_crc_t *
> igt_pipe_crc_new(igt_debugfs_t *debugfs, int drm_fd, enum pipe pipe,
> enum intel_pipe_crc_source source);
> diff --git a/tests/kms_cursor_crc.c b/tests/kms_cursor_crc.c
> index b78ea7863585..d80695f67e2f 100644
> --- a/tests/kms_cursor_crc.c
> +++ b/tests/kms_cursor_crc.c
> @@ -53,7 +53,6 @@ typedef struct {
> int drm_fd;
> igt_debugfs_t debugfs;
> drmModeRes *resources;
> - FILE *ctl;
> uint32_t fb_id[NUM_CURSOR_TYPES];
> struct kmstest_fb fb[NUM_CURSOR_TYPES];
> igt_pipe_crc_t **pipe_crc;
> @@ -333,23 +332,12 @@ igt_main
> igt_skip_on_simulation();
>
> igt_fixture {
> - size_t written;
> - int ret;
> - const char *cmd = "pipe A none";
> -
> data.drm_fd = drm_open_any();
>
> igt_set_vt_graphics_mode();
>
> igt_debugfs_init(&data.debugfs);
> - data.ctl = igt_debugfs_fopen(&data.debugfs,
> - "i915_display_crc_ctl", "r+");
> - igt_require_f(data.ctl,
> - "No display_crc_ctl found, kernel too old\n");
> - written = fwrite(cmd, 1, strlen(cmd), data.ctl);
> - ret = fflush(data.ctl);
> - igt_require_f((written == strlen(cmd) && ret == 0) || errno != ENODEV,
> - "CRCs not supported on this platform\n");
> + igt_pipe_crc_check(&data.debugfs);
>
> display_init(&data);
>
> @@ -376,8 +364,6 @@ igt_main
> igt_subtest("cursor-black-invisible-offscreen")
> run_test(&data, BLACK_INVISIBLE, false);
>
> - igt_fixture {
> + igt_fixture
> display_fini(&data);
> - fclose(data.ctl);
> - }
> }
> diff --git a/tests/kms_fbc_crc.c b/tests/kms_fbc_crc.c
> index 7a7f3903667b..4cddd27428d0 100644
> --- a/tests/kms_fbc_crc.c
> +++ b/tests/kms_fbc_crc.c
> @@ -60,7 +60,6 @@ typedef struct {
> int drm_fd;
> igt_debugfs_t debugfs;
> drmModeRes *resources;
> - FILE *ctl;
> igt_crc_t ref_crc[2];
> igt_pipe_crc_t **pipe_crc;
> drm_intel_bufmgr *bufmgr;
> @@ -485,9 +484,6 @@ igt_main
> igt_skip_on_simulation();
>
> igt_fixture {
> - size_t written;
> - int ret;
> - const char *cmd = "pipe A none";
> char buf[64];
> FILE *status;
>
> @@ -497,14 +493,7 @@ igt_main
> data.devid = intel_get_drm_devid(data.drm_fd);
>
> igt_debugfs_init(&data.debugfs);
> - data.ctl = igt_debugfs_fopen(&data.debugfs,
> - "i915_display_crc_ctl", "r+");
> - igt_require_f(data.ctl,
> - "No display_crc_ctl found, kernel too old\n");
> - written = fwrite(cmd, 1, strlen(cmd), data.ctl);
> - ret = fflush(data.ctl);
> - igt_require_f((written == strlen(cmd) && ret == 0) || errno != ENODEV,
> - "CRCs not supported on this platform\n");
> + igt_pipe_crc_check(&data.debugfs);
>
> status = igt_debugfs_fopen(&data.debugfs, "i915_fbc_status", "r");
> igt_require_f(status, "No i915_fbc_status found\n");
> @@ -532,6 +521,5 @@ igt_main
> igt_fixture {
> drm_intel_bufmgr_destroy(data.bufmgr);
> display_fini(&data);
> - fclose(data.ctl);
> }
> }
> diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
> index 0e793cdf617d..90d9b9404877 100644
> --- a/tests/kms_pipe_crc_basic.c
> +++ b/tests/kms_pipe_crc_basic.c
> @@ -45,18 +45,21 @@ typedef struct {
> drmModeRes *resources;
> int n_connectors;
> connector_t *connectors;
> - FILE *ctl;
> } data_t;
>
> static void test_bad_command(data_t *data, const char *cmd)
> {
> + FILE *ctl;
> size_t written;
>
> - written = fwrite(cmd, 1, strlen(cmd), data->ctl);
> - fflush(data->ctl);
> + ctl = igt_debugfs_fopen(&data->debugfs, "i915_display_crc_ctl", "r+");
> + written = fwrite(cmd, 1, strlen(cmd), ctl);
> + fflush(ctl);
> igt_assert_cmpint(written, ==, (strlen(cmd)));
> - igt_assert(ferror(data->ctl));
> + igt_assert(ferror(ctl));
> igt_assert_cmpint(errno, ==, EINVAL);
> +
> + fclose(ctl);
> }
>
> static void connector_init(data_t *data, connector_t *connector,
> @@ -214,10 +217,6 @@ igt_main
> igt_skip_on_simulation();
>
> igt_fixture {
> - size_t written;
> - int ret;
> - const char *cmd = "pipe A none";
> -
> data.drm_fd = drm_open_any();
>
> igt_set_vt_graphics_mode();
> @@ -225,14 +224,7 @@ igt_main
> display_init(&data);
>
> igt_debugfs_init(&data.debugfs);
> - data.ctl = igt_debugfs_fopen(&data.debugfs,
> - "i915_display_crc_ctl", "r+");
> - igt_require_f(data.ctl,
> - "No display_crc_ctl found, kernel too old\n");
> - written = fwrite(cmd, 1, strlen(cmd), data.ctl);
> - ret = fflush(data.ctl);
> - igt_require_f((written == strlen(cmd) && ret == 0) || errno != ENODEV,
> - "CRCs not supported on this platform\n");
> + igt_pipe_crc_check(&data.debugfs);
> }
>
> igt_subtest("bad-pipe")
> @@ -257,6 +249,5 @@ igt_main
>
> igt_fixture {
> display_fini(&data);
> - fclose(data.ctl);
> }
> }
> --
> 1.8.4.3
>
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