Commit Graph

1075555 Commits

Author SHA1 Message Date
Maxime Ripard
8c2d9bf5cb
drm/omap: plane: Remove redundant color encoding and range initialisation
The omap KMS driver will call drm_plane_create_color_properties() with
a default encoding and range values of BT601 and Full Range,
respectively.

Since the initial value wasn't carried over in the state, the driver had
to set it again in omap_plane_reset(). However, the helpers have been
adjusted to set it properly at reset, so this is not needed anymore.

Reviewed-by: Tomi Valkeinen <tomba@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-23-maxime@cerno.tech
2022-02-25 17:57:23 +01:00
Dave Stevenson
9a48ab1171
drm/object: Add default color encoding and range value at reset
The drm_plane_create_color_properties() function asks for an initial
value for the color encoding and range, and will set the associated
plane state variable with that value if a state is present.

However, that function is usually called at a time where there's no
state yet. Since the drm_plane_state reset helper doesn't take care of
reading that value when it's called, it means that in most cases the
initial value will be 0 (so DRM_COLOR_YCBCR_BT601 and
DRM_COLOR_YCBCR_LIMITED_RANGE, respectively), or the drivers will have
to work around it.

Let's add some code in __drm_atomic_helper_plane_state_reset() to get
the initial encoding and range value if the property has been attached
in order to fix this.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-19-maxime@cerno.tech
2022-02-25 17:57:14 +01:00
Maxime Ripard
e4fff65fdb
drm/sun4i: layer: Remove redundant zpos initialisation
The sun4i KMS driver will call drm_plane_create_zpos_property() with an
init value depending on the plane type.

Since the initial value wasn't carried over in the state, the driver had
to set it again in sun4i_backend_layer_reset().
However, the helpers have been adjusted to set it properly at reset, so
this is not needed anymore.

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@lists.linux.dev
Cc: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-18-maxime@cerno.tech
2022-02-25 17:57:10 +01:00
Maxime Ripard
67f0f2e430
drm/sti: plane: Remove redundant zpos initialisation
The sti KMS driver will call drm_plane_create_zpos_property() with an
init value depending on the plane type.

Since the initial value wasn't carried over in the state, the driver had
to set it again in sti_plane_reset().
However, the helpers have been adjusted to set it properly at reset, so
this is not needed anymore.

Reviewed-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@foss.st.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-17-maxime@cerno.tech
2022-02-25 17:57:05 +01:00
Maxime Ripard
dad911d3c4
drm/rcar: plane: Remove redundant zpos initialisation
The rcar-du KMS driver will call drm_plane_create_zpos_property() with an
init value depending on the plane type.

Since the initial value wasn't carried over in the state, the driver had
to set it again in rcar_du_plane_reset() and rcar_du_vsp_plane_reset().
However, the helpers have been adjusted to set it properly at reset, so
this is not needed anymore.

Cc: linux-renesas-soc@vger.kernel.org
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-16-maxime@cerno.tech
2022-02-25 17:57:01 +01:00
Maxime Ripard
84352ed2b0
drm/omap: plane: Remove redundant zpos initialisation
The omap KMS driver will call drm_plane_create_zpos_property() with an
init value of the plane index and the plane type.

Since the initial value wasn't carried over in the state, the driver had
to set it again in omap_plane_reset(). However, the helpers have been
adjusted to set it properly at reset, so this is not needed anymore.

Reviewed-by: Tomi Valkeinen <tomba@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-15-maxime@cerno.tech
2022-02-25 17:56:55 +01:00
Maxime Ripard
ef0a04a010
drm/nouveau/kms: Remove redundant zpos initialisation
The nouveau KMS driver will call drm_plane_create_zpos_property() with
an init value depending on the plane purpose.

Since the initial value wasn't carried over in the state, the driver had
to set it again in nv50_wndw_reset(). However, the helpers have been
adjusted to set it properly at reset, so this is not needed anymore.

Cc: nouveau@lists.freedesktop.org
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-14-maxime@cerno.tech
2022-02-25 17:56:48 +01:00
Maxime Ripard
c228cb343a
drm/msm/mdp5: Remove redundant zpos initialisation
The mdp KMS driver will call drm_plane_create_zpos_property() with an
init value depending on the plane purpose.

Since the initial value wasn't carried over in the state, the driver had
to set it again in mdp5_plane_reset(). However, the helpers have been
adjusted to set it properly at reset, so this is not needed anymore.

Cc: freedreno@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Sean Paul <sean@poorly.run>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-13-maxime@cerno.tech
2022-02-25 17:56:38 +01:00
Dave Stevenson
1a7998dab5
drm/object: Add default zpos value at reset
The drm_plane_create_zpos_property() function asks for an initial value,
and will set the associated plane state variable with that value if a
state is present.

However, that function is usually called at a time where there's no
state yet. Since the drm_plane_state reset helper doesn't take care of
reading that value when it's called, it means that in most cases the
initial value will be 0, or the drivers will have to work around it.

Let's add some code in __drm_atomic_helper_plane_state_reset() to get
the initial zpos value if the property has been attached in order to fix
this.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-8-maxime@cerno.tech
2022-02-25 17:56:16 +01:00
Dave Stevenson
adf47b7529
drm/object: Add drm_object_property_get_default_value() function
Some functions to create properties (drm_plane_create_zpos_property or
drm_plane_create_color_properties for example) will ask for a range of
acceptable value and an initial one.

This initial value is then stored in the values array for that property.

Let's provide an helper to access this property.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-7-maxime@cerno.tech
2022-02-25 17:55:42 +01:00
Maxime Ripard
f6e63222c0
drm/omap: plane: Fix zpos initial value mismatch
While the omap_plane_init() function calls
drm_plane_create_zpos_property() with an initial value of 0,
omap_plane_reset() will force it to another value depending on the plane
type.

Fix the discrepancy by setting the initial zpos value to the same value
in the drm_plane_create_zpos_property() call.

Reviewed-by: Tomi Valkeinen <tomba@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221095918.18763-5-maxime@cerno.tech
2022-02-25 17:55:12 +01:00
Yifan Zhang
111aeed25e drm/amdgpu: add gfxoff support for smu 13.0.5
this patch adds gfxoff support for smu 13.0.5

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-25 11:51:18 -05:00
Yifan Zhang
cefbe72496 drm/amd/pm: refine smu 13.0.5 pp table code
Based on smu 13.0.5 features, refine pp table code.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-25 11:51:18 -05:00
Jagan Teki
80253168db
drm: of: Lookup if child node has panel or bridge
Devices can also be child nodes when we also control that device
through the upstream device (ie, MIPI-DCS for a MIPI-DSI device).

drm_of_find_panel_or_bridge can lookup panel or bridge for a given
device has port and endpoint and it fails to lookup if the device
has a child nodes.

This patch add support to lookup for a child node of the given parent
that isn't either port or ports.

Example OF graph representation of DSI host, which has port but
not has ports and has child panel node.

dsi {
	compatible = "allwinner,sun6i-a31-mipi-dsi";
	#address-cells = <1>;
	#size-cells = <0>;

	port {
		dsi_in_tcon0: endpoint {
			remote-endpoint = <tcon0_out_dsi>;
	};

	panel@0 {
		reg = <0>;
	};
};

Example OF graph representation of DSI host, which has ports but
not has port and has child panel node.

dsi {
        compatible = "samsung,exynos5433-mipi-dsi";
        #address-cells = <1>;
        #size-cells = <0>;

	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		port@0 {
			reg = <0>;

                	dsi_to_mic: endpoint {
                        	remote-endpoint = <&mic_to_dsi>;
                	};
                };
        };

        panel@0 {
                reg = <0>;
        };
};

Example OF graph representation of DSI host, which has neither a port
nor a ports but has child panel node.

dsi0 {
	compatible = "ste,mcde-dsi";
	#address-cells = <1>;
	#size-cells = <0>;

	panel@0 {
		reg = <0>;
	};
};

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202160414.16493-1-jagan@amarulasolutions.com
2022-02-25 17:08:37 +01:00
Rob Clark
9e4dde28e9 drm/msm: Avoid dirtyfb stalls on video mode displays (v2)
Someone on IRC once asked an innocent enough sounding question:  Why
with xf86-video-modesetting is es2gears limited at 120fps.

So I broke out the perfetto tracing mesa MR and took a look.  It turns
out the problem was drm_atomic_helper_dirtyfb(), which would end up
waiting for vblank.. es2gears would rapidly push two frames to Xorg,
which would blit them to screen and in idle hook (I assume) call the
DIRTYFB ioctl.  Which in turn would do an atomic update to flush the
dirty rects, which would stall until the next vblank.  And then the
whole process would repeat.

But this is a bit silly, we only need dirtyfb for command mode DSI
panels.  So track in plane state whether dirtyfb is required, and
track in the fb how many attached planes require dirtyfb so that we
can skip it when not required.  (Note, mdp4 does not actually have
cmd mode support.)

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220223191118.881321-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-02-25 07:59:58 -08:00
Matthew Auld
8fbf28934a drm/i915/ttm: fixup the mock_bo
When running the mock selftests we currently blow up with:

<6> [299.836278] i915: Running i915_gem_huge_page_mock_selftests/igt_mock_memory_region_huge_pages
<1> [299.836356] BUG: kernel NULL pointer dereference, address: 00000000000000c8
<1> [299.836361] #PF: supervisor read access in kernel mode
<1> [299.836364] #PF: error_code(0x0000) - not-present page
<6> [299.836367] PGD 0 P4D 0
<4> [299.836369] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4> [299.836372] CPU: 1 PID: 1429 Comm: i915_selftest Tainted: G     U            5.17.0-rc4-CI-CI_DRM_11227+ #1
<4> [299.836376] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4> [299.836380] RIP: 0010:ttm_resource_init+0x57/0x90 [ttm]
<4> [299.836392] RSP: 0018:ffffc90001e4f680 EFLAGS: 00010203
<4> [299.836395] RAX: 0000000000000000 RBX: ffffc90001e4f708 RCX: 0000000000000000
<4> [299.836398] RDX: ffff888116172528 RSI: ffffc90001e4f6f8 RDI: 0000000000000000
<4> [299.836401] RBP: ffffc90001e4f6f8 R08: 00000000000001b0 R09: ffff888116172528
<4> [299.836403] R10: 0000000000000001 R11: 00000000a4cb2e51 R12: ffffc90001e4fa90
<4> [299.836406] R13: ffff888116172528 R14: ffff888130d7f4b0 R15: ffff888130d7f400
<4> [299.836409] FS:  00007ff241684500(0000) GS:ffff88849fe80000(0000) knlGS:0000000000000000
<4> [299.836412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [299.836416] CR2: 00000000000000c8 CR3: 0000000107b80001 CR4: 0000000000770ee0
<4> [299.836418] PKRU: 55555554
<4> [299.836420] Call Trace:
<4> [299.836422]  <TASK>
<4> [299.836423]  i915_ttm_buddy_man_alloc+0x68/0x240 [i915]

ttm_resource_init() now needs to access the bo->bdev, and also wants to
store the bo reference. Try to keep both working. The mock_bo is a hack
so we can interface directly with the ttm managers alloc() and free() hooks for
our mock testing, without invoking other TTM features like eviction,
moves, etc.

v2: make sure we only touch res->bo if the alloc() returns successfully

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5123
Fixes: 0e05fc49c3 ("drm/ttm: add common accounting to the resource mgr v3")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221121103.2473831-1-matthew.auld@intel.com
2022-02-25 14:14:52 +00:00
chiminghao
cea418863e drm/tegra: dpaux: Remove unneeded variable
Fix the following coccicheck REVIEW:
./drivers/gpu/drm/tegra/dpaux.c:282:13-16 REVIEW Unneeded variable

Reported-by: Zeal Robot <zealci@zte.com.cm>
Signed-off-by: chiminghao <chi.minghao@zte.com.cn>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2022-02-25 14:47:51 +01:00
Tvrtko Ursulin
db927686e4 Merge drm/drm-next into drm-intel-gt-next
Matt needed some buddy allocator changes for landing DG2 small BAR
support patches.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2022-02-25 13:44:44 +00:00
José Roberto de Souza
b8986c889e drm/i915: Check stolen memory size before calling drm_mm_init
Add check for zero usable stolen memory before calling drm_mm_init
to support configurations where stolen memory exists but is fully
reserved.

Also skip memory test in cases that usable stolen is smaller than
page size(amount mapped and used to test memory).

v2:
- skiping test if available memory is smaller than page size (Lucas)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Steve Carbonari <steven.carbonari@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223194946.725328-1-jose.souza@intel.com
2022-02-25 05:24:16 -08:00
Miaoqian Lin
221e3638fe drm/tegra: Fix reference leak in tegra_dsi_ganged_probe
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore. Add put_device() call to fix this.

Fixes: e94236cde4 ("drm/tegra: dsi: Add ganged mode support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2022-02-25 14:16:55 +01:00
Raphael Gallais-Pou
79b44684a1 drm/stm: ltdc: add support for CRC hashing feature
This patch adds the CRC hashing feature supported by some recent hardware
versions of the LTDC. This is useful for test suite such as IGT-GPU-tools
[1] where a CRTC output frame can be compared to a test reference frame
thanks to their respective CRC hash.

[1] https://cgit.freedesktop.org/drm/igt-gpu-tools

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Acked-by: Yannick Fertre <yannick.fertre@foss.st.com>
Signed-off-by: Philippe Cornu <philippe.cornu@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220211104620.421177-1-raphael.gallais-pou@foss.st.com
2022-02-25 14:14:28 +01:00
Nathan Chancellor
3b2f68f196 drm/stm: Avoid using val uninitialized in ltdc_set_ycbcr_config()
Clang warns:

  drivers/gpu/drm/stm/ltdc.c:625:2: warning: variable 'val' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
          default:
          ^~~~~~~
  drivers/gpu/drm/stm/ltdc.c:635:2: note: uninitialized use occurs here
          val |= LxPCR_YCEN;
          ^~~
  drivers/gpu/drm/stm/ltdc.c:600:9: note: initialize the variable 'val' to silence this warning
          u32 val;
                 ^
                  = 0
  1 warning generated.

Use a return instead of break in the default case to fix the warning.
Add an error message so that this return is not silent, which could hide
issues in the future.

Fixes: 484e72d314 ("drm/stm: ltdc: add support of ycbcr pixel formats")
Link: https://github.com/ClangBuiltLinux/linux/issues/1575
Acked-by: Yannick Fertre <yannick.fertre@foss.st.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Philippe Cornu <philippe.cornu@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222152045.484610-1-nathan@kernel.org
2022-02-25 14:14:07 +01:00
Kees Cook
a2151490cc drm/dp: Fix OOB read when handling Post Cursor2 register
The link_status array was not large enough to read the Adjust Request
Post Cursor2 register, so remove the common helper function to avoid
an OOB read, found with a -Warray-bounds build:

drivers/gpu/drm/drm_dp_helper.c: In function 'drm_dp_get_adjust_request_post_cursor':
drivers/gpu/drm/drm_dp_helper.c:59:27: error: array subscript 10 is outside array bounds of 'const u8[6]' {aka 'const unsigned char[6]'} [-Werror=array-bounds]
   59 |         return link_status[r - DP_LANE0_1_STATUS];
      |                ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/drm_dp_helper.c:147:51: note: while referencing 'link_status'
  147 | u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],
      |                                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Replace the only user of the helper with an open-coded fetch and decode,
similar to drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c.

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Fixes: 79465e0ffe ("drm/dp: Add helper to get post-cursor adjustments")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/20220105173507.2420910-1-keescook@chromium.org
Signed-off-by: Thierry Reding <treding@nvidia.com>
2022-02-25 10:24:20 +01:00
Kees Cook
d4da1f2739 drm/dp: Fix off-by-one in register cache size
The pcon_dsc_dpcd array holds 13 registers (0x92 through 0x9E). Fix the
math to calculate the max size. Found from a -Warray-bounds build:

drivers/gpu/drm/drm_dp_helper.c: In function 'drm_dp_pcon_dsc_bpp_incr':
drivers/gpu/drm/drm_dp_helper.c:3130:28: error: array subscript 12 is outside array bounds of 'const u8[12]' {aka 'const unsigned char[12]'} [-Werror=array-bounds]
 3130 |         buf = pcon_dsc_dpcd[DP_PCON_DSC_BPP_INCR - DP_PCON_DSC_ENCODER];
      |               ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/drm_dp_helper.c:3126:39: note: while referencing 'pcon_dsc_dpcd'
 3126 | int drm_dp_pcon_dsc_bpp_incr(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE])
      |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Fixes: e2e16da398 ("drm/dp_helper: Add support for Configuring DSC for HDMI2.1 Pcon")
Cc: stable@vger.kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/lkml/20211214001849.GA62559@embeddedor/
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220105173310.2420598-1-keescook@chromium.org
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225035610.2552144-2-keescook@chromium.org
2022-02-25 10:22:44 +01:00
Changbin Du
22e2100b1b
riscv: fix oops caused by irqsoff latency tracer
The trace_hardirqs_{on,off}() require the caller to setup frame pointer
properly. This because these two functions use macro 'CALLER_ADDR1' (aka.
__builtin_return_address(1)) to acquire caller info. If the $fp is used
for other purpose, the code generated this macro (as below) could trigger
memory access fault.

   0xffffffff8011510e <+80>:    ld      a1,-16(s0)
   0xffffffff80115112 <+84>:    ld      s2,-8(a1)  # <-- paging fault here

The oops message during booting if compiled with 'irqoff' tracer enabled:
[    0.039615][    T0] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000f8
[    0.041925][    T0] Oops [#1]
[    0.042063][    T0] Modules linked in:
[    0.042864][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.17.0-rc1-00233-g9a20c48d1ed2 #29
[    0.043568][    T0] Hardware name: riscv-virtio,qemu (DT)
[    0.044343][    T0] epc : trace_hardirqs_on+0x56/0xe2
[    0.044601][    T0]  ra : restore_all+0x12/0x6e
[    0.044721][    T0] epc : ffffffff80126a5c ra : ffffffff80003b94 sp : ffffffff81403db0
[    0.044801][    T0]  gp : ffffffff8163acd8 tp : ffffffff81414880 t0 : 0000000000000020
[    0.044882][    T0]  t1 : 0098968000000000 t2 : 0000000000000000 s0 : ffffffff81403de0
[    0.044967][    T0]  s1 : 0000000000000000 a0 : 0000000000000001 a1 : 0000000000000100
[    0.045046][    T0]  a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000
[    0.045124][    T0]  a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000054494d45
[    0.045210][    T0]  s2 : ffffffff80003b94 s3 : ffffffff81a8f1b0 s4 : ffffffff80e27b50
[    0.045289][    T0]  s5 : ffffffff81414880 s6 : ffffffff8160fa00 s7 : 00000000800120e8
[    0.045389][    T0]  s8 : 0000000080013100 s9 : 000000000000007f s10: 0000000000000000
[    0.045474][    T0]  s11: 0000000000000000 t3 : 7fffffffffffffff t4 : 0000000000000000
[    0.045548][    T0]  t5 : 0000000000000000 t6 : ffffffff814aa368
[    0.045620][    T0] status: 0000000200000100 badaddr: 00000000000000f8 cause: 000000000000000d
[    0.046402][    T0] [<ffffffff80003b94>] restore_all+0x12/0x6e

This because the $fp(aka. $s0) register is not used as frame pointer in the
assembly entry code.

	resume_kernel:
		REG_L s0, TASK_TI_PREEMPT_COUNT(tp)
		bnez s0, restore_all
		REG_L s0, TASK_TI_FLAGS(tp)
                andi s0, s0, _TIF_NEED_RESCHED
                beqz s0, restore_all
                call preempt_schedule_irq
                j restore_all

To fix above issue, here we add one extra level wrapper for function
trace_hardirqs_{on,off}() so they can be safely called by low level entry
code.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Fixes: 3c46979829 ("riscv: Enable LOCKDEP_SUPPORT & fixup TRACE_IRQFLAGS_SUPPORT")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-02-24 20:30:30 -08:00
Damien Le Moal
762e52f79c
riscv: fix nommu_k210_sdcard_defconfig
Instead of an arbitrary delay, use the "rootwait" kernel option to wait
for the mmc root device to be ready.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Fixes: 7e09fd3994 ("riscv: Add Canaan Kendryte K210 SD card defconfig")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-02-24 19:22:55 -08:00
Daniel Bristot de Oliveira
ce33c845b0 tracing: Dump stacktrace trigger to the corresponding instance
The stacktrace event trigger is not dumping the stacktrace to the instance
where it was enabled, but to the global "instance."

Use the private_data, pointing to the trigger file, to figure out the
corresponding trace instance, and use it in the trigger action, like
snapshot_trigger does.

Link: https://lkml.kernel.org/r/afbb0b4f18ba92c276865bc97204d438473f4ebc.1645396236.git.bristot@kernel.org

Cc: stable@vger.kernel.org
Fixes: ae63b31e4d ("tracing: Separate out trace events from global variables")
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Tested-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-02-24 22:07:03 -05:00
Linus Torvalds
53ab78cd6d A couple driver fixes in the clk subsystem
- Fix a hang due to bad clk parent in the Ingenic jz4725b driver.
 
  - Fix SD controllers on Qualcomm MSM8994 SoCs by removing clks
    that shouldn't be touched.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A couple driver fixes in the clk subsystem

   - Fix a hang due to bad clk parent in the Ingenic jz4725b driver

   - Fix SD controllers on Qualcomm MSM8994 SoCs by removing clks that
     shouldn't be touched"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: jz4725b: fix mmc0 clock gating
  clk: qcom: gcc-msm8994: Remove NoC clocks
2022-02-24 17:35:22 -08:00
Linus Torvalds
5ee3d0015a drm fixes for 5.17-rc6
core:
 - edid: Always set RGB444
 
 tegra:
 - tegra186 suspend/resume fixes
 - syncpoint wait fix
 - build warning fix
 - eDP on older devices fix
 
 amdgpu:
 - Display FP fix
 - PCO powergating fix
 - RDNA2 OEM SKU stability fixes
 - Display PSR fix
 - PCI ASPM fix
 - Display link encoder fix for TEST_COMMIT
 - Raven2 suspend/resume fix
 - Fix a regression in virtual display support
 - GPUVM eviction fix
 
 i915:
 - Fix QGV handling on ADL-P+
 - Fix bw atomic check when switching between SAGV vs. no SAGV
 - Disconnect PHYs left connected by BIOS on disabled ports
 - Fix SAVG to no SAGV transitions on TGL+
 - Print PHY name properly on calibration error (DG2)
 
 imx:
 - dcss: Select GEM CMA helpers
 
 radeon:
 - Fix some variables's type
 
 vc4:
 - Fix codec cleanup
 - Fix PM reference counting
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Merge tag 'drm-fixes-2022-02-25' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular drm fixes pull, i915, amdgpu and tegra mostly, all pretty
  small.

  core:
   - edid: Always set RGB444

  tegra:
   - tegra186 suspend/resume fixes
   - syncpoint wait fix
   - build warning fix
   - eDP on older devices fix

  amdgpu:
   - Display FP fix
   - PCO powergating fix
   - RDNA2 OEM SKU stability fixes
   - Display PSR fix
   - PCI ASPM fix
   - Display link encoder fix for TEST_COMMIT
   - Raven2 suspend/resume fix
   - Fix a regression in virtual display support
   - GPUVM eviction fix

  i915:
   - Fix QGV handling on ADL-P+
   - Fix bw atomic check when switching between SAGV vs. no SAGV
   - Disconnect PHYs left connected by BIOS on disabled ports
   - Fix SAVG to no SAGV transitions on TGL+
   - Print PHY name properly on calibration error (DG2)

  imx:
   - dcss: Select GEM CMA helpers

  radeon:
   - Fix some variables's type

  vc4:
   - Fix codec cleanup
   - Fix PM reference counting"

* tag 'drm-fixes-2022-02-25' of git://anongit.freedesktop.org/drm/drm: (24 commits)
  drm/amdgpu: check vm ready by amdgpu_vm->evicting flag
  drm/amdgpu: bypass tiling flag check in virtual display case (v2)
  Revert "drm/amdgpu: add modifiers in amdgpu_vkms_plane_init()"
  drm/amdgpu: do not enable asic reset for raven2
  drm/amd/display: Fix stream->link_enc unassigned during stream removal
  drm/amd: Check if ASPM is enabled from PCIe subsystem
  drm/edid: Always set RGB444
  drm/tegra: dpaux: Populate AUX bus
  drm/radeon: fix variable type
  drm/amd/display: For vblank_disable_immediate, check PSR is really used
  drm/amd/pm: fix some OEM SKU specific stability issues
  drm/amdgpu: disable MMHUB PG for Picasso
  drm/amd/display: Protect update_bw_bounding_box FPU code.
  drm/i915/dg2: Print PHY name properly on calibration error
  drm/i915: Fix bw atomic check when switching between SAGV vs. no SAGV
  drm/i915: Correctly populate use_sagv_wm for all pipes
  drm/i915: Disconnect PHYs left connected by BIOS on disabled ports
  drm/i915: Widen the QGV point mask
  drm/imx/dcss: i.MX8MQ DCSS select DRM_GEM_CMA_HELPER
  drm/vc4: crtc: Fix runtime_pm reference counting
  ...
2022-02-24 17:29:26 -08:00
Linus Torvalds
7ee022567b perf tools fixes for v5.17: 3rd batch
- Fix double free in in the error path when opening perf.data from multiple
   files in a directory instead of from a single file.
 
 - Sync the msr-index.h copy with the kernel sources
 
 - Fix error when printing 'weight' field in 'perf script'.
 
 - Skip failing sigtrap test for arm+aarch64 in 'perf test'.
 
 - Fix failure to use a cpu list for uncore events in hybrid systems, e.g. Intel
   Alder Lake.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.17-2022-02-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix double free in in the error path when opening perf.data from
   multiple files in a directory instead of from a single file

 - Sync the msr-index.h copy with the kernel sources

 - Fix error when printing 'weight' field in 'perf script'

 - Skip failing sigtrap test for arm+aarch64 in 'perf test'

 - Fix failure to use a cpu list for uncore events in hybrid systems,
   e.g. Intel Alder Lake

* tag 'perf-tools-fixes-for-v5.17-2022-02-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf script: Fix error when printing 'weight' field
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf data: Fix double free in perf_session__delete()
  perf evlist: Fix failed to use cpu list for uncore events
  perf test: Skip failing sigtrap test for arm+aarch64
2022-02-24 14:36:38 -08:00
Magali Lemes
f728eb3a50 drm/amd/display: Turn functions into static
Silence [-Wmissing-prototypes] sparse warnings from the display folder
such as:

../drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:126:5: warning: no previous prototype for ‘dcn315_smu_send_msg_with_param’ [-Wmissing-prototypes]
  126 | int dcn315_smu_send_msg_with_param(
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

v2: drop unused function dcn315_smu_set_voltage_via_phyclk() to avoid
    adding a warning (Alex)

Cc: Qingqing Zhuo (Lillian) <qingqing.zhuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Magali Lemes <magalilemes00@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:26:25 -05:00
Magali Lemes
b83e1ba939 drm/amd/display: Use NULL instead of 0
Silence the following sparse warnings:

../drivers/gpu/drm/amd/amdgpu/../display/dc/dce112/dce112_resource.c:865:16:
sparse: warning: Using plain integer as NULL pointer

../drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1588:84:
sparse: warning: Using plain integer as NULL pointer

../drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2725:84:
sparse: warning: Using plain integer as NULL pointer

../drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1919:16:
sparse: warning: Using plain integer as NULL pointer

v2: drop removal of default case to avoid adding warnings (Alex)

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Magali Lemes <magalilemes00@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:26:20 -05:00
Magali Lemes
b3e8239882 drm/amd/display: Add conditional around function
When CONFIG_DRM_AMD_DC_DCN is not set, the function
'dm_helpers_enable_periodic_detection' doesn't have its prototype defined,
causing the following warning:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:805:6:
warning: no previous prototype for function 'dm_helpers_enable_periodic_detection' [-Wmissing-prototypes]
   void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)
        ^
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:805:1:
note: declare 'static' if the function is not intended to be used outside
of this translation unit
   void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)
   ^
   static
   1 warning generated.

This commit silences this warning by adding a conditional directive
around the mentioned function, and also corrects a small spelling error.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Magali Lemes <magalilemes00@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:26:16 -05:00
Magali Lemes
8054e2f01c drm/amd/display: Adjust functions documentation
Part of the documentation of the 'dc_process_dmub_aux_transfer_async'
function was misplaced, being put together with the
‘dc_enable_dmub_notifications’ documentation. This caused the following
warning:

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3757: warning:
expecting prototype for dc_process_dmub_aux_transfer_async(). Prototype
was for dc_enable_dmub_notifications() instead

This commit fixes the warning by placing the function documentations in
their right place.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Magali Lemes <magalilemes00@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:26:09 -05:00
Leo Li
ce075e75e5 drm/amd/display: Fix DC definition of PMFW Pstate table for DCN316
[Why]

During DC init, we read power management tables from PMFW. This info is
exchanged in the form of a binary blob inside gpu memory. In order to
parse the binary blob, the correct struct needs to be used.

[How]

Fix dcn316's definition of the DfPstateTable_t struct to align with PMFW

Signed-off-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:25:57 -05:00
Andrey Grodzovsky
2656fd230d drm/amdgpu: Exclude PCI reset method for now.
According to my investigation of the state of PCI
reset recently it's not working. The reason is
due to the fact the kernel PCI code rejects SBR
when there are more then one PF under same bridge
which we always have (at least AUDIO PF but usually
more) and that because SBR will reset all the PFS
and devices under the same bridge as you and you
cannot assume they support SBR.
Once we anble FLR support we can reenable this option as
FLR is doable on single PF and doens't have this
restriction.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:25:20 -05:00
Alex Sierra
158a05a0b8 drm/amdgpu: Add use_xgmi_p2p module parameter
This parameter controls xGMI p2p communication, which is enabled by
default. However, it can be disabled by setting it to 0. In case xGMI
p2p is disabled in a dGPU, PCIe p2p interface will be used instead.
This parameter is ignored in GPUs that do not support xGMI
p2p configuration.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:25:12 -05:00
Yifan Zhang
0bb319e7a1 drm/amd/pm: fix mode2 reset fail for smu 13.0.5
SMU MSG index should be used as parameter.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:25:05 -05:00
Xiaogang Chen
45f0ff404c drm/amdgpu: config HDP_MISC_CNTL.READ_BUFFER_WATERMARK
To fix applications running across multiple GPU config hang.

Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:24:43 -05:00
Danijel Slivka
4f0f1b58fb amdgpu/pm: Disable managing hwmon sysfs attributes for ONEVF mode
This patch prohibits performing of set commands on all hwmon attributes
through sysfs in ONEVF mode.

Signed-off-by: Danijel Slivka <danijel.slivka@amd.com>
Acked-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-24 17:24:31 -05:00
Linus Torvalds
1f840c0ef4 x86 host:
* Expose KVM_CAP_ENABLE_CAP since it is supported
 
 * Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode
 
 * Ensure async page fault token is nonzero
 
 * Fix lockdep false negative
 
 * Fix FPU migration regression from the AMX changes
 
 x86 guest:
 
 * Don't use PV TLB/IPI/yield on uniprocessor guests
 
 PPC:
 * reserve capability id (topic branch for ppc/kvm)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "x86 host:

   - Expose KVM_CAP_ENABLE_CAP since it is supported

   - Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode

   - Ensure async page fault token is nonzero

   - Fix lockdep false negative

   - Fix FPU migration regression from the AMX changes

  x86 guest:

   - Don't use PV TLB/IPI/yield on uniprocessor guests

  PPC:

   - reserve capability id (topic branch for ppc/kvm)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: nSVM: disallow userspace setting of MSR_AMD64_TSC_RATIO to non default value when tsc scaling disabled
  KVM: x86/mmu: make apf token non-zero to fix bug
  KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3
  x86/kvm: Don't use pv tlb/ipi/sched_yield if on 1 vCPU
  x86/kvm: Fix compilation warning in non-x86_64 builds
  x86/kvm/fpu: Remove kvm_vcpu_arch.guest_supported_xcr0
  x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0
  kvm: x86: Disable KVM_HC_CLOCK_PAIRING if tsc is in always catchup mode
  KVM: Fix lockdep false negative during host resume
  KVM: x86: Add KVM_CAP_ENABLE_CAP to x86
2022-02-24 14:05:49 -08:00
Linus Torvalds
d8152cfe2f pci-v5.17-fixes-5
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Merge tag 'pci-v5.17-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci fixes from Bjorn Helgaas:

 - Fix a merge error that broke PCI device enumeration on mvebu
   platforms, including Turris Omnia (Armada 385) (Pali Rohár)

 - Avoid using ATS on all AMD Navi10 and Navi14 GPUs because some
   VBIOSes don't account for "harvested" (disabled) parts of the chip
   when initializing caches (Alex Deucher)

* tag 'pci-v5.17-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Mark all AMD Navi10 and Navi14 GPU ATS as broken
  PCI: mvebu: Fix device enumeration regression
2022-02-24 13:19:57 -08:00
Cai Huoqing
d814833f9e drm/nouveau: Remove the unused header file nvif/list.h
The nouveau driver depends on include/linux/list.h instead of
nvif/list.h, so remove the obstacle-nvif/list.h.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209065322.43938-1-cai.huoqing@linux.dev
2022-02-24 16:06:11 -05:00
Linus Torvalds
f672ff9123 Networking fixes for 5.17-rc6, including fixes from bpf and netfilter.
Current release - regressions:
 
  - bpf: fix crash due to out of bounds access into reg2btf_ids
 
  - mvpp2: always set port pcs ops, avoid null-deref
 
  - eth: marvell: fix driver load from initrd
 
  - eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"
 
 Current release - new code bugs:
 
  - mptcp: fix race in overlapping signal events
 
 Previous releases - regressions:
 
  - xen-netback: revert hotplug-status changes causing devices to
    not be configured
 
  - dsa:
    - avoid call to __dev_set_promiscuity() while rtnl_mutex isn't held
    - fix panic when removing unoffloaded port from bridge
 
  - dsa: microchip: fix bridging with more than two member ports
 
 Previous releases - always broken:
 
  - bpf:
   - fix crash due to incorrect copy_map_value when both spin lock
     and timer are present in a single value
   - fix a bpf_timer initialization issue with clang
   - do not try bpf_msg_push_data with len 0
   - add schedule points in batch ops
 
  - nf_tables:
    - unregister flowtable hooks on netns exit
    - correct flow offload action array size
    - fix a couple of memory leaks
 
  - vsock: don't check owner in vhost_vsock_stop() while releasing
 
  - gso: do not skip outer ip header in case of ipip and net_failover
 
  - smc: use a mutex for locking "struct smc_pnettable"
 
  - openvswitch: fix setting ipv6 fields causing hw csum failure
 
  - mptcp: fix race in incoming ADD_ADDR option processing
 
  - sysfs: add check for netdevice being present to speed_show
 
  - sched: act_ct: fix flow table lookup after ct clear or switching
    zones
 
  - eth: intel: fixes for SR-IOV forwarding offloads
 
  - eth: broadcom: fixes for selftests and error recovery
 
  - eth: mellanox: flow steering and SR-IOV forwarding fixes
 
 Misc:
 
  - make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
    friends not report freed skbs as drops
 
  - force inlining of checksum functions in net/checksum.h
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf and netfilter.

  Current release - regressions:

   - bpf: fix crash due to out of bounds access into reg2btf_ids

   - mvpp2: always set port pcs ops, avoid null-deref

   - eth: marvell: fix driver load from initrd

   - eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"

  Current release - new code bugs:

   - mptcp: fix race in overlapping signal events

  Previous releases - regressions:

   - xen-netback: revert hotplug-status changes causing devices to not
     be configured

   - dsa:
      - avoid call to __dev_set_promiscuity() while rtnl_mutex isn't
        held
      - fix panic when removing unoffloaded port from bridge

   - dsa: microchip: fix bridging with more than two member ports

  Previous releases - always broken:

   - bpf:
      - fix crash due to incorrect copy_map_value when both spin lock
        and timer are present in a single value
      - fix a bpf_timer initialization issue with clang
      - do not try bpf_msg_push_data with len 0
      - add schedule points in batch ops

   - nf_tables:
      - unregister flowtable hooks on netns exit
      - correct flow offload action array size
      - fix a couple of memory leaks

   - vsock: don't check owner in vhost_vsock_stop() while releasing

   - gso: do not skip outer ip header in case of ipip and net_failover

   - smc: use a mutex for locking "struct smc_pnettable"

   - openvswitch: fix setting ipv6 fields causing hw csum failure

   - mptcp: fix race in incoming ADD_ADDR option processing

   - sysfs: add check for netdevice being present to speed_show

   - sched: act_ct: fix flow table lookup after ct clear or switching
     zones

   - eth: intel: fixes for SR-IOV forwarding offloads

   - eth: broadcom: fixes for selftests and error recovery

   - eth: mellanox: flow steering and SR-IOV forwarding fixes

  Misc:

   - make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
     friends not report freed skbs as drops

   - force inlining of checksum functions in net/checksum.h"

* tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (85 commits)
  net: mv643xx_eth: process retval from of_get_mac_address
  ping: remove pr_err from ping_lookup
  Revert "i40e: Fix reset bw limit when DCB enabled with 1 TC"
  openvswitch: Fix setting ipv6 fields causing hw csum failure
  ipv6: prevent a possible race condition with lifetimes
  net/smc: Use a mutex for locking "struct smc_pnettable"
  bnx2x: fix driver load from initrd
  Revert "xen-netback: Check for hotplug-status existence before watching"
  Revert "xen-netback: remove 'hotplug-status' once it has served its purpose"
  net/mlx5e: Fix VF min/max rate parameters interchange mistake
  net/mlx5e: Add missing increment of count
  net/mlx5e: MPLSoUDP decap, fix check for unsupported matches
  net/mlx5e: Fix MPLSoUDP encap to use MPLS action information
  net/mlx5e: Add feature check for set fec counters
  net/mlx5e: TC, Skip redundant ct clear actions
  net/mlx5e: TC, Reject rules with forward and drop actions
  net/mlx5e: TC, Reject rules with drop and modify hdr action
  net/mlx5e: kTLS, Use CHECKSUM_UNNECESSARY for device-offloaded packets
  net/mlx5e: Fix wrong return value on ioctl EEPROM query failure
  net/mlx5: Fix possible deadlock on rule deletion
  ...
2022-02-24 12:45:32 -08:00
Dave Airlie
ecf8a99f48 Merge tag 'drm-intel-fixes-2022-02-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix QGV handling on ADL-P+ (Ville Syrjälä)
- Fix bw atomic check when switching between SAGV vs. no SAGV (Ville Syrjälä)
- Disconnect PHYs left connected by BIOS on disabled ports (Imre Deak)
- Fix SAVG to no SAGV transitions on TGL+ (Ville Syrjälä)
- Print PHY name properly on calibration error (DG2) (Matt Roper)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YhdyHwRWkOTWwlqi@tursulin-mobl2
2022-02-25 05:51:04 +10:00
Dave Airlie
54f43c17d6 drm-misc-next for v5.18:
UAPI Changes:
 
 Cross-subsystem Changes:
 - Split out panel-lvds and lvds dt bindings .
 - Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
   and use it in drivers and tomoyo.
 - Clarify dma_fence_chain and dma_fence_array should never include eachother.
 - Flatten chains in syncobj's.
 - Don't double add in fbdev/defio when page is already enlisted.
 - Don't sort deferred-I/O pages by default in fbdev.
 
 Core Changes:
 - Fix missing pm_runtime_put_sync in bridge.
 - Set modifier support to only linear fb modifier if drivers don't
   advertise support.
 - As a result, we remove allow_fb_modifiers.
 - Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
 - Assorted documentation updates.
 - Warn once in drm_clflush if there is no arch support.
 - Add missing select for dp helper in drm_panel_edp.
 - Assorted small fixes.
 - Improve fb-helper's clipping handling.
 - Don't dump shmem mmaps in a core dump.
 - Add accounting to ttm resource manager, and use it in amdgpu.
 - Allow querying the detected eDP panel through debugfs.
 - Add helpers for xrgb8888 to 8 and 1 bits gray.
 - Improve drm's buddy allocator.
 - Add selftests for the buddy allocator.
 
 Driver Changes:
 - Add support for nomodeset to a lot of drm drivers.
 - Use drm_module_*_driver in a lot of drm drivers.
 - Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
   bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
 - Add bridge/it6505.
 - Create DP and DVI-I connectors in ast.
 - Assorted nouveau backlight fixes.
 - Rework amdgpu reset handling.
 - Add dt bindings for ingenic,jz4780-dw-hdmi.
 - Support reading edid through aux channel in ingenic.
 - Add a drm driver for Solomon SSD130x OLED displays.
 - Add simple support for sharp LQ140M1JW46.
 - Add more panels to nt35560.
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Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.18:

UAPI Changes:

Cross-subsystem Changes:
- Split out panel-lvds and lvds dt bindings .
- Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
  and use it in drivers and tomoyo.
- Clarify dma_fence_chain and dma_fence_array should never include eachother.
- Flatten chains in syncobj's.
- Don't double add in fbdev/defio when page is already enlisted.
- Don't sort deferred-I/O pages by default in fbdev.

Core Changes:
- Fix missing pm_runtime_put_sync in bridge.
- Set modifier support to only linear fb modifier if drivers don't
  advertise support.
- As a result, we remove allow_fb_modifiers.
- Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
- Assorted documentation updates.
- Warn once in drm_clflush if there is no arch support.
- Add missing select for dp helper in drm_panel_edp.
- Assorted small fixes.
- Improve fb-helper's clipping handling.
- Don't dump shmem mmaps in a core dump.
- Add accounting to ttm resource manager, and use it in amdgpu.
- Allow querying the detected eDP panel through debugfs.
- Add helpers for xrgb8888 to 8 and 1 bits gray.
- Improve drm's buddy allocator.
- Add selftests for the buddy allocator.

Driver Changes:
- Add support for nomodeset to a lot of drm drivers.
- Use drm_module_*_driver in a lot of drm drivers.
- Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
  bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
- Add bridge/it6505.
- Create DP and DVI-I connectors in ast.
- Assorted nouveau backlight fixes.
- Rework amdgpu reset handling.
- Add dt bindings for ingenic,jz4780-dw-hdmi.
- Support reading edid through aux channel in ingenic.
- Add a drm driver for Solomon SSD130x OLED displays.
- Add simple support for sharp LQ140M1JW46.
- Add more panels to nt35560.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/686ec871-e77f-c230-22e5-9e3bb80f064a@linux.intel.com
2022-02-25 05:50:18 +10:00
Dave Airlie
7f44571b53 Linux core:
-----------
 iosys-map: Add offset to iosys_map_memcpy_to() (Lucas)
 iosys-map: Add a few more helpers (Lucas)
 
 i915 (display and core changes on drm-intel-next):
 --------------------------------------------------
 
 - Display's DBuf and watermark related fixes and improvements (Ville)
 - More i915 header and other code clean-up (Jani)
 - Display IPS fixes and improvements (Ville)
 - OPRegion fixes and cleanups (Jani)
 - Fix the plane end Y offset check for FBC (Ville)
 - DP 128b/132b updates (Jani)
 - Disable runtime pm wakeref tracking for the mock device selftest (Ville)
 - Many display code clean-up while targeting to fix up DP DFP 4:2:0 handling (Ville)
 - Bigjoiner state tracking and more bigjoiner related work (Ville)
 - Update DMC_DEBUG3 register for DG1 (Chuansheng)
 - SAGV fixes (Ville)
 - More GT register cleanup (Matt)
 - Fix build issue when using clang (Tong)
 - Display DG2 fixes (Matt)
 - ADL-P PHY related fixes (Imre)
 - PSR2 fixes (Jose)
 - Add PCH Support for Alder Lake N (Tejas)
 
 drm-intel-gt-next (drm-intel-gt-next-2022-02-17):
 -------------------------------------------------
 UAPI Changes:
 
 - Weak parallel submission support for execlists
 
   Minimal implementation of the parallel submission support for
   execlists backend that was previously only implemented for GuC.
   Support one sibling non-virtual engine.
 
 Core Changes:
 
 - Two backmerges of drm/drm-next for header file renames/changes and
   i915_regs reorganization
 
 Driver Changes:
 
 - Add new DG2 subplatform: DG2-G12 (Matt R)
 - Add new DG2 workarounds (Matt R, Ram, Bruce)
 - Handle pre-programmed WOPCM registers for DG2+ (Daniele)
 - Update guc shim control programming on XeHP SDV+ (Daniele)
 - Add RPL-S C0/D0 stepping information (Anusha)
 - Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)
 
 - Fix KMD and GuC race on accessing PMU busyness (Umesh)
 - Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
 - Report error on invalid reset notification from GuC (John)
 - Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
 - Fixes to parallel submission implementation (Matt B.)
 - Improve GuC loading status check/error reports (John)
 - Tweak TTM LRU priority hint selection (Matt A.)
 - Align the plane_vma to min_page_size of stolen mem (Ram)
 
 - Introduce vma resources and implement async unbinding (Thomas)
 - Use struct vma_resource instead of struct vma_snapshot (Thomas)
 - Return some TTM accel move errors instead of trying memcpy move (Thomas)
 - Fix a race between vma / object destruction and unbinding (Thomas)
 - Remove short-term pins from execbuf (Maarten)
 - Update to GuC version 69.0.3 (John, Michal Wa.)
 - Improvements to GT reset paths in GuC backend (Matt B.)
 - Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
 - Use trylock instead of blocking lock when freeing GEM objects (Maarten)
 - Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
 - Fixes to object unmapping and purging (Matt A)
 - Check for wedged device in GuC backend (John)
 - Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
 - Allow dead vm to unbind vma's without lock (Maarten)
 - s/engine->i915/i915/ for DG2 engine workarounds (Matt R)
 
 - Use to_gt() helper for GGTT accesses (Michal Wi.)
 - Selftest improvements (Matt B., Thomas, Ram)
 - Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)
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Merge tag 'drm-intel-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Linux core:
-----------
iosys-map: Add offset to iosys_map_memcpy_to() (Lucas)
iosys-map: Add a few more helpers (Lucas)

i915 (display and core changes on drm-intel-next):
--------------------------------------------------

- Display's DBuf and watermark related fixes and improvements (Ville)
- More i915 header and other code clean-up (Jani)
- Display IPS fixes and improvements (Ville)
- OPRegion fixes and cleanups (Jani)
- Fix the plane end Y offset check for FBC (Ville)
- DP 128b/132b updates (Jani)
- Disable runtime pm wakeref tracking for the mock device selftest (Ville)
- Many display code clean-up while targeting to fix up DP DFP 4:2:0 handling (Ville)
- Bigjoiner state tracking and more bigjoiner related work (Ville)
- Update DMC_DEBUG3 register for DG1 (Chuansheng)
- SAGV fixes (Ville)
- More GT register cleanup (Matt)
- Fix build issue when using clang (Tong)
- Display DG2 fixes (Matt)
- ADL-P PHY related fixes (Imre)
- PSR2 fixes (Jose)
- Add PCH Support for Alder Lake N (Tejas)

drm-intel-gt-next (drm-intel-gt-next-2022-02-17):
-------------------------------------------------
UAPI Changes:

- Weak parallel submission support for execlists

  Minimal implementation of the parallel submission support for
  execlists backend that was previously only implemented for GuC.
  Support one sibling non-virtual engine.

Core Changes:

- Two backmerges of drm/drm-next for header file renames/changes and
  i915_regs reorganization

Driver Changes:

- Add new DG2 subplatform: DG2-G12 (Matt R)
- Add new DG2 workarounds (Matt R, Ram, Bruce)
- Handle pre-programmed WOPCM registers for DG2+ (Daniele)
- Update guc shim control programming on XeHP SDV+ (Daniele)
- Add RPL-S C0/D0 stepping information (Anusha)
- Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)

- Fix KMD and GuC race on accessing PMU busyness (Umesh)
- Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
- Report error on invalid reset notification from GuC (John)
- Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
- Fixes to parallel submission implementation (Matt B.)
- Improve GuC loading status check/error reports (John)
- Tweak TTM LRU priority hint selection (Matt A.)
- Align the plane_vma to min_page_size of stolen mem (Ram)

- Introduce vma resources and implement async unbinding (Thomas)
- Use struct vma_resource instead of struct vma_snapshot (Thomas)
- Return some TTM accel move errors instead of trying memcpy move (Thomas)
- Fix a race between vma / object destruction and unbinding (Thomas)
- Remove short-term pins from execbuf (Maarten)
- Update to GuC version 69.0.3 (John, Michal Wa.)
- Improvements to GT reset paths in GuC backend (Matt B.)
- Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
- Use trylock instead of blocking lock when freeing GEM objects (Maarten)
- Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
- Fixes to object unmapping and purging (Matt A)
- Check for wedged device in GuC backend (John)
- Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
- Allow dead vm to unbind vma's without lock (Maarten)
- s/engine->i915/i915/ for DG2 engine workarounds (Matt R)

- Use to_gt() helper for GGTT accesses (Michal Wi.)
- Selftest improvements (Matt B., Thomas, Ram)
- Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YhbDan8wNZBR6FzF@intel.com
2022-02-25 05:26:55 +10:00
Linus Torvalds
73878e5eb1 block-5.17-2022-02-24
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Merge tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request:
    - send H2CData PDUs based on MAXH2CDATA (Varun Prakash)
    - fix passthrough to namespaces with unsupported features (Christoph
      Hellwig)

 - Clear iocb->private at poll completion (Stefano)

* tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block:
  nvme-tcp: send H2CData PDUs based on MAXH2CDATA
  nvme: also mark passthrough-only namespaces ready in nvme_update_ns_info
  nvme: don't return an error from nvme_configure_metadata
  block: clear iocb->private in blkdev_bio_end_io_async()
2022-02-24 11:15:10 -08:00
Chuansheng Liu
3abea10e6a thermal: int340x: fix memory leak in int3400_notify()
It is easy to hit the below memory leaks in my TigerLake platform:

unreferenced object 0xffff927c8b91dbc0 (size 32):
  comm "kworker/0:2", pid 112, jiffies 4294893323 (age 83.604s)
  hex dump (first 32 bytes):
    4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65  NAME=INT3400 The
    72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  rmal.kkkkkkkkkk.
  backtrace:
    [<ffffffff9c502c3e>] __kmalloc_track_caller+0x2fe/0x4a0
    [<ffffffff9c7b7c15>] kvasprintf+0x65/0xd0
    [<ffffffff9c7b7d6e>] kasprintf+0x4e/0x70
    [<ffffffffc04cb662>] int3400_notify+0x82/0x120 [int3400_thermal]
    [<ffffffff9c8b7358>] acpi_ev_notify_dispatch+0x54/0x71
    [<ffffffff9c88f1a7>] acpi_os_execute_deferred+0x17/0x30
    [<ffffffff9c2c2c0a>] process_one_work+0x21a/0x3f0
    [<ffffffff9c2c2e2a>] worker_thread+0x4a/0x3b0
    [<ffffffff9c2cb4dd>] kthread+0xfd/0x130
    [<ffffffff9c201c1f>] ret_from_fork+0x1f/0x30

Fix it by calling kfree() accordingly.

Fixes: 38e44da591 ("thermal: int3400_thermal: process "thermal table changed" event")
Signed-off-by: Chuansheng Liu <chuansheng.liu@intel.com>
Cc: 4.14+ <stable@vger.kernel.org> # 4.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-02-24 20:14:19 +01:00
Linus Torvalds
3a5f59b17f io_uring-5.17-2022-02-23
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Merge tag 'io_uring-5.17-2022-02-23' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Add a conditional schedule point in io_add_buffers() (Eric)

 - Fix for a quiesce speedup merged in this release (Dylan)

 - Don't convert to jiffies for event timeout waiting, it's way too
   coarse when we accept a timespec as input (me)

* tag 'io_uring-5.17-2022-02-23' of git://git.kernel.dk/linux-block:
  io_uring: disallow modification of rsrc_data during quiesce
  io_uring: don't convert to jiffies for waiting on timeouts
  io_uring: add a schedule point in io_add_buffers()
2022-02-24 11:08:15 -08:00