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| author | Dave Airlie <airlied@redhat.com> | 2013-05-15 01:23:36 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-19 11:38:45 -0700 |
| commit | e48c45d58f425fe3ff5a0e8a7584121682643096 (patch) | |
| tree | 7194ab9756cba254d02bd1c75946e48606747105 | |
| parent | 916214e6b5dbfa96790b4a88c3a054093796bb15 (diff) | |
| download | lwn-e48c45d58f425fe3ff5a0e8a7584121682643096.tar.gz lwn-e48c45d58f425fe3ff5a0e8a7584121682643096.zip | |
drm/radeon: restore nomodeset operation (v2)
commit e9ced8e040ebe40e9953db90acbe7d0b58702ebb upstream.
When UMS was deprecated it removed support for nomodeset commandline
we really want this in distro land so we can debug stuff, everyone
should fallback to vesa correctly.
v2: oops -1 isn't used anymore, restore original behaviour
-1 is default, so we can boot with nomodeset on the command line,
then use radeon.modeset=1 to override it for debugging later.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 66a7f0fd9620..96cf43901b5b 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -144,7 +144,7 @@ static inline void radeon_unregister_atpx_handler(void) {} #endif int radeon_no_wb; -int radeon_modeset = 1; +int radeon_modeset = -1; int radeon_dynclks = -1; int radeon_r4xx_atom = 0; int radeon_agpmode = 0; @@ -449,6 +449,16 @@ static struct pci_driver radeon_kms_pci_driver = { static int __init radeon_init(void) { +#ifdef CONFIG_VGA_CONSOLE + if (vgacon_text_force() && radeon_modeset == -1) { + DRM_INFO("VGACON disable radeon kernel modesetting.\n"); + radeon_modeset = 0; + } +#endif + /* set to modesetting by default if not nomodeset */ + if (radeon_modeset == -1) + radeon_modeset = 1; + if (radeon_modeset == 1) { DRM_INFO("radeon kernel modesetting enabled.\n"); driver = &kms_driver; |