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drm/radeon: fill in rb backend map on evergreen/ni. 

This looks to have never gotten filled in, and it seems to
 trigger a bug in mesa.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reported-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie 2018-01-09 13:43:03 +10:00 committed by Alex Deucher
parent d33bba4d5d
commit 8159e50920
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/radeon/evergreen.c
View File

@ -3513,6 +3513,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
}
rdev->config.evergreen.backend_map = tmp;
WREG32(GB_BACKEND_MAP, tmp);
WREG32(CGTS_SYS_TCC_DISABLE, 0);

1
drivers/gpu/drm/radeon/ni.c
View File

@ -1148,6 +1148,7 @@ static void cayman_gpu_init(struct radeon_device *rdev)
rdev->config.cayman.max_shader_engines,
CAYMAN_MAX_BACKENDS, disabled_rb_mask);
}
rdev->config.cayman.backend_map = tmp;
WREG32(GB_BACKEND_MAP, tmp);
cgts_tcc_disable = 0xffff0000;