From 837ceffcab417865db8adbdf1a2038ebde8ec1a5 Mon Sep 17 00:00:00 2001 From: Leonid Moiseichuk Date: Fri, 8 May 2015 15:06:42 +0300 Subject: gpu: nvgpu: cyclestats mode E snapshots support That is a kernel supporting code for cyclestats mode E. Cyclestats mode E implemented following Windows-design in user-space and required the following operations to be implemented: - attach a client for shared hardware buffer of device - detach client from shared hardware buffer - flush means copy of available data from hardware buffer to private client buffers according to perfmon IDs assigned for clients - perfmon IDs management for user-space clients - a NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS_SNAPSHOT capability added Bug 1573150 Change-Id: I9e09f0fbb2be5a95c47e6d80a2e23fa839b46f9a Signed-off-by: Leonid Moiseichuk Reviewed-on: http://git-master/r/740653 (cherry picked from commit 79fe89fd4cea39d8ab9dbef0558cd806ddfda87f) Reviewed-on: http://git-master/r/753274 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/gk20a/channel_gk20a.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/nvgpu/gk20a/channel_gk20a.h') diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h index 5fe03cef..f022fe36 100644 --- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h @@ -133,6 +133,9 @@ struct channel_gk20a { struct dma_buf *cyclestate_buffer_handler; struct mutex cyclestate_buffer_mutex; } cyclestate; + + struct mutex cs_client_mutex; + struct gk20a_cs_snapshot_client *cs_client; #endif struct mutex dbg_s_lock; struct list_head dbg_s_list; -- cgit v1.2.2