From: Alex Deucher <alexdeucher@gmail.com> To: amd-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org, tiwai@suse.de Cc: Alex Deucher <alexander.deucher@amd.com> Subject: [alsa-devel] [PATCH] ALSA: hda/hdmi - fix atpx_present when CLASS is not VGA Date: Fri, 20 Dec 2019 19:17:02 -0500 [thread overview] Message-ID: <20191221001702.1338587-1-alexander.deucher@amd.com> (raw) You can't use PCI_BASE_CLASS with pci_get_class(). This happens to work by luck on devices with PCI_CLASS_DISPLAY_VGA, but misses PCI_CLASS_DISPLAY_OTHER. Add a check for those as well. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> --- sound/pci/hda/hda_intel.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index b856b89378ac..f69c8de64bd6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1410,7 +1410,17 @@ static bool atpx_present(void) acpi_handle dhandle, atpx_handle; acpi_status status; - while ((pdev = pci_get_class(PCI_BASE_CLASS_DISPLAY << 16, pdev)) != NULL) { + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) { + dhandle = ACPI_HANDLE(&pdev->dev); + if (dhandle) { + status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); + if (!ACPI_FAILURE(status)) { + pci_dev_put(pdev); + return true; + } + } + } + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { dhandle = ACPI_HANDLE(&pdev->dev); if (dhandle) { status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); -- 2.24.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
WARNING: multiple messages have this Message-ID (diff)
From: Alex Deucher <alexdeucher@gmail.com> To: amd-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org, tiwai@suse.de Cc: Alex Deucher <alexander.deucher@amd.com> Subject: [PATCH] ALSA: hda/hdmi - fix atpx_present when CLASS is not VGA Date: Fri, 20 Dec 2019 19:17:02 -0500 [thread overview] Message-ID: <20191221001702.1338587-1-alexander.deucher@amd.com> (raw) You can't use PCI_BASE_CLASS with pci_get_class(). This happens to work by luck on devices with PCI_CLASS_DISPLAY_VGA, but misses PCI_CLASS_DISPLAY_OTHER. Add a check for those as well. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> --- sound/pci/hda/hda_intel.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index b856b89378ac..f69c8de64bd6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1410,7 +1410,17 @@ static bool atpx_present(void) acpi_handle dhandle, atpx_handle; acpi_status status; - while ((pdev = pci_get_class(PCI_BASE_CLASS_DISPLAY << 16, pdev)) != NULL) { + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) { + dhandle = ACPI_HANDLE(&pdev->dev); + if (dhandle) { + status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); + if (!ACPI_FAILURE(status)) { + pci_dev_put(pdev); + return true; + } + } + } + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { dhandle = ACPI_HANDLE(&pdev->dev); if (dhandle) { status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); -- 2.24.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next reply other threads:[~2019-12-21 0:18 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-21 0:17 Alex Deucher [this message] 2019-12-21 0:17 ` [PATCH] ALSA: hda/hdmi - fix atpx_present when CLASS is not VGA Alex Deucher 2019-12-21 8:29 ` [alsa-devel] " Takashi Iwai 2019-12-21 8:29 ` Takashi Iwai
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