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ac/gpu_info: if clock crystal frequency is 0, print an error and set 1

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During bring-up, this is often 0. Prevent automatic disablement of
ARB_timer_query and demotion of the OpenGL version to 3.2 by setting
a non-zero frequency. Print an error message instead.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-07-10 16:01:28 +02:00
parent d0963ef084
commit 3d1a576fa6
1 changed files with 4 additions and 0 deletions
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4
src/amd/common/ac_gpu_info.c
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@ -260,6 +260,10 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
info->has_userptr = true;
info->num_render_backends = amdinfo->rb_pipes;
info->clock_crystal_freq = amdinfo->gpu_counter_freq;
if (!info->clock_crystal_freq) {
fprintf(stderr, "amdgpu: clock crystal frequency is 0, timestamps will be wrong\n");
info->clock_crystal_freq = 1;
}
info->tcc_cache_line_size = 64; /* TC L2 line size on GCN */
if (info->chip_class == GFX9) {
info->num_tile_pipes = 1 << G_0098F8_NUM_PIPES(amdinfo->gb_addr_cfg);