diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/i9xx_plane.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cursor.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_sprite.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/skl_universal_plane.c | 3 |
6 files changed, 41 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index 65a2eb9e92c4..bd3f8db13700 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -958,6 +958,10 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) else plane->min_alignment = i9xx_plane_min_alignment; + /* FIXME undocumented for VLV/CHV so not sure what's actually needed */ + if (intel_scanout_needs_vtd_wa(dev_priv)) + plane->vtd_guard = 128; + if (IS_I830(dev_priv) || IS_I845G(dev_priv)) { plane->update_arm = i830_plane_update_arm; } else { diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c index cbeea9d96517..6a1035a22b0a 100644 --- a/drivers/gpu/drm/i915/display/intel_cursor.c +++ b/drivers/gpu/drm/i915/display/intel_cursor.c @@ -1019,6 +1019,9 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv, else cursor->min_alignment = i9xx_cursor_min_alignment; + if (intel_scanout_needs_vtd_wa(dev_priv)) + cursor->vtd_guard = 2; + cursor->update_arm = i9xx_cursor_update_arm; cursor->disable_arm = i9xx_cursor_disable_arm; cursor->get_hw_state = i9xx_cursor_get_hw_state; diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 37b1a216b13b..d8a3d4d6aedf 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -144,6 +144,7 @@ struct intel_framebuffer { struct i915_address_space *dpt_vm; unsigned int min_alignment; + unsigned int vtd_guard; }; enum intel_hotplug_state { @@ -1448,6 +1449,7 @@ struct intel_plane { enum plane_id id; enum pipe pipe; bool need_async_flip_toggle_wa; + u8 vtd_guard; u32 frontbuffer_bit; struct { diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index ea8c8a99c5c7..d9328877cc6d 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -1660,6 +1660,22 @@ static unsigned int intel_fb_min_alignment(const struct drm_framebuffer *fb) return min_alignment; } +static unsigned int intel_fb_vtd_guard(const struct drm_framebuffer *fb) +{ + struct drm_i915_private *i915 = to_i915(fb->dev); + struct intel_plane *plane; + unsigned int vtd_guard = 0; + + for_each_intel_plane(&i915->drm, plane) { + if (!drm_plane_has_format(&plane->base, fb->format->format, fb->modifier)) + continue; + + vtd_guard = max_t(unsigned int, vtd_guard, plane->vtd_guard); + } + + return vtd_guard; +} + int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb) { struct drm_gem_object *obj = intel_fb_bo(&fb->base); @@ -1757,6 +1773,7 @@ int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer * } fb->min_alignment = intel_fb_min_alignment(&fb->base); + fb->vtd_guard = intel_fb_vtd_guard(&fb->base); return 0; } @@ -1765,15 +1782,13 @@ unsigned int intel_fb_view_vtd_guard(const struct drm_framebuffer *fb, const struct intel_fb_view *view, unsigned int rotation) { - struct drm_i915_private *i915 = to_i915(fb->dev); unsigned int vtd_guard; int color_plane; - if (!intel_scanout_needs_vtd_wa(i915)) + vtd_guard = to_intel_framebuffer(fb)->vtd_guard; + if (!vtd_guard) return 0; - vtd_guard = 168; - for (color_plane = 0; color_plane < fb->format->num_planes; color_plane++) { unsigned int stride, tile; diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index af121c720b89..a6b27798fdc3 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -1609,6 +1609,10 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, plane->min_alignment = vlv_plane_min_alignment; plane->min_cdclk = vlv_plane_min_cdclk; + /* FIXME undocumented for VLV/CHV so not sure what's actually needed */ + if (intel_scanout_needs_vtd_wa(dev_priv)) + plane->vtd_guard = 128; + if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) { formats = chv_pipe_b_sprite_formats; num_formats = ARRAY_SIZE(chv_pipe_b_sprite_formats); @@ -1635,6 +1639,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, plane->min_alignment = g4x_sprite_min_alignment; + if (intel_scanout_needs_vtd_wa(dev_priv)) + plane->vtd_guard = 64; + formats = snb_sprite_formats; num_formats = ARRAY_SIZE(snb_sprite_formats); @@ -1649,6 +1656,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, plane->min_alignment = g4x_sprite_min_alignment; plane->min_cdclk = g4x_sprite_min_cdclk; + if (intel_scanout_needs_vtd_wa(dev_priv)) + plane->vtd_guard = 64; + if (IS_SANDYBRIDGE(dev_priv)) { formats = snb_sprite_formats; num_formats = ARRAY_SIZE(snb_sprite_formats); diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index d4774abbf462..ee93361bba09 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -2750,6 +2750,9 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, else plane->min_alignment = skl_plane_min_alignment; + if (intel_scanout_needs_vtd_wa(dev_priv)) + plane->vtd_guard = DISPLAY_VER(dev_priv) >= 10 ? 168 : 136; + if (DISPLAY_VER(dev_priv) >= 11) { plane->update_noarm = icl_plane_update_noarm; plane->update_arm = icl_plane_update_arm; |