gpu: nvgpu: Move dma_params to os_linux

dma_params is inherently a Linux structure, so move it to os_linux.

JIRA NVGPU-38

Change-Id: If81249b3cb7d65187202df72b35a1d24e274263b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1505928
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/driver_common.c b/drivers/gpu/nvgpu/common/linux/driver_common.c
index e5462646..c4d40c35 100644
--- a/drivers/gpu/nvgpu/common/linux/driver_common.c
+++ b/drivers/gpu/nvgpu/common/linux/driver_common.c
@@ -27,11 +27,13 @@
 #include "gk20a/gk20a.h"
 #include "gk20a/platform_gk20a.h"
 #include "module.h"
+#include "os_linux.h"
 
 #define EMC3D_DEFAULT_RATIO 750
 
 static void nvgpu_init_vars(struct gk20a *g)
 {
+        struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
         struct gk20a_platform *platform = dev_get_drvdata(g->dev);
 
         init_waitqueue_head(&g->sw_irq_stall_last_handled_wq);
@@ -54,7 +56,7 @@ static void nvgpu_init_vars(struct gk20a *g)
         g->emc3d_ratio = EMC3D_DEFAULT_RATIO;
 
         /* Set DMA parameters to allow larger sgt lists */
-        g->dev->dma_parms = &g->dma_parms;
+        g->dev->dma_parms = &l->dma_parms;
         dma_set_max_seg_size(g->dev, UINT_MAX);
 
         nvgpu_init_list_node(&g->pending_sema_waits);
diff --git a/drivers/gpu/nvgpu/common/linux/os_linux.h b/drivers/gpu/nvgpu/common/linux/os_linux.h
index f23926b3..a61d07e6 100644
--- a/drivers/gpu/nvgpu/common/linux/os_linux.h
+++ b/drivers/gpu/nvgpu/common/linux/os_linux.h
@@ -64,6 +64,8 @@ struct nvgpu_os_linux {
         } sched;
 
         dev_t cdev_region;
+
+        struct device_dma_parameters dma_parms;
 };
 
 static inline struct nvgpu_os_linux *nvgpu_os_linux_from_gk20a(struct gk20a *g)