gem_get_caching is not supported on discrete. The object itself should already be coherent with the display engine as-is on such platforms, by virtue of the scanout happening via local-memory.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/4903 Signed-off-by: Matthew Auld <matthew.a...@intel.com> Cc: Nirmoy Das <nirmoy....@linux.intel.com> --- tests/i915/kms_pwrite_crc.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/tests/i915/kms_pwrite_crc.c b/tests/i915/kms_pwrite_crc.c index 44fcfadb..584e6a19 100644 --- a/tests/i915/kms_pwrite_crc.c +++ b/tests/i915/kms_pwrite_crc.c @@ -50,7 +50,6 @@ static void test(data_t *data) igt_output_t *output = data->output; struct igt_fb *fb = &data->fb[1]; drmModeModeInfo *mode; - uint32_t caching; void *buf; igt_crc_t crc; @@ -76,9 +75,14 @@ static void test(data_t *data) 0, 0, fb->width, fb->height, 0, 0, fb->width << 16, fb->height << 16); - /* make sure caching mode has become UC/WT */ - caching = gem_get_caching(data->drm_fd, fb->gem_handle); - igt_assert(caching == I915_CACHING_NONE || caching == I915_CACHING_DISPLAY); + if (!gem_has_lmem(data->drm_fd)) { + uint32_t caching; + + /* make sure caching mode has become UC/WT */ + caching = gem_get_caching(data->drm_fd, fb->gem_handle); + igt_assert(caching == I915_CACHING_NONE || + caching == I915_CACHING_DISPLAY); + } /* use pwrite to make the other fb all white too */ buf = malloc(fb->size); -- 2.34.1
