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linux/drivers/gpu/drm/radeon/r600_blit_kms.c
Ilija Hadzic 86a4d69c0a drm/radeon/kms: common definitions for blit copy code 
R600/700 and Evergreen/NI blit code have a few redundant
definitions in respective .c file. Move common definitions
into a separate (new) .h file.

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-03 09:31:14 +00:00

796 lines
24 KiB
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/*
* Copyright 2009 Advanced Micro Devices, Inc.
* Copyright 2009 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon.h"
#include "r600d.h"
#include "r600_blit_shaders.h"
#include "radeon_blit_common.h"
/* emits 21 on rv770+, 23 on r600 */
static void
set_render_target(struct radeon_device *rdev, int format,
int w, int h, u64 gpu_addr)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u32 cb_color_info;
int pitch, slice;
h = ALIGN(h, 8);
if (h < 8)
h = 8;
cb_color_info = CB_FORMAT(format) |
CB_SOURCE_FORMAT(CB_SF_EXPORT_NORM) |
CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
pitch = (w / 8) - 1;
slice = ((w * h) / 64) - 1;
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, gpu_addr >> 8);
if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) {
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0));
radeon_ring_write(ring, 2 << 0);
}
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, (pitch << 0) | (slice << 10));
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, cb_color_info);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
}
/* emits 5dw */
static void
cp_set_surface_sync(struct radeon_device *rdev,
u32 sync_type, u32 size,
u64 mc_addr)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u32 cp_coher_size;
if (size == 0xffffffff)
cp_coher_size = 0xffffffff;
else
cp_coher_size = ((size + 255) >> 8);
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, sync_type);
radeon_ring_write(ring, cp_coher_size);
radeon_ring_write(ring, mc_addr >> 8);
radeon_ring_write(ring, 10); /* poll interval */
}
/* emits 21dw + 1 surface sync = 26dw */
static void
set_shaders(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u64 gpu_addr;
u32 sq_pgm_resources;
/* setup shader regs */
sq_pgm_resources = (1 << 0);
/* VS */
gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, gpu_addr >> 8);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, sq_pgm_resources);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
/* PS */
gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, gpu_addr >> 8);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, sq_pgm_resources | (1 << 28));
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 2);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
radeon_ring_write(ring, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, 0);
gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
}
/* emits 9 + 1 sync (5) = 14*/
static void
set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u32 sq_vtx_constant_word2;
sq_vtx_constant_word2 = SQ_VTXC_BASE_ADDR_HI(upper_32_bits(gpu_addr) & 0xff) |
SQ_VTXC_STRIDE(16);
#ifdef __BIG_ENDIAN
sq_vtx_constant_word2 |= SQ_VTXC_ENDIAN_SWAP(SQ_ENDIAN_8IN32);
#endif
radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 7));
radeon_ring_write(ring, 0x460);
radeon_ring_write(ring, gpu_addr & 0xffffffff);
radeon_ring_write(ring, 48 - 1);
radeon_ring_write(ring, sq_vtx_constant_word2);
radeon_ring_write(ring, 1 << 0);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, SQ_TEX_VTX_VALID_BUFFER << 30);
if ((rdev->family == CHIP_RV610) ||
(rdev->family == CHIP_RV620) ||
(rdev->family == CHIP_RS780) ||
(rdev->family == CHIP_RS880) ||
(rdev->family == CHIP_RV710))
cp_set_surface_sync(rdev,
PACKET3_TC_ACTION_ENA, 48, gpu_addr);
else
cp_set_surface_sync(rdev,
PACKET3_VC_ACTION_ENA, 48, gpu_addr);
}
/* emits 9 */
static void
set_tex_resource(struct radeon_device *rdev,
int format, int w, int h, int pitch,
u64 gpu_addr, u32 size)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
if (h < 1)
h = 1;
sq_tex_resource_word0 = S_038000_DIM(V_038000_SQ_TEX_DIM_2D) |
S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
sq_tex_resource_word0 |= S_038000_PITCH((pitch >> 3) - 1) |
S_038000_TEX_WIDTH(w - 1);
sq_tex_resource_word1 = S_038004_DATA_FORMAT(format);
sq_tex_resource_word1 |= S_038004_TEX_HEIGHT(h - 1);
sq_tex_resource_word4 = S_038010_REQUEST_SIZE(1) |
S_038010_DST_SEL_X(SQ_SEL_X) |
S_038010_DST_SEL_Y(SQ_SEL_Y) |
S_038010_DST_SEL_Z(SQ_SEL_Z) |
S_038010_DST_SEL_W(SQ_SEL_W);
cp_set_surface_sync(rdev,
PACKET3_TC_ACTION_ENA, size, gpu_addr);
radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 7));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, sq_tex_resource_word0);
radeon_ring_write(ring, sq_tex_resource_word1);
radeon_ring_write(ring, gpu_addr >> 8);
radeon_ring_write(ring, gpu_addr >> 8);
radeon_ring_write(ring, sq_tex_resource_word4);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, SQ_TEX_VTX_VALID_TEXTURE << 30);
}
/* emits 12 */
static void
set_scissors(struct radeon_device *rdev, int x1, int y1,
int x2, int y2)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
radeon_ring_write(ring, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, (x1 << 0) | (y1 << 16));
radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
radeon_ring_write(ring, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31));
radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
radeon_ring_write(ring, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31));
radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
}
/* emits 10 */
static void
draw_auto(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
radeon_ring_write(ring, DI_PT_RECTLIST);
radeon_ring_write(ring, PACKET3(PACKET3_INDEX_TYPE, 0));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
(2 << 2) |
#endif
DI_INDEX_SIZE_16_BIT);
radeon_ring_write(ring, PACKET3(PACKET3_NUM_INSTANCES, 0));
radeon_ring_write(ring, 1);
radeon_ring_write(ring, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
radeon_ring_write(ring, 3);
radeon_ring_write(ring, DI_SRC_SEL_AUTO_INDEX);
}
/* emits 14 */
static void
set_default_state(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
u64 gpu_addr;
int dwords;
switch (rdev->family) {
case CHIP_R600:
num_ps_gprs = 192;
num_vs_gprs = 56;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 136;
num_vs_threads = 48;
num_gs_threads = 4;
num_es_threads = 4;
num_ps_stack_entries = 128;
num_vs_stack_entries = 128;
num_gs_stack_entries = 0;
num_es_stack_entries = 0;
break;
case CHIP_RV630:
case CHIP_RV635:
num_ps_gprs = 84;
num_vs_gprs = 36;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 144;
num_vs_threads = 40;
num_gs_threads = 4;
num_es_threads = 4;
num_ps_stack_entries = 40;
num_vs_stack_entries = 40;
num_gs_stack_entries = 32;
num_es_stack_entries = 16;
break;
case CHIP_RV610:
case CHIP_RV620:
case CHIP_RS780:
case CHIP_RS880:
default:
num_ps_gprs = 84;
num_vs_gprs = 36;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 136;
num_vs_threads = 48;
num_gs_threads = 4;
num_es_threads = 4;
num_ps_stack_entries = 40;
num_vs_stack_entries = 40;
num_gs_stack_entries = 32;
num_es_stack_entries = 16;
break;
case CHIP_RV670:
num_ps_gprs = 144;
num_vs_gprs = 40;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 136;
num_vs_threads = 48;
num_gs_threads = 4;
num_es_threads = 4;
num_ps_stack_entries = 40;
num_vs_stack_entries = 40;
num_gs_stack_entries = 32;
num_es_stack_entries = 16;
break;
case CHIP_RV770:
num_ps_gprs = 192;
num_vs_gprs = 56;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 188;
num_vs_threads = 60;
num_gs_threads = 0;
num_es_threads = 0;
num_ps_stack_entries = 256;
num_vs_stack_entries = 256;
num_gs_stack_entries = 0;
num_es_stack_entries = 0;
break;
case CHIP_RV730:
case CHIP_RV740:
num_ps_gprs = 84;
num_vs_gprs = 36;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 188;
num_vs_threads = 60;
num_gs_threads = 0;
num_es_threads = 0;
num_ps_stack_entries = 128;
num_vs_stack_entries = 128;
num_gs_stack_entries = 0;
num_es_stack_entries = 0;
break;
case CHIP_RV710:
num_ps_gprs = 192;
num_vs_gprs = 56;
num_temp_gprs = 4;
num_gs_gprs = 0;
num_es_gprs = 0;
num_ps_threads = 144;
num_vs_threads = 48;
num_gs_threads = 0;
num_es_threads = 0;
num_ps_stack_entries = 128;
num_vs_stack_entries = 128;
num_gs_stack_entries = 0;
num_es_stack_entries = 0;
break;
}
if ((rdev->family == CHIP_RV610) ||
(rdev->family == CHIP_RV620) ||
(rdev->family == CHIP_RS780) ||
(rdev->family == CHIP_RS880) ||
(rdev->family == CHIP_RV710))
sq_config = 0;
else
sq_config = VC_ENABLE;
sq_config |= (DX9_CONSTS |
ALU_INST_PREFER_VECTOR |
PS_PRIO(0) |
VS_PRIO(1) |
GS_PRIO(2) |
ES_PRIO(3));
sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
NUM_VS_GPRS(num_vs_gprs) |
NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
NUM_ES_GPRS(num_es_gprs));
sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
NUM_VS_THREADS(num_vs_threads) |
NUM_GS_THREADS(num_gs_threads) |
NUM_ES_THREADS(num_es_threads));
sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
NUM_ES_STACK_ENTRIES(num_es_stack_entries));
/* emit an IB pointing at default state */
dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
(2 << 0) |
#endif
(gpu_addr & 0xFFFFFFFC));
radeon_ring_write(ring, upper_32_bits(gpu_addr) & 0xFF);
radeon_ring_write(ring, dwords);
/* SQ config */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 6));
radeon_ring_write(ring, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
radeon_ring_write(ring, sq_config);
radeon_ring_write(ring, sq_gpr_resource_mgmt_1);
radeon_ring_write(ring, sq_gpr_resource_mgmt_2);
radeon_ring_write(ring, sq_thread_resource_mgmt);
radeon_ring_write(ring, sq_stack_resource_mgmt_1);
radeon_ring_write(ring, sq_stack_resource_mgmt_2);
}
#define I2F_MAX_BITS 15
#define I2F_MAX_INPUT ((1 << I2F_MAX_BITS) - 1)
#define I2F_SHIFT (24 - I2F_MAX_BITS)
/*
* Converts unsigned integer into 32-bit IEEE floating point representation.
* Conversion is not universal and only works for the range from 0
* to 2^I2F_MAX_BITS-1. Currently we only use it with inputs between
* 0 and 16384 (inclusive), so I2F_MAX_BITS=15 is enough. If necessary,
* I2F_MAX_BITS can be increased, but that will add to the loop iterations
* and slow us down. Conversion is done by shifting the input and counting
* down until the first 1 reaches bit position 23. The resulting counter
* and the shifted input are, respectively, the exponent and the fraction.
* The sign is always zero.
*/
static uint32_t i2f(uint32_t input)
{
u32 result, i, exponent, fraction;
WARN_ON_ONCE(input > I2F_MAX_INPUT);
if ((input & I2F_MAX_INPUT) == 0)
result = 0;
else {
exponent = 126 + I2F_MAX_BITS;
fraction = (input & I2F_MAX_INPUT) << I2F_SHIFT;
for (i = 0; i < I2F_MAX_BITS; i++) {
if (fraction & 0x800000)
break;
else {
fraction = fraction << 1;
exponent = exponent - 1;
}
}
result = exponent << 23 | (fraction & 0x7fffff);
}
return result;
}
int r600_blit_init(struct radeon_device *rdev)
{
u32 obj_size;
int i, r, dwords;
void *ptr;
u32 packet2s[16];
int num_packet2s = 0;
rdev->r600_blit.primitives.set_render_target = set_render_target;
rdev->r600_blit.primitives.cp_set_surface_sync = cp_set_surface_sync;
rdev->r600_blit.primitives.set_shaders = set_shaders;
rdev->r600_blit.primitives.set_vtx_resource = set_vtx_resource;
rdev->r600_blit.primitives.set_tex_resource = set_tex_resource;
rdev->r600_blit.primitives.set_scissors = set_scissors;
rdev->r600_blit.primitives.draw_auto = draw_auto;
rdev->r600_blit.primitives.set_default_state = set_default_state;
rdev->r600_blit.ring_size_common = 40; /* shaders + def state */
rdev->r600_blit.ring_size_common += 16; /* fence emit for VB IB */
rdev->r600_blit.ring_size_common += 5; /* done copy */
rdev->r600_blit.ring_size_common += 16; /* fence emit for done copy */
rdev->r600_blit.ring_size_per_loop = 76;
/* set_render_target emits 2 extra dwords on rv6xx */
if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770)
rdev->r600_blit.ring_size_per_loop += 2;
rdev->r600_blit.max_dim = 8192;
/* pin copy shader into vram if already initialized */
if (rdev->r600_blit.shader_obj)
goto done;
mutex_init(&rdev->r600_blit.mutex);
rdev->r600_blit.state_offset = 0;
if (rdev->family >= CHIP_RV770)
rdev->r600_blit.state_len = r7xx_default_size;
else
rdev->r600_blit.state_len = r6xx_default_size;
dwords = rdev->r600_blit.state_len;
while (dwords & 0xf) {
packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
dwords++;
}
obj_size = dwords * 4;
obj_size = ALIGN(obj_size, 256);
rdev->r600_blit.vs_offset = obj_size;
obj_size += r6xx_vs_size * 4;
obj_size = ALIGN(obj_size, 256);
rdev->r600_blit.ps_offset = obj_size;
obj_size += r6xx_ps_size * 4;
obj_size = ALIGN(obj_size, 256);
r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
&rdev->r600_blit.shader_obj);
if (r) {
DRM_ERROR("r600 failed to allocate shader\n");
return r;
}
DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n",
obj_size,
rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (unlikely(r != 0))
return r;
r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr);
if (r) {
DRM_ERROR("failed to map blit object %d\n", r);
return r;
}
if (rdev->family >= CHIP_RV770)
memcpy_toio(ptr + rdev->r600_blit.state_offset,
r7xx_default_state, rdev->r600_blit.state_len * 4);
else
memcpy_toio(ptr + rdev->r600_blit.state_offset,
r6xx_default_state, rdev->r600_blit.state_len * 4);
if (num_packet2s)
memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
packet2s, num_packet2s * 4);
for (i = 0; i < r6xx_vs_size; i++)
*(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(r6xx_vs[i]);
for (i = 0; i < r6xx_ps_size; i++)
*(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(r6xx_ps[i]);
radeon_bo_kunmap(rdev->r600_blit.shader_obj);
radeon_bo_unreserve(rdev->r600_blit.shader_obj);
done:
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (unlikely(r != 0))
return r;
r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
&rdev->r600_blit.shader_gpu_addr);
radeon_bo_unreserve(rdev->r600_blit.shader_obj);
if (r) {
dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
return r;
}
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
return 0;
}
void r600_blit_fini(struct radeon_device *rdev)
{
int r;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
if (rdev->r600_blit.shader_obj == NULL)
return;
/* If we can't reserve the bo, unref should be enough to destroy
* it when it becomes idle.
*/
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (!r) {
radeon_bo_unpin(rdev->r600_blit.shader_obj);
radeon_bo_unreserve(rdev->r600_blit.shader_obj);
}
radeon_bo_unref(&rdev->r600_blit.shader_obj);
}
static int r600_vb_ib_get(struct radeon_device *rdev, unsigned size)
{
int r;
r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX,
&rdev->r600_blit.vb_ib, size);
if (r) {
DRM_ERROR("failed to get IB for vertex buffer\n");
return r;
}
rdev->r600_blit.vb_total = size;
rdev->r600_blit.vb_used = 0;
return 0;
}
static void r600_vb_ib_put(struct radeon_device *rdev)
{
radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
}
static unsigned r600_blit_create_rect(unsigned num_gpu_pages,
int *width, int *height, int max_dim)
{
unsigned max_pages;
unsigned pages = num_gpu_pages;
int w, h;
if (num_gpu_pages == 0) {
/* not supposed to be called with no pages, but just in case */
h = 0;
w = 0;
pages = 0;
WARN_ON(1);
} else {
int rect_order = 2;
h = RECT_UNIT_H;
while (num_gpu_pages / rect_order) {
h *= 2;
rect_order *= 4;
if (h >= max_dim) {
h = max_dim;
break;
}
}
max_pages = (max_dim * h) / (RECT_UNIT_W * RECT_UNIT_H);
if (pages > max_pages)
pages = max_pages;
w = (pages * RECT_UNIT_W * RECT_UNIT_H) / h;
w = (w / RECT_UNIT_W) * RECT_UNIT_W;
pages = (w * h) / (RECT_UNIT_W * RECT_UNIT_H);
BUG_ON(pages == 0);
}
DRM_DEBUG("blit_rectangle: h=%d, w=%d, pages=%d\n", h, w, pages);
/* return width and height only of the caller wants it */
if (height)
*height = h;
if (width)
*width = w;
return pages;
}
int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
int r;
int ring_size;
int num_loops = 0;
int dwords_per_loop = rdev->r600_blit.ring_size_per_loop;
/* num loops */
while (num_gpu_pages) {
num_gpu_pages -=
r600_blit_create_rect(num_gpu_pages, NULL, NULL,
rdev->r600_blit.max_dim);
num_loops++;
}
/* 48 bytes for vertex per loop */
r = r600_vb_ib_get(rdev, (num_loops*48)+256);
if (r)
return r;
/* calculate number of loops correctly */
ring_size = num_loops * dwords_per_loop;
ring_size += rdev->r600_blit.ring_size_common;
r = radeon_ring_lock(rdev, ring, ring_size);
if (r)
return r;
rdev->r600_blit.primitives.set_default_state(rdev);
rdev->r600_blit.primitives.set_shaders(rdev);
return 0;
}
void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
{
int r;
if (rdev->r600_blit.vb_ib)
r600_vb_ib_put(rdev);
if (fence)
r = radeon_fence_emit(rdev, fence);
radeon_ring_unlock_commit(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
}
void r600_kms_blit_copy(struct radeon_device *rdev,
u64 src_gpu_addr, u64 dst_gpu_addr,
unsigned num_gpu_pages)
{
u64 vb_gpu_addr;
u32 *vb;
DRM_DEBUG("emitting copy %16llx %16llx %d %d\n",
src_gpu_addr, dst_gpu_addr,
num_gpu_pages, rdev->r600_blit.vb_used);
vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used);
while (num_gpu_pages) {
int w, h;
unsigned size_in_bytes;
unsigned pages_per_loop =
r600_blit_create_rect(num_gpu_pages, &w, &h,
rdev->r600_blit.max_dim);
size_in_bytes = pages_per_loop * RADEON_GPU_PAGE_SIZE;
DRM_DEBUG("rectangle w=%d h=%d\n", w, h);
if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
WARN_ON(1);
}
vb[0] = 0;
vb[1] = 0;
vb[2] = 0;
vb[3] = 0;
vb[4] = 0;
vb[5] = i2f(h);
vb[6] = 0;
vb[7] = i2f(h);
vb[8] = i2f(w);
vb[9] = i2f(h);
vb[10] = i2f(w);
vb[11] = i2f(h);
rdev->r600_blit.primitives.set_tex_resource(rdev, FMT_8_8_8_8,
w, h, w, src_gpu_addr, size_in_bytes);
rdev->r600_blit.primitives.set_render_target(rdev, COLOR_8_8_8_8,
w, h, dst_gpu_addr);
rdev->r600_blit.primitives.set_scissors(rdev, 0, 0, w, h);
vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
rdev->r600_blit.primitives.set_vtx_resource(rdev, vb_gpu_addr);
rdev->r600_blit.primitives.draw_auto(rdev);
rdev->r600_blit.primitives.cp_set_surface_sync(rdev,
PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
size_in_bytes, dst_gpu_addr);
vb += 12;
rdev->r600_blit.vb_used += 4*12;
src_gpu_addr += size_in_bytes;
dst_gpu_addr += size_in_bytes;
num_gpu_pages -= pages_per_loop;
}
}
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