/*
* Copyright (C) 2008 VMware, Inc.
* Copyright (C) 2014 Broadcom
* Copyright (C) 2018 Alyssa Rosenzweig
* Copyright (C) 2019 Collabora, Ltd.
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 "util/u_debug.h"
#include "util/u_memory.h"
#include "util/format/u_format.h"
#include "util/format/u_format_s3tc.h"
#include "util/u_video.h"
#include "util/u_screen.h"
#include "util/os_time.h"
#include "util/u_process.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "draw/draw_context.h"
#include <fcntl.h>
#include "drm-uapi/drm_fourcc.h"
#include "drm-uapi/panfrost_drm.h"
#include "pan_bo.h"
#include "pan_shader.h"
#include "pan_screen.h"
#include "pan_resource.h"
#include "pan_public.h"
#include "pan_util.h"
#include "decode.h"
#include "pan_context.h"
#include "panfrost-quirks.h"
static const struct debug_named_value panfrost_debug_options[] = {
{"perf", PAN_DBG_PERF, "Enable performance warnings"},
{"trace", PAN_DBG_TRACE, "Trace the command stream"},
{"deqp", PAN_DBG_DEQP, "Hacks for dEQP"},
{"dirty", PAN_DBG_DIRTY, "Always re-emit all state"},
{"sync", PAN_DBG_SYNC, "Wait for each job's completion and abort on GPU faults"},
{"precompile", PAN_DBG_PRECOMPILE, "Precompile shaders for shader-db"},
{"nofp16", PAN_DBG_NOFP16, "Disable 16-bit support"},
{"gl3", PAN_DBG_GL3, "Enable experimental GL 3.x implementation, up to 3.3"},
{"noafbc", PAN_DBG_NO_AFBC, "Disable AFBC support"},
{"nocrc", PAN_DBG_NO_CRC, "Disable transaction elimination"},
{"msaa16", PAN_DBG_MSAA16, "Enable MSAA 8x and 16x support"},
{"indirect", PAN_DBG_INDIRECT, "Use experimental compute kernel for indirect draws"},
{"linear", PAN_DBG_LINEAR, "Force linear textures"},
{"nocache", PAN_DBG_NO_CACHE, "Disable BO cache"},
DEBUG_NAMED_VALUE_END
};
static const char *
panfrost_get_name(struct pipe_screen *screen)
{
return panfrost_model_name(pan_device(screen)->gpu_id);
}
static const char *
panfrost_get_vendor(struct pipe_screen *screen)
{
return "Panfrost";
}
static const char *
panfrost_get_device_vendor(struct pipe_screen *screen)
{
return "Arm";
}
static int
panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
{
struct panfrost_device *dev = pan_device(screen);
/* Our GL 3.x implementation is WIP */
bool is_gl3 = dev->debug & (PAN_DBG_GL3 | PAN_DBG_DEQP);
/* Don't expose MRT related CAPs on GPUs that don't implement them */
bool has_mrt = !(dev->quirks & MIDGARD_SFBD);
/* Only kernel drivers >= 1.1 can allocate HEAP BOs */
bool has_heap = dev->kernel_version->version_major > 1 ||
dev->kernel_version->version_minor >= 1;
/* Bifrost is WIP */
switch (param) {
case PIPE_CAP_NPOT_TEXTURES:
case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
case PIPE_CAP_VERTEX_SHADER_SATURATE:
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
case PIPE_CAP_POINT_SPRITE:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
case PIPE_CAP_FRONTEND_NOOP:
case PIPE_CAP_SAMPLE_SHADING:
case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
return 1;
case PIPE_CAP_MAX_RENDER_TARGETS:
case PIPE_CAP_FBFETCH:
case PIPE_CAP_FBFETCH_COHERENT:
return has_mrt ? 8 : 1;
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
return 1;
case PIPE_CAP_OCCLUSION_QUERY:
case PIPE_CAP_PRIMITIVE_RESTART:
case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
return true;
case PIPE_CAP_ANISOTROPIC_FILTER:
return !!(dev->quirks & HAS_ANISOTROPIC);
/* Compile side is done for Bifrost, Midgard TODO. Needs some kernel
* work to turn on, since CYCLE_COUNT_START needs to be issued. In
* kbase, userspace requests this via BASE_JD_REQ_PERMON. There is not
* yet way to request this with mainline TODO */
case PIPE_CAP_TGSI_CLOCK:
return 0;
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_TEXTURE_MULTISAMPLE:
case PIPE_CAP_SURFACE_SAMPLE_COUNT:
return true;
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_TEXTURE_SWIZZLE:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_GENERATE_MIPMAP:
case PIPE_CAP_ACCELERATED:
case PIPE_CAP_UMA:
case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
case PIPE_CAP_CS_DERIVED_SYSTEM_VALUES_SUPPORTED:
case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
case PIPE_CAP_TEXTURE_BUFFER_SAMPLER:
case PIPE_CAP_PACKED_UNIFORMS:
case PIPE_CAP_IMAGE_LOAD_FORMATTED:
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_COMPUTE:
return 1;
/* We need this for OES_copy_image, but currently there are some awful
* interactions with AFBC that need to be worked out. */
case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
return 0;
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return PIPE_MAX_SO_BUFFERS;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return PIPE_MAX_SO_OUTPUTS;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
return 1;
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
return 256;
case PIPE_CAP_GLSL_FEATURE_LEVEL:
case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
return is_gl3 ? 330 : 140;
case PIPE_CAP_ESSL_FEATURE_LEVEL:
return pan_is_bifrost(dev) ? 320 : 310;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 16;
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
return 65536;
/* Must be at least 64 for correct behaviour */
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
return 64;
case PIPE_CAP_QUERY_TIMESTAMP:
return is_gl3;
/* TODO: Where does this req come from in practice? */
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
return 1 << (MAX_MIP_LEVELS - 1);
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return MAX_MIP_LEVELS;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
/* Hardware is upper left. Pixel center at (0.5, 0.5) */
return 0;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
case PIPE_CAP_TGSI_TEXCOORD:
return 1;
/* We would prefer varyings on Midgard, but proper sysvals on Bifrost */
case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
case PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL:
return pan_is_bifrost(dev);
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
return true;
case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
return 0xffff;
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
return 0;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_NATIVE;
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
return 4;
case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
return -8;
case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
return 7;
case PIPE_CAP_VIDEO_MEMORY: {
uint64_t system_memory;
if (!os_get_total_physical_memory(&system_memory))
return 0;
return (int)(system_memory >> 20);
}
case PIPE_CAP_SHADER_STENCIL_EXPORT:
case PIPE_CAP_CONDITIONAL_RENDER:
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
return true;
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
return 4;
case PIPE_CAP_MAX_VARYINGS:
/* Return the GLSL maximum. The internal maximum
* PAN_MAX_VARYINGS accommodates internal varyings. */
return MAX_VARYING;
/* Removed in v6 (Bifrost) */
case PIPE_CAP_ALPHA_TEST:
return dev->arch <= 5;
case PIPE_CAP_FLATSHADE:
case PIPE_CAP_TWO_SIDED_COLOR:
case PIPE_CAP_CLIP_PLANES:
return 0;
case PIPE_CAP_PACKED_STREAM_OUTPUT:
return 0;
case PIPE_CAP_VIEWPORT_TRANSFORM_LOWERED:
case PIPE_CAP_PSIZ_CLAMPED:
return 1;
case PIPE_CAP_NIR_IMAGES_AS_DEREF:
return 0;
case PIPE_CAP_DRAW_INDIRECT:
return has_heap;
case PIPE_CAP_START_INSTANCE:
case PIPE_CAP_DRAW_PARAMETERS:
return pan_is_bifrost(dev);
case PIPE_CAP_SUPPORTED_PRIM_MODES:
case PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART: {
/* Mali supports GLES and QUADS. Midgard supports more */
uint32_t modes = BITFIELD_MASK(PIPE_PRIM_QUADS + 1);
if (dev->arch <= 5) {
modes |= BITFIELD_BIT(PIPE_PRIM_QUAD_STRIP);
modes |= BITFIELD_BIT(PIPE_PRIM_POLYGON);
}
return modes;
}
default:
return u_pipe_screen_get_param_defaults(screen, param);
}
}
static int
panfrost_get_shader_param(struct pipe_screen *screen,
enum pipe_shader_type shader,
enum pipe_shader_cap param)
{
struct panfrost_device *dev = pan_device(screen);
bool is_nofp16 = dev->debug & PAN_DBG_NOFP16;
bool is_deqp = dev->debug & PAN_DBG_DEQP;
switch (shader) {
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_COMPUTE:
break;
default:
return 0;
}
switch (param) {
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return 16384; /* arbitrary */
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 1024; /* arbitrary */
case PIPE_SHADER_CAP_MAX_INPUTS:
/* Used as ABI on Midgard */
return 16;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return shader == PIPE_SHADER_FRAGMENT ? 8 : PIPE_MAX_ATTRIBS;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 256; /* arbitrary */
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 16 * 1024 * sizeof(float);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
STATIC_ASSERT(PAN_MAX_CONST_BUFFERS < 0x100);
return PAN_MAX_CONST_BUFFERS;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
return 1;
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
return 0;
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
return pan_is_bifrost(dev);
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_SUBROUTINES:
return 0;
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return 1;
/* The Bifrost compiler supports full 16-bit. Midgard could but int16
* support is untested, so restrict INT16 to Bifrost. Midgard
* architecturally cannot support fp16 derivatives. */
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
return !is_nofp16;
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
return pan_is_bifrost(dev) && !is_nofp16;
case PIPE_SHADER_CAP_INT16:
/* XXX: Advertise this CAP when a proper fix to lower_precision
* lands. GLSL IR validation failure in glmark2 -bterrain */
return pan_is_bifrost(dev) && !is_nofp16 && is_deqp;
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
STATIC_ASSERT(PIPE_MAX_SAMPLERS < 0x10000);
return PIPE_MAX_SAMPLERS;
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
STATIC_ASSERT(PIPE_MAX_SHADER_SAMPLER_VIEWS < 0x10000);
return PIPE_MAX_SHADER_SAMPLER_VIEWS;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_NIR;
case PIPE_SHADER_CAP_SUPPORTED_IRS:
return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_NIR_SERIALIZED);
case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
return 16;
case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
return PIPE_MAX_SHADER_IMAGES;
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
return 0;
default:
return 0;
}
return 0;
}
static float
panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
FALLTHROUGH;
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAPF_MAX_POINT_WIDTH:
FALLTHROUGH;
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return 1024.0;
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
return 16.0;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
return 16.0; /* arbitrary */
case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
return 0.0f;
default:
debug_printf("Unexpected PIPE_CAPF %d query\n", param);
return 0.0;
}
}
/**
* Query format support for creating a texture, drawing surface, etc.
* \param format the format to test
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
*/
static bool
panfrost_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned storage_sample_count,
unsigned bind)
{
struct panfrost_device *dev = pan_device(screen);
const struct util_format_description *format_desc;
assert(target == PIPE_BUFFER ||
target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_RECT ||
target == PIPE_TEXTURE_3D ||
target == PIPE_TEXTURE_CUBE ||
target == PIPE_TEXTURE_CUBE_ARRAY);
format_desc = util_format_description(format);
if (!format_desc)
return false;
/* MSAA 2x gets rounded up to 4x. MSAA 8x/16x only supported on v5+.
* TODO: debug MSAA 8x/16x */
switch (sample_count) {
case 0:
case 1:
case 4:
break;
case 8:
case 16:
if (dev->debug & PAN_DBG_MSAA16)
break;
else
return false;
default:
return false;
}
if (MAX2(sample_count, 1) != MAX2(storage_sample_count, 1))
return false;
/* Z16 causes dEQP failures on t720 */
if (format == PIPE_FORMAT_Z16_UNORM && dev->quirks & MIDGARD_SFBD)
return false;
/* Check we support the format with the given bind */
unsigned relevant_bind = bind &
( PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET
| PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_SAMPLER_VIEW);
struct panfrost_format fmt = dev->formats[format];
/* Also check that compressed texture formats are supported on this
* particular chip. They may not be depending on system integration
* differences. RGTC can be emulated so is always supported. */
bool is_rgtc = format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC;
bool supported = panfrost_supports_compressed_format(dev,
MALI_EXTRACT_INDEX(fmt.hw));
if (!is_rgtc && !supported)
return false;
return MALI_EXTRACT_INDEX(fmt.hw) && ((relevant_bind & ~fmt.bind) == 0);
}
/* We always support linear and tiled operations, both external and internal.
* We support AFBC for a subset of formats, and colourspace transform for a
* subset of those. */
static void
panfrost_walk_dmabuf_modifiers(struct pipe_screen *screen,
enum pipe_format format, int max, uint64_t *modifiers, unsigned
int *external_only, int *out_count, uint64_t test_modifier)
{
/* Query AFBC status */
struct panfrost_device *dev = pan_device(screen);
bool afbc = dev->has_afbc && panfrost_format_supports_afbc(dev, format);
bool ytr = panfrost_afbc_can_ytr(format);
unsigned count = 0;
for (unsigned i = 0; i < PAN_MODIFIER_COUNT; ++i) {
if (drm_is_afbc(pan_best_modifiers[i]) && !afbc)
continue;
if ((pan_best_modifiers[i] & AFBC_FORMAT_MOD_YTR) && !ytr)
continue;
if (test_modifier != DRM_FORMAT_MOD_INVALID &&
test_modifier != pan_best_modifiers[i])
continue;
count++;
if (max > (int) count) {
modifiers[count] = pan_best_modifiers[i];
if (external_only)
external_only[count] = false;
}
}
*out_count = count;
}
static void
panfrost_query_dmabuf_modifiers(struct pipe_screen *screen,
enum pipe_format format, int max, uint64_t *modifiers, unsigned
int *external_only, int *out_count)
{
panfrost_walk_dmabuf_modifiers(screen, format, max, modifiers,
external_only, out_count, DRM_FORMAT_MOD_INVALID);
}
static bool
panfrost_is_dmabuf_modifier_supported(struct pipe_screen *screen,
uint64_t modifier, enum pipe_format format,
bool *external_only)
{
uint64_t unused;
unsigned int uint_extern_only = 0;
int count;
panfrost_walk_dmabuf_modifiers(screen, format, 1, &unused,
&uint_extern_only, &count, modifier);
if (external_only)
*external_only = uint_extern_only ? true : false;
return count > 0;
}
static int
panfrost_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
enum pipe_compute_cap param, void *ret)
{
struct panfrost_device *dev = pan_device(pscreen);
const char * const ir = "panfrost";
#define RET(x) do { \
if (ret) \
memcpy(ret, x, sizeof(x)); \
return sizeof(x); \
} while (0)
switch (param) {
case PIPE_COMPUTE_CAP_ADDRESS_BITS:
RET((uint32_t []){ 64 });
case PIPE_COMPUTE_CAP_IR_TARGET:
if (ret)
sprintf(ret, "%s", ir);
return strlen(ir) * sizeof(char);
case PIPE_COMPUTE_CAP_GRID_DIMENSION:
RET((uint64_t []) { 3 });
case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
RET(((uint64_t []) { 65535, 65535, 65535 }));
case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
/* Unpredictable behaviour at larger sizes. Mali-G52 advertises
* 384x384x384. The smaller size is advertised by Mali-T628,
* use min until we have a need to key by arch */
RET(((uint64_t []) { 256, 256, 256 }));
case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
RET((uint64_t []) { 256 });
case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
RET((uint64_t []) { 1024*1024*512 /* Maybe get memory */ });
case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
RET((uint64_t []) { 32768 });
case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
RET((uint64_t []) { 4096 });
case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
RET((uint64_t []) { 1024*1024*512 /* Maybe get memory */ });
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
RET((uint32_t []) { 800 /* MHz -- TODO */ });
case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
RET((uint32_t []) { 9999 }); // TODO
case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
RET((uint32_t []) { 1 });
case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
RET((uint32_t []) { dev->arch >= 7 ? 8 : 4 });
case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
RET((uint64_t []) { 1024 }); // TODO
}
return 0;
}
static void
panfrost_destroy_screen(struct pipe_screen *pscreen)
{
struct panfrost_device *dev = pan_device(pscreen);
struct panfrost_screen *screen = pan_screen(pscreen);
panfrost_resource_screen_destroy(pscreen);
panfrost_pool_cleanup(&screen->indirect_draw.bin_pool);
panfrost_pool_cleanup(&screen->blitter.bin_pool);
panfrost_pool_cleanup(&screen->blitter.desc_pool);
pan_blend_shaders_cleanup(dev);
if (screen->vtbl.screen_destroy)
screen->vtbl.screen_destroy(pscreen);
if (dev->ro)
dev->ro->destroy(dev->ro);
panfrost_close_device(dev);
ralloc_free(pscreen);
}
static uint64_t
panfrost_get_timestamp(struct pipe_screen *_screen)
{
return os_time_get_nano();
}
static void
panfrost_fence_reference(struct pipe_screen *pscreen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
struct panfrost_device *dev = pan_device(pscreen);
struct pipe_fence_handle *old = *ptr;
if (pipe_reference(&old->reference, &fence->reference)) {
drmSyncobjDestroy(dev->fd, old->syncobj);
free(old);
}
*ptr = fence;
}
static bool
panfrost_fence_finish(struct pipe_screen *pscreen,
struct pipe_context *ctx,
struct pipe_fence_handle *fence,
uint64_t timeout)
{
struct panfrost_device *dev = pan_device(pscreen);
int ret;
if (fence->signaled)
return true;
uint64_t abs_timeout = os_time_get_absolute_timeout(timeout);
if (abs_timeout == OS_TIMEOUT_INFINITE)
abs_timeout = INT64_MAX;
ret = drmSyncobjWait(dev->fd, &fence->syncobj,
1,
abs_timeout, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL,
NULL);
fence->signaled = (ret >= 0);
return fence->signaled;
}
struct pipe_fence_handle *
panfrost_fence_create(struct panfrost_context *ctx)
{
struct pipe_fence_handle *f = calloc(1, sizeof(*f));
if (!f)
return NULL;
struct panfrost_device *dev = pan_device(ctx->base.screen);
int fd = -1, ret;
/* Snapshot the last rendering out fence. We'd rather have another
* syncobj instead of a sync file, but this is all we get.
* (HandleToFD/FDToHandle just gives you another syncobj ID for the
* same syncobj).
*/
ret = drmSyncobjExportSyncFile(dev->fd, ctx->syncobj, &fd);
if (ret || fd == -1) {
fprintf(stderr, "export failed\n");
goto err_free_fence;
}
ret = drmSyncobjCreate(dev->fd, 0, &f->syncobj);
if (ret) {
fprintf(stderr, "create syncobj failed\n");
goto err_close_fd;
}
ret = drmSyncobjImportSyncFile(dev->fd, f->syncobj, fd);
if (ret) {
fprintf(stderr, "create syncobj failed\n");
goto err_destroy_syncobj;
}
assert(f->syncobj != ctx->syncobj);
close(fd);
pipe_reference_init(&f->reference, 1);
return f;
err_destroy_syncobj:
drmSyncobjDestroy(dev->fd, f->syncobj);
err_close_fd:
close(fd);
err_free_fence:
free(f);
return NULL;
}
static const void *
panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
enum pipe_shader_ir ir,
enum pipe_shader_type shader)
{
return pan_screen(pscreen)->vtbl.get_compiler_options();
}
struct pipe_screen *
panfrost_create_screen(int fd, struct renderonly *ro)
{
/* Create the screen */
struct panfrost_screen *screen = rzalloc(NULL, struct panfrost_screen);
if (!screen)
return NULL;
struct panfrost_device *dev = pan_device(&screen->base);
/* Debug must be set first for pandecode to work correctly */
dev->debug = debug_get_flags_option("PAN_MESA_DEBUG", panfrost_debug_options, 0);
panfrost_open_device(screen, fd, dev);
if (dev->debug & PAN_DBG_NO_AFBC)
dev->has_afbc = false;
/* Check if we're loading against a supported GPU model. */
switch (dev->gpu_id) {
case 0x720: /* T720 */
case 0x750: /* T760 */
case 0x820: /* T820 */
case 0x860: /* T860 */
case 0x6221: /* G72 */
case 0x7093: /* G31 */
case 0x7212: /* G52 */
case 0x7402: /* G52r1 */
break;
default:
/* Fail to load against untested models */
debug_printf("panfrost: Unsupported model %X", dev->gpu_id);
panfrost_destroy_screen(&(screen->base));
return NULL;
}
dev->ro = ro;
screen->base.destroy = panfrost_destroy_screen;
screen->base.get_name = panfrost_get_name;
screen->base.get_vendor = panfrost_get_vendor;
screen->base.get_device_vendor = panfrost_get_device_vendor;
screen->base.get_param = panfrost_get_param;
screen->base.get_shader_param = panfrost_get_shader_param;
screen->base.get_compute_param = panfrost_get_compute_param;
screen->base.get_paramf = panfrost_get_paramf;
screen->base.get_timestamp = panfrost_get_timestamp;
screen->base.is_format_supported = panfrost_is_format_supported;
screen->base.query_dmabuf_modifiers = panfrost_query_dmabuf_modifiers;
screen->base.is_dmabuf_modifier_supported =
panfrost_is_dmabuf_modifier_supported;
screen->base.context_create = panfrost_create_context;
screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
screen->base.fence_reference = panfrost_fence_reference;
screen->base.fence_finish = panfrost_fence_finish;
screen->base.set_damage_region = panfrost_resource_set_damage_region;
panfrost_resource_screen_init(&screen->base);
pan_blend_shaders_init(dev);
panfrost_pool_init(&screen->indirect_draw.bin_pool, NULL, dev,
PAN_BO_EXECUTE, 65536, "Indirect draw shaders",
false, true);
panfrost_pool_init(&screen->blitter.bin_pool, NULL, dev, PAN_BO_EXECUTE,
4096, "Blitter shaders", false, true);
panfrost_pool_init(&screen->blitter.desc_pool, NULL, dev, 0, 65536,
"Blitter RSDs", false, true);
if (dev->arch == 4)
panfrost_cmdstream_screen_init_v4(screen);
else if (dev->arch == 5)
panfrost_cmdstream_screen_init_v5(screen);
else if (dev->arch == 6)
panfrost_cmdstream_screen_init_v6(screen);
else if (dev->arch == 7)
panfrost_cmdstream_screen_init_v7(screen);
else
unreachable("Unhandled architecture major");
return &screen->base;
}