diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-09 18:48:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-09 18:48:37 -0700 |
commit | af3c8d98508d37541d4bf57f13a984a7f73a328c (patch) | |
tree | e8dd974d6ebccd38b1e373be8a5e4a2f8bf3c6ce /drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | |
parent | d3e3b7eac886fb1383db2f22b81550fa6d87f62f (diff) | |
parent | 00fc2c26bc46a64545cdf95a1511461ea9acecb4 (diff) |
Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main pull request for the drm, I think I've got one later
driver pull for mediatek SoC driver, I'm undecided on if it needs to
go to you yet.
Otherwise summary below:
Core drm:
- Atomic add driver private objects
- Deprecate preclose hook in modern drivers
- MST bandwidth tracking
- Use kvmalloc in more places
- Add mode_valid hook for crtc/encoder/bridge
- Reduce sync_file construction time
- Documentation updates
- New DRM synchronisation object support
New drivers:
- pl111 - pl111 CLCD display controller
Panel:
- Innolux P079ZCA panel driver
- Add NL12880B20-05, NL192108AC18-02D, P320HVN03 panels
- panel-samsung-s6e3ha2: Add s6e3hf2 panel support
i915:
- SKL+ watermark fixes
- G4x/G33 reset improvements
- DP AUX backlight improvements
- Buffer based GuC/host communication
- New getparam for (sub)slice infomation
- Cannonlake and Coffeelake initial patches
- Execbuf optimisations
radeon/amdgpu:
- Lots of Vega10 bug fixes
- Preliminary raven support
- KIQ support for compute rings
- MEC queue management rework
- DCE6 Audio support
- SR-IOV improvements
- Better radeon/amdgpu selection support
nouveau:
- HDMI stereoscopic support
- Display code rework for >= GM20x GPUs
msm:
- GEM rework for fine-grained locking
- Per-process pagetable work
- HDMI fixes for Snapdragon 820.
vc4:
- Remove 256MB CMA limit from vc4
- Add out-fence support
- Add support for cygnus
- Get/set tiling ioctls support
- Add T-format tiling support for scanout
zte:
- add VGA support.
etnaviv:
- Thermal throttle support for newer GPUs
- Restore userspace buffer cache performance
- dma-buf sync fix
stm:
- add stm32f429 display support
exynos:
- Rework vblank handling
- Fixup sw-trigger code
sun4i:
- V3s display engine support
- HDMI support for older SoCs
- Preliminary work on dual-pipeline SoCs.
rcar-du:
- VSP work
imx-drm:
- Remove counter load enable from PRE
- Double read/write reduction flag support
tegra:
- Documentation for the host1x and drm driver.
- Lots of staging ioctl fixes due to grate project work.
omapdrm:
- dma-buf fence support
- TILER rotation fixes"
* tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux: (1270 commits)
drm: Remove unused drm_file parameter to drm_syncobj_replace_fence()
drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.
amdgpu: Set cik/si_support to 1 by default if radeon isn't built
drm/amdgpu/gfx9: fix driver reload with KIQ
drm/amdgpu/gfx8: fix driver reload with KIQ
drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplay
drm/ttm: Fix use-after-free in ttm_bo_clean_mm
drm/amd/amdgpu: move get memory type function from early init to sw init
drm/amdgpu/cgs: always set reference clock in mode_info
drm/amdgpu: fix vblank_time when displays are off
drm/amd/powerplay: power value format change for Vega10
drm/amdgpu/gfx9: support the amdgpu.disable_cu option
drm/amd/powerplay: change PPSMC_MSG_GetCurrPkgPwr for Vega10
drm/amdgpu: Make amdgpu_cs_parser_init static (v2)
drm/amdgpu/cs: fix a typo in a comment
drm/amdgpu: Fix the exported always on CU bitmap
drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static
drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup
drm/amd/powerplay/cz: print message if smc message fails
drm/amdgpu: fix typo in amdgpu_debugfs_test_ib_init
...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c new file mode 100644 index 000000000000..befc09b68543 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c @@ -0,0 +1,299 @@ +/* + * Copyright 2017 Valve Corporation + * + * 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 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) OR AUTHOR(S) 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. + * + * Authors: Andres Rodriguez + */ + +#include "amdgpu.h" +#include "amdgpu_ring.h" + +static int amdgpu_queue_mapper_init(struct amdgpu_queue_mapper *mapper, + int hw_ip) +{ + if (!mapper) + return -EINVAL; + + if (hw_ip > AMDGPU_MAX_IP_NUM) + return -EINVAL; + + mapper->hw_ip = hw_ip; + mutex_init(&mapper->lock); + + memset(mapper->queue_map, 0, sizeof(mapper->queue_map)); + + return 0; +} + +static struct amdgpu_ring *amdgpu_get_cached_map(struct amdgpu_queue_mapper *mapper, + int ring) +{ + return mapper->queue_map[ring]; +} + +static int amdgpu_update_cached_map(struct amdgpu_queue_mapper *mapper, + int ring, struct amdgpu_ring *pring) +{ + if (WARN_ON(mapper->queue_map[ring])) { + DRM_ERROR("Un-expected ring re-map\n"); + return -EINVAL; + } + + mapper->queue_map[ring] = pring; + + return 0; +} + +static int amdgpu_identity_map(struct amdgpu_device *adev, + struct amdgpu_queue_mapper *mapper, + int ring, + struct amdgpu_ring **out_ring) +{ + switch (mapper->hw_ip) { + case AMDGPU_HW_IP_GFX: + *out_ring = &adev->gfx.gfx_ring[ring]; + break; + case AMDGPU_HW_IP_COMPUTE: + *out_ring = &adev->gfx.compute_ring[ring]; + break; + case AMDGPU_HW_IP_DMA: + *out_ring = &adev->sdma.instance[ring].ring; + break; + case AMDGPU_HW_IP_UVD: + *out_ring = &adev->uvd.ring; + break; + case AMDGPU_HW_IP_VCE: + *out_ring = &adev->vce.ring[ring]; + break; + case AMDGPU_HW_IP_UVD_ENC: + *out_ring = &adev->uvd.ring_enc[ring]; + break; + case AMDGPU_HW_IP_VCN_DEC: + *out_ring = &adev->vcn.ring_dec; + break; + case AMDGPU_HW_IP_VCN_ENC: + *out_ring = &adev->vcn.ring_enc[ring]; + break; + default: + *out_ring = NULL; + DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip); + return -EINVAL; + } + + return amdgpu_update_cached_map(mapper, ring, *out_ring); +} + +static enum amdgpu_ring_type amdgpu_hw_ip_to_ring_type(int hw_ip) +{ + switch (hw_ip) { + case AMDGPU_HW_IP_GFX: + return AMDGPU_RING_TYPE_GFX; + case AMDGPU_HW_IP_COMPUTE: + return AMDGPU_RING_TYPE_COMPUTE; + case AMDGPU_HW_IP_DMA: + return AMDGPU_RING_TYPE_SDMA; + case AMDGPU_HW_IP_UVD: + return AMDGPU_RING_TYPE_UVD; + case AMDGPU_HW_IP_VCE: + return AMDGPU_RING_TYPE_VCE; + default: + DRM_ERROR("Invalid HW IP specified %d\n", hw_ip); + return -1; + } +} + +static int amdgpu_lru_map(struct amdgpu_device *adev, + struct amdgpu_queue_mapper *mapper, + int user_ring, + struct amdgpu_ring **out_ring) +{ + int r, i, j; + int ring_type = amdgpu_hw_ip_to_ring_type(mapper->hw_ip); + int ring_blacklist[AMDGPU_MAX_RINGS]; + struct amdgpu_ring *ring; + + /* 0 is a valid ring index, so initialize to -1 */ + memset(ring_blacklist, 0xff, sizeof(ring_blacklist)); + + for (i = 0, j = 0; i < AMDGPU_MAX_RINGS; i++) { + ring = mapper->queue_map[i]; + if (ring) + ring_blacklist[j++] = ring->idx; + } + + r = amdgpu_ring_lru_get(adev, ring_type, ring_blacklist, + j, out_ring); + if (r) + return r; + + return amdgpu_update_cached_map(mapper, user_ring, *out_ring); +} + +/** + * amdgpu_queue_mgr_init - init an amdgpu_queue_mgr struct + * + * @adev: amdgpu_device pointer + * @mgr: amdgpu_queue_mgr structure holding queue information + * + * Initialize the the selected @mgr (all asics). + * + * Returns 0 on success, error on failure. + */ +int amdgpu_queue_mgr_init(struct amdgpu_device *adev, + struct amdgpu_queue_mgr *mgr) +{ + int i, r; + + if (!adev || !mgr) + return -EINVAL; + + memset(mgr, 0, sizeof(*mgr)); + + for (i = 0; i < AMDGPU_MAX_IP_NUM; ++i) { + r = amdgpu_queue_mapper_init(&mgr->mapper[i], i); + if (r) + return r; + } + + return 0; +} + +/** + * amdgpu_queue_mgr_fini - de-initialize an amdgpu_queue_mgr struct + * + * @adev: amdgpu_device pointer + * @mgr: amdgpu_queue_mgr structure holding queue information + * + * De-initialize the the selected @mgr (all asics). + * + * Returns 0 on success, error on failure. + */ +int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, + struct amdgpu_queue_mgr *mgr) +{ + return 0; +} + +/** + * amdgpu_queue_mgr_map - Map a userspace ring id to an amdgpu_ring + * + * @adev: amdgpu_device pointer + * @mgr: amdgpu_queue_mgr structure holding queue information + * @hw_ip: HW IP enum + * @instance: HW instance + * @ring: user ring id + * @our_ring: pointer to mapped amdgpu_ring + * + * Map a userspace ring id to an appropriate kernel ring. Different + * policies are configurable at a HW IP level. + * + * Returns 0 on success, error on failure. + */ +int amdgpu_queue_mgr_map(struct amdgpu_device *adev, + struct amdgpu_queue_mgr *mgr, + int hw_ip, int instance, int ring, + struct amdgpu_ring **out_ring) +{ + int r, ip_num_rings; + struct amdgpu_queue_mapper *mapper = &mgr->mapper[hw_ip]; + + if (!adev || !mgr || !out_ring) + return -EINVAL; + + if (hw_ip >= AMDGPU_MAX_IP_NUM) + return -EINVAL; + + if (ring >= AMDGPU_MAX_RINGS) + return -EINVAL; + + /* Right now all IPs have only one instance - multiple rings. */ + if (instance != 0) { + DRM_ERROR("invalid ip instance: %d\n", instance); + return -EINVAL; + } + + switch (hw_ip) { + case AMDGPU_HW_IP_GFX: + ip_num_rings = adev->gfx.num_gfx_rings; + break; + case AMDGPU_HW_IP_COMPUTE: + ip_num_rings = adev->gfx.num_compute_rings; + break; + case AMDGPU_HW_IP_DMA: + ip_num_rings = adev->sdma.num_instances; + break; + case AMDGPU_HW_IP_UVD: + ip_num_rings = 1; + break; + case AMDGPU_HW_IP_VCE: + ip_num_rings = adev->vce.num_rings; + break; + case AMDGPU_HW_IP_UVD_ENC: + ip_num_rings = adev->uvd.num_enc_rings; + break; + case AMDGPU_HW_IP_VCN_DEC: + ip_num_rings = 1; + break; + case AMDGPU_HW_IP_VCN_ENC: + ip_num_rings = adev->vcn.num_enc_rings; + break; + default: + DRM_ERROR("unknown ip type: %d\n", hw_ip); + return -EINVAL; + } + + if (ring >= ip_num_rings) { + DRM_ERROR("Ring index:%d exceeds maximum:%d for ip:%d\n", + ring, ip_num_rings, hw_ip); + return -EINVAL; + } + + mutex_lock(&mapper->lock); + + *out_ring = amdgpu_get_cached_map(mapper, ring); + if (*out_ring) { + /* cache hit */ + r = 0; + goto out_unlock; + } + + switch (mapper->hw_ip) { + case AMDGPU_HW_IP_GFX: + case AMDGPU_HW_IP_UVD: + case AMDGPU_HW_IP_VCE: + case AMDGPU_HW_IP_UVD_ENC: + case AMDGPU_HW_IP_VCN_DEC: + case AMDGPU_HW_IP_VCN_ENC: + r = amdgpu_identity_map(adev, mapper, ring, out_ring); + break; + case AMDGPU_HW_IP_DMA: + case AMDGPU_HW_IP_COMPUTE: + r = amdgpu_lru_map(adev, mapper, ring, out_ring); + break; + default: + *out_ring = NULL; + r = -EINVAL; + DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip); + } + +out_unlock: + mutex_unlock(&mapper->lock); + return r; +} |