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winsys/radeon: Allow visible VRAM size > 256MB with kernel driver >= 2.49

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The kernel driver reports correct values now.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2017-01-31 15:33:19 +09:00 • committed by Michel Dänzer
parent 58828fe4ae
commit 31136eae3a
1 changed files with 6 additions and 1 deletions
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7
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
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@ -372,7 +372,12 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws)
}
ws->info.gart_size = gem_info.gart_size;
ws->info.vram_size = gem_info.vram_size;
ws->info.vram_vis_size = MIN2(gem_info.vram_visible, 256*1024*1024);
ws->info.vram_vis_size = gem_info.vram_visible;
/* Older versions of the kernel driver reported incorrect values, and
* didn't support more than 256MB of visible VRAM anyway
*/
if (ws->info.drm_minor < 49)
ws->info.vram_vis_size = MIN2(ws->info.vram_vis_size, 256*1024*1024);
/* Radeon allocates all buffers as contigous, which makes large allocations
* unlikely to succeed. */