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- Add new condition for PSR exit due to ESD recovery
- Add new VB scaling feature for ABM by interpolating between
existing VB parameters, allowing driver to have fine grain
scaled VB levels between 0 - 250
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks for aconnector and aconnector->dc_link and
stream redundant as they were already dereferenced previously
as reported by Coverity; therefore the null checks are removed.
This fixes 4 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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CalculateSwathAndDETConfiguration_params_st's UnboundedRequestEnabled
is a pointer (i.e. dml_bool_t *UnboundedRequestEnabled), and thus
if (p->UnboundedRequestEnabled) checks its address, not bool value.
This fixes 1 REVERSE_INULL issue reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks for context are redundant as it was already
dereferenced previously, as reported by Coverity; therefore
the null checks are removed.
This fixes 2 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks for opp are redundant as they were already
dereferenced previously, as reported by Coverity; therefore
the null checks are removed.
This fixes 2 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks are redundant as they were already dereferenced
previously, as reported by Coverity; therefore the null checks
are removed.
This fixes 7 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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These portions of code are flagged as 'UNUSED_VALUE' by the
Coverity analysis since the assigned values of these vars
are never used in the code.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Ivan Lipski <ivlipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks for ctx->dc_bios are redundant as it was already
dereferenced previously, as reported by Coverity; therefore the
null checks are removed.
This fixes 7 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The null checks for res_pool->dccg are redundant as it was already
dereferenced previously, as reported by Coverity; therefore the
null checks are removed.
This fixes 6 REVERSE_INULL issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If some part of the driver tries to call
resource_get_opp_heads_for_otg_master in a non-OTG master context, DC
will trigger a dmesg warning since this situation indicates that some
configuration associated with ODM slices might be wrong. This commit
adds an extra log to describe why the warning was triggered to make the
debugging more straightforward.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When booting the system with DCN401, the driver adds the following dmesg
warning:
WARNING: CPU: 8 PID: 175 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1923
resource_get_opp_heads_for_otg_master+0x13/0x70 [amdgpu]
Modules linked in: amdgpu(+) hid_generic amdxcp i2c_algo_bit
drm_ttm_helper ttm drm_exec gpu_sched drm_suballoc_helper drm_buddy
drm_display_helper drm_kms_helper usbhid hid drm i2c_piix4 ahci igc
libahci video wmi
CPU: 8 PID: 175 Comm: systemd-udevd Not tainted 6.8.0-EXTRA-PROMO-MAY-29+ #66
Hardware name: ASUS System Product Name/TUF GAMING X570-PRO (WI-FI),
BIOS 4021 08/10/2021
RIP: 0010:resource_get_opp_heads_for_otg_master+0x13/0x70 [amdgpu]
Code: 8b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
90 0f 1f 44 00 00 55 48 83 bf f8 07 00 00 00 48 89 e5 74 0c <0f> 0b 31
f6 89 f0 5d e9 0c 65 01 e5 48 83 bf e0 07 00 00 00 75 ea
RSP: 0018:ffffa5f000816ed8 EFLAGS: 00010246
[...]
PKRU: 55555554
Call Trace:
<TASK>
? show_regs+0x65/0x70
? __warn+0x85/0x160
? resource_get_opp_heads_for_otg_master+0x13/0x70 [amdgpu]
? report_bug+0x192/0x1c0
? handle_bug+0x44/0x90
? exc_invalid_op+0x18/0x70
[...]
This warning is triggered by a check in the function
resource_get_opp_heads_for_otg_master that validates if the request
operation is in a master OTG pipe; if not, the warning above is
displayed. In other words, another part of the code might be calling
this function in a non-OTG master pipe context, resulting in the log
message.
The reason the ASSERT was triggered is that the current state wasn't
updated after applying the context to the hardware. This means that the
update_dsc_for_odm_change might be called from a non-OTG-MASTER. To
prevent this, it's crucial to check if the current reference is pointing
to an OTG master before operate in the old OTG master reference. If it's
not, the function must set the old OTG reference to NULL and avoid
calling resource_get_opp_heads_for_otg_master before the context is
updated.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Co-developed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Integer divisions result in loss of fractional and accuracy is lost
when assigned or compared with double. It is necessary to perform
double/integer instead or explicitly cast them to double.
This fixes 54 UNINTENDED_INTEGER_DIVISION issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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resource_get_odm_slice_count and resource_get_otg_master_for_stream can
return null, and their returns must be checked before used.
This fixes 4 NULL_RETURNS issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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dc_state_get_stream_status dc_state_get_paired_subvp_stream and other
functions can return null, and therefore null must be checked before
status can be used.
This fixes 21 NULL_RETURNS issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Need to reconfigure ODM when resyncing FIFO because on OTG disable we
clear all ODM programming
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When users run the command:
cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log
The following NULL pointer dereference happens:
[ +0.000003] BUG: kernel NULL pointer dereference, address: NULL
[ +0.000005] #PF: supervisor instruction fetch in kernel mode
[ +0.000002] #PF: error_code(0x0010) - not-present page
[ +0.000002] PGD 0 P4D 0
[ +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI
[ +0.000003] RIP: 0010:0x0
[ +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[...]
[ +0.000002] PKRU: 55555554
[ +0.000002] Call Trace:
[ +0.000002] <TASK>
[ +0.000003] ? show_regs+0x65/0x70
[ +0.000006] ? __die+0x24/0x70
[ +0.000004] ? page_fault_oops+0x160/0x470
[ +0.000006] ? do_user_addr_fault+0x2b5/0x690
[ +0.000003] ? prb_read_valid+0x1c/0x30
[ +0.000005] ? exc_page_fault+0x8c/0x1a0
[ +0.000005] ? asm_exc_page_fault+0x27/0x30
[ +0.000012] dcn10_log_color_state+0xf9/0x510 [amdgpu]
[ +0.000306] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000003] ? vsnprintf+0x2fb/0x600
[ +0.000009] dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]
[ +0.000218] ? __mod_memcg_lruvec_state+0xe8/0x170
[ +0.000008] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000002] ? debug_smp_processor_id+0x17/0x20
[ +0.000003] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000002] ? set_ptes.isra.0+0x2b/0x90
[ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000002] ? _raw_spin_unlock+0x19/0x40
[ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000002] ? do_anonymous_page+0x337/0x700
[ +0.000004] dtn_log_read+0x82/0x120 [amdgpu]
[ +0.000207] full_proxy_read+0x66/0x90
[ +0.000007] vfs_read+0xb0/0x340
[ +0.000005] ? __count_memcg_events+0x79/0xe0
[ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5
[ +0.000003] ? count_memcg_events.constprop.0+0x1e/0x40
[ +0.000003] ? handle_mm_fault+0xb2/0x370
[ +0.000003] ksys_read+0x6b/0xf0
[ +0.000004] __x64_sys_read+0x19/0x20
[ +0.000003] do_syscall_64+0x60/0x130
[ +0.000004] entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ +0.000003] RIP: 0033:0x7fdf32f147e2
[...]
This error happens when the color log tries to read the gamut remap
information from DCN401 which is not initialized in the dcn401_dpp_funcs
which leads to a null pointer dereference. This commit addresses this
issue by adding a proper guard to access the gamut_remap callback in
case the specific ASIC did not implement this function.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Mirror case unsupported for cursors. So, remove code for mirror case
with cursors.
Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Sridevi Arvindekar <sarvinde@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Checks null pointer before accessing various structs.
This fixes 5 NULL_RETURNS issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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this selftest is designed for evaluating the SRv6 End.DX6 behavior
used with netfilter(rpfilter), in this example, for implementing
IPv6 L3 VPN use cases.
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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this selftest is designed for evaluating the SRv6 End.DX4 behavior
used with netfilter(rpfilter), in this example, for implementing
IPv4 L3 VPN use cases.
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently, the sysctl net.netfilter.nf_hooks_lwtunnel depends on the
nf_conntrack module, but the nf_conntrack module is not always loaded.
Therefore, accessing net.netfilter.nf_hooks_lwtunnel may have an error.
Move sysctl nf_hooks_lwtunnel into the netfilter core.
Fixes: 7a3f5b0de364 ("netfilter: add netfilter hooks to SRv6 data plane")
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Only export struct fb_info.fix.smem_start if that is required by the
user and the memory does not come from vmalloc().
Setting struct fb_info.fix.smem_start breaks systems where DMA
memory is backed by vmalloc address space. An example error is
shown below.
[ 3.536043] ------------[ cut here ]------------
[ 3.540716] virt_to_phys used for non-linear address: 000000007fc4f540 (0xffff800086001000)
[ 3.552628] WARNING: CPU: 4 PID: 61 at arch/arm64/mm/physaddr.c:12 __virt_to_phys+0x68/0x98
[ 3.565455] Modules linked in:
[ 3.568525] CPU: 4 PID: 61 Comm: kworker/u12:5 Not tainted 6.6.23-06226-g4986cc3e1b75-dirty #250
[ 3.577310] Hardware name: NXP i.MX95 19X19 board (DT)
[ 3.582452] Workqueue: events_unbound deferred_probe_work_func
[ 3.588291] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 3.595233] pc : __virt_to_phys+0x68/0x98
[ 3.599246] lr : __virt_to_phys+0x68/0x98
[ 3.603276] sp : ffff800083603990
[ 3.677939] Call trace:
[ 3.680393] __virt_to_phys+0x68/0x98
[ 3.684067] drm_fbdev_dma_helper_fb_probe+0x138/0x238
[ 3.689214] __drm_fb_helper_initial_config_and_unlock+0x2b0/0x4c0
[ 3.695385] drm_fb_helper_initial_config+0x4c/0x68
[ 3.700264] drm_fbdev_dma_client_hotplug+0x8c/0xe0
[ 3.705161] drm_client_register+0x60/0xb0
[ 3.709269] drm_fbdev_dma_setup+0x94/0x148
Additionally, DMA memory is assumed to by contiguous in physical
address space, which is not guaranteed by vmalloc().
Resolve this by checking the module flag drm_leak_fbdev_smem when
DRM allocated the instance of struct fb_info. Fbdev-dma then only
sets smem_start only if required (via FBINFO_HIDE_SMEM_START). Also
guarantee that the framebuffer is not located in vmalloc address
space.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: Peng Fan (OSS) <peng.fan@oss.nxp.com>
Closes: https://lore.kernel.org/dri-devel/20240604080328.4024838-1-peng.fan@oss.nxp.com/
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Closes: https://lore.kernel.org/dri-devel/CAMuHMdX3N0szUvt1VTbroa2zrT1Nye_VzPb5qqCZ7z5gSm7HGw@mail.gmail.com/
Fixes: a51c7663f144 ("drm/fb-helper: Consolidate CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM")
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> # v6.4+
Link: https://patchwork.freedesktop.org/patch/msgid/20240617152843.11886-1-tzimmermann@suse.de
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On some systems the processor thermal device interrupt is shared with
other PCI devices. In this case return IRQ_NONE from the interrupt
handler when the interrupt is not for the processor thermal device.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Fixes: f0658708e863 ("thermal: int340x: processor_thermal: Use non MSI interrupts by default")
Cc: 6.7+ <stable@vger.kernel.org> # 6.7+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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dma_heap_allocation_data defines the UAPI as follows:
struct dma_heap_allocation_data {
__u64 len;
__u32 fd;
__u32 fd_flags;
__u64 heap_flags;
};
But dma heaps are casting both fd_flags and heap_flags into
unsigned long. This patch makes dma heaps - cma heap and
system heap have consistent types with UAPI.
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Acked-by: John Stultz <jstultz@google.com>
Reviewed-by: Carlos Llamas <cmllamas@google.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240606020213.49854-1-21cnbao@gmail.com
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behaviors
input_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for
PREROUTING hook, in PREROUTING hook, we should passing a valid indev,
and a NULL outdev to NF_HOOK(), otherwise may trigger a NULL pointer
dereference, as below:
[74830.647293] BUG: kernel NULL pointer dereference, address: 0000000000000090
[74830.655633] #PF: supervisor read access in kernel mode
[74830.657888] #PF: error_code(0x0000) - not-present page
[74830.659500] PGD 0 P4D 0
[74830.660450] Oops: 0000 [#1] PREEMPT SMP PTI
...
[74830.664953] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[74830.666569] RIP: 0010:rpfilter_mt+0x44/0x15e [ipt_rpfilter]
...
[74830.689725] Call Trace:
[74830.690402] <IRQ>
[74830.690953] ? show_trace_log_lvl+0x1c4/0x2df
[74830.692020] ? show_trace_log_lvl+0x1c4/0x2df
[74830.693095] ? ipt_do_table+0x286/0x710 [ip_tables]
[74830.694275] ? __die_body.cold+0x8/0xd
[74830.695205] ? page_fault_oops+0xac/0x140
[74830.696244] ? exc_page_fault+0x62/0x150
[74830.697225] ? asm_exc_page_fault+0x22/0x30
[74830.698344] ? rpfilter_mt+0x44/0x15e [ipt_rpfilter]
[74830.699540] ipt_do_table+0x286/0x710 [ip_tables]
[74830.700758] ? ip6_route_input+0x19d/0x240
[74830.701752] nf_hook_slow+0x3f/0xb0
[74830.702678] input_action_end_dx4+0x19b/0x1e0
[74830.703735] ? input_action_end_t+0xe0/0xe0
[74830.704734] seg6_local_input_core+0x2d/0x60
[74830.705782] lwtunnel_input+0x5b/0xb0
[74830.706690] __netif_receive_skb_one_core+0x63/0xa0
[74830.707825] process_backlog+0x99/0x140
[74830.709538] __napi_poll+0x2c/0x160
[74830.710673] net_rx_action+0x296/0x350
[74830.711860] __do_softirq+0xcb/0x2ac
[74830.713049] do_softirq+0x63/0x90
input_action_end_dx4() passing a NULL indev to NF_HOOK(), and finally
trigger a NULL dereference in rpfilter_mt()->rpfilter_is_loopback():
static bool
rpfilter_is_loopback(const struct sk_buff *skb,
const struct net_device *in)
{
// in is NULL
return skb->pkt_type == PACKET_LOOPBACK ||
in->flags & IFF_LOOPBACK;
}
Fixes: 7a3f5b0de364 ("netfilter: add netfilter hooks to SRv6 data plane")
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When destroying all sets, we are either in pernet exit phase or
are executing a "destroy all sets command" from userspace. The latter
was taken into account in ip_set_dereference() (nfnetlink mutex is held),
but the former was not. The patch adds the required check to
rcu_dereference_protected() in ip_set_dereference().
Fixes: 4e7aaa6b82d6 ("netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type")
Reported-by: syzbot+b62c37cdd58103293a5a@syzkaller.appspotmail.com
Reported-by: syzbot+cfbe1da5fdfc39efc293@syzkaller.appspotmail.com
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202406141556.e0b6f17e-lkp@intel.com
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The patch 15a6af94a277 ("spi: Increase imx51 ecspi burst length based
on transfer length") increased the burst length calculation in
mx51_ecspi_prepare_transfer() to be based on the transfer length.
This breaks HW CS + SPI_CS_WORD support which was added in
6e95b23a5b2d ("spi: imx: Implement support for CS_WORD") and transfers
with bits-per-word != 8, 16, 32.
SPI_CS_WORD means the CS should be toggled after each word. The
implementation in the imx-spi driver relies on the fact that the HW CS
is toggled automatically by the controller after each burst length
number of bits. Setting the burst length to the number of bits of the
_whole_ message breaks this use case.
Further the patch 15a6af94a277 ("spi: Increase imx51 ecspi burst
length based on transfer length") claims to optimize the transfers.
But even without this patch, on modern spi-imx controllers with
"dynamic_burst = true" (imx51, imx6 and newer), the transfers are
already optimized, i.e. the burst length is dynamically adjusted in
spi_imx_push() to avoid the pause between the SPI bursts. This has
been confirmed by a scope measurement on an imx6d.
Subsequent Patches tried to fix these and other problems:
- 5f66db08cbd3 ("spi: imx: Take in account bits per word instead of assuming 8-bits")
- e9b220aeacf1 ("spi: spi-imx: correctly configure burst length when using dma")
- c712c05e46c8 ("spi: imx: fix the burst length at DMA mode and CPU mode")
- cf6d79a0f576 ("spi: spi-imx: fix off-by-one in mx51 CPU mode burst length")
but the HW CS + SPI_CS_WORD use case is still broken.
To fix the problems revert the burst size calculation in
mx51_ecspi_prepare_transfer() back to the original form, before
15a6af94a277 ("spi: Increase imx51 ecspi burst length based on
transfer length") was applied.
Cc: Stefan Moring <stefan.moring@technolution.nl>
Cc: Stefan Bigler <linux@bigler.io>
Cc: Clark Wang <xiaoning.wang@nxp.com>
Cc: Carlos Song <carlos.song@nxp.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Thorsten Scherer <T.Scherer@eckelmann.de>
Fixes: 15a6af94a277 ("spi: Increase imx51 ecspi burst length based on transfer length")
Fixes: 5f66db08cbd3 ("spi: imx: Take in account bits per word instead of assuming 8-bits")
Fixes: e9b220aeacf1 ("spi: spi-imx: correctly configure burst length when using dma")
Fixes: c712c05e46c8 ("spi: imx: fix the burst length at DMA mode and CPU mode")
Fixes: cf6d79a0f576 ("spi: spi-imx: fix off-by-one in mx51 CPU mode burst length")
Link: https://lore.kernel.org/all/20240618-oxpecker-of-ideal-mastery-db59f8-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://msgid.link/r/20240618-spi-imx-fix-bustlength-v1-1-2053dd5fdf87@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Previously pgattr_change_is_safe() was overly-strict and complained
(e.g. "[ 116.262743] __check_safe_pte_update: unsafe attribute change:
0x0560000043768fc3 -> 0x0160000043768fc3") if it saw any SW bits change
in a live PTE. There is no such restriction on SW bits in the Arm ARM.
Until now, no SW bits have been updated in live mappings via the
set_ptes() route. PTE_DIRTY would be updated live, but this is handled
by ptep_set_access_flags() which does not call pgattr_change_is_safe().
However, with the introduction of uffd-wp for arm64, there is core-mm
code that does ptep_get(); pte_clear_uffd_wp(); set_ptes(); which
triggers this false warning.
Silence this warning by masking out the SW bits during checks.
The bug isn't technically in the highlighted commit below, but that's
where bisecting would likely lead as its what made the bug user-visible.
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Fixes: 5b32510af77b ("arm64/mm: Add uffd write-protect support")
Link: https://lore.kernel.org/r/20240619121859.4153966-1-ryan.roberts@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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Netlink flags, although they don't have payload at the netlink level,
are represented as having "True" as value in pyroute2.
Without it, trying to add a flow with a flag-type action (e.g: pop_vlan)
fails with the following traceback:
Traceback (most recent call last):
File "[...]/ovs-dpctl.py", line 2498, in <module>
sys.exit(main(sys.argv))
^^^^^^^^^^^^^^
File "[...]/ovs-dpctl.py", line 2487, in main
ovsflow.add_flow(rep["dpifindex"], flow)
File "[...]/ovs-dpctl.py", line 2136, in add_flow
reply = self.nlm_request(
^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/nlsocket.py", line 822, in nlm_request
return tuple(self._genlm_request(*argv, **kwarg))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/generic/__init__.py", line 126, in
nlm_request
return tuple(super().nlm_request(*argv, **kwarg))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/nlsocket.py", line 1124, in nlm_request
self.put(msg, msg_type, msg_flags, msg_seq=msg_seq)
File "[...]/pyroute2/netlink/nlsocket.py", line 389, in put
self.sendto_gate(msg, addr)
File "[...]/pyroute2/netlink/nlsocket.py", line 1056, in sendto_gate
msg.encode()
File "[...]/pyroute2/netlink/__init__.py", line 1245, in encode
offset = self.encode_nlas(offset)
^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/__init__.py", line 1560, in encode_nlas
nla_instance.setvalue(cell[1])
File "[...]/pyroute2/netlink/__init__.py", line 1265, in setvalue
nlv.setvalue(nla_tuple[1])
~~~~~~~~~^^^
IndexError: list index out of range
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the below build warning messages that are
caused due to linking same files to multiple modules by
exporting the required symbols.
"scripts/Makefile.build:244: drivers/net/ethernet/marvell/octeontx2/nic/Makefile:
otx2_devlink.o is added to multiple modules: rvu_nicpf rvu_nicvf
scripts/Makefile.build:244: drivers/net/ethernet/marvell/octeontx2/nic/Makefile:
otx2_dcbnl.o is added to multiple modules: rvu_nicpf rvu_nicvf"
Fixes: 8e67558177f8 ("octeontx2-pf: PFC config support with DCBx").
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should honor requested uncached mode also at the TTM layer.
Otherwise, we risk losing updates to the memory based interrupts
source or status vectors, as those require uncached memory.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618104947.729-1-michal.wajdeczko@intel.com
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MediaTek MT8188 has a Mali-G57 MC3 (Valhall-JM): add a new
compatible and platform data using the same supplies and the
same power domain lists as MT8183 (one regulator, three power
domains).
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611085602.491324-3-angelogioacchino.delregno@collabora.com
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Add a compatible for the MediaTek MT8188 SoC, with an integrated
ARM Mali G57 MC3 (Valhall-JM) GPU.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611085602.491324-2-angelogioacchino.delregno@collabora.com
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LPM consists of HIPM (host initiated power management) and DIPM
(device initiated power management).
ata_eh_set_lpm() will only enable HIPM if both the HBA and the device
supports it.
However, DIPM will be enabled as long as the device supports it.
The HBA will later reject the device's request to enter a power state
that it does not support (Slumber/Partial/DevSleep) (DevSleep is never
initiated by the device).
For a HBA that doesn't support any LPM states, simply don't set a LPM
policy such that all the HIPM/DIPM probing/enabling will be skipped.
Not enabling HIPM or DIPM in the first place is safer than relying on
the device following the AHCI specification and respecting the NAK.
(There are comments in the code that some devices misbehave when
receiving a NAK.)
Performing this check in ahci_update_initial_lpm_policy() also has the
advantage that a HBA that doesn't support any LPM states will take the
exact same code paths as a port that is external/hot plug capable.
Side note: the port in ata_port_dbg() has not been given a unique id yet,
but this is not overly important as the debug print is disabled unless
explicitly enabled using dynamic debug. A follow-up series will make sure
that the unique id assignment will be done earlier. For now, the important
thing is that the function returns before setting the LPM policy.
Fixes: 7627a0edef54 ("ata: ahci: Drop low power policy board type")
Cc: stable@vger.kernel.org
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240618152828.2686771-2-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
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otx2_sq_append_skb makes used of __vlan_hwaccel_push_inside()
to unoffload VLANs - push them from skb meta data into skb data.
However, it omitts a check for __vlan_hwaccel_push_inside()
returning NULL.
Found by inspection based on [1] and [2].
Compile tested only.
[1] Re: [PATCH net-next v1] net: stmmac: Enable TSO on VLANs
https://lore.kernel.org/all/ZmrN2W8Fye450TKs@shell.armlinux.org.uk/
[2] Re: [PATCH net-next v2] net: stmmac: Enable TSO on VLANs
https://lore.kernel.org/all/CANn89i+11L5=tKsa7V7Aeyxaj6nYGRwy35PAbCRYJ73G+b25sg@mail.gmail.com/
Fixes: fd9d7859db6c ("octeontx2-pf: Implement ingress/egress VLAN offload")
Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CI has been sporadically reporting the following issue triggered by
igt@i915_selftest@live@hangcheck on ADL-P and similar machines:
<6> [414.049203] i915: Running intel_hangcheck_live_selftests/igt_reset_evict_fence
...
<6> [414.068804] i915 0000:00:02.0: [drm] GT0: GUC: submission enabled
<6> [414.068812] i915 0000:00:02.0: [drm] GT0: GUC: SLPC enabled
<3> [414.070354] Unable to pin Y-tiled fence; err:-4
<3> [414.071282] i915_vma_revoke_fence:301 GEM_BUG_ON(!i915_active_is_idle(&fence->active))
...
<4>[ 609.603992] ------------[ cut here ]------------
<2>[ 609.603995] kernel BUG at drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c:301!
<4>[ 609.604003] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4>[ 609.604006] CPU: 0 PID: 268 Comm: kworker/u64:3 Tainted: G U W 6.9.0-CI_DRM_14785-g1ba62f8cea9c+ #1
<4>[ 609.604008] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR4 RVP, BIOS RPLPFWI1.R00.4035.A00.2301200723 01/20/2023
<4>[ 609.604010] Workqueue: i915 __i915_gem_free_work [i915]
<4>[ 609.604149] RIP: 0010:i915_vma_revoke_fence+0x187/0x1f0 [i915]
...
<4>[ 609.604271] Call Trace:
<4>[ 609.604273] <TASK>
...
<4>[ 609.604716] __i915_vma_evict+0x2e9/0x550 [i915]
<4>[ 609.604852] __i915_vma_unbind+0x7c/0x160 [i915]
<4>[ 609.604977] force_unbind+0x24/0xa0 [i915]
<4>[ 609.605098] i915_vma_destroy+0x2f/0xa0 [i915]
<4>[ 609.605210] __i915_gem_object_pages_fini+0x51/0x2f0 [i915]
<4>[ 609.605330] __i915_gem_free_objects.isra.0+0x6a/0xc0 [i915]
<4>[ 609.605440] process_scheduled_works+0x351/0x690
...
In the past, there were similar failures reported by CI from other IGT
tests, observed on other platforms.
Before commit 63baf4f3d587 ("drm/i915/gt: Only wait for GPU activity
before unbinding a GGTT fence"), i915_vma_revoke_fence() was waiting for
idleness of vma->active via fence_update(). That commit introduced
vma->fence->active in order for the fence_update() to be able to wait
selectively on that one instead of vma->active since only idleness of
fence registers was needed. But then, another commit 0d86ee35097a
("drm/i915/gt: Make fence revocation unequivocal") replaced the call to
fence_update() in i915_vma_revoke_fence() with only fence_write(), and
also added that GEM_BUG_ON(!i915_active_is_idle(&fence->active)) in front.
No justification was provided on why we might then expect idleness of
vma->fence->active without first waiting on it.
The issue can be potentially caused by a race among revocation of fence
registers on one side and sequential execution of signal callbacks invoked
on completion of a request that was using them on the other, still
processed in parallel to revocation of those fence registers. Fix it by
waiting for idleness of vma->fence->active in i915_vma_revoke_fence().
Fixes: 0d86ee35097a ("drm/i915/gt: Make fence revocation unequivocal")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/10021
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: stable@vger.kernel.org # v5.8+
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240603195446.297690-2-janusz.krzysztofik@linux.intel.com
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Heng Qi says:
====================
virtio_net: fixes for checksum offloading and XDP handling
This series of patches aim to address two specific issues identified
in the virtio_net driver related to checksum offloading and XDP
processing of fully checksummed packets.
The first patch corrects the handling of checksum offloading in the
driver. The second patch addresses an issue where the XDP program had
no trouble with fully checksummed packets.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The XDP program can't correctly handle partially checksummed
packets, but works fine with fully checksummed packets. If the
device has already validated fully checksummed packets, then
the driver doesn't need to re-validate them, saving CPU resources.
Additionally, the driver does not drop all partially checksummed
packets when VIRTIO_NET_F_GUEST_CSUM is not negotiated. This is
not a bug, as the driver has always done this.
Fixes: 436c9453a1ac ("virtio-net: keep vnet header zeroed after processing XDP")
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In virtio spec 0.95, VIRTIO_NET_F_GUEST_CSUM was designed to handle
partially checksummed packets, and the validation of fully checksummed
packets by the device is independent of VIRTIO_NET_F_GUEST_CSUM
negotiation. However, the specification erroneously stated:
"If VIRTIO_NET_F_GUEST_CSUM is not negotiated, the device MUST set flags
to zero and SHOULD supply a fully checksummed packet to the driver."
This statement is inaccurate because even without VIRTIO_NET_F_GUEST_CSUM
negotiation, the device can still set the VIRTIO_NET_HDR_F_DATA_VALID flag.
Essentially, the device can facilitate the validation of these packets'
checksums - a process known as RX checksum offloading - removing the need
for the driver to do so.
This scenario is currently not implemented in the driver and requires
correction. The necessary specification correction[1] has been made and
approved in the virtio TC vote.
[1] https://lists.oasis-open.org/archives/virtio-comment/202401/msg00011.html
Fixes: 4f49129be6fa ("virtio-net: Set RXCSUM feature if GUEST_CSUM is available")
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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After ecf848eb934b ("net: usb: ax88179_178a: fix link status when link is
set to down/up") to not reset from usbnet_open after the reset from
usbnet_probe at initialization stage to speed up this, some issues have
been reported.
It seems to happen that if the initialization is slower, and some time
passes between the probe operation and the open operation, the second reset
from open is necessary too to have the device working. The reason is that
if there is no activity with the phy, this is "disconnected".
In order to improve this, the solution is to detect when the phy is
"disconnected", and we can use the phy status register for this. So we will
only reset the device from reset operation in this situation, that is, only
if necessary.
The same bahavior is happening when the device is stopped (link set to
down) and later is restarted (link set to up), so if the phy keeps working
we only need to enable the mac again, but if enough time passes between the
device stop and restart, reset is necessary, and we can detect the
situation checking the phy status register too.
cc: stable@vger.kernel.org # 6.6+
Fixes: ecf848eb934b ("net: usb: ax88179_178a: fix link status when link is set to down/up")
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Reported-by: Antje Miederhöfer <a.miederhoefer@gmx.de>
Reported-by: Arne Fitzenreiter <arne_f@ipfire.org>
Tested-by: Yongqin Liu <yongqin.liu@linaro.org>
Tested-by: Antje Miederhöfer <a.miederhoefer@gmx.de>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit
6791e0ea3071 ("x86/resctrl: Access per-rmid structures by index")
adds logic to map individual monitoring groups into a global index space used
for tracking allocated RMIDs.
Attempts to free the default RMID are ignored in free_rmid(), and this works
fine on x86.
With arm64 MPAM, there is a latent bug here however: on platforms with no
monitors exposed through resctrl, each control group still gets a different
monitoring group ID as seen by the hardware, since the CLOSID always forms part
of the monitoring group ID.
This means that when removing a control group, the code may try to free this
group's default monitoring group RMID for real. If there are no monitors
however, the RMID tracking table rmid_ptrs[] would be a waste of memory and is
never allocated, leading to a splat when free_rmid() tries to dereference the
table.
One option would be to treat RMID 0 as special for every CLOSID, but this would
be ugly since bookkeeping still needs to be done for these monitoring group IDs
when there are monitors present in the hardware.
Instead, add a gating check of resctrl_arch_mon_capable() in free_rmid(), and
just do nothing if the hardware doesn't have monitors.
This fix mirrors the gating checks already present in
mkdir_rdt_prepare_rmid_alloc() and elsewhere.
No functional change on x86.
[ bp: Massage commit message. ]
Fixes: 6791e0ea3071 ("x86/resctrl: Access per-rmid structures by index")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20240618140152.83154-1-Dave.Martin@arm.com
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simple_bridge_probe() calls drm_bridge_add()
Thus, drm_bridge_remove() must be called in the remove() callback.
If we call devm_drm_bridge_add() instead, then drm_bridge_remove()
will be called automatically at device release, and the remove()
callback is no longer required.
Signed-off-by: Marc Gonzalez <mgonzalez@freebox.fr>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618-devm-simple-bridge-v1-1-c7ed8a09fcc5@freebox.fr
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Sync to v6.10-rc3.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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PORT_ALPM_* registers are using MMIO_TRANS2 macro. This is not correct as
they are port register. Use _PORT_MMIO instead.
Fixes: 4ee30a448255 ("drm/i915/alpm: Add ALPM register definitions")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-10-jouni.hogander@intel.com
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This reverts commit f3c2031db7dfdf470a2d9bf3bd1efa6edfa72d8d.
We want to notice possible issues faced with PSR2 Region Early Transport as
early as possible -> let's revert patch disabling Region Early Transport by
default. Also eDP 1.5 Panel Replay requires Early Transport.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-9-jouni.hogander@intel.com
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Add new debug bit to be used with i915_edp_psr_debug debugfs
interface. This can be used to disable Panel Replay.
v2: ensure that fastset is performed when the bit changes
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-8-jouni.hogander@intel.com
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Enabling/disabling Panel Replay on sink side has to be done before link
training. We can't disable it in sink side on PSR disable.
Fixes: 88ae6c65ecdb ("drm/i915/psr: Unify panel replay enable/disable sink")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-7-jouni.hogander@intel.com
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Currently PSR2 SU Region Early Transport is enabled by default on Lunarlake
if panel supports it despite enable_psr module parameter value. This patch
makes it possible for user to limit used PSR mode and prevent SU Region
Early Transport by setting enable_psr as 2. With default (-1) PSR2 SU
Region Early Transport is allowed.
v2: fix/improve commit desciption
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-6-jouni.hogander@intel.com
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If user is specifically limiting PSR mode to PSR1 or PSR2: disable Panel
Replay. With default value -1 all modes are allowed including Panel
Replay. Disabling PSR using value 0 disables Panel Replay as well.
Also own compute config helper is added for Panel Replay. This makes sense
because number of Panel Replay specific checks are increasing.
v2: Squash adding Panel Replay compute config helper
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-5-jouni.hogander@intel.com
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Port clock is link rate in 10 kbit/s units. Take this into account when
calculating AUX Less wake time.
Fixes: da6a9836ac09 ("drm/i915/psr: Calculate aux less wake time")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618053026.3268759-4-jouni.hogander@intel.com
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