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

[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / radeon / ni.c

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 7aade20f63a8c5fb932776a084aceffe5366faff..4e30e9ebd17c5bf54d06f18b528a9a356e375652 100644 (file)
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -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;
@@ -931,6 +931,10 @@ static void cayman_gpu_init(struct radeon_device *rdev)
        WREG32(CB_PERF_CTR3_SEL_0, 0);
        WREG32(CB_PERF_CTR3_SEL_1, 0);
 
+       tmp = RREG32(HDP_MISC_CNTL);
+       tmp |= HDP_FLUSH_INVALIDATE_CACHE;
+       WREG32(HDP_MISC_CNTL, tmp);
+
        hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
        WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);