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2018-08-27drm/amd/display: Fix memory leak caused by missed dc_sink_releaseSivapiriyanKumarasamy1-1/+5
[Why] There is currently an intermittent hang from a memory leak in DTN stress testing. It is caused by unfreed memory during driver disable. [How] Do a dc_sink_release in the case that skips it incorrectly. Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: fix holding mn_lock while allocating memoryChristian König1-12/+19
We can't hold the mn_lock while allocating memory. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: Power on uvd block when hw_finiRex Zhu1-2/+2
when hw_fini/suspend, smu only need to power on uvd block if uvd pg is supported, don't need to call uvd to do hw_init. v2: fix typo in patch descriptions and comments. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: Update power state at the end of smu hw_init.Rex Zhu2-5/+2
For SI/Kv, the power state is managed by function amdgpu_pm_compute_clocks. when dpm enabled, we should call amdgpu_pm_compute_clocks to update current power state instand of set boot state. this change can fix the oops when kfd driver was enabled on Kv. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: Fix vce initialize failed on Kaveri/MullinsRex Zhu1-15/+26
Forgot to add vce pg support via smu for Kaveri/Mullins. Fixes: 561a5c83eadd ("drm/amd/pp: Unify powergate_uvd/vce/mmhub to set_powergating_by_smu") v2: refine patch descriptions suggested by Michel Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: Enable/disable gfx PG feature in rlc safe modeRex Zhu1-1/+10
This is required by gfx hw and can fix the rlc hang when do s3 stree test on Cz/St. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Hang Zhou <hang.zhou@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27drm/amdgpu: Adjust the VM size based on system memory size v2Felix Kuehling2-5/+29
Set the VM size based on system memory size between the ASIC-specific limits given by min_vm_size and max_bits. GFXv9 GPUs will keep their default VM size of 256TB (48 bit). Only older GPUs will adjust VM size depending on system memory size. This makes more VM space available for ROCm applications on GFXv8 GPUs that want to map all available VRAM and system memory in their SVM address space. v2: * Clarify comment * Round up memory size before >> 30 * Round up automatic vm_size to power of two Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-by: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-24drm/amd/display: Fix bug use wrong pp interfaceRex Zhu1-2/+10
Used wrong pp interface, the original interface is exposed by dpm on SI and paritial CI. Pointed out by Francis David <david.francis@amd.com> v2: dal only need to set min_dcefclk and min_fclk to smu. so use display_clock_voltage_request interface, instand of update all display configuration. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-22drm/amdgpu: Fix page fault and kasan warning on pci device remove.Andrey Grodzovsky4-49/+8
Problem: When executing echo 1 > /sys/class/drm/card0/device/remove kasan warning as bellow and page fault happen because adev->gart.pages already freed by the time amdgpu_gart_unbind is called. BUG: KASAN: user-memory-access in amdgpu_gart_unbind+0x98/0x180 [amdgpu] Write of size 8 at addr 0000000000003648 by task bash/1828 CPU: 2 PID: 1828 Comm: bash Tainted: G W O 4.18.0-rc1-dev+ #29 Hardware name: Gigabyte Technology Co., Ltd. AX370-Gaming/AX370-Gaming-CF, BIOS F3 06/19/2017 Call Trace: dump_stack+0x71/0xab kasan_report+0x109/0x390 amdgpu_gart_unbind+0x98/0x180 [amdgpu] ttm_tt_unbind+0x43/0x60 [ttm] ttm_bo_move_ttm+0x83/0x1c0 [ttm] ttm_bo_handle_move_mem+0xb97/0xd00 [ttm] ttm_bo_evict+0x273/0x530 [ttm] ttm_mem_evict_first+0x29c/0x360 [ttm] ttm_bo_force_list_clean+0xfc/0x210 [ttm] ttm_bo_clean_mm+0xe7/0x160 [ttm] amdgpu_ttm_fini+0xda/0x1d0 [amdgpu] amdgpu_bo_fini+0xf/0x60 [amdgpu] gmc_v8_0_sw_fini+0x36/0x70 [amdgpu] amdgpu_device_fini+0x2d0/0x7d0 [amdgpu] amdgpu_driver_unload_kms+0x6a/0xd0 [amdgpu] drm_dev_unregister+0x79/0x180 [drm] amdgpu_pci_remove+0x2a/0x60 [amdgpu] pci_device_remove+0x5b/0x100 device_release_driver_internal+0x236/0x360 pci_stop_bus_device+0xbf/0xf0 pci_stop_and_remove_bus_device_locked+0x16/0x30 remove_store+0xda/0xf0 kernfs_fop_write+0x186/0x220 __vfs_write+0xcc/0x330 vfs_write+0xe6/0x250 ksys_write+0xb1/0x140 do_syscall_64+0x77/0x1e0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f66ebbb32c0 Fix: Split gmc_v{6,7,8,9}_0_gart_fini to postpone amdgpu_gart_fini to after memory managers are shut down since gart unbind happens as part of this procedure Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-22amdgpu: fix multi-process hang issueEmily Deng1-1/+2
SWDEV-146499: hang during multi vulkan process testing cause: the second frame's PREAMBLE_IB have clear-state and LOAD actions, those actions ruin the pipeline that is still doing process in the previous frame's work-load IB. fix: need insert pipeline sync if have context switch for SRIOV (because only SRIOV will report PREEMPTION flag to UMD) Signed-off-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-22drm/amdgpu: fix preamble handlingChristian König1-7/+9
At this point the command submission can still be interrupted. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-22drm/amdgpu: fix VM clearing for the root PDChristian König1-1/+1
We need to figure out the address after validating the BO, not before. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amd/display: Don't build DCN1 when kcov is enabledLeo (Sunpeng) Li1-5/+3
DCN1 contains code that utilizes fp math. When CONFIG_KCOV_INSTRUMENT_ALL and CONFIG_KCOV_ENABLE_COMPARISONS are enabled, build errors are found. See this earlier patch for details: https://lists.freedesktop.org/archives/dri-devel/2018-August/186131.html As a short term solution, disable CONFIG_DRM_AMD_DC_DCN1_0 when KCOV_INSTRUMENT_ALL and KCOV_ENABLE_COMPARISONS are enabled. In addition, make it a fully derived config, taking into account CONFIG_X86. Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21Revert "drm/amdgpu/display: Replace CONFIG_DRM_AMD_DC_DCN1_0 with CONFIG_X86"Leo (Sunpeng) Li26-58/+64
This reverts commit 8624c3c4dbfe24fc6740687236a2e196f5f4bfb0. We need CONFIG_DRM_AMD_DC_DCN1_0 to guard code that is using fp math. Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amdgpu/display: disable eDP fast boot optimization on DCE8Alex Deucher1-1/+7
Seems to cause blank screens. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106940 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amdgpu: fix amdgpu_amdkfd_remove_eviction_fence v3Christian König1-57/+46
Fix quite a number of bugs here. Unfortunately only compile tested. v2: fix copy&paste error v3: fix 80 chars issue in comment Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amdgpu: fix incorrect use of drm_file->pidChristian König1-15/+4
That's the PID of the creator of the file (usually the X server) and not the end user of the file. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> CC: stable@vger.kernel.org
2018-08-21drm/amdgpu: fix incorrect use of fcheckChristian König1-1/+3
The usage isn't RCU protected. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> CC: stable@vger.kernel.org
2018-08-21drm/powerplay: enable dpm under pass-throughYintian Tao1-1/+3
Repeat enable dpm under pass-through because there is no actually hardware-fini and real power-off when guest vm shutdown or reboot. Otherwise, under pass-through it will be failed to populate populate and upload SCLK MCLK DPM levels due to zero of pcie_speed_table.count. Signed-off-by: Yintian Tao <yttao@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amdgpu: access register without KIQYintian Tao1-2/+2
there is no need to access register such as mmSMC_IND_INDEX_11 and mmSMC_IND_DATA_11 through KIQ because they are VF-copy. Signed-off-by: Yintian Tao <yttao@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amdgpu: set correct base for THM/NBIF/MP1 IPEvan Quan1-0/+3
Set correct address base for vega20. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amd/display: fix dentist did rangesDmytro Laktyushkin1-2/+8
Dentist did ranges were incomplete as max setting has an unusual divider step up of 66. Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amd/display: make dp_ss_off optionalDmytro Laktyushkin2-3/+4
dp_ss_off flag doesn't need to be set, so we create a link_init function if it is needed by an asic Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amd/display: fix dp_ss_control vbios flag parsingDmytro Laktyushkin1-1/+1
dp_ss_control = 0 means ss is off, we had a typo where we would double not dp_ss_control while setting dp_ss_off flag Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-21drm/amd/display: Do not retain link settingsSamson Tam1-2/+13
Do not retrain link settings if lane count and link rate are both unknown. Causes driver to be stuck reading VBIOS register after removing emulated connection. Signed-off-by: Samson Tam <Samson.Tam@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-16drm/amdgpu: Use kvmalloc for allocating UVD/VCE/VCN BO backup memoryMichel Dänzer3-8/+8
The allocated size can be (at least?) as large as megabytes, and there's no need for it to be physically contiguous. May avoid spurious failures to initialize / suspend the corresponding block while there's memory pressure. Bugzilla: https://bugs.freedesktop.org/107432 Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-15drm/i915: set DP Main Stream Attribute for color range on DDI platformsJani Nikula2-0/+5
Since Haswell we have no color range indication either in the pipe or port registers for DP. Instead, there's a separate register for setting the DP Main Stream Attributes (MSA) directly. The MSA register definition makes no references to colorimetry, just a vague reference to the DP spec. The connection to the color range was lost. Apparently we've failed to set the proper MSA bit for limited, or CEA, range ever since the first DDI platforms. We've started setting other MSA parameters since commit dae847991a43 ("drm/i915: add intel_ddi_set_pipe_settings"). Without the crucial bit of information, the DP sink has no way of knowing the source is actually transmitting limited range RGB, leading to "washed out" colors. With the colorimetry information, compliant sinks should be able to handle the limited range properly. Native (i.e. non-LSPCON) HDMI was not affected because we do pass the color range via AVI infoframes. Though not the root cause, the problem was made worse for DDI platforms with commit 55bc60db5988 ("drm/i915: Add "Automatic" mode for the "Broadcast RGB" property"), which selects limited range RGB automatically based on the mode, as per the DP, HDMI and CEA specs. After all these years, the fix boils down to flipping one bit. [Per testing reports, this fixes DP sinks, but not the LSPCON. My educated guess is that the LSPCON fails to turn the CEA range MSA into AVI infoframes for HDMI.] Reported-by: Michał Kopeć <mkopec12@gmail.com> Reported-by: N. W. <nw9165-3201@yahoo.com> Reported-by: Nicholas Stommel <nicholas.stommel@gmail.com> Reported-by: Tom Yan <tom.ty89@gmail.com> Tested-by: Nicholas Stommel <nicholas.stommel@gmail.com> References: https://bugs.freedesktop.org/show_bug.cgi?id=100023 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107476 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=94921 Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: <stable@vger.kernel.org> # v3.9+ Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180814060001.18224-1-jani.nikula@intel.com (cherry picked from commit dc5977da99ea28094b8fa4e9bacbd29bedc41de5) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-08-15drm/i915/selftests: Hold rpm for unparkingChris Wilson1-6/+14
The call to i915_gem_unpark() checks that we hold a rpm wakeref before taking a long term wakeref for i915->gt.awake. We should therefore make sure we do hold the wakeref when directly calling unpark to disable the retire worker. Fixes: 932cac10c8fb ("drm/i915/selftests: Prevent background reaping of active objects") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180809063449.4474-1-chris@chris-wilson.co.uk (cherry picked from commit 7b5ee80a5da3ea44c5abff48e3621135ae9d8177) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-08-15drm/i915: Restore user forcewake domains across suspendChris Wilson3-21/+28
On suspend, we cancel the automatic forcewake and clear all other sources of forcewake so the machine can sleep before we do suspend. However, we expose the forcewake to userspace (only via debugfs, but nevertheless we do) and want to restore that upon resume or else our accounting will be off and we may not acquire the forcewake before we use it. So record which domains we cleared on suspend and reacquire them early on resume. v2: Hold the spinlock to appease our sanitychecks v3: s/fw_domains_user/fw_domains_saved/ to convey intent more clearly Reported-by: Imre Deak <imre.deak@linux.intel.com> Fixes: b8473050805f ("drm/i915: Fix forcewake active domain tracking") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Imre Deak <imre.deak@linux.intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180808210842.3555-1-chris@chris-wilson.co.uk (cherry picked from commit d60996ab430c8a6033a0944c068edc5ec5becb9b) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-08-15drm/i915: Unmask user interrupts writes into HWSP on snb/ivb/vlv/hswChris Wilson1-2/+12
An oddity occurs on Sandybridge, Ivybridge and Haswell (and presumably Valleyview) in that for the period following the GPU restart after a reset, there are no GT interrupts received. From Ville's notes, bit 0 in the HWSTAM corresponds to the render interrupt, and if we unmask it we do see immediate resumption of GT interrupt delivery (via the master irq handler) after the reset. v2: Limit the w/a to the render interrupt from rcs Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107500 Fixes: c5498089463b ("drm/i915: Mask everything in ring HWSTAM on gen6+ in ringbuffer mode") References: d420a50c21ef ("drm/i915: Clean up the HWSTAM mess") Testcase: igt/gem_eio/reset-stress Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180808105101.913-2-chris@chris-wilson.co.uk (cherry picked from commit a4a717010f4e8cacaa3f0cae8a22f25c39ae1d41) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-08-14drm/i915/gvt: fix memory leak in intel_vgpu_ioctl()Yi Wang1-2/+6
The 'sparse' variable may leak when return in function intel_vgpu_ioctl(), and this patch fix this. Signed-off-by: Yi Wang <wang.yi59@zte.com.cn> Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-14drm/i915/gvt: Off by one in intel_vgpu_write_fence()Dan Carpenter1-1/+1
The > should be >= here so that we don't read one element beyond the end of the array. Fixes: 28a60dee2ce6 ("drm/i915/gvt: vGPU HW resource management") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-14drm/i915/kvmgt: Fix potential Spectre v1Gustavo A. R. Silva1-1/+8
info.index can be indirectly controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability. This issue was detected with the help of Smatch: drivers/gpu/drm/i915/gvt/kvmgt.c:1232 intel_vgpu_ioctl() warn: potential spectre issue 'vgpu->vdev.region' [r] Fix this by sanitizing info.index before indirectly using it to index vgpu->vdev.region Notice that given that speculation windows are large, the policy is to kill the speculation on the first load and not worry if it can be completed with a dependent load/store [1]. [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-14drm/i915/gvt: return error on cmd accessZhao Yan1-1/+1
If a register is not cmd accessible, should not just print error message. Return error here so as not to deliver this cmd. v2: return -EBADRQC to align with return value elsewhere. (kevin tian) Signed-off-by: Zhao Yan <yan.y.zhao@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-14drm/i915/gvt: initialize dmabuf mutex in vgpu_createHang Yuan2-1/+1
Currently, the mutex used in GVT dmabuf support is not initialized until vgpu device is opened. If one vgpu device is opened and then removed, the mutex will be used in vgpu remove operation without initialization. This patch initializes the mutex in vgpu create operation to avoid the problem. Fixes: e546e281d33d("drm/i915/gvt: Dmabuf support for GVT-g") Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-14drm/i915/gvt: fix cleanup sequence in intel_gvt_clean_deviceHang Yuan1-8/+6
Create one vGPU and then unbind IGD device from i915 driver. The following oops will happen. This patch will free vgpu resource first and then gvt resource to remove these oops. BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 PGD 80000003c9d2c067 P4D 80000003c9d2c067 PUD 3c817c067 P MD 0 Oops: 0002 [#1] SMP PTI RIP: 0010:down_write+0x1b/0x40 Call Trace: debugfs_remove_recursive+0x46/0x1a0 intel_gvt_debugfs_remove_vgpu+0x15/0x30 [i915] intel_gvt_destroy_vgpu+0x2d/0xf0 [i915] intel_vgpu_remove+0x2c/0x30 [kvmgt] mdev_device_remove_ops+0x23/0x50 [mdev] mdev_device_remove+0xdb/0x190 [mdev] mdev_device_remove+0x190/0x190 [mdev] device_for_each_child+0x47/0x90 mdev_unregister_device+0xd5/0x120 [mdev] intel_gvt_clean_device+0x91/0x120 [i915] i915_driver_unload+0x9d/0x120 [i915] i915_pci_remove+0x15/0x20 [i915] pci_device_remove+0x3b/0xc0 device_release_driver_internal+0x157/0x230 unbind_store+0xfc/0x150 kernfs_fop_write+0x10f/0x180 __vfs_write+0x36/0x180 ? common_file_perm+0x41/0x130 ? _cond_resched+0x16/0x40 vfs_write+0xb3/0x1a0 ksys_write+0x52/0xc0 do_syscall_64+0x55/0x100 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle kernel NULL pointer dereference at 0 000000000000038 PGD 8000000405bce067 P4D 8000000405bce067 PUD 405bcd067 PM D 0 Oops: 0000 [#1] SMP PTI RIP: 0010:hrtimer_active+0x5/0x40 Call Trace: hrtimer_try_to_cancel+0x25/0x120 ? tbs_sched_clean_vgpu+0x1f/0x50 [i915] hrtimer_cancel+0x15/0x20 intel_gvt_destroy_vgpu+0x4c/0xf0 [i915] intel_vgpu_remove+0x2c/0x30 [kvmgt] mdev_device_remove_ops+0x23/0x50 [mdev] mdev_device_remove+0xdb/0x190 [mdev] ? mdev_device_remove+0x190/0x190 [mdev] device_for_each_child+0x47/0x90 mdev_unregister_device+0xd5/0x120 [mdev] intel_gvt_clean_device+0x89/0x120 [i915] i915_driver_unload+0x9d/0x120 [i915] i915_pci_remove+0x15/0x20 [i915] pci_device_remove+0x3b/0xc0 device_release_driver_internal+0x157/0x230 unbind_store+0xfc/0x150 kernfs_fop_write+0x10f/0x180 __vfs_write+0x36/0x180 ? common_file_perm+0x41/0x130 ? _cond_resched+0x16/0x40 vfs_write+0xb3/0x1a0 ksys_write+0x52/0xc0 do_syscall_64+0x55/0x100 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: bc7b0be316ae("drm/i915/gvt: Add basic debugfs infrastructure") Fixes: afe04fbe6c52("drm/i915/gvt: create an idle vGPU") Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-13drm/amd/display: Guard against null crtc in CRC IRQNicholas Kazlauskas1-2/+8
[Why] A null pointer deference can occur if crtc is null in amdgpu_dm_crtc_handle_crc_irq. This can happen if get_crtc_by_otg_inst returns NULL during dm_crtc_high_irq, leading to a hang in some IGT test cases. [How] Check that CRTC is non-null before accessing its fields. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amd/display: Pass connector id when executing VBIOS CTMikita Lipski1-2/+2
[why] Older ASICs require both phys_id and connector_id to execute bios command table. If we are not passing the right connector_id - it can lead to a black screen. [how] Set connector_obj_id when executing vbios command table Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amd/display: Check if clock source in use before disablingMikita Lipski3-15/+40
[why] We are disabling clock source while other pipes are still using it, because we don't verify the number of pipes that share it. [how] - Adding a function in resources to return the number of pipes sharing the clock source. - Checking that no one is sharing the clock source before disabling Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amd/display: Allow clock sharing b/w HDMI and DVIMikita Lipski1-2/+2
[why] HDMI and DVI share the same PHY clock and single link DVI and HDMI both use 4 lanes, so they should be allowed to be sharing the same clock source if all other parameters are satisfied. [how] Change a check for general DVI to Dual DVI. Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amd/display: Fix warning observed in mode change on VegaJerry (Fangzhi) Zuo1-1/+1
[Why] DOUBLE_BUFFER_EN bit is getting cleared before enable blanking. That leads to CRTC_BLANK_DATA_EN is getting updated immediately. [How] Get DOUBLE_BUFFER_EN bit set, the same as DCE110. Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amd/display: fix single link DVI has no displayCharlene Liu1-0/+2
Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amdgpu/vce: VCE entity initialization relies on ring initializtionEmily Deng5-10/+34
Entity init should after ring init, as the entity's sched_rq's initialization is in ring init. SWDEV-161495 Signed-off-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amdgpu/uvd: UVD entity initialization relys on ring initializationEmily Deng6-9/+39
Entity init should after ring init, as the entity's sched_rq's initialization is in ring init. SWDEV-161495 Signed-off-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-13drm/amdgpu:add VCN booting with firmware loaded by PSPLikun Gao2-16/+41
Setup psp firmware loading for VCN, and make VCN block booting from tmr mac address. Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amdgpu:add VCN support in PSP driverLikun Gao1-0/+3
Add VCN support in PSP driver Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amdgpu:add new firmware id for VCNLikun Gao1-0/+1
Add the new firmware id for VCN into the enum Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amdgpu: update tmr mc addressJames Zhu1-0/+5
Update tmr mc address with firmware loading address which is returned from PSP firmware Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/amdgpu:add tmr mc address into amdgpu_firmware_infoJames Zhu1-0/+3
amdgpu IP blocks booting need Trust Memory Region(tmr) mc address of its firmware which is loaded by PSP Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Likun Gao <likun.gao@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-08-13drm/i915/gvt: free workload in vgpu releaseHang Yuan6-7/+32
Some workloads may be prepared in vgpu's queue but not be scheduled to run yet. If vgpu is released at this time, they will not be freed in workload complete callback and so need to be freed in vgpu release operation. Add new vgpu_release operation in gvt_ops to stop vgpu and release runtime resources. gvt_ops vgpu_deactivate operation will only stop vgpu. v2: add new gvt ops to clean vgpu running status (Xiong Zhang) Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com> Reviewed-by: Xiong Zhang <xiong.y.zhang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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