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2018-06-12drm/i915/icl: DP_AUX_E is valid on ICL+James Ausmus6-1/+26
Add support for DP_AUX_E. Here we also introduce the bits for the AUX power well E, however ICL power well support is still not enabled yet, so the power well is not used. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: James Ausmus <james.ausmus@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180612002512.29783-2-paulo.r.zanoni@intel.com
2018-06-12drm/i915/icl: fix gmbus gpio pin mappingMahesh Kumar3-7/+11
ICP has GPIO pin 1/2 mapped to combo-phy ports & GPIO pins 9/10/11/12 mapped to tc ports[1-4]. This patch defines GPIOCTL registers for GPIO pins 9-12 & uses them in GPIO pin mapping table. Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Madhav Chauhan <madhav.chauhan@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180612002512.29783-1-paulo.r.zanoni@intel.com
2018-06-12drm/i915/icl: Add DDI HDMI level selection for ICLManasi Navare1-1/+8
This patch adds a proper HDMI DDI entry level for vswing programming sequences on ICL. Spec doesn't specify any default for HDMI tables, so let's pick the last entry as the default for now to stay consistent with older platform like CNL. Cc: Rakshmi Bhatia <rakshmi.bhatia@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-8-paulo.r.zanoni@intel.com
2018-06-12drm/i915/gtt: Make gen6 page directories evictableChris Wilson3-111/+155
Currently all page directories are bound at creation using an unevictable node in the GGTT. This severely limits us as we cannot remove any inactive ppgtt for new contexts, or under aperture pressure. To fix this we need to make the page directory into a first class and unbindable vma. Hence, the creation of a custom vma to wrap the page directory as opposed to a GEM object. In this patch, we leave the page directories pinned upon creation. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180612120446.13901-1-chris@chris-wilson.co.uk
2018-06-12drm/i915/guc: Add support for define guc_log_size in megabytes.Piotr Piorkowski2-0/+14
At this moment we can define GuC logs sizes only using pages. But GuC also allows use for this values expressed in megabytes. Lets add support for define guc_log_size in megabytes when we debug of GuC. v2: - change buffers size to more friendly (Michał Wajdeczko) - merge statements in guc_ctl_log_params_flags() (Michał Wajdeczko) v3: - fix ifdef (rename DRM_I915_DEBUG_GUC to CONFIG_DRM_I915_DEBUG_GUC) (Michał Wajdeczko) - use SZ_* macros to define buffers sizes (Michał Wajdeczko) Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180605151330.9954-2-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Move defines with size of GuC logs to intel_guc_log.hPiotr Piorkowski4-33/+57
At this moment, we have defined GuC logs sizes in intel_guc_fwif.h, but as these values are related directly to the GuC logs, and not to API of GuC parameters, we should move these defines to intel_guc_log.h. v2: - change buffers size to more friendly (Michał Wajdeczko) - remove GUC_LOG_SIZE define (Michał Wajdeczko) v3: - use SZ_* macros to define buffers sizes (Michał Wajdeczko) Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180605151330.9954-1-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Refactoring preparation of the GUC_CTL_CTXINFO parameterPiotr Piorkowski1-10/+18
At the moment, the preparation of GUC_CTL_CTXINFO is disordered. Lets move all GUC_CTL_CTXINFO related operations to one place. v2: - move 'ctxnum' and 'base' declarations to USES_GUC_SUBMISSION case (Michał Wajdeczko) Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-5-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Refactoring preparation of the GUC_CTL_LOG_PARAMS parameterPiotr Piorkowski3-14/+17
At the moment, the preparation of GUC_CTL_LOG_PARAMS is disordered. Additionally, in struct intel_guc_log we have an unnecessary field 'flags' which we use only to assign value to GuC parameter. Lets move all GUC_CTL_LOG_PARAMS related operations to one place, and lets remove field 'flags' from struct intel_guc_log. Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-4-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Refactoring preparation of the GUC_CTL_FEATURE parameterPiotr Piorkowski1-8/+14
At the moment, the preparation of GUC_CTL_FEATURE is disordered. Lets move all GUC_CTL_FEATURE related operations to one place. Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-3-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Refactoring preparation of the GUC_CTL_DEBUG parameterPiotr Piorkowski1-5/+7
At the moment, the preparation of GUC_CTL_DEBUG is disordered. Lets move all GUC_CTL_DEBUG related operations to one place. v2: - move 'ads' declaration to USES_GUC_SUBMISSION case (Michał Wajdeczko) Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-2-piotr.piorkowski@intel.com
2018-06-12drm/i915/guc: Don't store runtime GuC log level in modparamPiotr Piórkowski5-28/+24
Currently we are using modparam as placeholder for GuC log level. Stop doing this and keep runtime GuC level in intel_guc_log struct. v2: - rename functions intel_guc_log_level_[get|set] to intel_guc_log_[get|set]_level (Michał Wajdeczko) - remove GEM_BUG_ON from intel_guc_log_get_level() (Michał Wajdeczko) Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-1-piotr.piorkowski@intel.com
2018-06-12drm/i915/gtt: Onionify error handling for gen6_ppgtt_createChris Wilson1-42/+39
Pull the empty stubs together into the top level gen6_ppgtt_create, and tear each one down on error in proper onion order (rather than use Joonas' pet hate of calling the cleanup function in indeterminable state). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180612081815.3585-2-chris@chris-wilson.co.uk
2018-06-12drm/i915/gtt: Subclass gen6_hw_ppgttChris Wilson3-58/+65
The legacy gen6 ppgtt needs a little more hand holding than gen8+, and so requires a larger structure. As I intend to make this slightly more complicated in the future, separate the gen6 from the core gen8 hw struct by subclassing. This patch moves the gen6 only features out to gen6_hw_ppgtt and pipes the new type everywhere that needs it. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180612081815.3585-1-chris@chris-wilson.co.uk
2018-06-12drm/i915/ringbuffer: Serialize load of PD_DIRChris Wilson3-15/+44
After triggering the mm switch with a load of PD_DIR, which may be deferred unto the MI_SET_CONTEXT on rcs, serialise the next commands with that load by posting a read of PD_DIR (or else those subsequent commands may access the stale page tables). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611171825.13678-2-chris@chris-wilson.co.uk
2018-06-12drm/i915/gtt: Invalidate GGTT caches after writing the gen6 page directoriesChris Wilson1-4/+4
When we update the gen6 ppgtt page directories, we do so by writing the new address into a reserved slot in the GGTT. It appears that when the GPU reads that entry from the gsm, it uses its small cache and that we need to invalidate that cache after writing. We don't see an issue currently as we prefill the ppgtt page directories on creation; and only create the single aliasing_ppgtt long before we start using the GGTT (and so before the cache may have a conflicting entry). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611171825.13678-1-chris@chris-wilson.co.uk
2018-06-11drm/i915/execlists: Avoid putting the error pointerChris Wilson1-4/+2
On allocation error, do not jump to the unwind handler that tries to free the error pointer. Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes: a89d1f921c15 ("drm/i915: Split i915_gem_timeline into individual timelines") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611153332.14824-1-chris@chris-wilson.co.uk
2018-06-11drm/i915: Wrap around the tail offset before setting ring->tailChris Wilson3-8/+24
The HW only accepts offsets within ring->size, and fails peculiarly if the RING_HEAD or RING_TAIL is set to ring->size. Therefore whenever we set ring->head/ring->tail we want to make sure it is within value (using intel_ring_wrap()). v2: Double check execlists as well v3: Remove redundancy with assert_ring_tail_valid() v4: Just assert in intel_ring_reset() rather than be over-defensive. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20180611110845.31890-2-chris@chris-wilson.co.uk
2018-06-11drm/i915/ringbuffer: Fix context restore upon resetChris Wilson8-156/+66
The discovery with trying to enable full-ppgtt was that we were completely failing to the load both the mm and context following the reset. Although we were performing mmio to set the PP_DIR (per-process GTT) and CCID (context), these were taking no effect (the assumption was that this would trigger reload of the context and restore the page tables). It was not until we performed the LRI + MI_SET_CONTEXT in a following context switch would anything occur. Since we are then required to reset the context image and PP_DIR using CS commands, we place those commands into every batch. The hardware should recognise the no-ops and eliminate the expensive context loads, but we still have to pay the cost of using cross-powerwell register writes. In practice, this has no effect on actual context switch times, and only adds a few hundred nanoseconds to no-op switches. We can improve the latter by eliminating the w/a around known no-op switches, but there is an ulterior motive to keeping them. Always emitting the context switch at the beginning of the request (and relying on HW to skip unneeded switches) does have one key advantage. Should we implement request reordering on Haswell, we will not know in advance what the previous executing context was on the GPU and so we would not be able to elide the MI_SET_CONTEXT commands ourselves and always have to emit them. Having our hand forced now actually prepares us for later. Now since that context and mm follow the request, we no longer (and not for a long time since requests took over!) require a trace point to tell when we write the switch into the ring, since it is always. (This is even more important when you remember that simply writing into the ring bears no relation to the current mm.) v2: Sandybridge has to agree to use LRI as well. Testcase: igt/drv_selftests/live_hangcheck Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611110845.31890-1-chris@chris-wilson.co.uk
2018-06-11drm/i915/ringbuffer: Brute force context restoreChris Wilson1-0/+27
An issue encountered with switching mm on gen7 is that the GPU likes to hang (with the VS unit busy) when told to force restore the current context. We can simply workaround this by substituting the MI_FORCE_RESTORE flag with a round-trip through the kernel_context, forcing the context to be saved and restored; thereby reloading the PP_DIR registers and updating the modified page directory! v2: Undo attempted optimisation in caller (Tvrtko) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611104808.24295-1-chris@chris-wilson.co.uk
2018-06-11drm/i915/skl: Add warn about unsupported CDCLK ratesImre Deak1-0/+10
While checking workarounds related to the CDCLK PLL, I noticed that the DMC firmware bits for WA#1183 are missing for SKL. After that I clarified with HW people that it's not needed on SKL, since it doesn't support eDP1.4 which would be the only thing requiring the problematic CDCLK clock rates. So in theory we shouldn't ever choose these frequencies, but add an assert in any case for catching such cases and for documentation. v2: - Move the check to skl_set_cdclk and warn whenever using the corresponding VCO freq. (Ville) v3: - Actually check for the platform. (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608144137.7943-1-imre.deak@intel.com
2018-06-11drm/i915/perf: fix gen11 engine class shiftMichel Thierry1-6/+3
Use the correct engine class shift value while storing the ctx hw id. Fixes the copy+paste error from commit 61d5676b5561 ("drm/i915/perf: fix ctx_id read with GuC & ICL"). Apologies for not spotting this in the original review, the specific_ctx_id_mask is correct, only the specific_ctx_id had this problem. v2: Just use the upper 32 bits of lrc_desc (Chris) v3: If we use the lrc_desc, we must apply the ctx_id_mask too (Lionel) Fixes: 61d5676b5561 ("drm/i915/perf: fix ctx_id read with GuC & ICL") Signed-off-by: Michel Thierry <michel.thierry@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michel Thierry <michel.thierry@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> 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 Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180604233250.609-2-michel.thierry@intel.com
2018-06-11drm/i915/perf: use the lrc_desc to get the ctx hw id in gen8-10Michel Thierry1-1/+4
The upper 32 bits of the lrc_desc (bits 52-32 to be precise) are the context hw id in GEN8-10, so use them and have one less thing to maintain in the unlikely case we change the descriptor sw fields. v2: If we use the lrc_desc, we must apply the ctx_id_mask too (Lionel) Signed-off-by: Michel Thierry <michel.thierry@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180604233250.609-1-michel.thierry@intel.com
2018-06-11drm/i915: Apply batch location restrictions before pinningChris Wilson1-22/+27
We special case the position of the batch within the GTT to prevent negative self-relocation deltas from underflowing. However, that restriction is being applied after a trial pin of the batch in its current position. Thus we are not rejecting an invalid location if the batch has been used before, leading to an assertion if we happen to need to rearrange the entire payload. In the worst case, this may cause a GPU hang on gen7 or perhaps missing state. References: https://bugs.freedesktop.org/show_bug.cgi?id=105720 Fixes: 2889caa92321 ("drm/i915: Eliminate lots of iterations over the execobjects array") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Martin Peres <martin.peres@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180610194325.13467-2-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2018-06-11drm/i915: Refactor unsettting obj->mm.pagesChris Wilson1-31/+37
As i915_gem_object_phys_attach() wants to play dirty and mess around with obj->mm.pages itself (replacing the shmemfs with a DMA allocation), refactor the gubbins so into i915_gem_object_unset_pages() that we don't have to duplicate all the secrets. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611075532.26534-1-chris@chris-wilson.co.uk Link: https://patchwork.freedesktop.org/patch/msgid/152871104647.1718.8796913290418060204@jlahtine-desk.ger.corp.intel.com
2018-06-11drm/i915: Squash GEM load failure message (again)Chris Wilson3-17/+19
Due to a silent conflict (silent because we are trying to fix the CI test that is meant to exercising these failures!) between commit 51e645b6652c ("drm/i915: Mark the GPU as wedged without error on fault injection") and commit 8571a05a9dd0 ("drm/i915: Use GEM suspend when aborting initialisation"), we failed to actually squash the error message after injecting the load failure. Rearrange the code to export i915_load_failure() for better logging of real errors (and quiet logging of injected errors). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180609111058.2660-1-chris@chris-wilson.co.uk
2018-06-11drm/i915: fix PCH_NOP setting for non-PCH platformsJani Nikula1-8/+11
Setting PCH type to PCH_NOP before checking whether we actually have a PCH ends up returning true for HAS_PCH_SPLIT() on all non-PCH split platforms. Fix this by using PCH_NOP only for platforms that actually have a PCH. Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-6-jani.nikula@intel.com
2018-06-11drm/i915: be more strict about HAS_PCH_NOP() usageJani Nikula2-2/+2
HAS_PCH_NOP() implies a PCH platform without south display, not generic disabled display. Prefer num_pipes == 0 for PCH independent checks. Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-5-jani.nikula@intel.com
2018-06-11drm/i915: clean up virtual PCH special case handlingJani Nikula1-7/+6
Use intel_pch_type() also for mapping the no PCH case (PCH id 0) to PCH_NONE to simplify code. Also make sure that intel_pch_type() knows all the PCH ids returned by intel_virt_detect_pch(). Loudly fail if this isn't the case; this shouldn't happen anyway. Cc: Colin Xu <Colin.Xu@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Colin Xu <Colin.Xu@intel.com> Reviewed-by: Colin Xu <Colin.Xu@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-4-jani.nikula@intel.com
2018-06-11drm/i915: document PCH_NOPLucas De Marchi1-1/+1
There's a difference between PCH_NONE and PCH_NOP: the former means we don't have a PCH while in the latter we do, but it doesn't have the south display. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-3-jani.nikula@intel.com
2018-06-11drm/i915: fix guest virtual PCH detection on non-PCH systemsJani Nikula1-1/+1
Virtualized non-PCH systems such as Broxton or Geminilake should use PCH_NONE to indicate no PCH rather than PCH_NOP. The latter is a specific case to indicate a PCH system without south display. Reported-by: Colin Xu <Colin.Xu@intel.com> Cc: Colin Xu <Colin.Xu@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Colin Xu <Colin.Xu@intel.com> Reviewed-by: Colin Xu <Colin.Xu@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-2-jani.nikula@intel.com
2018-06-09drm/i915/gtt: Reorder aliasing_ppgtt finiChris Wilson1-6/+4
To allow ourselves to use a first class vma for the aliasing_ppgtt page directory, we have to reorder the shutdown on module unload to remove and unpin the aliasing_ppgtt before complaining about any objects left in the GGTT. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180609090151.22007-1-chris@chris-wilson.co.uk
2018-06-08drm/i915/gtt: Remove vgpu check for gen6Chris Wilson1-1/+1
Since vgpu is not supported on Haswell or any other gen6/7, we do not need to check and act upon it's enablement. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608150435.15010-2-chris@chris-wilson.co.uk
2018-06-08drm/i915/gtt: Remove redundant hsw_mm_switch()Chris Wilson1-24/+0
hsw_mm_switch() and gen7_mm_switch() are identical, so let's remove the redundant specialism. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608150435.15010-1-chris@chris-wilson.co.uk
2018-06-08drm/i915/gtt: Fix unwind length passed to gen6_ppgtt_clear_rangeChris Wilson1-1/+1
When we want to unwind an error when allocating the PD for gen6, we call gen6_ppgtt_clear_range() telling to clear upto the PD we've previously allocated. However, we passed it an incorrect length, passing it the endpoint instead. Fortunately, as the start was always 0, this has no impact today, but tomorrow we want to start using non-zero origins. Reported-by: Matthew Auld <matthew.william.auld@gmail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180608173221.10455-1-chris@chris-wilson.co.uk
2018-06-08drm/i915: Fix sprite destination colorkeying on SKL+Ville Syrjälä1-3/+61
On SKL+ the dst colorkey must be configured on the lower plane that contains the colorkey. This is in contrast to most earlier platforms where the dst colorkey is configured on the plane above. The hardware will peform dst keying only between two immediately adjacent (in zorder) planes. Plane 2 will be keyed against plane 1, plane 3 againts plane 2, and so on. There is no way to key arbitrary planes against plane 1. Thus offering dst color keying on plane 3+ is pointless. In fact it can be harmful since enabling dst keying on more than one plane on the same pipe leads to only the top-most of the planes performing the keying. For any plane lower in zorder the dst key enable is simply ignored. v2: s/plane 0/plane 1/ etc. since the hw plane names start from 1 Don't break dst colorkey on pre-SKL sprites (hunk ended in the wrong patch) Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180529182804.8571-1-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> #v1
2018-06-08drm/i915: Mark the GPU as wedged without error on fault injectionChris Wilson1-0/+2
If we have been instructed (by CI) to inject a fault to load the module with a wedged GPU, do so quietly less we upset CI. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180607134558.31150-1-chris@chris-wilson.co.uk
2018-06-08drm/i915: Add WaKBLVECSSemaphoreWaitPollMika Kuoppala3-0/+16
There is a problem with kbl up to rev E0 where a heavy memory/fabric traffic from adjacent engine(s) can cause an engine reset to fail. This traffic can be from normal memory accesses or it can be from heavy polling on a semaphore wait. For engine hogging causing a fail, we already fallback to full reset. Which effectively stops all engines and thus we only add a workaround documentation. For the semaphore wait loop poll case, we add one microsecond poll interval to semaphore wait to guarantee bandwidth for the reset preration. The side effect is that we make semaphore completion latencies also 1us longer. v2: Let full reset handle the adjacent engine idling (Chris) v3: Skip render engine (Joonas), please checkpatch on define (Mika) References: https://bugs.freedesktop.org/show_bug.cgi?id=106684 References: VTHSD#2227190, HSDES#1604216706, BSID#0917 Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180607172444.17080-1-mika.kuoppala@linux.intel.com
2018-06-08drm/i915: Cancel reset preparations on failed resetsMika Kuoppala1-5/+9
Our reset handling has a retry layer further up in the chain. As we have told the engine to prepare for reset, and failed it, make sure to remove that preparation so that the next attempted reset has a clean slate by triggering another full prepare cycle for the engines. v2: ret as int, simplified cleanup (Chris) Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180605160357.32591-1-mika.kuoppala@linux.intel.com
2018-06-07drm/i915/gtt: Push allocation to hw ppgtt constructorChris Wilson2-73/+83
In the next patch, we will subclass the gen6 hw_ppgtt. In order, for the two different generations of hw ppgtt stucts to be of different size, push the allocation down to the constructor. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180607163040.9781-1-chris@chris-wilson.co.uk
2018-06-07drm/i915: Decouple vma vfuncs from vmChris Wilson5-48/+66
To allow for future non-object backed vma, we need to be able to specialise the callbacks for binding, et al, the vma. For example, instead of calling vma->vm->bind_vma(), we now call vma->ops->bind_vma(). This gives us the opportunity to later override the operation for a custom vma. v2: flip order of unbind/bind Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180607154047.9171-2-chris@chris-wilson.co.uk
2018-06-07drm/i915: Prepare for non-object vmaChris Wilson4-43/+65
In order to allow ourselves to use VMA to wrap other entities other than GEM objects, we need to allow for the vma->obj backpointer to be NULL. In most cases, we know we are operating on a GEM object and its vma, but we need the core code (such as i915_vma_pin/insert/bind/unbind) to work regardless of the innards. The remaining eyesore here is vma->obj->cache_level and related (but less of an issue) vma->obj->gt_ro. With a bit of care we should mirror those on the vma itself. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180607154047.9171-1-chris@chris-wilson.co.uk
2018-06-07drm/i915: Change i915_gem_fault() to return vm_fault_tChris Wilson2-15/+9
In preparation for vm_fault_t becoming a distinct type, convert the fault handler (i915_gem_fault()) over to the new interface. Based on a patch by Souptick Joarder References: 1c8f422059ae ("mm: change return type to vm_fault_t") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Souptick Joarder <jrdr.linux@gmail.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180606214520.20220-1-chris@chris-wilson.co.uk
2018-06-07drm/i915: Use GEM suspend when aborting initialisationChris Wilson1-2/+6
As part of our GEM initialisation now, we send a request to the hardware in order to record the initial GPU state. This coupled with deferred idle workers, makes aborting on error tricky. We already have the mechanism in place to wait on the GPU and cancel all the deferred workers for suspend, so let's reuse it during the error teardown. It is already used in places for later init error handling, but doing so at this point is slightly ugly due to the mutex dance (it's ok, the module load is still single threaded). Testcase: igt/drv_module_reload/basic-reload-inject Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180606145441.4460-1-chris@chris-wilson.co.uk
2018-06-06drm/i915: Update DRIVER_DATE to 20180606Rodrigo Vivi1-2/+2
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-06-06drm/i915/gtt: Fix typo in fill_px() macroChris Wilson1-2/+2
The macro declared the ppgtt parameter but implicitly used the local vm instead. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180606205128.25952-1-chris@chris-wilson.co.uk
2018-06-06drm/i915: Mark i915.inject_load_failure as being hitChris Wilson1-5/+5
When we reach the magic value and do inject a fault into our module load, mark the module option as being hit. Since we fail from inside pci probe, the module load isn't actually aborted and the module (and parameters) are left lingering. igt can then inspect the parameter on its synchronous completion of modprobe to see if the fault injection was successful, and will keeping on injecting new faults until the module succeeds in loading having surpassed the number of fault points. v2: Reset to 0 after being hit; Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Imre Deak <imre.deak@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180606144153.4244-1-chris@chris-wilson.co.uk
2018-06-05drm/i915/gtt: Rename i915_hw_ppgtt base memberChris Wilson32-390/+390
In the near future, I want to subclass gen6_hw_ppgtt as it contains a few specialised members and I wish to add more. To avoid the ugliness of using ppgtt->base.base, rename the i915_hw_ppgtt base member (i915_address_space) as vm, which is our common shorthand for an i915_address_space local. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180605153758.18422-1-chris@chris-wilson.co.uk
2018-06-05drm/i915/error: Fixup inactive/active countingChris Wilson1-2/+2
The inactive counter was over the active list, and vice versa. Fortuitously this should not cause a problem in practice as they shared the same array and clamped the number of entries they would write. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.william.auld@gmail.com> Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180605160623.30163-1-chris@chris-wilson.co.uk
2018-06-05drm/i915/guc: Don't leak stage descriptor pool on init failureMichal Wajdeczko1-1/+4
In case of failure during GuC clients creation, we forget to cleanup earlier pool allocation. Use proper teardown to fix that. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michal Winiarski <michal.winiarski@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180605120547.16468-1-michal.wajdeczko@intel.com
2018-06-05drm/i915/pmu: Do not assume fixed hrtimer periodTvrtko Ursulin2-20/+55
As Chris has discovered on his Ivybridge, and later automated test runs have confirmed, on most of our platforms hrtimer faced with heavy GPU load can occasionally become sufficiently imprecise to affect PMU sampling calculations. This means we cannot assume sampling frequency is what we asked for, but we need to measure the interval ourselves. This patch is similar to Chris' original proposal for per-engine counters, but instead of introducing a new set to work around the problem with frequency sampling, it swaps around the way internal frequency accounting is done. Instead of accumulating current frequency and dividing by sampling frequency on readout, it accumulates frequency scaled by each period. v2: * Typo in commit message, comment on period calculation and USEC_PER_SEC. (Chris Wilson) Testcase: igt/perf_pmu/*busy* # snb, ivb, hsw Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180605140253.3541-1-tvrtko.ursulin@linux.intel.com
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