nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-25 02:52:51 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: gp10b: skip powergate if no BPMP

Browse Source 
The powergating APIs only work if the BPMP is running.  Skip
these calls if it's not available, instead of relying on
is_linsim, which doesn't work under all environments.

Change-Id: I34325847b2ebf33c5db2f31111c57d22ed28ef53
Signed-off-by: Matt Craighead <mcraighead@nvidia.com>
Reviewed-on: http://git-master/r/812415
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Matt Craighead
2015-10-06 17:22:08 -05:00
committed by Deepak Nibade
parent 1ba28cf44d
commit 6f4d1bb2e7
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c
View File

@@ -25,6 +25,7 @@
#include <linux/nvmap.h>
#include <linux/tegra_pm_domains.h>
#include <linux/reset.h>
#include <soc/tegra/tegra_bpmp.h>
#include "gk20a/platform_gk20a.h"
#include "gk20a/gk20a.h"
#include "platform_tegra.h"
@@ -136,7 +137,7 @@ static bool gp10b_tegra_is_railgated(struct platform_device *pdev)
{
bool ret = false;
if (!tegra_platform_is_linsim())
if (tegra_bpmp_running())
ret = !tegra_powergate_is_powered(TEGRA_POWERGATE_GPU);
return ret;
@@ -146,7 +147,7 @@ static int gp10b_tegra_railgate(struct platform_device *pdev)
{
struct gk20a_platform *platform = gk20a_get_platform(pdev);
if (!tegra_platform_is_linsim() &&
if (tegra_bpmp_running() &&
tegra_powergate_is_powered(TEGRA_POWERGATE_GPU)) {
int i;
for (i = 0; i < platform->num_clks; i++) {
@@ -163,7 +164,7 @@ static int gp10b_tegra_unrailgate(struct platform_device *pdev)
int ret = 0;
struct gk20a_platform *platform = gk20a_get_platform(pdev);
if (!tegra_platform_is_linsim()) {
if (tegra_bpmp_running()) {
int i;
ret = tegra_unpowergate_partition(TEGRA_POWERGATE_GPU);
for (i = 0; i < platform->num_clks; i++) {