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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 04:10:27 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 05:28:10 +1000 |
| commit | 67cb49c45feba4141ed4b962855249d30302cd7d (patch) | |
| tree | 41f99dde4a3f0b798485e7b47450659845f3a1d5 /drivers/gpu/drm/nouveau/nv50_display.c | |
| parent | c02ed2bf98a682c477640c782d1e6a94525b2123 (diff) | |
| download | blackbird-op-linux-67cb49c45feba4141ed4b962855249d30302cd7d.tar.gz blackbird-op-linux-67cb49c45feba4141ed4b962855249d30302cd7d.zip | |
drm/nv50-/disp: audit and version PIOR_PWR method
The full object interfaces are about to be exposed to userspace, so we
need to check for any security-related issues and version the structs
to make it easier to handle any changes we may need in the future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 844fc4ee72bb..bd85026ee067 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -2079,9 +2079,19 @@ nv50_pior_dpms(struct drm_encoder *encoder, int mode) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nv50_disp *disp = nv50_disp(encoder->dev); - u32 mthd = (nv_encoder->dcb->type << 12) | nv_encoder->or; - u32 ctrl = (mode == DRM_MODE_DPMS_ON); - nvif_exec(disp->disp, NV50_DISP_PIOR_PWR + mthd, &ctrl, sizeof(ctrl)); + struct { + struct nv50_disp_mthd_v1 base; + struct nv50_disp_pior_pwr_v0 pwr; + } args = { + .base.version = 1, + .base.method = NV50_DISP_MTHD_V1_PIOR_PWR, + .base.hasht = nv_encoder->dcb->hasht, + .base.hashm = nv_encoder->dcb->hashm, + .pwr.state = mode == DRM_MODE_DPMS_ON, + .pwr.type = nv_encoder->dcb->type, + }; + + nvif_mthd(disp->disp, 0, &args, sizeof(args)); } static bool |
