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pan/mod: Reorder linear modifier checks

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As with AFBC, split the checks into 'can this ever work' vs. 'can this
work for what I want it to?'.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40886>
This commit is contained in:
Daniel Stone 2026-05-14 14:22:27 +01:00 • committed by Marge Bot
parent 4364f5352a
commit c5415c7aed
1 changed files with 15 additions and 13 deletions
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28
src/panfrost/lib/pan_mod.c
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@ -678,24 +678,26 @@ pan_mod_linear_test_props(const struct pan_kmod_dev_props *dprops,
{
assert(GENX(pan_format_from_pipe_format)(iprops->format)->hw);
switch (iprops->format) {
case PIPE_FORMAT_R8G8B8_420_UNORM_PACKED:
case PIPE_FORMAT_R10G10B10_420_UNORM_PACKED:
case PIPE_FORMAT_X6R10X6G10_X6R10X6B10_422_UNORM:
/* These formats have no linear representation. */
return PAN_MOD_NOT_SUPPORTED;
default:
break;
}
/* We can't implement mapping of tiles at standard sparse granularity using
* this layout. */
if (iusage && iusage->standard_sparse_mapping_granularity)
return PAN_MOD_NOT_SUPPORTED;
switch (iprops->format) {
/* AFBC-only formats. */
case PIPE_FORMAT_R8G8B8_420_UNORM_PACKED:
case PIPE_FORMAT_R10G10B10_420_UNORM_PACKED:
case PIPE_FORMAT_X6R10X6G10_X6R10X6B10_422_UNORM:
return PAN_MOD_NOT_SUPPORTED;
default:
/* We assume that all "better" mods have been tested before linear, and
* declare it as optimal so it's always picked when tested, unless it's
* not supported.
*/
return PAN_MOD_OPTIMAL;
}
/* We assume that all "better" mods have been tested before linear, and
* declare it as optimal so it's always picked when tested, unless it's
* not supported.
*/
return PAN_MOD_OPTIMAL;
}
static uint32_t