On Thu, Jan 16, 2025 at 5:07 PM Mario Limonciello <superm1@xxxxxxxxxx> wrote: > > From: Mario Limonciello <mario.limonciello@xxxxxxx> > > Effectively amdgpu.gttsize gets set to ~1/2 of RAM, but that's controlled > by what the TTM page limit is set to. Clarify the kdoc. > > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c > index b911653dd8b6..680b272a83c9 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c > @@ -282,7 +282,7 @@ module_param_named(gartsize, amdgpu_gart_size, uint, 0600); > /** > * DOC: gttsize (int) > * Restrict the size of GTT domain (for userspace use) in MiB for testing. > - * The default is -1 (Use 1/2 RAM, minimum value is 3GB). > + * The default is -1 (Use value specified by TTM). > */ > MODULE_PARM_DESC(gttsize, "Size of the GTT userspace domain in megabytes (-1 = auto)"); > module_param_named(gttsize, amdgpu_gtt_size, int, 0600); > -- > 2.48.0 >
