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Commit c289cff1 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
Browse files

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



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

Reviewed-by: default avatarAlex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 97bfd0ac

drivers/gpu/drm/radeon/ni.c

+1 −1
Original line number Diff line number Diff line
@@ -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;