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5135d64b7f
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Deepak S 5135d64b7f drm/i915/vlv: Update Wait for FIFO and wait for 20 free entries. v3 
On VLV, FIFO will be shared by both SW and HW. So, we read the
free entries through register and update dev_priv variable
and wait for only 20 entries to be free

From Deepak's follow-up mail explaining why vlv is special:

"On SB, Out of 64 FIFO Entries, 20 Entries will be used by HW and
remaining 44 will be used by the SW,. I think due to this reason, we
have a threshold of 20 Entries."

"On VLV, HW and SW can access all 64 fifo entries, I don't think
having a threshold of 20 Entries is mandatory on VLV. Also, since both
SW and HW can access all 64 Entries. I think on VLV, we need to update
the fifo_count before waiting for the FIFO."

v2: Apply mask when we read the number of free FIFO entries (Ville).

v3: Mask applied after reading the register (Deepak).

Signed-off-by: Deepak S <deepak.s@intel.com>
[danvet: Add further explanation from Deepak to commit message.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-12-04 12:09:37 +01:00
..
dvo_ch7xxx.c drm/i915: dvo_ch7xxx: fix vsync polarity setting 2013-07-25 16:10:22 +02:00
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c drm/i915/ns2501: Rip out the reenable hack 2013-11-04 16:32:31 +01:00
dvo_sil164.c
dvo_tfp410.c
dvo.h drm/i915: Remove unused mode_fixup() vfunc of struct intel_dvo_dev_ops 2013-09-05 21:39:59 +02:00
i915_debugfs.c drm/i915: Enabling DebugFS for valleyview forcewake counts 2013-11-28 08:31:46 +01:00
i915_dma.c drm/i915: add a default always-on power well 2013-11-26 20:08:19 +01:00
i915_drv.c drm/i915: Disallow dynamic ppgtt param modification 2013-11-26 10:10:14 +01:00
i915_drv.h drm/i915: add intel_display_power_enabled_sw() for use in atomic ctx 2013-11-28 15:05:06 +01:00
i915_gem_context.c drm/i915: Remove defunct ctx switch comments 2013-11-26 10:12:16 +01:00
i915_gem_debug.c drm/i915: Fix #endif comment 2013-08-09 10:45:52 +02:00
i915_gem_dmabuf.c drm/i915: Pin pages whilst mapping the dma-buf 2013-09-03 19:17:58 +02:00
i915_gem_evict.c drm/i915: trace vm eviction instead of everything 2013-10-01 07:45:20 +02:00
i915_gem_execbuffer.c drm/i915: Missed dropped VMA conversion 2013-11-26 10:12:32 +01:00
i915_gem_gtt.c drm/i915: Move the gtt mm takedown to cleanup 2013-11-26 10:21:27 +01:00
i915_gem_stolen.c Linux 3.12-rc2 2013-09-24 09:32:53 +02:00
i915_gem_tiling.c drm/i915: prevent tiling changes on framebuffer backing storage 2013-10-16 22:04:52 +02:00
i915_gem.c Merge branch 'backlight-rework' into drm-intel-next-queued 2013-11-15 10:02:39 +01:00
i915_gpu_error.c drm/i915/bdw: Update relevant error state 2013-11-08 18:09:43 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Swap primary planes on gen2 for FBC 2013-12-04 12:09:36 +01:00
i915_reg.h drm/i915: Fix bogus FBC1 defines 2013-12-04 12:09:34 +01:00
i915_suspend.c drm/i915: do not save/restore backlight registers in KMS 2013-11-14 12:22:32 +01:00
i915_sysfs.c Merge branch 'backlight-rework' into drm-intel-next-queued 2013-11-15 10:02:39 +01:00
i915_trace_points.c
i915_trace.h drm/i915: Add a tracepoint for using a semaphore 2013-10-01 07:45:24 +02:00
i915_ums.c drm/i915: do not save/restore backlight registers in KMS 2013-11-14 12:22:32 +01:00
intel_acpi.c i915: fix ACPI _DSM warning 2013-08-05 19:04:05 +02:00
intel_bios.c drm/i915: Give names to the VBT child device type bits 2013-11-05 07:59:30 +01:00
intel_bios.h drm/i915: use __packed instead of __attribute__((packed)) 2013-12-03 18:19:49 +01:00
intel_crt.c drm/i915: Return a drm_mode_status enum in the mode_valid vfuncs 2013-11-28 16:49:33 +01:00
intel_ddi.c drm/i915: Fix copy/paste DP vs eDP error in comment 2013-12-03 18:01:17 +01:00
intel_display.c drm/i915: Swap primary planes on gen2 for FBC 2013-12-04 12:09:36 +01:00
intel_dp.c drm/i915: Add a timing breadcrumb to panel waits 2013-12-03 18:20:11 +01:00
intel_drv.h drm/i915: add intel_display_power_enabled_sw() for use in atomic ctx 2013-11-28 15:05:06 +01:00
intel_dsi_cmd.c drm/i915/dsi: s/size_t/int/ 2013-09-04 17:34:51 +02:00
intel_dsi_cmd.h drm/i915/dsi: s/size_t/int/ 2013-09-04 17:34:51 +02:00
intel_dsi_pll.c drm/i915: Use adjusted_mode in DSI PLL calculations 2013-09-16 23:36:38 +02:00
intel_dsi.c drm/i915: Return a drm_mode_status enum in the mode_valid vfuncs 2013-11-28 16:49:33 +01:00
intel_dsi.h drm/i915: add VLV DSI PLL Calculations 2013-09-04 17:34:48 +02:00
intel_dvo.c drm/i915: Return a drm_mode_status enum in the mode_valid vfuncs 2013-11-28 16:49:33 +01:00
intel_fbdev.c drm/i915: drop DRM_ERROR in intel_fbdev init 2013-11-28 14:55:54 +01:00
intel_hdmi.c drm/i915: Return a drm_mode_status enum in the mode_valid vfuncs 2013-11-28 16:49:33 +01:00
intel_i2c.c drm/i915/vlv: split CCK and DDR freq usage 2013-11-05 19:28:47 +01:00
intel_lvds.c drm/i915/lvds: don't restore hw state in the lid notifier for pch platforms 2013-12-02 15:08:41 +01:00
intel_modes.c drm/i915: Add "Automatic" mode for the "Broadcast RGB" property 2013-01-20 13:09:44 +01:00
intel_opregion.c drm/i915: use __packed instead of __attribute__((packed)) 2013-12-03 18:19:49 +01:00
intel_overlay.c drm/i915: use pointer = k[cmz...]alloc(sizeof(*pointer), ...) pattern 2013-10-01 07:45:01 +02:00
intel_panel.c Merge branch 'bdw-fixes' into backlight-rework 2013-11-15 09:44:29 +01:00
intel_pm.c drm/i915: Reorganize FBC function pointer initializaition 2013-12-04 12:09:36 +01:00
intel_ringbuffer.c drm/i915: Add power well arguments to force wake routines. 2013-11-28 08:31:22 +01:00
intel_ringbuffer.h drm/i915: Write RING_TAIL once per-request 2013-09-10 15:35:58 +02:00
intel_sdvo_regs.h drm/i915: use __packed instead of __attribute__((packed)) 2013-12-03 18:19:49 +01:00
intel_sdvo.c drm/i915: Return a drm_mode_status enum in the mode_valid vfuncs 2013-11-28 16:49:33 +01:00
intel_sideband.c drm/i915/vlv: Make the vlv_dpio_read/vlv_dpio_write more PHY centric 2013-11-11 10:57:45 +01:00
intel_sprite.c drm/i915: Enable pipe gamma for sprites 2013-11-21 09:09:37 +01:00
intel_tv.c drm/i915: Rename intel_flush_display_plane to intel_flush_primary_plane 2013-10-10 12:47:02 +02:00
intel_uncore.c drm/i915/vlv: Update Wait for FIFO and wait for 20 free entries. v3 2013-12-04 12:09:37 +01:00
Kconfig i915, fbdev: Fix Kconfig typo 2013-11-21 21:59:02 +01:00
Makefile drm/i915: rename intel_fb.c to intel_fbdev.c 2013-10-11 23:37:33 +02:00