gpu: nvgpu: add g cross reference in boardobjgrp

Added a pointer to GPU context in boardobjgrp, and updated
constructors. It will be useful to free allocated DMA resources.

JIRA EVLR-1959
Bug 200352099

Change-Id: I006e4f970c9a2525dabdfd6ad417be64e36b7b68
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1586551
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobjgrp.c b/drivers/gpu/nvgpu/boardobj/boardobjgrp.c
index e03dbe8d..66c87e08 100644
--- a/drivers/gpu/nvgpu/boardobj/boardobjgrp.c
+++ b/drivers/gpu/nvgpu/boardobj/boardobjgrp.c
@@ -44,7 +44,7 @@ struct boardobjgrp_pmucmdhandler_params {
         u32 success;
 };
 
-u32 boardobjgrp_construct_super(struct boardobjgrp *pboardobjgrp)
+u32 boardobjgrp_construct_super(struct gk20a *g, struct boardobjgrp *pboardobjgrp)
 {
         gk20a_dbg_info("");
 
@@ -57,6 +57,7 @@ u32 boardobjgrp_construct_super(struct boardobjgrp *pboardobjgrp)
         if (pboardobjgrp->mask == NULL)
                 return -EINVAL;
 
+        pboardobjgrp->g = g;
         pboardobjgrp->objmask = 0;
 
         pboardobjgrp->classid = 0;
@@ -104,6 +105,7 @@ u32 boardobjgrp_destruct_impl(struct boardobjgrp *pboardobjgrp)
 u32 boardobjgrp_destruct_super(struct boardobjgrp *pboardobjgrp)
 {
         struct boardobj *pboardobj;
+        struct gk20a *g = pboardobjgrp->g;
         u32 status = 0;
         u32 stat;
         u8  index;
@@ -134,11 +136,11 @@ u32 boardobjgrp_destruct_super(struct boardobjgrp *pboardobjgrp)
         }
 
         /* Destroy the PMU CMD data */
-        stat = boardobjgrp_pmucmd_destroy_impl(&pboardobjgrp->pmu.set);
+        stat = boardobjgrp_pmucmd_destroy_impl(g, &pboardobjgrp->pmu.set);
         if (status == 0)
                 status = stat;
 
-        stat = boardobjgrp_pmucmd_destroy_impl(&pboardobjgrp->pmu.getstatus);
+        stat = boardobjgrp_pmucmd_destroy_impl(g, &pboardobjgrp->pmu.getstatus);
         if (status == 0)
                 status = stat;
 
@@ -163,9 +165,12 @@ u32 boardobjgrp_pmucmd_construct_impl(struct gk20a *g, struct boardobjgrp
         return 0;
 }
 
-
-u32 boardobjgrp_pmucmd_destroy_impl(struct boardobjgrp_pmu_cmd *cmd)
+u32 boardobjgrp_pmucmd_destroy_impl(struct gk20a *g,
+        struct boardobjgrp_pmu_cmd *cmd)
 {
+        struct nvgpu_mem *mem = &cmd->surf.sysmem_desc;
+
+        nvgpu_pmu_surface_free(g, mem);
         return 0;
 }