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authorDave Airlie <[email protected]>2015-12-07 17:59:34 +1000
committerDave Airlie <[email protected]>2015-12-07 18:57:34 +1000
commit41e82f4f96f87e3b5bd3e7a3dc221cf6e6b6ae0b (patch)
treed2c616eb28494a370a01916f607b8618b7486337 /src/gallium/drivers/r600/evergreen_state.c
parent6bf6bdbc2bbc14875fff725aad9b7ed6ccfeff64 (diff)
r600: apply SIMD workaround to cayman also.
At last on ARUBA this is required to stop tessellation hanging in heaven. This removes one of the SIMDs from use by the HS/LS. Reviewed-by: Edward O'Callaghan <[email protected]> Tested-by: Edward O'Callaghan <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 571ea860917..6e0c448ce8a 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -2424,7 +2424,7 @@ static void cayman_init_atom_start_cs(struct r600_context *rctx)
struct r600_command_buffer *cb = &rctx->start_cs_cmd;
int tmp, i;
- r600_init_command_buffer(cb, 336);
+ r600_init_command_buffer(cb, 342);
/* This must be first. */
r600_store_value(cb, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
@@ -2441,6 +2441,12 @@ static void cayman_init_atom_start_cs(struct r600_context *rctx)
r600_store_config_reg(cb, R_009100_SPI_CONFIG_CNTL, 0);
r600_store_config_reg(cb, R_00913C_SPI_CONFIG_CNTL_1, S_00913C_VTX_DONE_DELAY(4));
+ /* remove LS/HS from one SIMD for hw workaround */
+ r600_store_config_reg_seq(cb, R_008E20_SQ_STATIC_THREAD_MGMT1, 3);
+ r600_store_value(cb, 0xffffffff);
+ r600_store_value(cb, 0xffffffff);
+ r600_store_value(cb, 0xfffffffe);
+
r600_store_context_reg_seq(cb, R_028900_SQ_ESGS_RING_ITEMSIZE, 6);
r600_store_value(cb, 0); /* R_028900_SQ_ESGS_RING_ITEMSIZE */
r600_store_value(cb, 0); /* R_028904_SQ_GSVS_RING_ITEMSIZE */
@@ -2862,6 +2868,7 @@ void evergreen_init_atom_start_cs(struct r600_context *rctx)
r600_store_config_reg(cb, R_008E2C_SQ_LDS_RESOURCE_MGMT,
S_008E2C_NUM_PS_LDS(0x1000) | S_008E2C_NUM_LS_LDS(0x1000));
+ /* remove LS/HS from one SIMD for hw workaround */
r600_store_config_reg_seq(cb, R_008E20_SQ_STATIC_THREAD_MGMT1, 3);
r600_store_value(cb, 0xffffffff);
r600_store_value(cb, 0xffffffff);