| From | Ben Hutchings <> | Date | Sat, 07 Jun 2014 02:26:29 +0100 | Subject | [PATCH 3.2 79/92] drm/radeon: handle non-VGA class pci devices with ATRM |
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3.2.60-rc1 review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexdeucher@gmail.com>
commit d8ade3526b2aa0505132c404c05a38b73ea15490 upstream.
Newer PX systems have non-VGA pci class dGPUs. Update the ATRM fetch method to handle those cases.
bug: https://bugzilla.kernel.org/show_bug.cgi?id=75401
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> [bwh: Backported to 3.2: s/ACPI_HANDLE()/DEVICE_ACPI_HANDLE()/] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/gpu/drm/radeon/radeon_bios.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -173,6 +173,20 @@ static bool radeon_atrm_get_bios(struct } } + if (!found) { + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { + dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); + if (!dhandle) + continue; + + status = acpi_get_handle(dhandle, "ATRM", &atrm_handle); + if (!ACPI_FAILURE(status)) { + found = true; + break; + } + } + } + if (!found) return false; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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