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modetest: Decode IN_FORMATS plane blob property 

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>
main
Kristian H. Kristensen 2017-09-28 16:02:09 -07:00
parent 290d29d979
commit 511c71c868
1 changed files with 86 additions and 0 deletions
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86
tests/modetest/modetest.c
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@ -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)