diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/i9xx_plane.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/i9xx_plane.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index 91f2bc405cba..0279c8aabdd1 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -1060,3 +1060,33 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc, plane_config->fb = intel_fb; } + +bool i9xx_fixup_initial_plane_config(struct intel_crtc *crtc, + const struct intel_initial_plane_config *plane_config) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_plane *plane = to_intel_plane(crtc->base.primary); + const struct intel_plane_state *plane_state = + to_intel_plane_state(plane->base.state); + enum i9xx_plane_id i9xx_plane = plane->i9xx_plane; + u32 base; + + if (!plane_state->uapi.visible) + return false; + + base = intel_plane_ggtt_offset(plane_state); + + /* + * We may have moved the surface to a different + * part of ggtt, make the plane aware of that. + */ + if (plane_config->base == base) + return false; + + if (DISPLAY_VER(dev_priv) >= 4) + intel_de_write(dev_priv, DSPSURF(i9xx_plane), base); + else + intel_de_write(dev_priv, DSPADDR(i9xx_plane), base); + + return true; +} |