drm/amdgpu: add NGG parameters
NGG (Next Generation Graphics) is a new feature in GFX9.0. This
adds the relevant parameters.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 7552598..886f105 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -103,6 +103,11 @@ extern char *amdgpu_disable_cu;
extern char *amdgpu_virtual_display;
extern unsigned amdgpu_pp_feature_mask;
extern int amdgpu_vram_page_split;
+extern int amdgpu_ngg;
+extern int amdgpu_prim_buf_per_se;
+extern int amdgpu_pos_buf_per_se;
+extern int amdgpu_cntl_sb_buf_per_se;
+extern int amdgpu_param_buf_per_se;
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
@@ -957,6 +962,28 @@ struct amdgpu_gfx_funcs {
void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
};
+struct amdgpu_ngg_buf {
+ struct amdgpu_bo *bo;
+ uint64_t gpu_addr;
+ uint32_t size;
+ uint32_t bo_size;
+};
+
+enum {
+ PRIM = 0,
+ POS,
+ CNTL,
+ PARAM,
+ NGG_BUF_MAX
+};
+
+struct amdgpu_ngg {
+ struct amdgpu_ngg_buf buf[NGG_BUF_MAX];
+ uint32_t gds_reserve_addr;
+ uint32_t gds_reserve_size;
+ bool init;
+};
+
struct amdgpu_gfx {
struct mutex gpu_clock_mutex;
struct amdgpu_gfx_config config;
@@ -1000,6 +1027,8 @@ struct amdgpu_gfx {
uint32_t grbm_soft_reset;
uint32_t srbm_soft_reset;
bool in_reset;
+ /* NGG */
+ struct amdgpu_ngg ngg;
};
int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,