This teaches modetest about the new IN_FORMATS blob and decodes the blob to show supported formats and modifiers.
Signed-off-by: Kristian H. Kristensen hoegsberg@chromium.org --- tests/modetest/modetest.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+)
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c index b8891ff5..8ad4766f 100644 --- a/tests/modetest/modetest.c +++ b/tests/modetest/modetest.c @@ -251,6 +251,89 @@ static void dump_blob(struct device *dev, uint32_t blob_id) drmModeFreePropertyBlob(blob); }
+static const char *modifier_to_string(uint64_t modifier) +{ + switch (modifier) { + case DRM_FORMAT_MOD_INVALID: + return "INVALID"; + case DRM_FORMAT_MOD_LINEAR: + return "LINEAR"; + case I915_FORMAT_MOD_X_TILED: + return "X_TILED"; + case I915_FORMAT_MOD_Y_TILED: + return "Y_TILED"; + case I915_FORMAT_MOD_Yf_TILED: + return "Yf_TILED"; + case I915_FORMAT_MOD_Y_TILED_CCS: + return "Y_TILED_CCS"; + case I915_FORMAT_MOD_Yf_TILED_CCS: + return "Yf_TILED_CCS"; + case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: + return "SAMSUNG_64_32_TILE"; + case DRM_FORMAT_MOD_VIVANTE_TILED: + return "VIVANTE_TILED"; + case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED: + return "VIVANTE_SUPER_TILED"; + case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED: + return "VIVANTE_SPLIT_TILED"; + case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED: + return "VIVANTE_SPLIT_SUPER_TILED"; + case NV_FORMAT_MOD_TEGRA_TILED: + return "MOD_TEGRA_TILED"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(0): + return "MOD_TEGRA_16BX2_BLOCK(0)"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(1): + return "MOD_TEGRA_16BX2_BLOCK(1)"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(2): + return "MOD_TEGRA_16BX2_BLOCK(2)"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(3): + return "MOD_TEGRA_16BX2_BLOCK(3)"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(4): + return "MOD_TEGRA_16BX2_BLOCK(4)"; + case NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(5): + return "MOD_TEGRA_16BX2_BLOCK(5)"; + case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: + return "MOD_BROADCOM_VC4_T_TILED"; + default: + return "(UNKNOWN MODIFIER)"; + } +} + +static void dump_in_formats(struct device *dev, uint32_t blob_id) +{ + uint32_t i, j; + drmModePropertyBlobPtr blob; + struct drm_format_modifier_blob *header; + uint32_t *formats; + struct drm_format_modifier *modifiers; + + printf("\t\tin_formats blob decoded:\n"); + blob = drmModeGetPropertyBlob(dev->fd, blob_id); + if (!blob) { + printf("\n"); + return; + } + + header = blob->data; + formats = (uint32_t *) ((char *) header + header->formats_offset); + modifiers = (struct drm_format_modifier *) + ((char *) header + header->modifiers_offset); + + for (i = 0; i < header->count_formats; i++) { + printf("\t\t\t"); + dump_fourcc(formats[i]); + printf(": "); + for (j = 0; j < header->count_modifiers; j++) { + uint64_t mask = 1ULL << i; + if (modifiers[j].formats & mask) + printf(" %s", modifier_to_string(modifiers[j].modifier)); + } + printf("\n"); + } + + drmModeFreePropertyBlob(blob); +} + static void dump_prop(struct device *dev, drmModePropertyPtr prop, uint32_t prop_id, uint64_t value) { @@ -328,6 +411,9 @@ static void dump_prop(struct device *dev, drmModePropertyPtr prop, printf(" %"PRId64"\n", value); else printf(" %"PRIu64"\n", value); + + if (strcmp(prop->name, "IN_FORMATS") == 0) + dump_in_formats(dev, value); }
static void dump_connectors(struct device *dev)