gpu: nvgpu: vgpu: add function vgpu_is_reduced_bar1()

The implementation is os specific for now.

Jira EVLR-2364

Change-Id: I8ac390b056aa9ca5b5d4ab2ac4dbc06f6689f4a4
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1649944
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

3 files changed, 10 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/common/linux/vgpu/fifo_vgpu.c
index 29f08d4b..b92da97a 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/fifo_vgpu.c
@@ -31,9 +31,6 @@
 #include "vgpu.h"
 #include "fifo_vgpu.h"
 
-#include "common/linux/channel.h"
-#include "common/linux/os_linux.h"
-
 #include <nvgpu/hw/gk20a/hw_fifo_gk20a.h>
 #include <nvgpu/hw/gk20a/hw_ram_gk20a.h>
 
@@ -265,7 +262,6 @@ clean_up_runlist:
 
 static int vgpu_init_fifo_setup_sw(struct gk20a *g)
 {
-        struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
         struct fifo_gk20a *f = &g->fifo;
         struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
         unsigned int chid;
@@ -301,8 +297,7 @@ static int vgpu_init_fifo_setup_sw(struct gk20a *g)
                 /* if reduced BAR1 range is specified, use offset of 0
                  * (server returns offset assuming full BAR1 range)
                  */
-                if (resource_size(l->bar1_mem) ==
-                                (resource_size_t)f->userd.size)
+                if (vgpu_is_reduced_bar1(g))
                         f->userd.gpu_va = 0;
         }
 
diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.h b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.h
index 66d993fc..8fa1a0f8 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.h
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.h
@@ -99,5 +99,6 @@ int vgpu_read_ptimer(struct gk20a *g, u64 *value);
 int vgpu_get_timestamps_zipper(struct gk20a *g,
                 u32 source_id, u32 count,
                 struct nvgpu_cpu_time_correlation_sample *samples);
+bool vgpu_is_reduced_bar1(struct gk20a *g);
 
 #endif
diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
index 69bf22ee..7aa72554 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
@@ -461,3 +461,11 @@ int vgpu_remove(struct platform_device *pdev)
 
         return 0;
 }
+
+bool vgpu_is_reduced_bar1(struct gk20a *g)
+{
+        struct fifo_gk20a *f = &g->fifo;
+        struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
+
+        return resource_size(l->bar1_mem) == (resource_size_t)f->userd.size;
+}