diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_atomic_plane.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_atomic_plane.c | 131 |
1 files changed, 113 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index 3334ff253600..7e9f84b00859 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -247,11 +247,19 @@ static void intel_plane_clear_hw_state(struct intel_plane_state *plane_state) } void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state, - const struct intel_plane_state *from_plane_state) + const struct intel_plane_state *from_plane_state, + struct intel_crtc *crtc) { intel_plane_clear_hw_state(plane_state); - plane_state->hw.crtc = from_plane_state->uapi.crtc; + /* + * For the bigjoiner slave uapi.crtc will point at + * the master crtc. So we explicitly assign the right + * slave crtc to hw.crtc. uapi.crtc!=NULL simply indicates + * the plane is logically enabled on the uapi level. + */ + plane_state->hw.crtc = from_plane_state->uapi.crtc ? &crtc->base : NULL; + plane_state->hw.fb = from_plane_state->uapi.fb; if (plane_state->hw.fb) drm_framebuffer_get(plane_state->hw.fb); @@ -263,6 +271,21 @@ void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state, plane_state->hw.color_encoding = from_plane_state->uapi.color_encoding; plane_state->hw.color_range = from_plane_state->uapi.color_range; plane_state->hw.scaling_filter = from_plane_state->uapi.scaling_filter; + + plane_state->uapi.src = drm_plane_state_src(&from_plane_state->uapi); + plane_state->uapi.dst = drm_plane_state_dest(&from_plane_state->uapi); +} + +void intel_plane_copy_hw_state(struct intel_plane_state *plane_state, + const struct intel_plane_state *from_plane_state) +{ + intel_plane_clear_hw_state(plane_state); + + memcpy(&plane_state->hw, &from_plane_state->hw, + sizeof(plane_state->hw)); + + if (plane_state->hw.fb) + drm_framebuffer_get(plane_state->hw.fb); } void intel_plane_set_invisible(struct intel_crtc_state *crtc_state, @@ -319,15 +342,16 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_ old_plane_state, new_plane_state); } -static struct intel_crtc * -get_crtc_from_states(const struct intel_plane_state *old_plane_state, - const struct intel_plane_state *new_plane_state) +static struct intel_plane * +intel_crtc_get_plane(struct intel_crtc *crtc, enum plane_id plane_id) { - if (new_plane_state->uapi.crtc) - return to_intel_crtc(new_plane_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + struct intel_plane *plane; - if (old_plane_state->uapi.crtc) - return to_intel_crtc(old_plane_state->uapi.crtc); + for_each_intel_plane_on_crtc(&i915->drm, crtc, plane) { + if (plane->id == plane_id) + return plane; + } return NULL; } @@ -335,23 +359,37 @@ get_crtc_from_states(const struct intel_plane_state *old_plane_state, int intel_plane_atomic_check(struct intel_atomic_state *state, struct intel_plane *plane) { + struct drm_i915_private *i915 = to_i915(state->base.dev); struct intel_plane_state *new_plane_state = intel_atomic_get_new_plane_state(state, plane); const struct intel_plane_state *old_plane_state = intel_atomic_get_old_plane_state(state, plane); - struct intel_crtc *crtc = - get_crtc_from_states(old_plane_state, new_plane_state); - const struct intel_crtc_state *old_crtc_state; - struct intel_crtc_state *new_crtc_state; + const struct intel_plane_state *new_master_plane_state; + struct intel_crtc *crtc = intel_get_crtc_for_pipe(i915, plane->pipe); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + if (new_crtc_state && new_crtc_state->bigjoiner_slave) { + struct intel_plane *master_plane = + intel_crtc_get_plane(new_crtc_state->bigjoiner_linked_crtc, + plane->id); + + new_master_plane_state = + intel_atomic_get_new_plane_state(state, master_plane); + } else { + new_master_plane_state = new_plane_state; + } + + intel_plane_copy_uapi_to_hw_state(new_plane_state, + new_master_plane_state, + crtc); - intel_plane_copy_uapi_to_hw_state(new_plane_state, new_plane_state); new_plane_state->uapi.visible = false; - if (!crtc) + if (!new_crtc_state) return 0; - old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); - new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - return intel_plane_atomic_check_with_state(old_crtc_state, new_crtc_state, old_plane_state, @@ -479,6 +517,63 @@ void i9xx_update_planes_on_crtc(struct intel_atomic_state *state, } } +int intel_atomic_plane_check_clipping(struct intel_plane_state *plane_state, + struct intel_crtc_state *crtc_state, + int min_scale, int max_scale, + bool can_position) +{ + struct drm_framebuffer *fb = plane_state->hw.fb; + struct drm_rect *src = &plane_state->uapi.src; + struct drm_rect *dst = &plane_state->uapi.dst; + unsigned int rotation = plane_state->hw.rotation; + struct drm_rect clip = {}; + int hscale, vscale; + + if (!fb) { + plane_state->uapi.visible = false; + return 0; + } + + drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); + + /* Check scaling */ + hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); + vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); + if (hscale < 0 || vscale < 0) { + DRM_DEBUG_KMS("Invalid scaling of plane\n"); + drm_rect_debug_print("src: ", src, true); + drm_rect_debug_print("dst: ", dst, false); + return -ERANGE; + } + + if (crtc_state->hw.enable) { + clip.x2 = crtc_state->pipe_src_w; + clip.y2 = crtc_state->pipe_src_h; + } + + /* right side of the image is on the slave crtc, adjust dst to match */ + if (crtc_state->bigjoiner_slave) + drm_rect_translate(dst, -crtc_state->pipe_src_w, 0); + + /* + * FIXME: This might need further adjustment for seamless scaling + * with phase information, for the 2p2 and 2p1 scenarios. + */ + plane_state->uapi.visible = drm_rect_clip_scaled(src, dst, &clip); + + drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); + + if (!can_position && plane_state->uapi.visible && + !drm_rect_equals(dst, &clip)) { + DRM_DEBUG_KMS("Plane must cover entire CRTC\n"); + drm_rect_debug_print("dst: ", dst, false); + drm_rect_debug_print("clip: ", &clip, false); + return -EINVAL; + } + + return 0; +} + const struct drm_plane_helper_funcs intel_plane_helper_funcs = { .prepare_fb = intel_prepare_plane_fb, .cleanup_fb = intel_cleanup_plane_fb, |