Tvrtko Ursulin 90098efacc drm/i915: Introduce per-engine workarounds ... We stopped re-applying the GT workarounds after engine reset since commit 59b449d5c8 ("drm/i915: Split out functions for different kinds of workarounds"). Issue with this is that some of the GT workarounds live in the MMIO space which gets lost during engine resets. So far the registers in 0x2xxx and 0xbxxx address range have been identified to be affected. This losing of applied workarounds has obvious negative effects and can even lead to hard system hangs (see the linked Bugzilla). Rather than just restoring this re-application, because we have also observed that it is not safe to just re-write all GT workarounds after engine resets (GPU might be live and weird hardware states can happen), we introduce a new class of per-engine workarounds and move only the affected GT workarounds over. Using the framework introduced in the previous patch, we therefore after engine reset, re-apply only the workarounds living in the affected MMIO address ranges. v2: * Move Wa_1406609255:icl to engine workarounds as well. * Rename API. (Chris Wilson) * Drop redundant IS_KABYLAKE. (Chris Wilson) * Re-order engine wa/ init so latest platforms are first. (Rodrigo Vivi) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=107945 Fixes: 59b449d5c8 ("drm/i915: Split out functions for different kinds of workarounds") Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> 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 Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20181203133341.10258-1-tvrtko.ursulin@linux.intel.com (cherry picked from commit 4a15c75c42) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>		2018-12-05 13:50:24 +02:00
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drm	drm/i915: Introduce per-engine workarounds	2018-12-05 13:50:24 +02:00
host1x	gpu: host1x: Detach Host1x from IOMMU DMA domain on arm32	2018-09-26 17:11:14 +02:00
ipu-v3	media: v4l: mediabus: Recognise CSI-2 D-PHY and C-PHY	2018-10-04 16:06:15 -04:00
vga	vga_switcheroo: Fix missing gpu_bound call at audio client registration	2018-11-05 14:56:21 +01:00
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