gpu: nvgpu: vgpu: cyclestat characteristics fixes

Fix characteristics for cyclestats:

- SUPPORT_TSG and SUPPORT_CYCLE_STATS_SNAPSHOT were assigned the same value
- For vgpu, SUPPORT_CYCLE_STATS was set redundantly (but differently)
- For vgpu, if the css buffer size is 0, set the support flag to False

JIRA ESRM-88
Bug 200296210

Change-Id: Iaf98dafec55f171b5968c2a8248290284bf30922
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1593939
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index 2cd99e8c..c753fd97 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -371,7 +371,6 @@ int vgpu_init_gpu_characteristics(struct gk20a *g)
         g->gpu_characteristics.map_buffer_batch_limit = 0;
 
         /* features vgpu does not support */
-        __nvgpu_set_enabled(g, NVGPU_SUPPORT_CYCLE_STATS, false);
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_RESCHEDULE_RUNLIST, false);
 
         return 0;