On 2018-08-21 11:53 a.m., Shirish S wrote: > This patch extends amdgpu.ip_block_mask to a Kconfig option as > well, that can be altered by user at build time for OS' that > do not permit passing dyanamic loading of amdgpu driver and also > passing command line arguments. > > Note: This option to be used purely for debugging purposes and > amdgpu driver is not productised/tested extensively with any of its > blokcs disabled. > The default value of this option enables all IP's. > > Signed-off-by: Shirish S <shirish.s at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/Kconfig | 7 +++++++ > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +- > 2 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig > index e8af1f5..3f94ae5 100644 > --- a/drivers/gpu/drm/amd/amdgpu/Kconfig > +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig > @@ -23,6 +23,13 @@ config DRM_AMDGPU_CIK > > radeon.cik_support=0 amdgpu.cik_support=1 > > +config DRM_AMDGPU_IP_BLOCK_MASK > + hex "AMDGPU IP Block Mask" > + depends on DRM_AMDGPU > + default "0xffffffff" > + help > + Modify this option to disable any IP block of amdgpu. As I said before, IMO this doesn't belong upstream, as it's a workaround for a downstream issue. Also, this isn't generally usable on a system with multiple GPUs supported by amdgpu, as the same block mask value may have different effects with different GPUs. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
