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radeonsi: add a bug workaround for NGG - LATE_ALLOC_GS

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Cc: 19.3 20.0 <mesa-stable@lists.freedesktop.org>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4079>
This commit is contained in:
Marek Olšák
2020-03-03 18:40:50 -05:00
parent 5ea2034f58
commit 7481c4be58
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/radeonsi/si_state_shaders.c
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@@ -1236,6 +1236,12 @@ static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader
else
late_alloc_wave64 = (num_cu_per_sh - 2) * 4;
/* Limit LATE_ALLOC_GS for prevent a hang (hw bug). */
if (sscreen->info.family == CHIP_NAVI10 ||
sscreen->info.family == CHIP_NAVI12 ||
sscreen->info.family == CHIP_NAVI14)
late_alloc_wave64 = MIN2(late_alloc_wave64, 64);
si_pm4_set_reg(pm4, R_00B204_SPI_SHADER_PGM_RSRC4_GS,
S_00B204_CU_EN(0xffff) |
S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_wave64));