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drm/radeon/kms: fix handling of tex lookup disable in cs checker on r2xx

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There are cases when multiple texture units have to be enabled,
but not actually used to sample.  This patch checks to see if
the lookup_disable bit is set and if so, skips the texture check.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=25544

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-10-27 01:02:35 -04:00
committed by Dave Airlie
parent 135cba0dc3
commit 43b93fbffc
4 changed files with 7 additions and 0 deletions
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2
drivers/gpu/drm/radeon/r200.c
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@@ -447,6 +447,8 @@ int r200_packet0_check(struct radeon_cs_parser *p,
track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
}
if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
track->textures[i].lookup_disable = true;
switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
case R200_TXFORMAT_I8:
case R200_TXFORMAT_RGB332: