diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 305abaa0d000..d3dab99f3220 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11574,18 +11574,32 @@ retry: static bool intel_wm_need_update(struct drm_plane *plane, struct drm_plane_state *state) { - /* Update watermarks on tiling changes. */ + struct intel_plane_state *new = to_intel_plane_state(state); + struct intel_plane_state *cur = to_intel_plane_state(plane->state); + + /* Update watermarks on tiling or size changes. */ if (!plane->state->fb || !state->fb || plane->state->fb->modifier[0] != state->fb->modifier[0] || - plane->state->rotation != state->rotation) - return true; - - if (plane->state->crtc_w != state->crtc_w) + plane->state->rotation != state->rotation || + drm_rect_width(&new->src) != drm_rect_width(&cur->src) || + drm_rect_height(&new->src) != drm_rect_height(&cur->src) || + drm_rect_width(&new->dst) != drm_rect_width(&cur->dst) || + drm_rect_height(&new->dst) != drm_rect_height(&cur->dst)) return true; return false; } +static bool needs_scaling(struct intel_plane_state *state) +{ + int src_w = drm_rect_width(&state->src) >> 16; + int src_h = drm_rect_height(&state->src) >> 16; + int dst_w = drm_rect_width(&state->dst); + int dst_h = drm_rect_height(&state->dst); + + return (src_w != dst_w || src_h != dst_h); +} + int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { @@ -11601,7 +11615,6 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, bool mode_changed = needs_modeset(crtc_state); bool was_crtc_enabled = crtc->state->active; bool is_crtc_enabled = crtc_state->active; - bool turn_off, turn_on, visible, was_visible; struct drm_framebuffer *fb = plane_state->fb; @@ -11719,11 +11732,23 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, case DRM_PLANE_TYPE_CURSOR: break; case DRM_PLANE_TYPE_OVERLAY: - if (turn_off && !mode_changed) { + /* + * WaCxSRDisabledForSpriteScaling:ivb + * + * cstate->update_wm was already set above, so this flag will + * take effect when we commit and program watermarks. + */ + if (IS_IVYBRIDGE(dev) && + needs_scaling(to_intel_plane_state(plane_state)) && + !needs_scaling(old_plane_state)) { + to_intel_crtc_state(crtc_state)->disable_lp_wm = true; + } else if (turn_off && !mode_changed) { intel_crtc->atomic.wait_vblank = true; intel_crtc->atomic.update_sprite_watermarks |= 1 << i; } + + break; } return 0; } |