gpu: nvgpu: Update eng_buf_load message for T18x

eng_buf_load message structure for T18x is updated. Update kernel
code to follow.

Bug 200119744

Change-Id: Ib86c3e54ed60704470b29d9f7de612697cfd54a3
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/764458
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Tested-by: Mahantesh Kumbar <mkumbar@nvidia.com>

2 files changed, 10 insertions, 8 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index 1f21555c..de44f925 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -839,7 +839,7 @@ static void pg_cmd_eng_buf_load_set_buf_size_v0(struct pmu_pg_cmd *pg,
 static void pg_cmd_eng_buf_load_set_buf_size_v1(struct pmu_pg_cmd *pg,
         u16 value)
 {
-        pg->eng_buf_load_v1.buf_size = value;
+        pg->eng_buf_load_v1.dma_desc.dma_size = value;
 }
 
 static void pg_cmd_eng_buf_load_set_dma_base_v0(struct pmu_pg_cmd *pg,
@@ -850,8 +850,8 @@ static void pg_cmd_eng_buf_load_set_dma_base_v0(struct pmu_pg_cmd *pg,
 static void pg_cmd_eng_buf_load_set_dma_base_v1(struct pmu_pg_cmd *pg,
         u32 value)
 {
-        pg->eng_buf_load_v1.dma_addr.dma_base = value;
-        pg->eng_buf_load_v1.dma_addr.dma_base1 = 0;
+        pg->eng_buf_load_v1.dma_desc.dma_addr.lo |= u64_lo32(value << 8);
+        pg->eng_buf_load_v1.dma_desc.dma_addr.hi |= u64_hi32(value << 8);
 }
 
 static void pg_cmd_eng_buf_load_set_dma_offset_v0(struct pmu_pg_cmd *pg,
@@ -862,7 +862,7 @@ static void pg_cmd_eng_buf_load_set_dma_offset_v0(struct pmu_pg_cmd *pg,
 static void pg_cmd_eng_buf_load_set_dma_offset_v1(struct pmu_pg_cmd *pg,
         u8 value)
 {
-        pg->eng_buf_load_v1.dma_addr.dma_offset = value;
+        pg->eng_buf_load_v1.dma_desc.dma_addr.lo |= value;
 }
 
 static void pg_cmd_eng_buf_load_set_dma_idx_v0(struct pmu_pg_cmd *pg,
@@ -873,7 +873,7 @@ static void pg_cmd_eng_buf_load_set_dma_idx_v0(struct pmu_pg_cmd *pg,
 static void pg_cmd_eng_buf_load_set_dma_idx_v1(struct pmu_pg_cmd *pg,
         u8 value)
 {
-        pg->eng_buf_load_v1.dma_idx = value;
+        pg->eng_buf_load_v1.dma_desc.dma_idx = value;
 }
 
 
diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 85403767..0682e4b8 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -680,9 +680,11 @@ struct pmu_pg_cmd_eng_buf_load_v1 {
         u8 engine_id;
         u8 buf_idx;
         u8 pad;
-        u16 buf_size;
-        struct falc_dma_addr dma_addr;  /* 256-byte block address */
-        u8 dma_idx;
+        struct flcn_mem_desc {
+                struct falc_u64 dma_addr;
+                u16 dma_size;
+                u8 dma_idx;
+        } dma_desc;
 };
 
 enum {