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Mon, 18 Dec 2023 08:44:57 -0800 (PST) Message-ID: <3aeb708d-a4fa-45b5-9d74-260ef2035b4a@suse.com> Date: Mon, 18 Dec 2023 17:44:56 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG]i2c_hid_acpi broken with 4.17.2 on Framework Laptop 13 AMD Content-Language: en-US To: =?UTF-8?Q?S=C3=A9bastien_Chaumat?= References: <7f34d258-97fa-43e8-8d67-ac9dc93213af@suse.com> <52bd8702-cf7d-4f5b-883d-be6214ba31c0@suse.com> <435d159f-96d5-49af-82ec-bce6961e3391@suse.com> <64d738b7-08c1-4b2c-a828-a137c870408e@suse.com> Cc: xen-devel@lists.xenproject.org From: Jan Beulich Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 18.12.2023 17:21, Sébastien Chaumat wrote: >>>>> On 05.12.2023 21:31, Sébastien Chaumat wrote: >>> This issue seems that IRQ 7 (the GPIO controller) is natively fasteoi >>> (so level type) while in xen it is mapped to oapic-edge instead of >>> oapic-level >>> as the SSDT indicates : >>> >>> Device (GPIO) >>> >>> { >>> Name (_HID, "AMDI0030") // _HID: Hardware ID >>> Name (_CID, "AMDI0030") // _CID: Compatible ID >>> Name (_UID, Zero) // _UID: Unique ID >>> Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings >>> { >>> Name (RBUF, ResourceTemplate () >>> { >>> Interrupt (ResourceConsumer, Level, ActiveLow, Shared, ,, ) >>> { >>> 0x00000007, >>> } >>> Any idea why ? >> >> Information coming from AML is required to be handed down by Dom0 to Xen. >> May want checking that (a) Dom0 properly does so and (b) Xen doesn't screw >> up in consuming that data. See PHYSDEVOP_setup_gsi. I wonder if this is >> specific to it being IRQ7 which GPIO uses, as at the (master) PIC IRQ7 is >> also the spurious vector. You may want to retry with the tip of the 4.17 >> branch (soon to become 4.17.3) - while it doesn't look very likely to me >> that recent backports there were related, it may still be that they make >> a difference. >> > > testing with 4.17.3: > > Adding some printk in PHYSDEVOP_setup_gsi, I see (in xl dmesg) that > (XEN) PHYSDEVOP_setup_gsi setup_gsi : gsi: 7 triggering: 1 polarity: 1 > > but later on in dmesg I see : > [ 1.747958] xen: registering gsi 7 triggering 0 polarity 1 > > So triggering is flipped from 1 to 0 (cannot find the definition for > those values). > Could this be the culprit ? Possibly. Since it would be the kernel to invoke PHYSDEVOP_setup_gsi, it looks as if the kernel was confused about which trigger mode to use. Have you figured from where the kernel takes the two different values? Jan