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[PATCH 0/6] Fix TLB invalidate issues with Broadwell
by Mauro Carvalho Chehab 24 Jun '22

24 Jun '22

i915 selftest hangcheck is causing the i915 driver timeouts, as reported by Intel CI bot: http://gfx-ci.fi.intel.com/cibuglog-ng/issuefilterassoc/24297?query_key=42a… When such test runs, the only output is: [ 68.811639] i915: Performing live selftests with st_random_seed=0xe138eac7 st_timeout=500 [ 68.811792] i915: Running hangcheck [ 68.811859] i915: Running intel_hangcheck_live_selftests/igt_hang_sanitycheck [ 68.816910] i915 0000:00:02.0: [drm] Cannot find any crtc or sizes … [View More][ 68.841597] i915: Running intel_hangcheck_live_selftests/igt_reset_nop [ 69.346347] igt_reset_nop: 80 resets [ 69.362695] i915: Running intel_hangcheck_live_selftests/igt_reset_nop_engine [ 69.863559] igt_reset_nop_engine(rcs0): 709 resets [ 70.364924] igt_reset_nop_engine(bcs0): 903 resets [ 70.866005] igt_reset_nop_engine(vcs0): 659 resets [ 71.367934] igt_reset_nop_engine(vcs1): 549 resets [ 71.869259] igt_reset_nop_engine(vecs0): 553 resets [ 71.882592] i915: Running intel_hangcheck_live_selftests/igt_reset_idle_engine [ 72.383554] rcs0: Completed 16605 idle resets [ 72.884599] bcs0: Completed 18641 idle resets [ 73.385592] vcs0: Completed 17517 idle resets [ 73.886658] vcs1: Completed 15474 idle resets [ 74.387600] vecs0: Completed 17983 idle resets [ 74.387667] i915: Running intel_hangcheck_live_selftests/igt_reset_active_engine [ 74.889017] rcs0: Completed 747 active resets [ 75.174240] intel_engine_reset(bcs0) failed, err:-110 [ 75.174301] bcs0: Completed 525 active resets After that, the machine just silently hangs. Bisecting the issue, the patch that introduced the regression is: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store") Reverting it fix the issues, but introduce other problems, as TLB won't be invalidated anymore. So, instead, let's fix the root cause. It turns that the TLB flush logic ends conflicting with i915 reset, which is called during selftest hangcheck. So, the TLB cache should be serialized, but other TLB fix patches are required for this one to work. Tested on an Intel NUC5i7RYB with an i7-5557U Broadwell CPU. Chris Wilson (6): drm/i915/gt: Ignore TLB invalidations on idle engines drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations drm/i915/gt: Skip TLB invalidations once wedged drm/i915/gt: Only invalidate TLBs exposed to user manipulation drm/i915/gt: Serialize GRDOM access between multiple engine resets drm/i915/gt: Serialize TLB invalidates with GT resets drivers/gpu/drm/i915/gem/i915_gem_pages.c | 10 +++--- drivers/gpu/drm/i915/gt/intel_gt.c | 43 +++++++++++++++++++---- drivers/gpu/drm/i915/gt/intel_gt_pm.h | 3 ++ drivers/gpu/drm/i915/gt/intel_reset.c | 37 ++++++++++++++----- drivers/gpu/drm/i915/i915_vma.c | 3 +- 5 files changed, 75 insertions(+), 21 deletions(-) -- 2.36.1 [View Less]

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[PATCH v3 0/3] drm/doc/rfc: i915 VM_BIND feature design + uapi
by Niranjana Vishwanathapura 24 Jun '22

24 Jun '22

This is the i915 driver VM_BIND feature design RFC patch series along with the required uapi definition and description of intended use cases. v2: Reduce the scope to simple Mesa use case. Remove all compute related uapi, vm_bind/unbind queue support and only support a timeline out fence instead of an in/out timeline fence array. v3: Expand documentation on dma-resv usage, TLB flushing, execbuf3 and VM_UNBIND. Add FENCE_VALID and TLB_FLUSH flags. Signed-off-by: Niranjana … [View More]

4 17

[PATCH v11 00/24] drm/rockchip: RK356x VOP2 support
by Sascha Hauer 24 Jun '22

24 Jun '22

It's v11 time. There's only one small change to v10. Discussion seems to have settled now. Is there anything left that prevents the series from being merged? I'd really like to have it in during the next merge window. This series still depends on: drm/rockchip: Refactor IOMMU initialisation (https://lists.freedesktop.org/archives/dri-devel/2022-April/349548.html) arm64: dts: rockchip: add basic dts for the radxa rock3 model a Sascha Changes since v10: - relax mode_valid hook rather than … [View More]dropping it in hdmi driver Changes since v9: - rebase on v5.18-rc1 - Do not register windows which don't have its own framebuffer on RK3566 - fix mixed up register writes in vop2_setup_dly_for_windows() - move call to rockchip_drm_dma_attach_device() from vop2_bind() to vop2_enable() - Fix zpos handling Changes since v8: - make hclk_vo a critical clock instead of enabling it in the hdmi driver - Fix vop2_setup_layer_mixer(), reported by Andy Yan - Limit planes possible_crtcs to actually existing crtcs - simplify vop2_create_crtc() a bit Changes since v7: - rename hclk to niu Changes since v6: - Move of_graph parsing out of runtime code to initialization Changes since v5: - Add new patch to fix dw-hdmi of_graph binding - Drop "drm/encoder: Add of_graph port to struct drm_encoder" and solve issue internally in the driver - make checkpatch cleaner Changes since v4: - Reorder patches in a way that binding/dts/driver patches are closer together - Drop clk patches already applied by Heiko Changes since v3: - added changelog to each patch - Add 4k support to hdmi driver - rebase on v5.17-rc1 Changes since v2: - Add pin names to HDMI supply pin description - Add hclk support to HDMI driver - Dual license rockchip-vop2 binding, update binding - Add HDMI connector to board dts files - drop unnecessary gamma_lut registers from vop2 - Update dclk_vop[012] clock handling, no longer hacks needed - Complete regmap conversion Changes since v1: - drop all unnecessary waiting for frames within atomic modeset and plane update - Cluster subwin support removed - gamma support removed - unnecessary irq_lock removed - interrupt handling simplified - simplified zpos handling - drop is_alpha_support(), use fb->format->has_alpha instead - use devm_regulator_get() rather than devm_regulator_get_optional() for hdmi regulators - Use fixed number of planes per video port - Drop homegrown regmap code from vop2 driver (not complete yet) - Add separate include file for vop2 driver to not pollute the vop include Andy Yan (1): drm: rockchip: Add VOP2 driver Benjamin Gaignard (1): dt-bindings: display: rockchip: dw-hdmi: Add compatible for rk3568 HDMI Douglas Anderson (2): drm/rockchip: dw_hdmi: Use auto-generated tables drm/rockchip: dw_hdmi: Set cur_ctr to 0 always Michael Riesch (2): arm64: dts: rockchip: enable vop2 and hdmi tx on quartz64a arm64: dts: rockchip: enable vop2 and hdmi tx on rock-3a Nickey Yang (1): drm/rockchip: dw_hdmi: add default 594Mhz clk for 4K@60hz Sascha Hauer (17): clk: rk3568: Mark hclk_vo as critical drm/rockchip: Embed drm_encoder into rockchip_decoder drm/rockchip: Add crtc_endpoint_id to rockchip_encoder drm/rockchip: dw_hdmi: rename vpll clock to reference clock dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name arm64: dts: rockchip: rk3399: rename HDMI ref clock to 'ref' drm/rockchip: dw_hdmi: add rk3568 support drm/rockchip: dw_hdmi: add regulator support dt-bindings: display: rockchip: dw-hdmi: Add regulator support drm/rockchip: dw_hdmi: relax mode_valid hook dt-bindings: display: rockchip: dw-hdmi: Make unwedge pinctrl optional arm64: dts: rockchip: rk356x: Add VOP2 nodes arm64: dts: rockchip: rk356x: Add HDMI nodes arm64: dts: rockchip: rk3568-evb: Enable VOP2 and hdmi drm/rockchip: Make VOP driver optional dt-bindings: display: rockchip: Add binding for VOP2 dt-bindings: display: rockchip: dw-hdmi: fix ports description .../display/rockchip/rockchip,dw-hdmi.yaml | 46 +- .../display/rockchip/rockchip-vop2.yaml | 140 + arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 +- .../boot/dts/rockchip/rk3566-quartz64-a.dts | 47 + arch/arm64/boot/dts/rockchip/rk3566.dtsi | 4 + .../boot/dts/rockchip/rk3568-evb1-v10.dts | 47 + .../boot/dts/rockchip/rk3568-rock-3a.dts | 47 + arch/arm64/boot/dts/rockchip/rk3568.dtsi | 4 + arch/arm64/boot/dts/rockchip/rk356x.dtsi | 83 + drivers/clk/rockchip/clk-rk3568.c | 1 + drivers/gpu/drm/rockchip/Kconfig | 14 + drivers/gpu/drm/rockchip/Makefile | 4 +- .../gpu/drm/rockchip/analogix_dp-rockchip.c | 32 +- drivers/gpu/drm/rockchip/cdn-dp-core.c | 18 +- drivers/gpu/drm/rockchip/cdn-dp-core.h | 2 +- .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 17 +- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 257 +- drivers/gpu/drm/rockchip/inno_hdmi.c | 32 +- drivers/gpu/drm/rockchip/rk3066_hdmi.c | 34 +- drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 36 +- drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 20 +- drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 2 + drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 15 + drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 2706 +++++++++++++++++ drivers/gpu/drm/rockchip/rockchip_drm_vop2.h | 477 +++ drivers/gpu/drm/rockchip/rockchip_lvds.c | 26 +- drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 281 ++ include/dt-bindings/soc/rockchip,vop2.h | 14 + 28 files changed, 4235 insertions(+), 173 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml create mode 100644 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c create mode 100644 drivers/gpu/drm/rockchip/rockchip_drm_vop2.h create mode 100644 drivers/gpu/drm/rockchip/rockchip_vop2_reg.c create mode 100644 include/dt-bindings/soc/rockchip,vop2.h -- 2.30.2 [View Less]

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[PATCH] drm/exynos: replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi
by hongao 24 Jun '22

24 Jun '22

Once EDID is parsed, the monitor HDMI support information is available through drm_display_info.is_hdmi. This driver calls drm_detect_hdmi_monitor() to receive the same information, which is less efficient. Avoid calling drm_detect_hdmi_monitor() and use drm_display_info.is_hdmi instead. Signed-off-by: hongao <hongao(a)uniontech.com> --- drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/… [View More]

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[PATCH v5 0/3] drm/doc/rfc: i915 VM_BIND feature design + uapi
by Niranjana Vishwanathapura 24 Jun '22

24 Jun '22

2 5

DMA-buf and uncached system memory
by Christian König 24 Jun '22

24 Jun '22

Hi guys, we are currently working an Freesync and direct scan out from system memory on AMD APUs in A+A laptops. On problem we stumbled over is that our display hardware needs to scan out from uncached system memory and we currently don't have a way to communicate that through DMA-buf. For our specific use case at hand we are going to implement something driver specific, but the question is should we have something more generic for this? After all the system memory access pattern is a … [View More]

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[PATCH 0/3] drm: Test for primary plane in new drm_atomic_helper_check_crtc_state()
by Thomas Zimmermann 24 Jun '22

24 Jun '22

Provide drm_atomic_helper_check_crtc_state() for validating a CRTC state against common constraints. As many CRTC need a primary plane to work correctly, add this as the first test. The simple-KMS helpers already contain related code. Convert it to the new helper. Also add this test to ast. The simple-kms changes were tested with simpledrm. The ast changes were tested in AST2300 hardware. Thomas Zimmermann (3): drm/atomic-helper: Add helper drm_atomic_helper_check_crtc_state() drm/simple-… [View More]

2 4

[RFC] Per file OOM-badness / RSS once more
by Christian König 24 Jun '22

24 Jun '22

Hello everyone, To summarize the issue I'm trying to address here: Processes can allocate resources through a file descriptor without being held responsible for it. I'm not explaining all the details again. See here for a more deeply description of the problem: https://lwn.net/ml/linux-kernel/20220531100007.174649-1-christian.koenig@am… With this iteration I'm trying to address a bunch of the comments Michal Hocko (thanks a lot for that) gave as well as giving some new ideas. Changes made … [View More]

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[PATCH] drm/ast: Fix black screen when getting out of suspend
by Jocelyn Falempe 24 Jun '22

24 Jun '22

With an AST2600, the screen is garbage when going out of suspend. This is because color settings are lost, and not restored on resume. Force the color settings on DPMS_ON, to make sure the settings are correct. I didn't write this code, it comes from the out-of-tree aspeed driver v1.13 https://www.aspeedtech.com/support_driver/ Signed-off-by: Jocelyn Falempe <jfalempe(a)redhat.com> Tested-by: Venkat Tadikonda <venkateswara.rao(a)intel.com> --- drivers/gpu/drm/ast/ast_mode.c | 13 +… [View More]

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[PATCH] drm/rockchip: vop: Don't crash for invalid duplicate_state()
by Brian Norris 24 Jun '22

24 Jun '22

It's possible for users to try to duplicate the CRTC state even when the state doesn't exist. drm_atomic_helper_crtc_duplicate_state() (and other users of __drm_atomic_helper_crtc_duplicate_state()) already guard this with a WARN_ON() instead of crashing, so let's do that here too. Signed-off-by: Brian Norris <briannorris(a)chromium.org> --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/… [View More]

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