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linux-hardened/drivers/gpu/drm/i915
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Chris Wilson b90b91d870 drm/i915: Prefault the entire object on first page fault 
Inserting additional PTEs has no side-effect for us as the pfn are fixed
for the entire time the object is resident in the global GTT. The
downside is that we pay the entire cost of faulting the object upon the
first hit, for which we in return receive the benefit of removing the
per-page faulting overhead.

On an Ivybridge i7-3720qm with 1600MHz DDR3, with 32 fences,
Upload rate for 2 linear surfaces:	8127MiB/s -> 8134MiB/s
Upload rate for 2 tiled surfaces:	8607MiB/s -> 8625MiB/s
Upload rate for 4 linear surfaces:	8127MiB/s -> 8127MiB/s
Upload rate for 4 tiled surfaces:	8611MiB/s -> 8602MiB/s
Upload rate for 8 linear surfaces:	8114MiB/s -> 8124MiB/s
Upload rate for 8 tiled surfaces:	8601MiB/s -> 8603MiB/s
Upload rate for 16 linear surfaces:	8110MiB/s -> 8123MiB/s
Upload rate for 16 tiled surfaces:	8595MiB/s -> 8606MiB/s
Upload rate for 32 linear surfaces:	8104MiB/s -> 8121MiB/s
Upload rate for 32 tiled surfaces:	8589MiB/s -> 8605MiB/s
Upload rate for 64 linear surfaces:	8107MiB/s -> 8121MiB/s
Upload rate for 64 tiled surfaces:	2013MiB/s -> 3017MiB/s

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Goel, Akash" <akash.goel@intel.com>
Testcasee: igt/gem_fence_upload/performance
Reviewed-by: Brad Volkin <bradley.d.volkin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-06-13 15:17:41 +02:00
..
dvo.h
dvo_ch7xxx.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ch7017.c
dvo_ivch.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ns2501.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_sil164.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_tfp410.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
i915_cmd_parser.c drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_debugfs.c drm/i915/bdw: Add Broadwell support for debugfs rps freq info 2014-06-13 15:17:38 +02:00
i915_dma.c drivers/gpu/drm/i915/dma: style fixes 2014-06-11 16:57:38 +02:00
i915_drv.c drm/i915: preserve user forcewake over system suspend/resume 2014-06-13 15:17:40 +02:00
i915_drv.h drm/i915: Update DRIVER_DATE to 20140606 2014-06-13 15:17:40 +02:00
i915_gem.c drm/i915: Prefault the entire object on first page fault 2014-06-13 15:17:41 +02:00
i915_gem_context.c drm/i915: Kill private_default_ctx off 2014-05-22 23:44:44 +02:00
i915_gem_debug.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_dmabuf.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gem_evict.c drm/i915: Prevent negative relocation deltas from wrapping 2014-05-27 11:18:40 +03:00
i915_gem_execbuffer.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
i915_gem_gtt.c Merge tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-06-06 19:07:09 +10:00
i915_gem_gtt.h drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
i915_gem_render_state.c drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_gem_stolen.c drm/i915: Use the .release hook to drop the stolen drm_mm tracking 2014-06-13 15:17:36 +02:00
i915_gem_tiling.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_userptr.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gpu_error.c drm/i915: Split the ringbuffers from the rings (2/3) 2014-05-22 23:27:25 +02:00
i915_ioc32.c drm: Remove DRM_ARRAY_SIZE() for ARRAY_SIZE() 2014-06-10 09:36:17 +10:00
i915_irq.c drm/i915/chv: Freq(opcode) request for CHV. 2014-06-11 16:57:28 +02:00
i915_params.c drm/i915: Add debug module option for VTd validation 2014-04-03 11:23:11 +02:00
i915_reg.h drm/i915: Fix VLV CRC reading. 2014-06-13 15:17:41 +02:00
i915_suspend.c drm/i915: disable GT power saving early during system suspend 2014-05-22 21:53:27 +02:00
i915_sysfs.c drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
i915_trace.h drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_trace_points.c
i915_ums.c
intel_acpi.c
intel_bios.c Merge tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-06-06 19:07:09 +10:00
intel_bios.h drm/i915: Detect if MIPI panel based on VBT and initialize only if present 2014-06-05 08:52:33 +02:00
intel_crt.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_ddi.c drm/i915: grab the audio power domain when enabling audio on HSW+ 2014-05-22 15:06:33 +02:00
intel_display.c drm/i915: runtime PM support for DPMS 2014-06-11 16:57:41 +02:00
intel_dp.c drm/i915/chv: Force clock buffer enables 2014-06-11 16:57:30 +02:00
intel_drv.h drm/i915: Drop unused lut tables from intel_plane 2014-06-11 16:57:42 +02:00
intel_dsi.c drm/i915: Make intel_dsi_init() return void 2014-06-11 16:57:33 +02:00
intel_dsi.h drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00
intel_dsi_cmd.c drm/i915: Send DPI command explicitely in LP mode 2014-04-09 21:54:30 +02:00
intel_dsi_cmd.h drm/i915: Send DPI command explicitely in LP mode 2014-04-09 21:54:30 +02:00
intel_dsi_panel_vbt.c drm/i915: Fix checkpatch errors 2014-06-11 16:57:33 +02:00
intel_dsi_pll.c
intel_dvo.c drm/i915: Don't get hw state from DVO chip unless DVO is enabled 2014-06-13 15:17:37 +02:00
intel_fbdev.c drm/i915: Use %c in a format string for the pipe name 2014-06-13 15:17:38 +02:00
intel_hdmi.c drm/i915/chv: Force clock buffer enables 2014-06-11 16:57:30 +02:00
intel_i2c.c
intel_lvds.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_modes.c
intel_opregion.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_overlay.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
intel_panel.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
intel_pm.c drm/i915: Use named initializers for gmch wm params 2014-06-13 15:17:36 +02:00
intel_renderstate.h drm/i915: add render state initialization 2014-05-14 19:16:13 +02:00
intel_renderstate_gen6.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_renderstate_gen7.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_renderstate_gen8.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_ringbuffer.c drm/i915: Don't WARN about ring idle bit on gen2 2014-06-05 08:52:41 +02:00
intel_ringbuffer.h drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
intel_sdvo.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_sdvo_regs.h
intel_sideband.c drm/i915: vlv/chv: fix DSI sideband register accessing 2014-05-19 17:50:14 +02:00
intel_sprite.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_tv.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_uncore.c drm/i915: preserve user forcewake over system suspend/resume 2014-06-13 15:17:40 +02:00
Kconfig drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
Makefile drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00