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radeonsi: initialize SX_PS_DOWNCONVERT to 0 on Stoney

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otherwise the SX or CB blocks can go bananas

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Marek Olšák 2015-11-05 23:56:38 +01:00
parent f7757100f2
commit 40912dd91e
1 changed files with 3 additions and 0 deletions
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3
src/gallium/drivers/radeonsi/si_state.c
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@ -3444,6 +3444,9 @@ static void si_init_config(struct si_context *sctx)
si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32);
}
if (sctx->b.family == CHIP_STONEY)
si_pm4_set_reg(pm4, R_028754_SX_PS_DOWNCONVERT, 0);
si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8);
if (sctx->b.chip_class >= CIK)
si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40);