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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-30 08:04:01 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-30 08:04:01 -0800 |
commit | 9f68e3655aae6d49d6ba05dd263f99f33c2567af (patch) | |
tree | 42c2c4579c4acbbb456695326af4f4ad8f402813 /drivers/gpu/drm/i915/gt/intel_rps.c | |
parent | 4cadc60d6bcfee9c626d4b55e9dc1475d21ad3bb (diff) | |
parent | d47c7f06268082bc0082a15297a07c0da59b0fc4 (diff) | |
download | linux-9f68e3655aae6d49d6ba05dd263f99f33c2567af.tar.gz linux-9f68e3655aae6d49d6ba05dd263f99f33c2567af.tar.bz2 linux-9f68e3655aae6d49d6ba05dd263f99f33c2567af.zip |
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Davbe Airlie:
"This is the main pull request for graphics for 5.6. Usual selection of
changes all over.
I've got one outstanding vmwgfx pull that touches mm so kept it
separate until after all of this lands. I'll try and get it to you
soon after this, but it might be early next week (nothing wrong with
code, just my schedule is messy)
This also hits a lot of fbdev drivers with some cleanups.
Other notables:
- vulkan timeline semaphore support added to syncobjs
- nouveau turing secureboot/graphics support
- Displayport MST display stream compression support
Detailed summary:
uapi:
- dma-buf heaps added (and fixed)
- command line add support for panel oreientation
- command line allow overriding penguin count
drm:
- mipi dsi definition updates
- lockdep annotations for dma_resv
- remove dma-buf kmap/kunmap support
- constify fb_ops in all fbdev drivers
- MST fix for daisy chained hotplug-
- CTA-861-G modes with VIC >= 193 added
- fix drm_panel_of_backlight export
- LVDS decoder support
- more device based logging support
- scanline alighment for dumb buffers
- MST DSC helpers
scheduler:
- documentation fixes
- job distribution improvements
panel:
- Logic PD type 28 panel support
- Jimax8729d MIPI-DSI
- igenic JZ4770
- generic DSI devicetree bindings
- sony acx424AKP panel
- Leadtek LTK500HD1829
- xinpeng XPP055C272
- AUO B116XAK01
- GiantPlus GPM940B0
- BOE NV140FHM-N49
- Satoz SAT050AT40H12R2
- Sharp LS020B1DD01D panels.
ttm:
- use blocking WW lock
i915:
- hw/uapi state separation
- Lock annotation improvements
- selftest improvements
- ICL/TGL DSI VDSC support
- VBT parsing improvments
- Display refactoring
- DSI updates + fixes
- HDCP 2.2 for CFL
- CML PCI ID fixes
- GLK+ fbc fix
- PSR fixes
- GEN/GT refactor improvments
- DP MST fixes
- switch context id alloc to xarray
- workaround updates
- LMEM debugfs support
- tiled monitor fixes
- ICL+ clock gating programming removed
- DP MST disable sequence fixed
- LMEM discontiguous object maps
- prefaulting for discontiguous objects
- use LMEM for dumb buffers if possible
- add LMEM mmap support
amdgpu:
- enable sync object timelines for vulkan
- MST atomic routines
- enable MST DSC support
- add DMCUB display microengine support
- DC OEM i2c support
- Renoir DC fixes
- Initial HDCP 2.x support
- BACO support for Arcturus
- Use BACO for runtime PM power save
- gfxoff on navi10
- gfx10 golden updates and fixes
- DCN support on POWER
- GFXOFF for raven1 refresh
- MM engine idle handlers cleanup
- 10bpc EDP panel fixes
- renoir watermark fixes
- SR-IOV fixes
- Arcturus VCN fixes
- GDDR6 training fixes
- freesync fixes
- Pollock support
amdkfd:
- unify more codepath with amdgpu
- use KIQ to setup HIQ rather than MMIO
radeon:
- fix vma fault handler race
- PPC DMA fix
- register check fixes for r100/r200
nouveau:
- mmap_sem vs dma_resv fix
- rewrite the ACR secure boot code for Turing
- TU10x graphics engine support (TU11x pending)
- Page kind mapping for turing
- 10-bit LUT support
- GP10B Tegra fixes
- HD audio regression fix
hisilicon/hibmc:
- use generic fbdev code and helpers
rockchip:
- dsi/px30 support
virtio:
- fb damage support
- static some functions
vc4:
- use dma_resv lock wrappers
msm:
- use dma_resv lock wrappers
- sc7180 display + DSI support
- a618 support
- UBWC support improvements
vmwgfx:
- updates + new logging uapi
exynos:
- enable/disable callback cleanups
etnaviv:
- use dma_resv lock wrappers
atmel-hlcdc:
- clock fixes
mediatek:
- cmdq support
- non-smooth cursor fixes
- ctm property support
sun4i:
- suspend support
- A64 mipi dsi support
rcar-du:
- Color management module support
- LVDS encoder dual-link support
- R8A77980 support
analogic:
- add support for an6345
ast:
- atomic modeset support
- primary plane garbage fix
arcgpu:
- fixes for fourcc handling
tegra:
- minor fixes and improvments
mcde:
- vblank support
meson:
- OSD1 plane AFBC commit
gma500:
- add pageflip support
- reomve global drm_dev
komeda:
- tweak debugfs output
- d32 support
- runtime PM suppotr
udl:
- use generic shmem helpers
- cleanup and fixes"
* tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits)
drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing
drm/nouveau/acr: return error when registering LSF if ACR not supported
drm/nouveau/disp/gv100-: not all channel types support reporting error codes
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
drm/nouveau: support synchronous pushbuf submission
drm/nouveau: signal pending fences when channel has been killed
drm/nouveau: reject attempts to submit to dead channels
drm/nouveau: zero vma pointer even if we only unreference it rather than free
drm/nouveau: Add HD-audio component notifier support
drm/nouveau: fix build error without CONFIG_IOMMU_API
drm/nouveau/kms/nv04: remove set but not used variable 'width'
drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector'
drm/nouveau/mmu: fix comptag memory leak
drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc
drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping
drm/exynos: Rename Exynos to lowercase
drm/exynos: change callback names
drm/mst: Don't do atomic checks over disabled managers
drm/amdgpu: add the lost mutex_init back
drm/amd/display: skip opp blank or unblank if test pattern enabled
...
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_rps.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_rps.c | 123 |
1 files changed, 77 insertions, 46 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index 20d6ee148afc..d2a3d935d186 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -37,6 +37,11 @@ static u32 rps_pm_sanitize_mask(struct intel_rps *rps, u32 mask) return mask & ~rps->pm_intrmsk_mbz; } +static inline void set(struct intel_uncore *uncore, i915_reg_t reg, u32 val) +{ + intel_uncore_write_fw(uncore, reg, val); +} + static u32 rps_pm_mask(struct intel_rps *rps, u8 val) { u32 mask = 0; @@ -78,8 +83,7 @@ static void rps_enable_interrupts(struct intel_rps *rps) gen6_gt_pm_enable_irq(gt, rps->pm_events); spin_unlock_irq(>->irq_lock); - intel_uncore_write(gt->uncore, GEN6_PMINTRMSK, - rps_pm_mask(rps, rps->cur_freq)); + set(gt->uncore, GEN6_PMINTRMSK, rps_pm_mask(rps, rps->cur_freq)); } static void gen6_rps_reset_interrupts(struct intel_rps *rps) @@ -113,8 +117,7 @@ static void rps_disable_interrupts(struct intel_rps *rps) rps->pm_events = 0; - intel_uncore_write(gt->uncore, GEN6_PMINTRMSK, - rps_pm_sanitize_mask(rps, ~0u)); + set(gt->uncore, GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u)); spin_lock_irq(>->irq_lock); gen6_gt_pm_disable_irq(gt, GEN6_PM_RPS_EVENTS); @@ -573,25 +576,21 @@ static void rps_set_power(struct intel_rps *rps, int new_power) if (IS_VALLEYVIEW(i915)) goto skip_hw_write; - intel_uncore_write(uncore, GEN6_RP_UP_EI, - GT_INTERVAL_FROM_US(i915, ei_up)); - intel_uncore_write(uncore, GEN6_RP_UP_THRESHOLD, - GT_INTERVAL_FROM_US(i915, - ei_up * threshold_up / 100)); - - intel_uncore_write(uncore, GEN6_RP_DOWN_EI, - GT_INTERVAL_FROM_US(i915, ei_down)); - intel_uncore_write(uncore, GEN6_RP_DOWN_THRESHOLD, - GT_INTERVAL_FROM_US(i915, - ei_down * threshold_down / 100)); - - intel_uncore_write(uncore, GEN6_RP_CONTROL, - (INTEL_GEN(i915) > 9 ? 0 : GEN6_RP_MEDIA_TURBO) | - GEN6_RP_MEDIA_HW_NORMAL_MODE | - GEN6_RP_MEDIA_IS_GFX | - GEN6_RP_ENABLE | - GEN6_RP_UP_BUSY_AVG | - GEN6_RP_DOWN_IDLE_AVG); + set(uncore, GEN6_RP_UP_EI, GT_INTERVAL_FROM_US(i915, ei_up)); + set(uncore, GEN6_RP_UP_THRESHOLD, + GT_INTERVAL_FROM_US(i915, ei_up * threshold_up / 100)); + + set(uncore, GEN6_RP_DOWN_EI, GT_INTERVAL_FROM_US(i915, ei_down)); + set(uncore, GEN6_RP_DOWN_THRESHOLD, + GT_INTERVAL_FROM_US(i915, ei_down * threshold_down / 100)); + + set(uncore, GEN6_RP_CONTROL, + (INTEL_GEN(i915) > 9 ? 0 : GEN6_RP_MEDIA_TURBO) | + GEN6_RP_MEDIA_HW_NORMAL_MODE | + GEN6_RP_MEDIA_IS_GFX | + GEN6_RP_ENABLE | + GEN6_RP_UP_BUSY_AVG | + GEN6_RP_DOWN_IDLE_AVG); skip_hw_write: rps->power.mode = new_power; @@ -666,7 +665,7 @@ static int gen6_rps_set(struct intel_rps *rps, u8 val) swreq = (GEN6_FREQUENCY(val) | GEN6_OFFSET(0) | GEN6_AGGRESSIVE_TURBO); - intel_uncore_write(uncore, GEN6_RPNSWREQ, swreq); + set(uncore, GEN6_RPNSWREQ, swreq); return 0; } @@ -683,7 +682,7 @@ static int vlv_rps_set(struct intel_rps *rps, u8 val) return err; } -static int rps_set(struct intel_rps *rps, u8 val) +static int rps_set(struct intel_rps *rps, u8 val, bool update) { struct drm_i915_private *i915 = rps_to_i915(rps); int err; @@ -701,7 +700,8 @@ static int rps_set(struct intel_rps *rps, u8 val) if (err) return err; - gen6_rps_set_thresholds(rps, val); + if (update) + gen6_rps_set_thresholds(rps, val); rps->last_freq = val; return 0; @@ -761,7 +761,7 @@ void intel_rps_park(struct intel_rps *rps) * power than the render powerwell. */ intel_uncore_forcewake_get(rps_to_uncore(rps), FORCEWAKE_MEDIA); - rps_set(rps, rps->idle_freq); + rps_set(rps, rps->idle_freq, false); intel_uncore_forcewake_put(rps_to_uncore(rps), FORCEWAKE_MEDIA); } @@ -777,7 +777,7 @@ void intel_rps_boost(struct i915_request *rq) spin_lock_irqsave(&rq->lock, flags); if (!i915_request_has_waitboost(rq) && !dma_fence_is_signaled_locked(&rq->fence)) { - rq->flags |= I915_REQUEST_WAITBOOST; + set_bit(I915_FENCE_FLAG_BOOST, &rq->fence.flags); if (!atomic_fetch_inc(&rps->num_waiters) && READ_ONCE(rps->cur_freq) < rps->boost_freq) @@ -790,14 +790,16 @@ void intel_rps_boost(struct i915_request *rq) int intel_rps_set(struct intel_rps *rps, u8 val) { - int err = 0; + int err; lockdep_assert_held(&rps->lock); GEM_BUG_ON(val > rps->max_freq); GEM_BUG_ON(val < rps->min_freq); if (rps->active) { - err = rps_set(rps, val); + err = rps_set(rps, val, true); + if (err) + return err; /* * Make sure we continue to get interrupts @@ -806,18 +808,15 @@ int intel_rps_set(struct intel_rps *rps, u8 val) if (INTEL_GEN(rps_to_i915(rps)) >= 6) { struct intel_uncore *uncore = rps_to_uncore(rps); - intel_uncore_write(uncore, GEN6_RP_INTERRUPT_LIMITS, - rps_limits(rps, val)); + set(uncore, + GEN6_RP_INTERRUPT_LIMITS, rps_limits(rps, val)); - intel_uncore_write(uncore, GEN6_PMINTRMSK, - rps_pm_mask(rps, val)); + set(uncore, GEN6_PMINTRMSK, rps_pm_mask(rps, val)); } } - if (err == 0) - rps->cur_freq = val; - - return err; + rps->cur_freq = val; + return 0; } static void gen6_rps_init(struct intel_rps *rps) @@ -878,7 +877,7 @@ static bool rps_reset(struct intel_rps *rps) rps->power.mode = -1; rps->last_freq = -1; - if (rps_set(rps, rps->min_freq)) { + if (rps_set(rps, rps->min_freq, true)) { DRM_ERROR("Failed to reset RPS to initial values\n"); return false; } @@ -1201,7 +1200,7 @@ void intel_rps_enable(struct intel_rps *rps) static void gen6_rps_disable(struct intel_rps *rps) { - intel_uncore_write(rps_to_uncore(rps), GEN6_RP_CONTROL, 0); + set(rps_to_uncore(rps), GEN6_RP_CONTROL, 0); } void intel_rps_disable(struct intel_rps *rps) @@ -1566,7 +1565,7 @@ void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir) return; if (pm_iir & PM_VEBOX_USER_INTERRUPT) - intel_engine_breadcrumbs_irq(gt->engine[VECS0]); + intel_engine_signal_breadcrumbs(gt->engine[VECS0]); if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT) DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir); @@ -1663,23 +1662,53 @@ void intel_rps_init(struct intel_rps *rps) if (INTEL_GEN(i915) <= 7) rps->pm_intrmsk_mbz |= GEN6_PM_RP_UP_EI_EXPIRED; - if (INTEL_GEN(i915) >= 8) + if (INTEL_GEN(i915) >= 8 && INTEL_GEN(i915) < 11) rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC; } -u32 intel_get_cagf(struct intel_rps *rps, u32 rpstat) +u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat) { struct drm_i915_private *i915 = rps_to_i915(rps); u32 cagf; - if (INTEL_GEN(i915) >= 9) + if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) + cagf = (rpstat >> 8) & 0xff; + else if (INTEL_GEN(i915) >= 9) cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; else cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; - return cagf; + return cagf; +} + +static u32 read_cagf(struct intel_rps *rps) +{ + struct drm_i915_private *i915 = rps_to_i915(rps); + u32 freq; + + if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) { + vlv_punit_get(i915); + freq = vlv_punit_read(i915, PUNIT_REG_GPU_FREQ_STS); + vlv_punit_put(i915); + } else { + freq = intel_uncore_read(rps_to_gt(rps)->uncore, GEN6_RPSTAT1); + } + + return intel_rps_get_cagf(rps, freq); +} + +u32 intel_rps_read_actual_frequency(struct intel_rps *rps) +{ + struct intel_runtime_pm *rpm = rps_to_gt(rps)->uncore->rpm; + intel_wakeref_t wakeref; + u32 freq = 0; + + with_intel_runtime_pm_if_in_use(rpm, wakeref) + freq = intel_gpu_freq(rps, read_cagf(rps)); + + return freq; } /* External interface for intel_ips.ko */ @@ -1715,6 +1744,7 @@ void intel_rps_driver_register(struct intel_rps *rps) * set up, to avoid intel-ips sneaking in and reading bogus values. */ if (IS_GEN(gt->i915, 5)) { + GEM_BUG_ON(ips_mchdev); rcu_assign_pointer(ips_mchdev, gt->i915); ips_ping_for_i915_load(); } @@ -1722,7 +1752,8 @@ void intel_rps_driver_register(struct intel_rps *rps) void intel_rps_driver_unregister(struct intel_rps *rps) { - rcu_assign_pointer(ips_mchdev, NULL); + if (rcu_access_pointer(ips_mchdev) == rps_to_i915(rps)) + rcu_assign_pointer(ips_mchdev, NULL); } static struct drm_i915_private *mchdev_get(void) |