gpu: nvgpu: vgpu: add pm qos support

Send cmd to RM server to change clk rate when PM_QOS_GPU_FREQ_BOUNDS
max changes.

Bug 200206160

Change-Id: I7f19e5f711426517baf8e7f934bf41972012644b
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1172792
(cherry picked from commit 973c258fd85449c3862df2498362e358fd3682c9)
Reviewed-on: http://git-master/r/1180892
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/tegra_vgpu.h b/include/linux/tegra_vgpu.h
index 6e8f5d53..c821f31a 100644
--- a/include/linux/tegra_vgpu.h
+++ b/include/linux/tegra_vgpu.h
@@ -97,6 +97,7 @@ enum {
         TEGRA_VGPU_CMD_CHANNEL_ENABLE = 58,
         TEGRA_VGPU_CMD_READ_PTIMER = 59,
         TEGRA_VGPU_CMD_SET_POWERGATE = 60,
+        TEGRA_VGPU_CMD_SET_GPU_CLK_RATE = 61,
 };
 
 struct tegra_vgpu_connect_params {
@@ -399,6 +400,10 @@ struct tegra_vgpu_set_powergate_params {
         u32 mode;
 };
 
+struct tegra_vgpu_gpu_clk_rate_params {
+        u32 rate; /* in kHz */
+};
+
 struct tegra_vgpu_cmd_msg {
         u32 cmd;
         int ret;
@@ -441,6 +446,7 @@ struct tegra_vgpu_cmd_msg {
                 struct tegra_vgpu_tsg_runlist_interleave_params tsg_interleave;
                 struct tegra_vgpu_read_ptimer_params read_ptimer;
                 struct tegra_vgpu_set_powergate_params set_powergate;
+                struct tegra_vgpu_gpu_clk_rate_params gpu_clk_rate;
                 char padding[192];
         } params;
 };