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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-06-03 00:13:21 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-06-10 06:06:55 +0400 |
| commit | 65fcf668ee7f2de2fbd580e1297336045f1ef6f4 (patch) | |
| tree | 17064a99c2cf9b0e6d4baab83e654758edef4617 /drivers/gpu/drm/radeon/rv770.c | |
| parent | 478b6e72721807953bc3513fc5895d5f007614e3 (diff) | |
| download | linux-65fcf668ee7f2de2fbd580e1297336045f1ef6f4.tar.xz | |
drm/radeon: add query for number of active CUs
Query to find out how many compute units on a GPU.
Useful for OpenCL usermode drivers.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 97b776666b75..da8703d8d455 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1327,6 +1327,9 @@ static void rv770_gpu_init(struct radeon_device *rdev) if (tmp < rdev->config.rv770.max_simds) { rdev->config.rv770.max_simds = tmp; } + tmp = rdev->config.rv770.max_simds - + r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK); + rdev->config.rv770.active_simds = tmp; switch (rdev->config.rv770.max_tile_pipes) { case 1: |