[PATCH AUTOSEL 5.10 028/217] drm/amdgpu: set LDS_CONFIG=0x20 on Navy Flounder to fix a GPU hang (v2)

Sasha Levin
2020-12-23T03:13:28Z

From: Marek Olšák <marek.olsak@amd.com>

[ Upstream commit 4b60bb0dde1baf347540253f856c54bc908e525c ]

v2: squash in build fix

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 55f4b8c3b9338..66bdfbdcdf2b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3183,7 +3183,10 @@ static const struct soc15_reg_golden golden_settings_gc_10_3_2[] =
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER9_SELECT, 0xf0f001ff, 0x00000000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmTA_CNTL_AUX, 0xfff7ffff, 0x01030000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmUTCL1_CTRL, 0xffbfffff, 0x00a00000),
- SOC15_REG_GOLDEN_VALUE(GC, 0, mmVGT_GS_MAX_WAVE_ID, 0x00000fff, 0x000003ff)
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmVGT_GS_MAX_WAVE_ID, 0x00000fff, 0x000003ff),
+
+ /* This is not in GDB yet. Don't remove it. It fixes a GPU hang on Navy Flounder. */
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmLDS_CONFIG, 0x00000020, 0x00000020),
};

#define DEFAULT_SH_MEM_CONFIG \
--
2.27.0