gpu: nvgpu: vgpu: support clk-arb

1. Implement the following vgpu functions to support clk-arb:
- vgpu_clk_get_range() to return min and max freqs from
supported frequencies
- implement vgpu_clk_get_round_rate() which sets rounded
rate to input rate. Rounding is handled in RM Server
- modify vgpu_clk_get_freqs() to retrieve freq table in IVM
memory instead of copying the value in array as part of cmd
message.

2. Add support for clk-arb related HALs for vgpu.

3. support_clk_freq_controller is assigned true for vgpu
provided guest VM has the privilege to set clock frequency.

Bug 200422845
Bug 2363882
Jira EVLR-3254

Change-Id: I91fc392db381c5db1d52b19d45ec0481fdc27554
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1812379
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index 9ad0468e..7d7df9b3 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -26,6 +26,7 @@
 #include <nvgpu/vgpu/vgpu.h>
 #include <nvgpu/timers.h>
 #include <nvgpu/channel.h>
+#include <nvgpu/clk_arb.h>
 
 #include "gk20a/gk20a.h"
 #include "fecs_trace_vgpu.h"
@@ -235,6 +236,13 @@ void vgpu_remove_support_common(struct gk20a *g)
                                 &msg, sizeof(msg));
         WARN_ON(err);
         nvgpu_thread_stop(&priv->intr_handler);
+
+        nvgpu_clk_arb_cleanup_arbiter(g);
+
+        nvgpu_mutex_destroy(&g->clk_arb_enable_lock);
+        nvgpu_mutex_destroy(&priv->vgpu_clk_get_freq_lock);
+
+        nvgpu_kfree(g, priv->freqs);
 }
 
 void vgpu_detect_chip(struct gk20a *g)