Works around a hw bug.
Signed-off-by: Alex Deucher <[email protected]>
---
src/radeon_kms.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index 82e88d4..bf44b63 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -100,6 +100,13 @@ void radeon_cs_flush_indirect(ScrnInfoPtr pScrn)
info->accel_state->cbuf.vb_start_op = -1;
}
+ /* pad the IB to a multiple of 4 dwords for r6xx */
+ if ((info->ChipFamily >= CHIP_FAMILY_R600) &&
+ (info->ChipFamily <= CHIP_FAMILY_RS880)) {
+ while (info->cs->cdw & 3)
+ radeon_cs_write_dword(info->cs, 0x80000000);
+ }
+
radeon_cs_emit(info->cs);
radeon_cs_erase(info->cs);
--
1.8.3.1
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