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authorSebastian Reichel <sre@kernel.org>2014-05-06 15:44:50 +0200
committerSebastian Reichel <sre@kernel.org>2014-05-06 15:44:50 +0200
commit695f5ec02203ef23f127eacb86991d23307f3c6f (patch)
treeecb9c29268fa34559dfa06472d991bc5d92708be /drivers/gpu/drm/radeon/radeon_atpx_handler.c
parent5bdeae302496a8ac49848f4fed26b1d87a67d966 (diff)
parent793ec5f7dccf95c0d6d5d57a925a13261a7cbd2b (diff)
downloadlinux-n900-dt-with-ssi.tar.bz2
Merge branch 'n900-modem-support' into n900-dt-with-ssin900-dt-with-ssi
Conflicts: arch/arm/boot/dts/omap3-n900.dts
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atpx_handler.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atpx_handler.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index dedea72f48c4..a9fb0d016d38 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -528,6 +528,13 @@ static bool radeon_atpx_detect(void)
has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
}
+ /* some newer PX laptops mark the dGPU as a non-VGA display device */
+ while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
+ vga_count++;
+
+ has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+ }
+
if (has_atpx && vga_count == 2) {
acpi_get_name(radeon_atpx_priv.atpx.handle, ACPI_FULL_PATHNAME, &buffer);
printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",