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9ab57658a6
linux/drivers/gpu/drm/i915
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Sean Paul 9ab57658a6 drm/i915: Fix sha_text population code 
This patch fixes a few bugs:

1- We weren't taking into account sha_leftovers when adding multiple
   ksvs to sha_text. As such, we were or'ing the end of ksv[j - 1] with
   the beginning of ksv[j]

2- In the sha_leftovers == 2 and sha_leftovers == 3 case, bstatus was
   being placed on the wrong half of sha_text, overlapping the leftover
   ksv value

3- In the sha_leftovers == 2 case, we need to manually terminate the
   byte stream with 0x80 since the hardware doesn't have enough room to
   add it after writing M0

The upside is that all of the HDCP supported HDMI repeaters I could
find on Amazon just strip HDCP anyways, so it turns out to be _really_
hard to hit any of these cases without an MST hub, which is not (yet)
supported. Oh, and the sha_leftovers == 1 case works perfectly!

Fixes: ee5e5e7a5e ("drm/i915: Add HDCP framework + base implementation")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.17+
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200818153910.27894-2-sean@poorly.run
(cherry picked from commit 1f0882214f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-09-02 10:48:11 +03:00
..
display drm/i915: Fix sha_text population code 2020-09-02 10:48:11 +03:00
gem treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
gt treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
gvt treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
selftests drm/i915/selftests: Avoid passing a random 0 into ilog2 2020-08-19 15:23:36 +03:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
i915_active_types.h
i915_active.c drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
i915_active.h drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
i915_buddy.c
i915_buddy.h
i915_cmd_parser.c drm/i915: Fix cmd parser desc matching with masks 2020-08-25 11:01:34 +03:00
i915_config.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_debugfs_params.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
i915_debugfs_params.h
i915_debugfs.c drm/i915/dg1: add support for the master unit interrupt 2020-07-14 02:47:19 -07:00
i915_debugfs.h
i915_drv.c drm/i915: Introduce gt_init_mmio 2020-07-08 21:07:13 +01:00
i915_drv.h Linux 5.8-rc6 2020-07-24 08:48:05 +10:00
i915_fixed.h
i915_gem_evict.c drm/i915: Handle idling during i915_gem_evict_something busy loops 2020-05-13 14:39:41 -07:00
i915_gem_gtt.c drm/i915: Update dma-attributes for our sg DMA 2020-07-07 11:00:47 +01:00
i915_gem_gtt.h drm/i915: Remove PIN_UPDATE for i915_vma_pin 2020-05-21 17:33:51 +01:00
i915_gem.c drm/i915: Leave vma intact as they are discarded 2020-06-12 10:13:07 +01:00
i915_gem.h drm/i915: Print caller when tainting for CI 2020-07-06 19:21:07 +01:00
i915_getparam.c drm/i915/sseu: Move sseu_info under gt_info 2020-07-08 21:13:09 +01:00
i915_globals.c
i915_globals.h
i915_gpu_error.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
i915_gpu_error.h drm/i915: Move the engine mask to intel_gt_info 2020-07-08 21:07:11 +01:00
i915_ioc32.c i915 compat ioctl(): just use drm_ioctl_kernel() 2020-05-01 20:35:26 -04:00
i915_ioc32.h
i915_irq.c drm/i915/dg1: Remove SHPD_FILTER_CNT register programming 2020-07-14 02:47:20 -07:00
i915_irq.h
i915_memcpy.c drm/i915: remove always-defined CONFIG_AS_MOVNTDQA 2020-04-09 00:01:59 +09:00
i915_memcpy.h
i915_mm.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
i915_params.c drm/i915: fix a couple of spelling mistakes in kernel parameter help text 2020-06-30 11:30:02 +03:00
i915_params.h drm/i915: Add psr_safest_params 2020-06-04 19:36:48 -07:00
i915_pci.c drm/i915/dg1: add initial DG-1 definitions 2020-07-14 02:47:17 -07:00
i915_perf_types.h drm/i915/perf: Schedule oa_config after modifying the contexts 2020-03-30 18:20:34 +01:00
i915_perf.c drm/i915/perf: Use GTT when saving/restoring engine GPR 2020-07-14 20:31:05 +03:00
i915_perf.h
i915_pmu.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
i915_pmu.h
i915_priolist_types.h drm/i915/gt: Prevent timeslicing into unpreemptable requests 2020-06-16 11:34:23 +03:00
i915_pvinfo.h
i915_query.c drm/i915/sseu: Move sseu_info under gt_info 2020-07-08 21:13:09 +01:00
i915_query.h
i915_reg.h drm/i915/dg1: add support for the master unit interrupt 2020-07-14 02:47:19 -07:00
i915_request.c drm/i915: Skip signaling a signaled request 2020-07-13 17:57:54 +01:00
i915_request.h drm/i915: Mark up inline getters as taking a const i915_request 2020-06-16 21:13:58 +01:00
i915_scatterlist.c
i915_scatterlist.h
i915_scheduler_types.h drm/i915: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_scheduler.c drm/i915: Don't set queue-priority hint when supressing the reschedule 2020-05-25 15:40:26 +03:00
i915_scheduler.h drm/i915: Mark concurrent submissions with a weak-dependency 2020-05-11 10:54:04 -07:00
i915_selftest.h drm/i915/gem: Implement legacy MI_STORE_DATA_IMM 2020-05-04 15:15:04 +01:00
i915_suspend.c
i915_suspend.h
i915_sw_fence_work.c drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence_work.h drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence.c drm/i915: Tidy awaiting on dma-fences 2020-05-11 12:56:45 +01:00
i915_sw_fence.h
i915_switcheroo.c drm/i915/switcheroo: use struct drm_device based logging 2020-04-08 13:49:35 +03:00
i915_switcheroo.h
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c
i915_sysfs.h
i915_trace_points.c
i915_trace.h drm/i915: Drop i915_request.i915 backpointer 2020-06-03 13:53:39 +01:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Don't taint when using fault injection 2020-07-06 19:21:07 +01:00
i915_utils.h drm/i915: Remove unused inline function drain_delayed_work() 2020-07-15 10:16:44 +01:00
i915_vgpu.c
i915_vgpu.h
i915_vma_types.h drm/i915: Export ppgtt_bind_vma 2020-07-03 15:14:35 +01:00
i915_vma.c Linux 5.8-rc6 2020-07-24 08:48:05 +10:00
i915_vma.h drm/i915/gt: Remove local entries from GGTT on suspend 2020-05-28 16:55:15 +01:00
intel_device_info.c drm/i915/dg1: add initial DG-1 definitions 2020-07-14 02:47:17 -07:00
intel_device_info.h drm/i915/dg1: add initial DG-1 definitions 2020-07-14 02:47:17 -07:00
intel_dram.c drm/i915/dram: prefer struct drm_device based logging 2020-04-08 13:49:35 +03:00
intel_dram.h
intel_gvt.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_gvt.h
intel_memory_region.c
intel_memory_region.h
intel_pch.c drm/i915/dg1: Add fake PCH 2020-07-14 02:47:21 -07:00
intel_pch.h drm/i915/dg1: Add fake PCH 2020-07-14 02:47:21 -07:00
intel_pm.c drm/i915: Document FBC related w/as more thoroughly 2020-07-09 16:50:53 +03:00
intel_pm.h drm/i915: Fix includes and local vars order 2020-05-22 14:40:35 +01:00
intel_region_lmem.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_region_lmem.h
intel_runtime_pm.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
intel_runtime_pm.h
intel_sideband.c drm/i915: Added required new PCode commands 2020-05-05 13:59:55 +03:00
intel_sideband.h
intel_uncore.c drm next for 5.9-rc1 2020-08-05 19:50:06 -07:00
intel_uncore.h drm/i915: Use the gt in HAS_ENGINE 2020-07-08 21:07:09 +01:00
intel_wakeref.c drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wakeref.h drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wopcm.c drm/i915: Remove cnl pre-prod workarounds 2020-05-04 18:44:52 +03:00
intel_wopcm.h
Kconfig
Kconfig.debug
Kconfig.profile drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
Kconfig.unstable
Makefile drm/i915: Move sseu debugfs under gt/ 2020-07-08 21:40:15 +01:00
vlv_suspend.c
vlv_suspend.h