diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 873b6b0c0581..8faa7f729547 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -71,6 +71,8 @@ #include "gt/intel_rps.h" #include "gt/gen8_ppgtt.h" +#include "pxp/intel_pxp.h" + #include "g4x_dp.h" #include "g4x_hdmi.h" #include "i915_drv.h" @@ -8987,13 +8989,28 @@ static int intel_bigjoiner_add_affected_planes(struct intel_atomic_state *state) return 0; } +static bool bo_has_valid_encryption(struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *i915 = to_i915(obj->base.dev); + + return intel_pxp_key_check(&i915->gt.pxp, obj, false) == 0; +} + +static bool pxp_is_borked(struct drm_i915_gem_object *obj) +{ + return i915_gem_object_is_protected(obj) && !bo_has_valid_encryption(obj); +} + static int intel_atomic_check_planes(struct intel_atomic_state *state) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); struct intel_crtc_state *old_crtc_state, *new_crtc_state; struct intel_plane_state *plane_state; struct intel_plane *plane; + struct intel_plane_state *new_plane_state; + struct intel_plane_state *old_plane_state; struct intel_crtc *crtc; + const struct drm_framebuffer *fb; int i, ret; ret = icl_add_linked_planes(state); @@ -9041,6 +9058,19 @@ static int intel_atomic_check_planes(struct intel_atomic_state *state) return ret; } + for_each_new_intel_plane_in_state(state, plane, plane_state, i) { + new_plane_state = intel_atomic_get_new_plane_state(state, plane); + old_plane_state = intel_atomic_get_old_plane_state(state, plane); + fb = new_plane_state->hw.fb; + if (fb) { + new_plane_state->decrypt = bo_has_valid_encryption(intel_fb_obj(fb)); + new_plane_state->force_black = pxp_is_borked(intel_fb_obj(fb)); + } else { + new_plane_state->decrypt = old_plane_state->decrypt; + new_plane_state->force_black = old_plane_state->force_black; + } + } + return 0; } @@ -9327,6 +9357,10 @@ static int intel_atomic_check_async(struct intel_atomic_state *state) drm_dbg_kms(&i915->drm, "Color range cannot be changed in async flip\n"); return -EINVAL; } + + /* plane decryption is allow to change only in synchronous flips */ + if (old_plane_state->decrypt != new_plane_state->decrypt) + return -EINVAL; } return 0; |