From 1246629c19485d9a9e6fc2c2e7d1f86f65b9516d Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Mon, 16 Nov 2015 10:26:23 -0800 Subject: gpu: nvgpu: abstract set mmu debug mode Add new operaton g->ops.mm.set_debug_mode and let other places that set debug mode call this callback. It's preparing for adding vgpu set mmu debug mode hook. JIRA VFND-1005 Bug 1594604 Change-Id: I1d227a0c0f96adb0035ae16ae1f4fbfa739bf0a7 Signed-off-by: Richard Zhao Reviewed-on: http://git-master/r/833497 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Vladislav Buzov --- drivers/gpu/nvgpu/gk20a/mm_gk20a.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/gpu/nvgpu/gk20a/mm_gk20a.c') diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c index 86b9f045..4c31d5e4 100644 --- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c @@ -3723,6 +3723,24 @@ bool gk20a_mm_mmu_debug_mode_enabled(struct gk20a *g) fb_mmu_debug_ctrl_debug_enabled_v(); } +static void gk20a_mm_mmu_set_debug_mode(struct gk20a *g, bool enable) +{ + u32 reg_val, debug_ctrl; + + reg_val = gk20a_readl(g, fb_mmu_debug_ctrl_r()); + if (enable) { + debug_ctrl = fb_mmu_debug_ctrl_debug_enabled_f(); + g->mmu_debug_ctrl = true; + } else { + debug_ctrl = fb_mmu_debug_ctrl_debug_disabled_f(); + g->mmu_debug_ctrl = false; + } + + reg_val = set_field(reg_val, + fb_mmu_debug_ctrl_debug_m(), debug_ctrl); + gk20a_writel(g, fb_mmu_debug_ctrl_r(), reg_val); +} + u32 gk20a_mm_get_physical_addr_bits(struct gk20a *g) { return 34; @@ -3769,6 +3787,7 @@ clean_up: void gk20a_init_mm(struct gpu_ops *gops) { gops->mm.is_debug_mode_enabled = gk20a_mm_mmu_debug_mode_enabled; + gops->mm.set_debug_mode = gk20a_mm_mmu_set_debug_mode; gops->mm.gmmu_map = gk20a_locked_gmmu_map; gops->mm.gmmu_unmap = gk20a_locked_gmmu_unmap; gops->mm.vm_remove = gk20a_vm_remove_support; -- cgit v1.2.2