[PATCH] winsys/radeon: Allow visible VRAM size > 256MB with kernel driver >= 2.49
Michel Dänzer
michel at daenzer.net
Tue Jan 31 06:54:14 UTC 2017
From: Michel Dänzer <michel.daenzer at amd.com>
The kernel driver reports correct values now.
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index a8da62fd36..cacd683879 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -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. */
--
2.11.0
More information about the amd-gfx
mailing list