Files
linux-nvgpu/drivers/gpu/nvgpu/gm20b/cde_gm20b.c
Sami Kiminki 08f37cba39 gpu: nvgpu: Prepare for per-GPU CDE program numbers
Add gpu_ops for CDE, and add get_program_numbers function pointer for
determining horizontal and vertical CDE swizzler programs. This allows
different GPUs to have their own specific requirements for choosing
the CDE firmware programs.

Bug 1604102

Change-Id: Ib37c13abb017c8eb1c32adc8cbc6b5984488222e
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/784899
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
2015-08-19 08:03:24 -07:00

54 lines
1.4 KiB
C

/*
* GM20B CDE
*
* Copyright (c) 2015, 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,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include "gk20a/gk20a.h"
#include "cde_gm20b.h"
enum programs {
PROG_HPASS = 0,
PROG_VPASS_LARGE = 1,
PROG_VPASS_SMALL = 2,
PROG_HPASS_DEBUG = 3,
PROG_VPASS_LARGE_DEBUG = 4,
PROG_VPASS_SMALL_DEBUG = 5,
PROG_PASSTHROUGH = 6,
};
static void gm20b_cde_get_program_numbers(struct gk20a *g,
u32 block_height_log2,
int *hprog_out, int *vprog_out)
{
int hprog = PROG_HPASS;
int vprog = (block_height_log2 >= 2) ?
PROG_VPASS_LARGE : PROG_VPASS_SMALL;
if (g->cde_app.shader_parameter == 1) {
hprog = PROG_PASSTHROUGH;
vprog = PROG_PASSTHROUGH;
} else if (g->cde_app.shader_parameter == 2) {
hprog = PROG_HPASS_DEBUG;
vprog = (block_height_log2 >= 2) ?
PROG_VPASS_LARGE_DEBUG :
PROG_VPASS_SMALL_DEBUG;
}
*hprog_out = hprog;
*vprog_out = vprog;
}
void gm20b_init_cde_ops(struct gpu_ops *gops)
{
gops->cde.get_program_numbers = gm20b_cde_get_program_numbers;
}