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drm/msm: don't crash if no msm.vram param
authorRob Clark <robdclark@gmail.com>
Mon, 8 Sep 2014 18:24:57 +0000 (14:24 -0400)
committerRob Clark <robdclark@gmail.com>
Thu, 11 Sep 2014 10:49:21 +0000 (06:49 -0400)
If VRAM carveout is used, due to no IOMMU, we should have a default
value for msm.vram so that we don't simply crash.

Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/msm/msm_drv.c patch | blob | blame | history

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 26ee80db17af9fec7308f2e4defbac06f6dd6d3d..fcf95680413d5da99c86fed5a44c9c6386ba3350 100644 (file)
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -52,7 +52,7 @@ module_param(reglog, bool, 0600);
 #define reglog 0
 #endif
 
-static char *vram;
+static char *vram = "16m";
 MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU");
 module_param(vram, charp, 0);