gpu: nvgpu: Reorg fb HAL initialization

Reorganize HAL initialization to remove inheritance and construct
the gpu_ops struct at compile time. This patch only covers the
fb sub-module of the gpu_ops struct.

Perform HAL function assignments in hal_gxxxx.c through the
population of a chip-specific copy of gpu_ops.

Jira NVGPU-74

Change-Id: Ib746798b849810401c12abf5e9cce42d827c6fb1
Signed-off-by: Sunny He <suhe@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1533350
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

3 files changed, 40 insertions, 30 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/fb_gm20b.c b/drivers/gpu/nvgpu/gm20b/fb_gm20b.c
index 47b4313b..31947ad0 100644
--- a/drivers/gpu/nvgpu/gm20b/fb_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/fb_gm20b.c
@@ -25,7 +25,7 @@
 
 #define VPR_INFO_FETCH_WAIT     (5)
 
-static void fb_gm20b_init_fs_state(struct gk20a *g)
+void fb_gm20b_init_fs_state(struct gk20a *g)
 {
         gk20a_dbg_info("initialize gm20b fb");
 
@@ -434,7 +434,7 @@ void gm20b_init_kind_attr(void)
         }
 }
 
-static void gm20b_fb_set_mmu_page_size(struct gk20a *g)
+void gm20b_fb_set_mmu_page_size(struct gk20a *g)
 {
         /* set large page size in fb */
         u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r());
@@ -442,7 +442,7 @@ static void gm20b_fb_set_mmu_page_size(struct gk20a *g)
         gk20a_writel(g, fb_mmu_ctrl_r(), fb_mmu_ctrl);
 }
 
-static bool gm20b_fb_set_use_full_comp_tag_line(struct gk20a *g)
+bool gm20b_fb_set_use_full_comp_tag_line(struct gk20a *g)
 {
         /* set large page size in fb */
         u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r());
@@ -452,17 +452,17 @@ static bool gm20b_fb_set_use_full_comp_tag_line(struct gk20a *g)
         return true;
 }
 
-static unsigned int gm20b_fb_compression_page_size(struct gk20a *g)
+unsigned int gm20b_fb_compression_page_size(struct gk20a *g)
 {
         return SZ_128K;
 }
 
-static unsigned int gm20b_fb_compressible_page_size(struct gk20a *g)
+unsigned int gm20b_fb_compressible_page_size(struct gk20a *g)
 {
         return SZ_64K;
 }
 
-static void gm20b_fb_dump_vpr_wpr_info(struct gk20a *g)
+void gm20b_fb_dump_vpr_wpr_info(struct gk20a *g)
 {
         u32 val;
 
@@ -511,7 +511,7 @@ static int gm20b_fb_vpr_info_fetch_wait(struct gk20a *g,
         return -ETIMEDOUT;
 }
 
-static int gm20b_fb_vpr_info_fetch(struct gk20a *g)
+int gm20b_fb_vpr_info_fetch(struct gk20a *g)
 {
         if (gm20b_fb_vpr_info_fetch_wait(g, VPR_INFO_FETCH_WAIT)) {
                 return -ETIME;
@@ -523,14 +523,14 @@ static int gm20b_fb_vpr_info_fetch(struct gk20a *g)
         return gm20b_fb_vpr_info_fetch_wait(g, VPR_INFO_FETCH_WAIT);
 }
 
-static bool gm20b_fb_debug_mode_enabled(struct gk20a *g)
+bool gm20b_fb_debug_mode_enabled(struct gk20a *g)
 {
         u32 debug_ctrl = gk20a_readl(g, gr_gpcs_pri_mmu_debug_ctrl_r());
         return gr_gpcs_pri_mmu_debug_ctrl_debug_v(debug_ctrl) ==
                 gr_gpcs_pri_mmu_debug_ctrl_debug_enabled_v();
 }
 
-static void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable)
+void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable)
 {
         u32 reg_val, fb_debug_ctrl, gpc_debug_ctrl;
 
@@ -554,21 +554,3 @@ static void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable)
                         gr_gpcs_pri_mmu_debug_ctrl_debug_m(), gpc_debug_ctrl);
         gk20a_writel(g, gr_gpcs_pri_mmu_debug_ctrl_r(), reg_val);
 }
-
-void gm20b_init_fb(struct gpu_ops *gops)
-{
-        gops->fb.reset = fb_gk20a_reset;
-        gops->fb.init_hw = gk20a_fb_init_hw;
-        gops->fb.init_fs_state = fb_gm20b_init_fs_state;
-        gops->fb.set_mmu_page_size = gm20b_fb_set_mmu_page_size;
-        gops->fb.set_use_full_comp_tag_line = gm20b_fb_set_use_full_comp_tag_line;
-        gops->fb.compression_page_size = gm20b_fb_compression_page_size;
-        gops->fb.compressible_page_size = gm20b_fb_compressible_page_size;
-        gops->fb.vpr_info_fetch = gm20b_fb_vpr_info_fetch;
-        gops->fb.dump_vpr_wpr_info = gm20b_fb_dump_vpr_wpr_info;
-        gops->fb.is_debug_mode_enabled = gm20b_fb_debug_mode_enabled;
-        gops->fb.set_debug_mode = gm20b_fb_set_debug_mode;
-        gops->fb.tlb_invalidate = gk20a_fb_tlb_invalidate;
-        gm20b_init_uncompressed_kind_map();
-        gm20b_init_kind_attr();
-}
diff --git a/drivers/gpu/nvgpu/gm20b/fb_gm20b.h b/drivers/gpu/nvgpu/gm20b/fb_gm20b.h
index 22b848d6..42e86407 100644
--- a/drivers/gpu/nvgpu/gm20b/fb_gm20b.h
+++ b/drivers/gpu/nvgpu/gm20b/fb_gm20b.h
@@ -1,7 +1,7 @@
 /*
  * GM20B FB
  *
- * Copyright (c) 2014, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -17,7 +17,16 @@
 #define _NVHOST_GM20B_FB
 struct gk20a;
 
-void gm20b_init_fb(struct gpu_ops *gops);
+void fb_gm20b_init_fs_state(struct gk20a *g);
+void gm20b_fb_set_mmu_page_size(struct gk20a *g);
+bool gm20b_fb_set_use_full_comp_tag_line(struct gk20a *g);
+unsigned int gm20b_fb_compression_page_size(struct gk20a *g);
+unsigned int gm20b_fb_compressible_page_size(struct gk20a *g);
+void gm20b_fb_dump_vpr_wpr_info(struct gk20a *g);
+int gm20b_fb_vpr_info_fetch(struct gk20a *g);
+bool gm20b_fb_debug_mode_enabled(struct gk20a *g);
+void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable);
+
 void gm20b_init_uncompressed_kind_map(void);
 void gm20b_init_kind_attr(void);
 #endif
diff --git a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
index 7861e438..a540de64 100644
--- a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
@@ -16,6 +16,7 @@
 #include "gk20a/gk20a.h"
 #include "gk20a/ce2_gk20a.h"
 #include "gk20a/dbg_gpu_gk20a.h"
+#include "gk20a/fb_gk20a.h"
 #include "gk20a/fifo_gk20a.h"
 #include "gk20a/therm_gk20a.h"
 #include "gk20a/css_gr_gk20a.h"
@@ -161,6 +162,21 @@ static const struct gpu_ops gm20b_ops = {
                 .isr_stall = gk20a_ce2_isr,
                 .isr_nonstall = gk20a_ce2_nonstall_isr,
         },
+        .fb = {
+                .reset = fb_gk20a_reset,
+                .init_hw = gk20a_fb_init_hw,
+                .init_fs_state = fb_gm20b_init_fs_state,
+                .set_mmu_page_size = gm20b_fb_set_mmu_page_size,
+                .set_use_full_comp_tag_line =
+                        gm20b_fb_set_use_full_comp_tag_line,
+                .compression_page_size = gm20b_fb_compression_page_size,
+                .compressible_page_size = gm20b_fb_compressible_page_size,
+                .vpr_info_fetch = gm20b_fb_vpr_info_fetch,
+                .dump_vpr_wpr_info = gm20b_fb_dump_vpr_wpr_info,
+                .is_debug_mode_enabled = gm20b_fb_debug_mode_enabled,
+                .set_debug_mode = gm20b_fb_set_debug_mode,
+                .tlb_invalidate = gk20a_fb_tlb_invalidate,
+        },
         .clock_gating = {
                 .slcg_bus_load_gating_prod =
                         gm20b_slcg_bus_load_gating_prod,
@@ -378,6 +394,7 @@ int gm20b_init_hal(struct gk20a *g)
 
         gops->ltc = gm20b_ops.ltc;
         gops->ce2 = gm20b_ops.ce2;
+        gops->fb = gm20b_ops.fb;
         gops->clock_gating = gm20b_ops.clock_gating;
         gops->fifo = gm20b_ops.fifo;
         gops->gr_ctx = gm20b_ops.gr_ctx;
@@ -445,10 +462,12 @@ int gm20b_init_hal(struct gk20a *g)
 #endif
         g->bootstrap_owner = LSF_BOOTSTRAP_OWNER_DEFAULT;
         gm20b_init_gr(g);
-        gm20b_init_fb(gops);
         gm20b_init_mm(gops);
         gm20b_init_pmu_ops(g);
 
+        gm20b_init_uncompressed_kind_map();
+        gm20b_init_kind_attr();
+
         g->name = "gm20b";
 
         c->twod_class = FERMI_TWOD_A;