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>
This commit is contained in:
Alex Deucher
2014-06-02 16:13:21 -04:00
parent 478b6e7272
commit 65fcf668ee
10 changed files with 76 additions and 4 deletions

View File

@@ -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: