#include "radeon_drm_cs.h"
#include "radeon_drm_public.h"
-#include "pipebuffer/pb_bufmgr.h"
#include "util/u_memory.h"
+#include "util/u_hash_table.h"
#include <xf86drm.h>
#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <radeon_surface.h>
-#ifndef RADEON_INFO_TILING_CONFIG
-#define RADEON_INFO_TILING_CONFIG 6
-#endif
-
-#ifndef RADEON_INFO_WANT_HYPERZ
-#define RADEON_INFO_WANT_HYPERZ 7
-#endif
-
-#ifndef RADEON_INFO_WANT_CMASK
-#define RADEON_INFO_WANT_CMASK 8
-#endif
-
-#ifndef RADEON_INFO_CLOCK_CRYSTAL_FREQ
-#define RADEON_INFO_CLOCK_CRYSTAL_FREQ 9
-#endif
-
-#ifndef RADEON_INFO_NUM_BACKENDS
-#define RADEON_INFO_NUM_BACKENDS 0xa
-#endif
-
-#ifndef RADEON_INFO_NUM_TILE_PIPES
-#define RADEON_INFO_NUM_TILE_PIPES 0xb
-#endif
-
-#ifndef RADEON_INFO_BACKEND_MAP
-#define RADEON_INFO_BACKEND_MAP 0xd
-#endif
+static struct util_hash_table *fd_tab = NULL;
+static mtx_t fd_tab_mutex = _MTX_INITIALIZER_NP;
/* Enable/disable feature access for one command stream.
- * If enable == TRUE, return TRUE on success.
- * Otherwise, return FALSE.
+ * If enable == true, return true on success.
+ * Otherwise, return false.
*
* We basically do the same thing kernel does, because we have to deal
* with multiple contexts (here command streams) backed by one winsys. */
-static boolean radeon_set_fd_access(struct radeon_drm_cs *applier,
- struct radeon_drm_cs **owner,
- pipe_mutex *mutex,
- unsigned request, boolean enable)
+static bool radeon_set_fd_access(struct radeon_drm_cs *applier,
+ struct radeon_drm_cs **owner,
+ mtx_t *mutex,
+ unsigned request, const char *request_name,
+ bool enable)
{
- struct drm_radeon_info info = {0};
+ struct drm_radeon_info info;
unsigned value = enable ? 1 : 0;
- pipe_mutex_lock(*mutex);
+ memset(&info, 0, sizeof(info));
+
+ mtx_lock(&*mutex);
/* Early exit if we are sure the request will fail. */
if (enable) {
if (*owner) {
- pipe_mutex_unlock(*mutex);
- return FALSE;
+ mtx_unlock(&*mutex);
+ return false;
}
} else {
if (*owner != applier) {
- pipe_mutex_unlock(*mutex);
- return FALSE;
+ mtx_unlock(&*mutex);
+ return false;
}
}
info.request = request;
if (drmCommandWriteRead(applier->ws->fd, DRM_RADEON_INFO,
&info, sizeof(info)) != 0) {
- pipe_mutex_unlock(*mutex);
- return FALSE;
+ mtx_unlock(&*mutex);
+ return false;
}
/* Update the rights in the winsys. */
if (enable) {
if (value) {
*owner = applier;
- fprintf(stderr, "radeon: Acquired Hyper-Z.\n");
- pipe_mutex_unlock(*mutex);
- return TRUE;
+ mtx_unlock(&*mutex);
+ return true;
}
} else {
*owner = NULL;
- fprintf(stderr, "radeon: Released Hyper-Z.\n");
}
- pipe_mutex_unlock(*mutex);
- return FALSE;
+ mtx_unlock(&*mutex);
+ return false;
}
-static boolean radeon_get_drm_value(int fd, unsigned request,
- const char *errname, uint32_t *out)
+static bool radeon_get_drm_value(int fd, unsigned request,
+ const char *errname, uint32_t *out)
{
- struct drm_radeon_info info = {0};
+ struct drm_radeon_info info;
int retval;
+ memset(&info, 0, sizeof(info));
+
info.value = (unsigned long)out;
info.request = request;
retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
- if (retval && errname) {
- fprintf(stderr, "radeon: Failed to get %s, error number %d\n",
- errname, retval);
- return FALSE;
+ if (retval) {
+ if (errname) {
+ fprintf(stderr, "radeon: Failed to get %s, error number %d\n",
+ errname, retval);
+ }
+ return false;
}
- return TRUE;
+ return true;
}
/* Helper function to do the ioctls needed for setup and init. */
-static boolean do_winsys_init(struct radeon_drm_winsys *ws)
+static bool do_winsys_init(struct radeon_drm_winsys *ws)
{
- struct drm_radeon_gem_info gem_info = {0};
+ struct drm_radeon_gem_info gem_info;
int retval;
drmVersionPtr version;
+ memset(&gem_info, 0, sizeof(gem_info));
+
/* We do things in a specific order here.
*
* DRM version first. We need to be sure we're running on a KMS chipset.
/* Get DRM version. */
version = drmGetVersion(ws->fd);
if (version->version_major != 2 ||
- version->version_minor < 3) {
+ version->version_minor < 12) {
fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
- "only compatible with 2.3.x (kernel 2.6.34) or later.\n",
+ "only compatible with 2.12.0 (kernel 3.2) or later.\n",
__FUNCTION__,
version->version_major,
version->version_minor,
version->version_patchlevel);
drmFreeVersion(version);
- return FALSE;
+ return false;
}
ws->info.drm_major = version->version_major;
/* Get PCI ID. */
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_DEVICE_ID, "PCI ID",
&ws->info.pci_id))
- return FALSE;
+ return false;
/* Check PCI ID. */
switch (ws->info.pci_id) {
-#define CHIPSET(pci_id, name, family) case pci_id:
+#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R300; break;
#include "pci_ids/r300_pci_ids.h"
#undef CHIPSET
- ws->gen = R300;
- break;
-#define CHIPSET(pci_id, name, family) case pci_id:
+#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R600; break;
#include "pci_ids/r600_pci_ids.h"
#undef CHIPSET
- ws->gen = R600;
- break;
+
+#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_SI; break;
+#include "pci_ids/radeonsi_pci_ids.h"
+#undef CHIPSET
default:
fprintf(stderr, "radeon: Invalid PCI ID.\n");
- return FALSE;
+ return false;
+ }
+
+ switch (ws->info.family) {
+ default:
+ case CHIP_UNKNOWN:
+ fprintf(stderr, "radeon: Unknown family.\n");
+ return false;
+ case CHIP_R300:
+ case CHIP_R350:
+ case CHIP_RV350:
+ case CHIP_RV370:
+ case CHIP_RV380:
+ case CHIP_RS400:
+ case CHIP_RC410:
+ case CHIP_RS480:
+ ws->info.chip_class = R300;
+ break;
+ case CHIP_R420: /* R4xx-based cores. */
+ case CHIP_R423:
+ case CHIP_R430:
+ case CHIP_R480:
+ case CHIP_R481:
+ case CHIP_RV410:
+ case CHIP_RS600:
+ case CHIP_RS690:
+ case CHIP_RS740:
+ ws->info.chip_class = R400;
+ break;
+ case CHIP_RV515: /* R5xx-based cores. */
+ case CHIP_R520:
+ case CHIP_RV530:
+ case CHIP_R580:
+ case CHIP_RV560:
+ case CHIP_RV570:
+ ws->info.chip_class = R500;
+ break;
+ case CHIP_R600:
+ case CHIP_RV610:
+ case CHIP_RV630:
+ case CHIP_RV670:
+ case CHIP_RV620:
+ case CHIP_RV635:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ ws->info.chip_class = R600;
+ break;
+ case CHIP_RV770:
+ case CHIP_RV730:
+ case CHIP_RV710:
+ case CHIP_RV740:
+ ws->info.chip_class = R700;
+ break;
+ case CHIP_CEDAR:
+ case CHIP_REDWOOD:
+ case CHIP_JUNIPER:
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ case CHIP_PALM:
+ case CHIP_SUMO:
+ case CHIP_SUMO2:
+ case CHIP_BARTS:
+ case CHIP_TURKS:
+ case CHIP_CAICOS:
+ ws->info.chip_class = EVERGREEN;
+ break;
+ case CHIP_CAYMAN:
+ case CHIP_ARUBA:
+ ws->info.chip_class = CAYMAN;
+ break;
+ case CHIP_TAHITI:
+ case CHIP_PITCAIRN:
+ case CHIP_VERDE:
+ case CHIP_OLAND:
+ case CHIP_HAINAN:
+ ws->info.chip_class = SI;
+ break;
+ case CHIP_BONAIRE:
+ case CHIP_KAVERI:
+ case CHIP_KABINI:
+ case CHIP_HAWAII:
+ case CHIP_MULLINS:
+ ws->info.chip_class = CIK;
+ break;
+ }
+
+ /* Set which chips don't have dedicated VRAM. */
+ switch (ws->info.family) {
+ case CHIP_RS400:
+ case CHIP_RC410:
+ case CHIP_RS480:
+ case CHIP_RS600:
+ case CHIP_RS690:
+ case CHIP_RS740:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ case CHIP_PALM:
+ case CHIP_SUMO:
+ case CHIP_SUMO2:
+ case CHIP_ARUBA:
+ case CHIP_KAVERI:
+ case CHIP_KABINI:
+ case CHIP_MULLINS:
+ ws->info.has_dedicated_vram = false;
+ break;
+
+ default:
+ ws->info.has_dedicated_vram = true;
+ }
+
+ /* Check for dma */
+ ws->info.num_sdma_rings = 0;
+ /* DMA is disabled on R700. There is IB corruption and hangs. */
+ if (ws->info.chip_class >= EVERGREEN && ws->info.drm_minor >= 27) {
+ ws->info.num_sdma_rings = 1;
+ }
+
+ /* Check for UVD and VCE */
+ ws->info.has_hw_decode = false;
+ ws->info.vce_fw_version = 0x00000000;
+ if (ws->info.drm_minor >= 32) {
+ uint32_t value = RADEON_CS_RING_UVD;
+ if (radeon_get_drm_value(ws->fd, RADEON_INFO_RING_WORKING,
+ "UVD Ring working", &value))
+ ws->info.has_hw_decode = value;
+
+ value = RADEON_CS_RING_VCE;
+ if (radeon_get_drm_value(ws->fd, RADEON_INFO_RING_WORKING,
+ NULL, &value) && value) {
+
+ if (radeon_get_drm_value(ws->fd, RADEON_INFO_VCE_FW_VERSION,
+ "VCE FW version", &value))
+ ws->info.vce_fw_version = value;
+ }
+ }
+
+ /* Check for userptr support. */
+ {
+ struct drm_radeon_gem_userptr args = {0};
+
+ /* If the ioctl doesn't exist, -EINVAL is returned.
+ *
+ * If the ioctl exists, it should return -EACCES
+ * if RADEON_GEM_USERPTR_READONLY or RADEON_GEM_USERPTR_REGISTER
+ * aren't set.
+ */
+ ws->info.has_userptr =
+ drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_USERPTR,
+ &args, sizeof(args)) == -EACCES;
}
/* Get GEM info. */
if (retval) {
fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
retval);
- return FALSE;
+ return false;
}
ws->info.gart_size = gem_info.gart_size;
ws->info.vram_size = gem_info.vram_size;
+ ws->info.vram_vis_size = gem_info.vram_visible;
+ /* Older versions of the kernel driver reported incorrect values, and
+ * didn't support more than 256MB of visible VRAM anyway
+ */
+ if (ws->info.drm_minor < 49)
+ ws->info.vram_vis_size = MIN2(ws->info.vram_vis_size, 256*1024*1024);
+
+ /* Radeon allocates all buffers as contigous, which makes large allocations
+ * unlikely to succeed. */
+ ws->info.max_alloc_size = MAX2(ws->info.vram_size, ws->info.gart_size) * 0.7;
+ if (ws->info.has_dedicated_vram)
+ ws->info.max_alloc_size = MIN2(ws->info.vram_size * 0.7, ws->info.max_alloc_size);
+ if (ws->info.drm_minor < 40)
+ ws->info.max_alloc_size = MIN2(ws->info.max_alloc_size, 256*1024*1024);
+
+ /* Get max clock frequency info and convert it to MHz */
+ radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SCLK, NULL,
+ &ws->info.max_shader_clock);
+ ws->info.max_shader_clock /= 1000;
+
+ /* Default value. */
+ ws->info.enabled_rb_mask = u_bit_consecutive(0, ws->info.num_render_backends);
+ /* This fails on non-GCN or older kernels: */
+ radeon_get_drm_value(ws->fd, RADEON_INFO_SI_BACKEND_ENABLED_MASK, NULL,
+ &ws->info.enabled_rb_mask);
ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
/* Generation-specific queries. */
- if (ws->gen == R300) {
+ if (ws->gen == DRV_R300) {
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
"GB pipe count",
&ws->info.r300_num_gb_pipes))
- return FALSE;
+ return false;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
"Z pipe count",
&ws->info.r300_num_z_pipes))
- return FALSE;
+ return false;
}
- else if (ws->gen == R600) {
- if (ws->info.drm_minor >= 9 &&
- !radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
+ else if (ws->gen >= DRV_R600) {
+ uint32_t tiling_config = 0;
+
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
"num backends",
- &ws->info.r600_num_backends))
- return FALSE;
+ &ws->info.num_render_backends))
+ return false;
/* get the GPU counter frequency, failure is not fatal */
radeon_get_drm_value(ws->fd, RADEON_INFO_CLOCK_CRYSTAL_FREQ, NULL,
- &ws->info.r600_clock_crystal_freq);
+ &ws->info.clock_crystal_freq);
radeon_get_drm_value(ws->fd, RADEON_INFO_TILING_CONFIG, NULL,
- &ws->info.r600_tiling_config);
+ &tiling_config);
+
+ ws->info.r600_num_banks =
+ ws->info.chip_class >= EVERGREEN ?
+ 4 << ((tiling_config & 0xf0) >> 4) :
+ 4 << ((tiling_config & 0x30) >> 4);
+
+ ws->info.pipe_interleave_bytes =
+ ws->info.chip_class >= EVERGREEN ?
+ 256 << ((tiling_config & 0xf00) >> 8) :
+ 256 << ((tiling_config & 0xc0) >> 6);
+
+ if (!ws->info.pipe_interleave_bytes)
+ ws->info.pipe_interleave_bytes =
+ ws->info.chip_class >= EVERGREEN ? 512 : 256;
+
+ radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_TILE_PIPES, NULL,
+ &ws->info.num_tile_pipes);
+
+ /* "num_tiles_pipes" must be equal to the number of pipes (Px) in the
+ * pipe config field of the GB_TILE_MODE array. Only one card (Tahiti)
+ * reports a different value (12). Fix it by setting what's in the
+ * GB_TILE_MODE array (8).
+ */
+ if (ws->gen == DRV_SI && ws->info.num_tile_pipes == 12)
+ ws->info.num_tile_pipes = 8;
+
+ if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
+ &ws->info.r600_gb_backend_map))
+ ws->info.r600_gb_backend_map_valid = true;
+
+ ws->info.has_virtual_memory = false;
+ if (ws->info.drm_minor >= 13) {
+ uint32_t ib_vm_max_size;
+
+ ws->info.has_virtual_memory = true;
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_VA_START, NULL,
+ &ws->va_start))
+ ws->info.has_virtual_memory = false;
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
+ &ib_vm_max_size))
+ ws->info.has_virtual_memory = false;
+ radeon_get_drm_value(ws->fd, RADEON_INFO_VA_UNMAP_WORKING, NULL,
+ &ws->va_unmap_working);
+ }
+ if (ws->gen == DRV_R600 && !debug_get_bool_option("RADEON_VA", false))
+ ws->info.has_virtual_memory = false;
+ }
+
+ /* Get max pipes, this is only needed for compute shaders. All evergreen+
+ * chips have at least 2 pipes, so we use 2 as a default. */
+ ws->info.r600_max_quad_pipes = 2;
+ radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_PIPES, NULL,
+ &ws->info.r600_max_quad_pipes);
+
+ /* All GPUs have at least one compute unit */
+ ws->info.num_good_compute_units = 1;
+ radeon_get_drm_value(ws->fd, RADEON_INFO_ACTIVE_CU_COUNT, NULL,
+ &ws->info.num_good_compute_units);
+
+ radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SE, NULL,
+ &ws->info.max_se);
+
+ if (!ws->info.max_se) {
+ switch (ws->info.family) {
+ default:
+ ws->info.max_se = 1;
+ break;
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ case CHIP_BARTS:
+ case CHIP_CAYMAN:
+ case CHIP_TAHITI:
+ case CHIP_PITCAIRN:
+ case CHIP_BONAIRE:
+ ws->info.max_se = 2;
+ break;
+ case CHIP_HAWAII:
+ ws->info.max_se = 4;
+ break;
+ }
+ }
- if (ws->info.drm_minor >= 11) {
- radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_TILE_PIPES, NULL,
- &ws->info.r600_num_tile_pipes);
+ radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SH_PER_SE, NULL,
+ &ws->info.max_sh_per_se);
+
+ radeon_get_drm_value(ws->fd, RADEON_INFO_ACCEL_WORKING2, NULL,
+ &ws->accel_working2);
+ if (ws->info.family == CHIP_HAWAII && ws->accel_working2 < 2) {
+ fprintf(stderr, "radeon: GPU acceleration for Hawaii disabled, "
+ "returned accel_working2 value %u is smaller than 2. "
+ "Please install a newer kernel.\n",
+ ws->accel_working2);
+ return false;
+ }
- if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
- &ws->info.r600_backend_map))
- ws->info.r600_backend_map_valid = TRUE;
+ if (ws->info.chip_class == CIK) {
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_CIK_MACROTILE_MODE_ARRAY, NULL,
+ ws->info.cik_macrotile_mode_array)) {
+ fprintf(stderr, "radeon: Kernel 3.13 is required for CIK support.\n");
+ return false;
}
}
- return TRUE;
+ if (ws->info.chip_class >= SI) {
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_SI_TILE_MODE_ARRAY, NULL,
+ ws->info.si_tile_mode_array)) {
+ fprintf(stderr, "radeon: Kernel 3.10 is required for SI support.\n");
+ return false;
+ }
+ }
+
+ /* Hawaii with old firmware needs type2 nop packet.
+ * accel_working2 with value 3 indicates the new firmware.
+ */
+ ws->info.gfx_ib_pad_with_type2 = ws->info.chip_class <= SI ||
+ (ws->info.family == CHIP_HAWAII &&
+ ws->accel_working2 < 3);
+ ws->info.tcc_cache_line_size = 64; /* TC L2 line size on GCN */
+
+ ws->check_vm = strstr(debug_get_option("R600_DEBUG", ""), "check_vm") != NULL;
+
+ return true;
}
static void radeon_winsys_destroy(struct radeon_winsys *rws)
{
struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
- pipe_mutex_destroy(ws->hyperz_owner_mutex);
- pipe_mutex_destroy(ws->cmask_owner_mutex);
+ if (util_queue_is_initialized(&ws->cs_queue))
+ util_queue_destroy(&ws->cs_queue);
+
+ mtx_destroy(&ws->hyperz_owner_mutex);
+ mtx_destroy(&ws->cmask_owner_mutex);
+
+ if (ws->info.has_virtual_memory)
+ pb_slabs_deinit(&ws->bo_slabs);
+ pb_cache_deinit(&ws->bo_cache);
+
+ if (ws->gen >= DRV_R600) {
+ radeon_surface_manager_free(ws->surf_man);
+ }
+
+ util_hash_table_destroy(ws->bo_names);
+ util_hash_table_destroy(ws->bo_handles);
+ util_hash_table_destroy(ws->bo_vas);
+ mtx_destroy(&ws->bo_handles_mutex);
+ mtx_destroy(&ws->bo_va_mutex);
+ mtx_destroy(&ws->bo_fence_lock);
+
+ if (ws->fd >= 0)
+ close(ws->fd);
- ws->cman->destroy(ws->cman);
- ws->kman->destroy(ws->kman);
FREE(rws);
}
*info = ((struct radeon_drm_winsys *)rws)->info;
}
-static boolean radeon_cs_request_feature(struct radeon_winsys_cs *rcs,
- enum radeon_feature_id fid,
- boolean enable)
+static bool radeon_cs_request_feature(struct radeon_winsys_cs *rcs,
+ enum radeon_feature_id fid,
+ bool enable)
{
struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
switch (fid) {
case RADEON_FID_R300_HYPERZ_ACCESS:
- if (debug_get_bool_option("RADEON_HYPERZ", FALSE)) {
- return radeon_set_fd_access(cs, &cs->ws->hyperz_owner,
- &cs->ws->hyperz_owner_mutex,
- RADEON_INFO_WANT_HYPERZ, enable);
- } else {
- return FALSE;
- }
+ return radeon_set_fd_access(cs, &cs->ws->hyperz_owner,
+ &cs->ws->hyperz_owner_mutex,
+ RADEON_INFO_WANT_HYPERZ, "Hyper-Z",
+ enable);
case RADEON_FID_R300_CMASK_ACCESS:
- if (debug_get_bool_option("RADEON_CMASK", FALSE)) {
- return radeon_set_fd_access(cs, &cs->ws->cmask_owner,
- &cs->ws->cmask_owner_mutex,
- RADEON_INFO_WANT_CMASK, enable);
- } else {
- return FALSE;
+ return radeon_set_fd_access(cs, &cs->ws->cmask_owner,
+ &cs->ws->cmask_owner_mutex,
+ RADEON_INFO_WANT_CMASK, "AA optimizations",
+ enable);
+ }
+ return false;
+}
+
+static uint64_t radeon_query_value(struct radeon_winsys *rws,
+ enum radeon_value_id value)
+{
+ struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
+ uint64_t retval = 0;
+
+ switch (value) {
+ case RADEON_REQUESTED_VRAM_MEMORY:
+ return ws->allocated_vram;
+ case RADEON_REQUESTED_GTT_MEMORY:
+ return ws->allocated_gtt;
+ case RADEON_MAPPED_VRAM:
+ return ws->mapped_vram;
+ case RADEON_MAPPED_GTT:
+ return ws->mapped_gtt;
+ case RADEON_BUFFER_WAIT_TIME_NS:
+ return ws->buffer_wait_time;
+ case RADEON_NUM_MAPPED_BUFFERS:
+ return ws->num_mapped_buffers;
+ case RADEON_TIMESTAMP:
+ if (ws->info.drm_minor < 20 || ws->gen < DRV_R600) {
+ assert(0);
+ return 0;
}
+
+ radeon_get_drm_value(ws->fd, RADEON_INFO_TIMESTAMP, "timestamp",
+ (uint32_t*)&retval);
+ return retval;
+ case RADEON_NUM_GFX_IBS:
+ return ws->num_gfx_IBs;
+ case RADEON_NUM_SDMA_IBS:
+ return ws->num_sdma_IBs;
+ case RADEON_NUM_BYTES_MOVED:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BYTES_MOVED,
+ "num-bytes-moved", (uint32_t*)&retval);
+ return retval;
+ case RADEON_NUM_EVICTIONS:
+ case RADEON_NUM_VRAM_CPU_PAGE_FAULTS:
+ case RADEON_VRAM_VIS_USAGE:
+ case RADEON_GFX_BO_LIST_COUNTER:
+ case RADEON_GFX_IB_SIZE_COUNTER:
+ return 0; /* unimplemented */
+ case RADEON_VRAM_USAGE:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_VRAM_USAGE,
+ "vram-usage", (uint32_t*)&retval);
+ return retval;
+ case RADEON_GTT_USAGE:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_GTT_USAGE,
+ "gtt-usage", (uint32_t*)&retval);
+ return retval;
+ case RADEON_GPU_TEMPERATURE:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_CURRENT_GPU_TEMP,
+ "gpu-temp", (uint32_t*)&retval);
+ return retval;
+ case RADEON_CURRENT_SCLK:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_CURRENT_GPU_SCLK,
+ "current-gpu-sclk", (uint32_t*)&retval);
+ return retval;
+ case RADEON_CURRENT_MCLK:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_CURRENT_GPU_MCLK,
+ "current-gpu-mclk", (uint32_t*)&retval);
+ return retval;
+ case RADEON_GPU_RESET_COUNTER:
+ radeon_get_drm_value(ws->fd, RADEON_INFO_GPU_RESET_COUNTER,
+ "gpu-reset-counter", (uint32_t*)&retval);
+ return retval;
+ case RADEON_CS_THREAD_TIME:
+ return util_queue_get_thread_time_nano(&ws->cs_queue, 0);
+ }
+ return 0;
+}
+
+static bool radeon_read_registers(struct radeon_winsys *rws,
+ unsigned reg_offset,
+ unsigned num_registers, uint32_t *out)
+{
+ struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
+ unsigned i;
+
+ for (i = 0; i < num_registers; i++) {
+ uint32_t reg = reg_offset + i*4;
+
+ if (!radeon_get_drm_value(ws->fd, RADEON_INFO_READ_REG, NULL, ®))
+ return false;
+ out[i] = reg;
}
- return FALSE;
+ return true;
+}
+
+static unsigned hash_fd(void *key)
+{
+ int fd = pointer_to_intptr(key);
+ struct stat stat;
+ fstat(fd, &stat);
+
+ return stat.st_dev ^ stat.st_ino ^ stat.st_rdev;
+}
+
+static int compare_fd(void *key1, void *key2)
+{
+ int fd1 = pointer_to_intptr(key1);
+ int fd2 = pointer_to_intptr(key2);
+ struct stat stat1, stat2;
+ fstat(fd1, &stat1);
+ fstat(fd2, &stat2);
+
+ return stat1.st_dev != stat2.st_dev ||
+ stat1.st_ino != stat2.st_ino ||
+ stat1.st_rdev != stat2.st_rdev;
}
-struct radeon_winsys *radeon_drm_winsys_create(int fd)
+DEBUG_GET_ONCE_BOOL_OPTION(thread, "RADEON_THREAD", true)
+
+static bool radeon_winsys_unref(struct radeon_winsys *ws)
{
- struct radeon_drm_winsys *ws = CALLOC_STRUCT(radeon_drm_winsys);
+ struct radeon_drm_winsys *rws = (struct radeon_drm_winsys*)ws;
+ bool destroy;
+
+ /* When the reference counter drops to zero, remove the fd from the table.
+ * This must happen while the mutex is locked, so that
+ * radeon_drm_winsys_create in another thread doesn't get the winsys
+ * from the table when the counter drops to 0. */
+ mtx_lock(&fd_tab_mutex);
+
+ destroy = pipe_reference(&rws->reference, NULL);
+ if (destroy && fd_tab)
+ util_hash_table_remove(fd_tab, intptr_to_pointer(rws->fd));
+
+ mtx_unlock(&fd_tab_mutex);
+ return destroy;
+}
+
+#define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
+
+static unsigned handle_hash(void *key)
+{
+ return PTR_TO_UINT(key);
+}
+
+static int handle_compare(void *key1, void *key2)
+{
+ return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
+}
+
+PUBLIC struct radeon_winsys *
+radeon_drm_winsys_create(int fd, const struct pipe_screen_config *config,
+ radeon_screen_create_t screen_create)
+{
+ struct radeon_drm_winsys *ws;
+
+ mtx_lock(&fd_tab_mutex);
+ if (!fd_tab) {
+ fd_tab = util_hash_table_create(hash_fd, compare_fd);
+ }
+
+ ws = util_hash_table_get(fd_tab, intptr_to_pointer(fd));
+ if (ws) {
+ pipe_reference(NULL, &ws->reference);
+ mtx_unlock(&fd_tab_mutex);
+ return &ws->base;
+ }
+
+ ws = CALLOC_STRUCT(radeon_drm_winsys);
if (!ws) {
+ mtx_unlock(&fd_tab_mutex);
return NULL;
}
- ws->fd = fd;
+ ws->fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
if (!do_winsys_init(ws))
- goto fail;
+ goto fail1;
+
+ pb_cache_init(&ws->bo_cache, 500000, ws->check_vm ? 1.0f : 2.0f, 0,
+ MIN2(ws->info.vram_size, ws->info.gart_size),
+ radeon_bo_destroy,
+ radeon_bo_can_reclaim);
+
+ if (ws->info.has_virtual_memory) {
+ /* There is no fundamental obstacle to using slab buffer allocation
+ * without GPUVM, but enabling it requires making sure that the drivers
+ * honor the address offset.
+ */
+ if (!pb_slabs_init(&ws->bo_slabs,
+ RADEON_SLAB_MIN_SIZE_LOG2, RADEON_SLAB_MAX_SIZE_LOG2,
+ RADEON_MAX_SLAB_HEAPS,
+ ws,
+ radeon_bo_can_reclaim_slab,
+ radeon_bo_slab_alloc,
+ radeon_bo_slab_free))
+ goto fail_cache;
+
+ ws->info.min_alloc_size = 1 << RADEON_SLAB_MIN_SIZE_LOG2;
+ } else {
+ ws->info.min_alloc_size = ws->info.gart_page_size;
+ }
+
+ if (ws->gen >= DRV_R600) {
+ ws->surf_man = radeon_surface_manager_new(ws->fd);
+ if (!ws->surf_man)
+ goto fail_slab;
+ }
- /* Create managers. */
- ws->kman = radeon_bomgr_create(ws);
- if (!ws->kman)
- goto fail;
- ws->cman = pb_cache_manager_create(ws->kman, 1000000);
- if (!ws->cman)
- goto fail;
+ /* init reference */
+ pipe_reference_init(&ws->reference, 1);
/* Set functions. */
+ ws->base.unref = radeon_winsys_unref;
ws->base.destroy = radeon_winsys_destroy;
ws->base.query_info = radeon_query_info;
ws->base.cs_request_feature = radeon_cs_request_feature;
+ ws->base.query_value = radeon_query_value;
+ ws->base.read_registers = radeon_read_registers;
- radeon_bomgr_init_functions(ws);
+ radeon_drm_bo_init_functions(ws);
radeon_drm_cs_init_functions(ws);
+ radeon_surface_init_functions(ws);
+
+ (void) mtx_init(&ws->hyperz_owner_mutex, mtx_plain);
+ (void) mtx_init(&ws->cmask_owner_mutex, mtx_plain);
- pipe_mutex_init(ws->hyperz_owner_mutex);
- pipe_mutex_init(ws->cmask_owner_mutex);
+ ws->bo_names = util_hash_table_create(handle_hash, handle_compare);
+ ws->bo_handles = util_hash_table_create(handle_hash, handle_compare);
+ ws->bo_vas = util_hash_table_create(handle_hash, handle_compare);
+ (void) mtx_init(&ws->bo_handles_mutex, mtx_plain);
+ (void) mtx_init(&ws->bo_va_mutex, mtx_plain);
+ (void) mtx_init(&ws->bo_fence_lock, mtx_plain);
+ ws->va_offset = ws->va_start;
+ list_inithead(&ws->va_holes);
+
+ /* TTM aligns the BO size to the CPU page size */
+ ws->info.gart_page_size = sysconf(_SC_PAGESIZE);
+
+ if (ws->num_cpus > 1 && debug_get_option_thread())
+ util_queue_init(&ws->cs_queue, "radeon_cs", 8, 1, 0);
+
+ /* Create the screen at the end. The winsys must be initialized
+ * completely.
+ *
+ * Alternatively, we could create the screen based on "ws->gen"
+ * and link all drivers into one binary blob. */
+ ws->base.screen = screen_create(&ws->base, config);
+ if (!ws->base.screen) {
+ radeon_winsys_destroy(&ws->base);
+ mtx_unlock(&fd_tab_mutex);
+ return NULL;
+ }
+
+ util_hash_table_set(fd_tab, intptr_to_pointer(ws->fd), ws);
+
+ /* We must unlock the mutex once the winsys is fully initialized, so that
+ * other threads attempting to create the winsys from the same fd will
+ * get a fully initialized winsys and not just half-way initialized. */
+ mtx_unlock(&fd_tab_mutex);
return &ws->base;
-fail:
- if (ws->cman)
- ws->cman->destroy(ws->cman);
- if (ws->kman)
- ws->kman->destroy(ws->kman);
+fail_slab:
+ if (ws->info.has_virtual_memory)
+ pb_slabs_deinit(&ws->bo_slabs);
+fail_cache:
+ pb_cache_deinit(&ws->bo_cache);
+fail1:
+ mtx_unlock(&fd_tab_mutex);
+ if (ws->surf_man)
+ radeon_surface_manager_free(ws->surf_man);
+ if (ws->fd >= 0)
+ close(ws->fd);
+
FREE(ws);
return NULL;
}