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Do a tcl state flush before accessing tcl vector space. This fixes some

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more problems with flickering (bug #6637). drm may not be appropriate
    place for this, since doing that flush there might both be overkill and
    insufficient in some cases. However, it's hard to figure out when that
    flush is needed, so this has to suffice. There does not seem to be a
    performance penalty associated with it.
This commit is contained in:
Roland Scheidegger 2006-05-20 09:08:18 +00:00
parent 79e5969172
commit e1b627c17e
1 changed files with 2 additions and 1 deletions
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3
shared-core/radeon_state.c
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@ -2630,7 +2630,8 @@ static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv,
int stride = header.vectors.stride;
RING_LOCALS;
BEGIN_RING(3 + sz);
BEGIN_RING(5 + sz);
OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));