}
static struct i915_address_space *
-intel_dpt_create(struct drm_gem_object *obj)
+intel_dpt_create(struct intel_framebuffer *fb)
{
+ struct drm_gem_object *obj = &intel_fb_obj(&fb->base)->base;
struct drm_i915_private *i915 = to_i915(obj->dev);
- size_t size = DIV_ROUND_UP_ULL(obj->size, 512);
struct drm_i915_gem_object *dpt_obj;
struct i915_address_space *vm;
struct i915_dpt *dpt;
+ size_t size;
int ret;
- size = round_up(size, 4096);
+ if (intel_fb_needs_pot_stride_remap(fb))
+ size = intel_remapped_info_size(&fb->remapped_view.gtt.remapped);
+ else
+ size = DIV_ROUND_UP_ULL(obj->size, I915_GTT_PAGE_SIZE);
+
+ size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE);
if (HAS_LMEM(i915))
dpt_obj = i915_gem_object_create_lmem(i915, size, 0);
}
}
+ /* TODO: Add POT stride remapping support for CCS formats as well. */
if (IS_ALDERLAKE_P(dev_priv) &&
mode_cmd->modifier[i] != DRM_FORMAT_MOD_LINEAR &&
+ !intel_fb_needs_pot_stride_remap(intel_fb) &&
!is_power_of_2(mode_cmd->pitches[i])) {
drm_dbg_kms(&dev_priv->drm,
"plane %d pitch (%d) must be power of two for tiled buffers\n",
if (intel_fb_uses_dpt(fb)) {
struct i915_address_space *vm;
- vm = intel_dpt_create(&obj->base);
+ vm = intel_dpt_create(intel_fb);
if (IS_ERR(vm)) {
ret = PTR_ERR(vm);
goto err;
return true;
}
-static bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb)
+bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb)
{
- return false;
+ struct drm_i915_private *i915 = to_i915(fb->base.dev);
+
+ return IS_ALDERLAKE_P(i915) && fb->base.modifier != DRM_FORMAT_MOD_LINEAR &&
+ !is_ccs_modifier(fb->base.modifier);
}
static int intel_fb_pitch(const struct intel_framebuffer *fb, int color_plane, unsigned int rotation)
const struct intel_plane_state *state,
int color_plane);
+bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);
bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);
int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb);