From 3d313d06570dcb28bba73247a2c0fc52bec56af0 Mon Sep 17 00:00:00 2001 From: Mayank Kaushik Date: Wed, 17 Sep 2014 18:11:45 -0700 Subject: gpu: nvgpu: gm20b: halify tpc lookup Since the number of TPCs is different between GM20B and GK20a, the function to look up the number of TPCs needs to be halified. Change-Id: I19dab9a7105814f86c08c92283a0bb70abb6aa00 Signed-off-by: Mayank Kaushik Reviewed-on: http://git-master/r/500064 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom --- drivers/gpu/nvgpu/gm20b/gr_gm20b.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/gpu/nvgpu/gm20b/gr_gm20b.c') diff --git a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c index 8a3de4e8..835ff6bf 100644 --- a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c +++ b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c @@ -614,6 +614,37 @@ static int gr_gm20b_load_ctxsw_ucode_segments(struct gk20a *g, u64 addr_base, return 0; } +static bool gr_gm20b_is_tpc_addr_shared(u32 addr) +{ + return (addr >= proj_tpc_in_gpc_shared_base_v()) && + (addr < (proj_tpc_in_gpc_shared_base_v() + + proj_tpc_in_gpc_stride_v())); +} + +static bool gr_gm20b_is_tpc_addr(u32 addr) +{ + return ((addr >= proj_tpc_in_gpc_base_v()) && + (addr < proj_tpc_in_gpc_base_v() + + (proj_scal_litter_num_tpc_per_gpc_v() * + proj_tpc_in_gpc_stride_v()))) + || gr_gm20b_is_tpc_addr_shared(addr); +} + +static u32 gr_gm20b_get_tpc_num(u32 addr) +{ + u32 i, start; + u32 num_tpcs = proj_scal_litter_num_tpc_per_gpc_v(); + + for (i = 0; i < num_tpcs; i++) { + start = proj_tpc_in_gpc_base_v() + + (i * proj_tpc_in_gpc_stride_v()); + if ((addr >= start) && + (addr < (start + proj_tpc_in_gpc_stride_v()))) + return i; + } + return 0; +} + #ifdef CONFIG_TEGRA_ACR static void gr_gm20b_load_gpccs_with_bootloader(struct gk20a *g) { @@ -748,4 +779,6 @@ void gm20b_init_gr(struct gpu_ops *gops) gops->gr.free_obj_ctx = gk20a_free_obj_ctx; gops->gr.bind_ctxsw_zcull = gr_gk20a_bind_ctxsw_zcull; gops->gr.get_zcull_info = gr_gk20a_get_zcull_info; + gops->gr.is_tpc_addr = gr_gm20b_is_tpc_addr; + gops->gr.get_tpc_num = gr_gm20b_get_tpc_num; } -- cgit v1.2.2