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drm/radeon/kms: fix incorrect comparison in cayman setup code.

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This was leading to a bogus value being programmed to the backend
routing register.

Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2011-05-19 14:14:40 +10:00 committed by Dave Airlie
parent 97bfd0acd3
commit c289cff10a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/ni.c
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@ -417,7 +417,7 @@ static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
num_shader_engines = 1;
if (num_shader_engines > rdev->config.cayman.max_shader_engines)
num_shader_engines = rdev->config.cayman.max_shader_engines;
if (num_backends_per_asic > num_shader_engines)
if (num_backends_per_asic < num_shader_engines)
num_backends_per_asic = num_shader_engines;
if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;