drm/amd: Add get_local_mem_info to KGD-KFD interface

Add get_local_mem_info which provides more information about local
memory than get_vmem_size:
- public and private framebuffer size
- memory clock

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 3a93ffe..c58389c 100644 (file)
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -60,6 +60,14 @@ struct kfd_cu_info {
        uint32_t cu_bitmap[4][4];
 };
 
+/* For getting GPU local memory information from KGD */
+struct kfd_local_mem_info {
+       uint64_t local_mem_size_private;
+       uint64_t local_mem_size_public;
+       uint32_t vram_width;
+       uint32_t mem_clk_max;
+};
+
 enum kgd_memory_pool {
        KGD_POOL_SYSTEM_CACHEABLE = 1,
        KGD_POOL_SYSTEM_WRITECOMBINE = 2,
@@ -122,6 +130,8 @@ struct tile_config {
  *
  * @get_vmem_size: Retrieves (physical) size of VRAM
  *
+ * @get_local_mem_info: Retrieves information about GPU local memory
+ *
  * @get_gpu_clock_counter: Retrieves GPU clock counter
  *
  * @get_max_engine_clock_in_mhz: Retrieves maximum GPU clock in MHz
@@ -181,6 +191,8 @@ struct kfd2kgd_calls {
        void (*free_gtt_mem)(struct kgd_dev *kgd, void *mem_obj);
 
        uint64_t (*get_vmem_size)(struct kgd_dev *kgd);
+       void (*get_local_mem_info)(struct kgd_dev *kgd,
+                       struct kfd_local_mem_info *mem_info);
        uint64_t (*get_gpu_clock_counter)(struct kgd_dev *kgd);
 
        uint32_t (*get_max_engine_clock_in_mhz)(struct kgd_dev *kgd);