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2020-09-23drm/i915: Filter wake_flags passed to default_wake_functionChris Wilson1-3/+7
commit 20612303a0b45de748d31331407e84300c38e497 upstream. (NOTE: This is the minimal backportable fix, a full fix is being developed at https://patchwork.freedesktop.org/patch/388048/) The flags passed to the wait_entry.func are passed onwards to try_to_wake_up(), which has a very particular interpretation for its wake_flags. In particular, beyond the published WF_SYNC, it has a few internal flags as well. Since we passed the fence->error down the chain via the flags argument, these ended up in the default_wake_function confusing the kernel/sched. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2110 Fixes: ef4688497512 ("drm/i915: Propagate fence errors") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: <stable@vger.kernel.org> # v5.4+ Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200728152144.1100-1-chris@chris-wilson.co.uk Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> [Joonas: Rebased and reordered into drm-intel-gt-next branch] [Joonas: Added a note and link about more complete fix] Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit f4b3c395540aa3d4f5a6275c5bdd83ab89034806) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-23drm/mediatek: Add missing put_device() call in mtk_hdmi_dt_parse_pdata()Yu Kuai1-8/+18
[ Upstream commit 0680a622318b8d657323b94082f4b9a44038dfee ] if of_find_device_by_node() succeed, mtk_drm_kms_init() doesn't have a corresponding put_device(). Thus add jump target to fix the exception handling for this function implementation. Fixes: 8f83f26891e1 ("drm/mediatek: Add HDMI support") Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-23drm/mediatek: Add exception handing in mtk_drm_probe() if component init failYu Kuai1-1/+6
[ Upstream commit 64c194c00789889b0f9454f583712f079ba414ee ] mtk_ddp_comp_init() is called in a loop in mtk_drm_probe(), if it fail, previous successive init component is not proccessed. Thus uninitialize valid component and put their device if component init failed. Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/msm: Disable the RPTR shadowJordan Crouse6-27/+43
[ Upstream commit f6828e0c4045f03f9cf2df6c2a768102641183f4 ] Disable the RPTR shadow across all targets. It will be selectively re-enabled later for targets that need it. Cc: stable@vger.kernel.org Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/msm/gpu: make ringbuffer readonlyRob Clark1-1/+2
[ Upstream commit 352c83fb39cae3eff95a8e1ed23006291abb6196 ] The GPU has no business writing into the ringbuffer, let's make it readonly to the GPU. Fixes: 7198e6b03155 ("drm/msm: add a3xx gpu support") Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/msm: Disable preemption on all 5xx targetsJordan Crouse1-1/+2
commit 7b3f3948c8b7053d771acc9f79810cc410f5e2e0 upstream. Temporarily disable preemption on a5xx targets pending some improvements to protect the RPTR shadow from being corrupted. Cc: stable@vger.kernel.org Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17drm/tve200: Stabilize enable/disableLinus Walleij1-1/+21
commit f71800228dc74711c3df43854ce7089562a3bc2d upstream. The TVE200 will occasionally print a bunch of lost interrupts and similar dmesg messages, sometimes during boot and sometimes after disabling and coming back to enablement. This is probably because the hardware is left in an unknown state by the boot loader that displays a logo. This can be fixed by bringing the controller into a known state by resetting the controller while enabling it. We retry reset 5 times like the vendor driver does. We also put the controller into reset before de-clocking it and clear all interrupts before enabling the vblank IRQ. This makes the video enable/disable/enable cycle rock solid on the D-Link DIR-685. Tested extensively. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200820203144.271081-1-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17drm/i915/gvt: do not check len & max_len for lriYan Zhao1-12/+0
commit dbafc67307ec06036b25b223a251af03fe07969a upstream. lri ususally of variable len and far exceeding 127 dwords. Fixes: 00a33be40634 ("drm/i915/gvt: Add valid length check for MI variable commands") Signed-off-by: Yan Zhao <yan.y.zhao@intel.com> Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200304095121.21609-1-yan.y.zhao@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17drm/amdgpu: Fix bug in reporting voltage for CIKSandeep Raghuraman1-1/+2
[ Upstream commit d98299885c9ea140c1108545186593deba36c4ac ] On my R9 390, the voltage was reported as a constant 1000 mV. This was due to a bug in smu7_hwmgr.c, in the smu7_read_sensor() function, where some magic constants were used in a condition, to determine whether the voltage should be read from PLANE2_VID or PLANE1_VID. The VDDC mask was incorrectly used, instead of the VDDGFX mask. This patch changes the code to use the correct defined constants (and apply the correct bitshift), thus resulting in correct voltage reporting. Signed-off-by: Sandeep Raghuraman <sandy.8925@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/sun4i: backend: Disable alpha on the lowest plane on the A20Maxime Ripard1-1/+0
[ Upstream commit 5e2e2600a3744491a8b49b92597c13b693692082 ] Unlike we previously thought, the per-pixel alpha is just as broken on the A20 as it is on the A10. Remove the quirk that says we can use it. Fixes: dcf496a6a608 ("drm/sun4i: sun4i: Introduce a quirk for lowest plane alpha support") Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200728134810.883457-2-maxime@cerno.tech Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/sun4i: backend: Support alpha property on lowest planeMaxime Ripard1-2/+1
[ Upstream commit e359c70462d2a82aae80274d027351d38792dde6 ] Unlike what we previously thought, only the per-pixel alpha is broken on the lowest plane and the per-plane alpha isn't. Remove the check on the alpha property being set on the lowest plane to reject a mode. Fixes: dcf496a6a608 ("drm/sun4i: sun4i: Introduce a quirk for lowest plane alpha support") Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200728134810.883457-1-maxime@cerno.tech Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/sun4i: Fix dsi dcs long write functionOndrej Jirman1-2/+2
[ Upstream commit fd90e3808fd2c207560270c39b86b71af2231aa1 ] It's writing too much data. regmap_bulk_write expects number of register sized chunks to write, not a byte sized length of the bounce buffer. Bounce buffer needs to be padded too, so that regmap_bulk_write will not read past the end of the buffer. Fixes: 133add5b5ad4 ("drm/sun4i: Add Allwinner A31 MIPI-DSI controller support") Signed-off-by: Ondrej Jirman <megous@megous.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net> Link: https://patchwork.freedesktop.org/patch/msgid/20200828125032.937148-1-megous@megous.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-17drm/sun4i: add missing put_device() call in sun8i_r40_tcon_tv_set_mux()Yu Kuai1-2/+6
[ Upstream commit 07b5b12d97dc9f47ff3dff46c4f944a15bd762e5 ] If sun8i_r40_tcon_tv_set_mux() succeed, sun8i_r40_tcon_tv_set_mux() doesn't have a corresponding put_device(). Thus add put_device() to fix the exception handling for this function implementation. Fixes: 0305189afb32 ("drm/sun4i: tcon: Add support for R40 TCON") Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20200826010826.1785487-1-yukuai3@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/amd/pm: avoid false alarm due to confusing softwareshutdowntemp settingEvan Quan1-2/+12
commit 971df65cbf32da9bc9af52c1196ca504dd316086 upstream. Normally softwareshutdowntemp should be greater than Thotspotlimit. However, on some VEGA10 ASIC, the softwareshutdowntemp is 91C while Thotspotlimit is 105C. This seems not right and may trigger some false alarms. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-09drm/amd/display: Fix memleak in amdgpu_dm_mode_config_initDinghao Liu1-2/+8
[ Upstream commit b67a468a4ccef593cd8df6a02ba3d167b77f0c81 ] When amdgpu_display_modeset_create_props() fails, state and state->context should be freed to prevent memleak. It's the same when amdgpu_dm_audio_init() fails. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/amd/display: Retry AUX write when fail occursWayne Lin1-1/+1
[ Upstream commit ef67d792a2fc578319399f605fbec2f99ecc06ea ] [Why] In dm_dp_aux_transfer() now, we forget to handle AUX_WR fail cases. We suppose every write wil get done successfully and hence some AUX commands might not sent out indeed. [How] Check if AUX_WR success. If not, retry it. Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in ↵Furquan Shaikh1-0/+2
amdgpu_dm_update_backlight_caps [ Upstream commit 5896585512e5156482335e902f7c7393b940da51 ] In `amdgpu_dm_update_backlight_caps()`, there is a local `amdgpu_dm_backlight_caps` object that is filled in by `amdgpu_acpi_get_backlight_caps()`. However, this object is uninitialized before the call and hence the subsequent check for aux_support can fail since it is not initialized by `amdgpu_acpi_get_backlight_caps()` as well. This change initializes this local `amdgpu_dm_backlight_caps` object to 0. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Furquan Shaikh <furquan@google.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/amd/display: Reject overlay plane configurations in multi-display scenariosNicholas Kazlauskas1-0/+8
[ Upstream commit 168f09cdadbd547c2b202246ef9a8183da725f13 ] [Why] These aren't stable on some platform configurations when driving multiple displays, especially on higher resolution. In particular the delay in asserting p-state and validating from x86 outweights any power or performance benefit from the hardware composition. Under some configurations this will manifest itself as extreme stutter or unresponsiveness especially when combined with cursor movement. [How] Disable these for now. Exposing overlays to userspace doesn't guarantee that they'll be able to use them in any and all configurations and it's part of the DRM contract to have userspace gracefully handle validation failures when they occur. Valdiation occurs as part of DC and this in particular affects RV, so disable this in dcn10_global_validation. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/omap: fix incorrect lock stateTomi Valkeinen1-1/+2
[ Upstream commit 7fd5b25499bcec157dd4de9a713425efcf4571cd ] After commit 92cc68e35863c1c61c449efa2b2daef6e9926048 ("drm/vblank: Use spin_(un)lock_irq() in drm_crtc_vblank_on()") omapdrm locking is broken: WARNING: inconsistent lock state 5.8.0-rc2-00483-g92cc68e35863 #13 Tainted: G W -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. swapper/0/0 [HC1[1]:SC0[0]:HE0:SE1] takes: ea98222c (&dev->event_lock#2){?.+.}-{2:2}, at: drm_handle_vblank+0x4c/0x520 [drm] {HARDIRQ-ON-W} state was registered at: trace_hardirqs_on+0x9c/0x1ec _raw_spin_unlock_irq+0x20/0x58 omap_crtc_atomic_enable+0x54/0xa0 [omapdrm] drm_atomic_helper_commit_modeset_enables+0x218/0x270 [drm_kms_helper] omap_atomic_commit_tail+0x48/0xc4 [omapdrm] commit_tail+0x9c/0x190 [drm_kms_helper] drm_atomic_helper_commit+0x154/0x188 [drm_kms_helper] drm_client_modeset_commit_atomic+0x228/0x268 [drm] drm_client_modeset_commit_locked+0x60/0x1d0 [drm] drm_client_modeset_commit+0x24/0x40 [drm] drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xa8 [drm_kms_helper] drm_fb_helper_set_par+0x2c/0x5c [drm_kms_helper] drm_fb_helper_hotplug_event.part.0+0xa0/0xbc [drm_kms_helper] drm_kms_helper_hotplug_event+0x24/0x30 [drm_kms_helper] output_poll_execute+0x1a8/0x1c0 [drm_kms_helper] process_one_work+0x268/0x800 worker_thread+0x30/0x4e0 kthread+0x164/0x190 ret_from_fork+0x14/0x20 The reason for this is that omapdrm calls drm_crtc_vblank_on() while holding event_lock taken with spin_lock_irq(). It is not clear why drm_crtc_vblank_on() and drm_crtc_vblank_get() are called while holding event_lock. I don't see any problem with moving those calls outside the lock, which is what this patch does. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200819103021.440288-1-tomi.valkeinen@ti.com Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/msm/a6xx: fix gmu start on newer firmwareDmitry Baryshkov1-1/+11
[ Upstream commit f5749d6181fa7df5ae741788e5d96f593d3a60b6 ] New Qualcomm firmware has changed a way it reports back the 'started' event. Support new register values. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/msm: enable vblank during atomic commitsRob Clark1-0/+36
[ Upstream commit 43906812eaab06423f56af5cca9a9fcdbb4ac454 ] This has roughly the same effect as drm_atomic_helper_wait_for_vblanks(), basically just ensuring that vblank accounting is enabled so that we get valid timestamp/seqn on pageflip events. Signed-off-by: Rob Clark <robdclark@chromium.org> Tested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/msm: add shutdown support for display platform_driverKrishna Manikandan1-0/+8
[ Upstream commit 9d5cbf5fe46e350715389d89d0c350d83289a102 ] Define shutdown callback for display drm driver, so as to disable all the CRTCS when shutdown notification is received by the driver. This change will turn off the timing engine so that no display transactions are requested while mmu translations are getting disabled during reboot sequence. Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org> Changes in v2: - Remove NULL check from msm_pdev_shutdown (Stephen Boyd) - Change commit text to reflect when this issue was uncovered (Sai Prakash Ranjan) Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-09drm/msm/dpu: Fix scale params in plane validationKalyan Thota1-2/+2
[ Upstream commit 4c978caf08aa155bdeadd9e2d4b026d4ce97ebd0 ] Plane validation uses an API drm_calc_scale which will return src/dst value as a scale ratio. when viewing the range on a scale the values should fall in as Upscale ratio < Unity scale < Downscale ratio for src/dst formula Fix the min and max scale ratios to suit the API accordingly. Signed-off-by: Kalyan Thota <kalyan_t@codeaurora.org> Tested-by: Kristian H. Kristensen <hoegsberg@google.com> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-05drm/etnaviv: fix TS cache flushing on GPUs with BLT engineLucas Stach2-5/+57
commit f232d9ec029ce3e2543b05213e2979e01e503408 upstream. As seen in the Vivante kernel driver, most GPUs with the BLT engine have a broken TS cache flush. The workaround is to temporarily set the BLT command to CLEAR_IMAGE, without actually executing the clear. Apparently this state change is enough to trigger the required TS cache flush. As the BLT engine is completely asychronous, we also need a few more stall states to synchronize the flush with the frontend. Root-caused-by: Jonathan Marek <jonathan@marek.ca> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Cc: Walter Lozano <walter.lozano@collabora.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-05drm/sched: Fix passing zero to 'PTR_ERR' warning v2Andrey Grodzovsky1-2/+5
commit d7c5782acd354bdb5ed0fa10e1e397eaed558390 upstream. Fix a static code checker warning. v2: Drop PTR_ERR_OR_ZERO. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Walter Lozano <walter.lozano@collabora.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/i915: Fix cmd parser desc matching with masksMika Kuoppala1-4/+10
[ Upstream commit e5f10d6385cda083037915c12b130887c8831d2b ] Our variety of defined gpu commands have the actual command id field and possibly length and flags applied. We did start to apply the mask during initialization of the cmd descriptors but forgot to also apply it on comparisons. Fix comparisons in order to properly deny access with associated commands. v2: fix lri with correct mask (Chris) References: 926abff21a8f ("drm/i915/cmdparser: Ignore Length operands during command matching") Reported-by: Nicolai Stange <nstange@suse.de> Cc: stable@vger.kernel.org # v5.4+ Cc: Miroslav Benes <mbenes@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Jon Bloomfield <jon.bloomfield@intel.com> Cc: Chris Wilson <chris.p.wilson@intel.com> 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/20200817195926.12671-1-mika.kuoppala@linux.intel.com (cherry picked from commit 3b4efa148da36f158cce3f662e831af2834b8e0f) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/pm: correct the thermal alert temperature limit settingsEvan Quan3-24/+21
commit 28e628645333b7e581c4a7b04d958e4804ea10fe upstream. Do the maths in celsius degree. This can fix the issues caused by the changes below: drm/amd/pm: correct Vega20 swctf limit setting drm/amd/pm: correct Vega12 swctf limit setting drm/amd/pm: correct Vega10 swctf limit setting Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amd/pm: correct Vega20 swctf limit settingEvan Quan1-2/+4
commit 9b51c4b2ba31396f3894ccc7df8bdf067243e9f5 upstream. Correct the Vega20 thermal swctf limit. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amd/pm: correct Vega12 swctf limit settingEvan Quan1-2/+4
commit e0ffd340249699ad27a6c91abdfa3e89f7823941 upstream. Correct the Vega12 thermal swctf limit. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amd/pm: correct Vega10 swctf limit settingEvan Quan1-2/+5
commit b05d71b51078fc428c6b72582126d9d75d3c1f4c upstream. Correct the Vega10 thermal swctf limit. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1267 Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amd/powerplay: Fix hardmins not being sent to SMU for RVNicholas Kazlauskas1-6/+3
commit e2bf3723db563457c0abe4eaeedac25bbbbd1d76 upstream. [Why] DC uses these to raise the voltage as needed for higher dispclk/dppclk and to ensure that we have enough bandwidth to drive the displays. There's a bug preventing these from actuially sending messages since it's checking the actual clock (which is 0) instead of the incoming clock (which shouldn't be 0) when deciding to send the hardmin. [How] Check the clocks != 0 instead of the actual clocks. Fixes: 9ed9203c3ee7 ("drm/amd/powerplay: rv dal-pplib interface refactor powerplay part") Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amdgpu/gfx10: refine mgcg settingJiansong Chen1-4/+2
commit de7a1b0b8753e1b0000084f0e339ffab295d27ef upstream. 1. enable ENABLE_CGTS_LEGACY to fix specviewperf11 random hang. 2. remove obsolete RLC_CGTT_SCLK_OVERRIDE workaround. Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amdgpu: Fix buffer overflow in INFO ioctlAlex Deucher1-0/+4
commit b5b97cab55eb71daba3283c8b1d2cce456d511a1 upstream. The values for "se_num" and "sh_num" come from the user in the ioctl. They can be in the 0-255 range but if they're more than AMDGPU_GFX_MAX_SE (4) or AMDGPU_GFX_MAX_SH_PER_SE (2) then it results in an out of bounds read. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03drm/amd/display: Switch to immediate mode for updating infopacketsAnthony Koo2-8/+22
[ Upstream commit abba907c7a20032c2d504fd5afe3af7d440a09d0 ] [Why] Using FRAME_UPDATE will result in infopacket to be potentially updated one frame late. In commit stream scenarios for previously active stream, some stale infopacket data from previous config might be erroneously sent out on initial frame after stream is re-enabled. [How] Switch to using IMMEDIATE_UPDATE mode Signed-off-by: Anthony Koo <Anthony.Koo@amd.com> Reviewed-by: Ashley Thomas <Ashley.Thomas2@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/powerplay: correct UVD/VCE PG state on custom pptable uploadingEvan Quan1-6/+0
[ Upstream commit 2c5b8080d810d98e3e59617680218499b17c84a1 ] The UVD/VCE PG state is managed by UVD and VCE IP. It's error-prone to assume the bootup state in SMU based on the dpm status. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/powerplay: correct Vega20 cached smu feature stateEvan Quan1-19/+19
[ Upstream commit 266d81d9eed30f4994d76a2b237c63ece062eefe ] Correct the cached smu feature state on pp_features sysfs setting. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/msm/adreno: fix updating ring fenceRob Clark1-1/+1
[ Upstream commit f228af11dfa1d1616bc67f3a4119ab77c36181f1 ] We need to set it to the most recent completed fence, not the most recent submitted. Otherwise we have races where we think we can retire submits that the GPU is not finished with, if the GPU doesn't manage to overwrite the seqno before we look at it. This can show up with hang recovery if one of the submits after the crashing submit also hangs after it is replayed. Fixes: f97decac5f4c ("drm/msm: Support multiple ringbuffers") Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/display: Fix dmesg warning from setting abm levelStylon Wang1-0/+23
[ Upstream commit c5892a10218214d729699ab61bad6fc109baf0ce ] [Why] Setting abm level does not correctly update CRTC state. As a result no surface update is added to dc stream state and triggers warning. [How] Correctly update CRTC state when setting abm level property. CC: Stable <stable@vger.kernel.org> Signed-off-by: Stylon Wang <stylon.wang@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Eryk Brol <eryk.brol@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/display: Add additional config guards for DCNAurabindo Pillai1-2/+4
[ Upstream commit e10517b3cb93f90c8a790def6ae884d1e2b65ee7 ] [Why&How] Fix build error by protecting code with config guard to enable building amdgpu without CONFIG_DRM_AMD_DC_DCN enabled. This option is disabled by default for allmodconfig. Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/display: Trigger modesets on MST DSC connectorsMikita Lipski1-0/+33
[ Upstream commit 44be939ff7ac5858f0dbd8a2a4af1fe198e14db1 ] Whenever a connector on an MST network is attached, detached, or undergoes a modeset, the DSC configs for each stream on that topology will be recalculated. This can change their required bandwidth, requiring a full reprogramming, as though a modeset was performed, even if that stream did not change timing. Therefore, whenever a crtc has drm_atomic_crtc_needs_modeset, for each crtc that shares a MST topology with that stream and supports DSC, add that crtc (and all affected connectors and planes) to the atomic state and set mode_changed on its state v2: Do this check only on Navi and before adding connectors and planes on modesetting crtcs v3: Call the drm_dp_mst_add_affected_dsc_crtcs() to update all affected CRTCs Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: David Francis <David.Francis@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/ingenic: Fix incorrect assumption about plane->indexPaul Cercueil1-1/+1
[ Upstream commit ca43f274e03f91c533643299ae4984965ce03205 ] plane->index is NOT the index of the color plane in a YUV frame. Actually, a YUV frame is represented by a single drm_plane, even though it contains three Y, U, V planes. v2-v3: No change Cc: stable@vger.kernel.org # v5.3 Fixes: 90b86fcc47b4 ("DRM: Add KMS driver for the Ingenic JZ47xx SoCs") Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-1-paul@crapouillou.net Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03gpu/drm: ingenic: Use the plane's src_[x,y] to configure DMA lengthPaul Cercueil1-2/+2
[ Upstream commit 52e4607dace1eeeb2e012fca291dc4e6cb449bff ] Instead of obtaining the width/height of the framebuffer from the CRTC state, obtain it from the current plane state. v2: No change Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://patchwork.freedesktop.org/patch/msgid/20191210144142.33143-3-paul@crapouillou.net # *** extracted tags *** Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/xen-front: Fix misused IS_ERR_OR_NULL checksOleksandr Andrushchenko3-7/+7
[ Upstream commit 14dee058610446aa464254fc5c8e88c7535195e0 ] The patch c575b7eeb89f: "drm/xen-front: Add support for Xen PV display frontend" from Apr 3, 2018, leads to the following static checker warning: drivers/gpu/drm/xen/xen_drm_front_gem.c:140 xen_drm_front_gem_create() warn: passing zero to 'ERR_CAST' drivers/gpu/drm/xen/xen_drm_front_gem.c 133 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev, 134 size_t size) 135 { 136 struct xen_gem_object *xen_obj; 137 138 xen_obj = gem_create(dev, size); 139 if (IS_ERR_OR_NULL(xen_obj)) 140 return ERR_CAST(xen_obj); Fix this and the rest of misused places with IS_ERR_OR_NULL in the driver. Fixes: c575b7eeb89f: "drm/xen-front: Add support for Xen PV display frontend" Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200813062113.11030-3-andr2000@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/xen: fix passing zero to 'PTR_ERR' warningDing Xiang1-1/+1
[ Upstream commit 4c1cb04e0e7ac4ba1ef5457929ef9b5671d9eed3 ] Fix a static code checker warning: drivers/gpu/drm/xen/xen_drm_front.c:404 xen_drm_drv_dumb_create() warn: passing zero to 'PTR_ERR' Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1585562347-30214-1-git-send-email-dingxiang@cmss.chinamobile.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/nouveau: Fix reference count leak in nouveau_connector_detectAditya Pakki1-1/+3
[ Upstream commit 990a1162986e8eff7ca18cc5a0e03b4304392ae2 ] nouveau_connector_detect() calls pm_runtime_get_sync and in turn increments the reference count. In case of failure, decrement the ref count before returning the error. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/nouveau: fix reference count leak in nv50_disp_atomic_commitAditya Pakki1-1/+3
[ Upstream commit a2cdf39536b0d21fb06113f5e16692513d7bcb9c ] nv50_disp_atomic_commit() calls calls pm_runtime_get_sync and in turn increments the reference count. In case of failure, decrement the ref count before returning the error. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_openAditya Pakki1-1/+3
[ Upstream commit bfad51c7633325b5d4b32444efe04329d53297b2 ] nouveau_fbcon_open() calls calls pm_runtime_get_sync() that increments the reference count. In case of failure, decrement the ref count before returning the error. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync failsNavid Emamdoost1-4/+12
[ Upstream commit f79f94765f8c39db0b7dec1d335ab046aac03f20 ] The call to pm_runtime_get_sync increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_configNavid Emamdoost1-2/+3
[ Upstream commit e008fa6fb41544b63973a529b704ef342f47cc65 ] in amdgpu_display_crtc_set_config, the call to pm_runtime_get_sync increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03drm/amd/display: fix ref count leak in amdgpu_drm_ioctlNavid Emamdoost1-1/+2
[ Upstream commit 5509ac65f2fe5aa3c0003237ec629ca55024307c ] in amdgpu_drm_ioctl the call to pm_runtime_get_sync increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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