ac: add has_clear_state to ac_gpu_info

[mesa.git] / src / amd / common / ac_gpu_info.c

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index b02f1471463bd6740c88ee4757f6fe1898d57537..ed6e273c598f2f7e36cc947d02ed6901cafba0cf 100644 (file)
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -441,6 +441,12 @@ bool ac_query_gpu_info(int fd, void *dev_p,
        info->num_sdma_rings = util_bitcount(dma.available_rings);
        info->num_compute_rings = util_bitcount(compute.available_rings);
 
+       /* The mere presence of CLEAR_STATE in the IB causes random GPU hangs
+        * on GFX6. Some CLEAR_STATE cause asic hang on radeon kernel, etc.
+        * SPI_VS_OUT_CONFIG. So only enable GFX7 CLEAR_STATE on amdgpu kernel.
+        */
+       info->has_clear_state = info->chip_class >= GFX7;
+
        /* Get the number of good compute units. */
        info->num_good_compute_units = 0;
        for (i = 0; i < info->max_se; i++)