[Mesa-dev] [PATCH 3/3] winsys/radeon: clamp vram_vis_size to 256MB

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

the value from the kernel is wrong
---
 src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 2 +-
 1 file changed, 1 insertion(+), 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 278d4f3..a8da62f 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -365,21 +365,21 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws)
     /* Get GEM info. */
     retval = drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_INFO,
             &gem_info, sizeof(gem_info));
     if (retval) {
         fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
                 retval);
         return false;
     }
     ws->info.gart_size = gem_info.gart_size;
     ws->info.vram_size = gem_info.vram_size;
-    ws->info.vram_vis_size = gem_info.vram_visible;
+    ws->info.vram_vis_size = MIN2(gem_info.vram_visible, 256*1024*1024);
 
     /* Radeon allocates all buffers as contigous, which makes large allocations
      * unlikely to succeed. */
     ws->info.max_alloc_size = MAX2(ws->info.vram_size, ws->info.gart_size) * 0.7;
     if (ws->info.drm_minor < 40)
         ws->info.max_alloc_size = MIN2(ws->info.max_alloc_size, 256*1024*1024);
 
     /* Get max clock frequency info and convert it to MHz */
     radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SCLK, NULL,
                          &ws->info.max_shader_clock);
-- 
2.7.4