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linux-stable/drivers/gpu/drm/i915
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Chris Wilson 605d5b3297 drm/i915: Avoid the branch in computing intel_ring_space() 
Exploit the power-of-two ring size to compute the space across the
wraparound using a mask rather than a if. Convert to unsigned integers
so the operation is well defined.

References: https://bugs.freedesktop.org/show_bug.cgi?id=99671
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170504130846.4807-1-chris@chris-wilson.co.uk
2017-05-04 15:40:38 +01:00
..
gvt drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
selftests drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
dvo.h
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
i915_cmd_parser.c drm/i915: Rename intel_engine_cs.exec_id to uabi_id 2017-04-11 14:31:39 +01:00
i915_debugfs.c drm/i915: Use drm_i915_private directly from debugfs 2017-04-10 12:04:23 +01:00
i915_drv.c drm/i915: Do not leak dev_priv->l3_parity.remap_info[] 2017-05-02 12:09:13 +03:00
i915_drv.h drm/i915: Reorganize intel_lpe_audio_notify() arguments 2017-05-03 16:20:48 +03:00
i915_gem.c drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00
i915_gem.h drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00
i915_gem_batch_pool.c drm/i915: Retire an active batch pool object rather than allocate new 2017-03-17 17:57:20 +00:00
i915_gem_batch_pool.h
i915_gem_clflush.c drm/i915: Mark up clflushes as belonging to an unordered timeline 2017-05-03 11:08:45 +01:00
i915_gem_clflush.h drm/i915: Mark up clflushes as belonging to an unordered timeline 2017-05-03 11:08:45 +01:00
i915_gem_context.c drm/i915: Sanitize engine context sizes 2017-04-28 12:11:59 +03:00
i915_gem_context.h drm/i915: make context status notifier head be per engine 2017-03-21 16:51:47 +02:00
i915_gem_dmabuf.c drm/i915: Implement dma_buf_ops->kmap 2017-05-03 23:15:02 +01:00
i915_gem_evict.c drm/i915: Move retire-requests into i915_gem_wait_for_idle() 2017-03-31 12:03:46 +01:00
i915_gem_execbuffer.c drm/i915: Copy user requested buffers into the error state 2017-04-15 12:39:57 +01:00
i915_gem_fence_reg.c drm/i915: Take rpm wakelock for releasing the fence on unbind 2017-03-06 14:38:18 +00:00
i915_gem_fence_reg.h
i915_gem_gtt.c drm/i915: Ironlake do_idle_maps w/a may be called w/o struct_mutex 2017-03-31 13:40:02 +03:00
i915_gem_gtt.h drm/i915: Avoid using word legacy with ppgtt 2017-03-03 16:46:23 +02:00
i915_gem_internal.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
i915_gem_object.h drm/i915: Use pagecache write to prepopulate shmemfs from pwrite-ioctl 2017-03-09 10:46:07 +02:00
i915_gem_render_state.c scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
i915_gem_render_state.h
i915_gem_request.c drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
i915_gem_request.h drm/i915: Copy user requested buffers into the error state 2017-04-15 12:39:57 +01:00
i915_gem_shrinker.c Linux 4.11-rc7 2017-04-19 11:07:14 +10:00
i915_gem_stolen.c drm/i915/gvt: Disable access to stolen memory as a guest 2017-02-16 11:59:13 +02:00
i915_gem_tiling.c drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_timeline.c drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00
i915_gem_timeline.h drm/i915: Rename intel_timeline.sync_seqno[] to .global_sync[] 2017-05-03 11:08:52 +01:00
i915_gem_userptr.c drm/i915/userptr: Reinvent GGTT self-faulting protection 2017-03-16 10:21:25 +00:00
i915_gpu_error.c drm/i915: Capture CCID on ILK 2017-04-28 12:11:59 +03:00
i915_guc_reg.h
i915_guc_submission.c drm/i915: Sanitize engine context sizes 2017-04-28 12:11:59 +03:00
i915_ioc32.c
i915_irq.c drm/i915: Stop pretending to mask/unmask LPE audio interrupts 2017-05-03 16:19:21 +03:00
i915_memcpy.c
i915_mm.c
i915_oa_hsw.c
i915_oa_hsw.h
i915_params.c drm/i915/uc: Add params for specifying firmware 2017-03-15 14:26:30 +02:00
i915_params.h drm/i915/uc: Add params for specifying firmware 2017-03-15 14:26:30 +02:00
i915_pci.c drm/i915: Eliminate HAS_HW_CONTEXTS 2017-04-28 12:11:59 +03:00
i915_perf.c drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
i915_pvinfo.h
i915_reg.h drm/i915: Sanitize engine context sizes 2017-04-28 12:11:59 +03:00
i915_selftest.h drm/i915: Use fault-injection to force the shrinker to run in live GTT tests 2017-02-13 20:46:32 +00:00
i915_suspend.c
i915_sw_fence.c gpu: drm: drivers: Convert printk(KERN_<LEVEL> to pr_<level> 2017-03-01 09:44:11 +01:00
i915_sw_fence.h
i915_syncmap.c drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00
i915_syncmap.h drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00
i915_sysfs.c drm/i915: Do not leak dev_priv->l3_parity.remap_info[] 2017-05-02 12:09:13 +03:00
i915_trace.h drm/i915: Avoid use-after-free of ctx in request tracepoints 2017-03-17 07:59:48 +00:00
i915_trace_points.c
i915_utils.h drm/i915: Move WARN_ON/MISSING_CASE macros to i915_utils.h 2017-03-29 11:10:28 +01:00
i915_vgpu.c drm/i915: Fix vGPU balloon for ggtt guard page 2017-03-17 09:41:27 +00:00
i915_vgpu.h
i915_vma.c drm/i915: Remove the vma from the drm_mm if binding fails 2017-03-09 10:43:55 +02:00
i915_vma.h drm/i915: Exercise i915_vma_pin/i915_vma_insert 2017-02-13 20:46:41 +00:00
intel_acpi.c
intel_atomic.c drm/i915: Skip useless watermark/FIFO related work on VLV/CHV when not needed 2017-03-03 16:50:10 +02:00
intel_atomic_plane.c drm/i915: Add plane update/disable tracepoints 2017-03-03 16:50:10 +02:00
intel_audio.c drm/i915: Reorganize intel_lpe_audio_notify() arguments 2017-05-03 16:20:48 +03:00
intel_bios.c drm/i915/vbt: split out defaults that are set when there is no VBT 2017-03-14 10:49:13 +02:00
intel_bios.h
intel_breadcrumbs.c drm/i915: Apply a cond_resched() to the saturated signaler 2017-04-26 16:27:58 +03:00
intel_cdclk.c drm/i915/glk: limit pixel clock to 99% of cdclk workaround 2017-04-06 14:45:26 +03:00
intel_color.c drm/i915/glk: Improve rounding caused by pre-CSC gamma tables 2017-03-14 16:07:00 +02:00
intel_crt.c drm/i915: Convert intel_crt connector properties to atomic. 2017-04-12 10:53:22 +02:00
intel_csr.c drm/i915: update the firmware download URL 2017-03-28 11:17:37 +03:00
intel_ddi.c drm/i915: make a few DDI functions static 2017-03-31 11:32:41 -03:00
intel_device_info.c drm/i915/glk: Enable pooled EUs for Geminilake 2017-03-17 17:05:36 +02:00
intel_display.c drm/i915: Make legacy cursor updates more unsynced 2017-04-26 16:28:03 +03:00
intel_dp.c drm/i915: Perform link quality check unconditionally during long pulse 2017-04-26 16:28:19 +03:00
intel_dp_aux_backlight.c
intel_dp_link_training.c drm/i915: Implement Link Rate fallback on Link training failure 2017-04-13 21:57:37 +03:00
intel_dp_mst.c drm/i915: Convert intel_dp_mst connector properties to atomic. 2017-04-12 10:53:22 +02:00
intel_dpio_phy.c
intel_dpll_mgr.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
intel_dpll_mgr.h
intel_drv.h drm/i915: Fix GCC 4.4 build issue with __intel_wait_for_register_fw 2017-04-19 12:29:09 +01:00
intel_dsi.c drm/i915/glk: Fix DSI "*ERROR* ULPS is still active" messages 2017-04-28 17:09:06 +03:00
intel_dsi.h drm/i915/dsi: arrange intel_dsi.h according to relevant files 2017-03-07 15:18:43 +02:00
intel_dsi_dcs_backlight.c
intel_dsi_pll.c drm/i915/glk: Validate only DSI PORT A PLL divider 2017-02-28 11:54:52 +02:00
intel_dsi_vbt.c drm/i915/dsi: rename intel_dsi_panel_vbt.c to intel_dsi_vbt.c 2017-03-07 15:18:24 +02:00
intel_dvo.c drm/i915: Convert intel DVO connector to atomic 2017-04-12 10:53:29 +02:00
intel_engine_cs.c drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
intel_fbc.c drm/i915: Use new atomic iterator macros in fbc 2017-03-13 12:06:40 +01:00
intel_fbdev.c drm/i915/fbdev: Stop repeating tile configuration on stagnation 2017-03-09 10:43:17 +02:00
intel_fifo_underrun.c drm/i915: Add FIFO underrun tracepoints 2017-03-03 16:50:11 +02:00
intel_frontbuffer.c drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_frontbuffer.h drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_guc_fwif.h drm/i915/guc: Use GUC prefix for CORE_FAMILY definitions 2017-04-05 10:06:38 +01:00
intel_guc_loader.c drm/i915/guc: write wopcm related register once during uc init 2017-04-13 14:01:01 +03:00
intel_guc_log.c drm/i915: Treat WC a separate cache domain 2017-04-12 12:35:17 +01:00
intel_gvt.c drm/i915/gvt: Turn on KBL platform support. 2017-03-29 15:28:51 +08:00
intel_gvt.h
intel_hangcheck.c drm/i915: Avoid format string expansion from engine names 2017-04-19 15:49:27 +03:00
intel_hdmi.c drm/i915/glk: Don't allow 12 bpc when htotal is too big 2017-04-26 19:03:36 +03:00
intel_hotplug.c drm/atomic: Acquire connection_mutex lock in drm_helper_probe_single_connector_modes, v4. 2017-04-06 21:29:23 +02:00
intel_huc.c drm/i915/guc: write wopcm related register once during uc init 2017-04-13 14:01:01 +03:00
intel_i2c.c
intel_lpe_audio.c ALSA: x86: Register multiple PCM devices for the LPE audio card 2017-05-03 16:24:00 +03:00
intel_lrc.c drm/i915: Use engine->context_pin() to report the intel_ring 2017-05-04 11:54:43 +01:00
intel_lrc.h drm/i915: Sanitize engine context sizes 2017-04-28 12:11:59 +03:00
intel_lspcon.c drm/i915/lspcon: Fix resume time initialization due to unasserted HPD 2017-02-16 11:59:10 +02:00
intel_lvds.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_mocs.c drm/i915: Emit to ringbuffer directly 2017-02-14 14:30:46 +00:00
intel_mocs.h
intel_modes.c
intel_opregion.c drm/i915/opregion: debug log about invalid ACPI OpRegion VBT 2017-03-30 09:12:36 +03:00
intel_overlay.c drm/i915: Remove superfluous i915_add_request_no_flush() helper 2017-03-17 13:03:25 +00:00
intel_panel.c
intel_pipe_crc.c drm/i915: Do not use lock all in hsw_trans_edp_pipe_A_crc_wa 2017-04-12 11:03:25 +02:00
intel_pm.c drm/i915: Use __intel_uncore_wait_for_register_fw for sandybride_pcode_read 2017-04-11 12:47:17 +01:00
intel_psr.c
intel_renderstate.h
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_ringbuffer.c drm/i915: Avoid the branch in computing intel_ring_space() 2017-05-04 15:40:38 +01:00
intel_ringbuffer.h drm/i915: Avoid the branch in computing intel_ring_space() 2017-05-04 15:40:38 +01:00
intel_runtime_pm.c drm/i915: WARN if the core runtime PM get helpers fail 2017-03-28 16:02:10 +03:00
intel_sdvo.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_sdvo_regs.h
intel_sideband.c drm/i915: Distinguish between timeout and error in sideband transactions 2017-02-27 17:22:19 +00:00
intel_sprite.c drm/i915: Use i9xx_check_plane_surface() for sprite planes as well 2017-03-27 15:58:33 +03:00
intel_tv.c drm/i915: Convert intel_tv connector properties to atomic, v5. 2017-04-12 10:53:22 +02:00
intel_uc.c drm/i915/guc: Enable send function only after successful init 2017-05-02 13:04:00 +01:00
intel_uc.h drm/i915/guc: Enable send function only after successful init 2017-05-02 13:04:00 +01:00
intel_uncore.c drm/i915: Use wait_for_atomic_us when waiting for gt fifo 2017-05-03 12:47:33 +03:00
intel_vbt_defs.h
Kconfig Merge tag 'topic/designware-baytrail-2017-03-02' of git://anongit.freedesktop.org/git/drm-intel into drm-intel-next-queued 2017-03-13 09:26:06 +01:00
Kconfig.debug drm/i915/tracepoints: Add request submit and execute tracepoints 2017-02-21 13:18:14 +00:00
Makefile drm/i915: Squash repeated awaits on the same fence 2017-05-03 11:08:48 +01:00