for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
struct drm_framebuffer *fb = plane_state->hw.fb;
+ int cc_plane;
int ret;
- if (!fb ||
- fb->modifier != I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC)
+ if (!fb)
+ continue;
+
+ cc_plane = intel_fb_rc_ccs_cc_plane(fb);
+ if (cc_plane < 0)
continue;
/*
* GPU write on it.
*/
ret = i915_gem_object_read_from_page(intel_fb_obj(fb),
- fb->offsets[2] + 16,
+ fb->offsets[cc_plane] + 16,
&plane_state->ccval,
sizeof(plane_state->ccval));
/* The above could only fail if the FB obj has an unexpected backing store type. */
#define INTEL_CCS_ANY (INTEL_CCS_RC | INTEL_CCS_RC_CC | INTEL_CCS_MC)
u8 type:3;
+ u8 cc_planes:3;
} ccs;
};
.tiling = I915_TILING_Y,
.ccs.type = INTEL_CCS_RC_CC,
+ .ccs.cc_planes = BIT(2),
FORMAT_OVERRIDE(gen12_ccs_cc_formats),
}, {
return is_gen12_ccs_modifier(fb->modifier) && is_ccs_plane(fb, plane);
}
+/**
+ * intel_fb_rc_ccs_cc_plane: Get the CCS CC color plane index for a framebuffer
+ * @fb: Framebuffer
+ *
+ * Returns:
+ * Returns the index of the color clear plane for @fb, or -1 if @fb is not a
+ * framebuffer using a render compression/color clear modifier.
+ */
+int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb)
+{
+ const struct intel_modifier_desc *md = lookup_modifier(fb->modifier);
+
+ if (!md->ccs.cc_planes)
+ return -1;
+
+ drm_WARN_ON_ONCE(fb->dev, hweight8(md->ccs.cc_planes) > 1);
+
+ return ilog2((int)md->ccs.cc_planes);
+}
+
bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane)
{
- return fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC &&
- plane == 2;
+ return intel_fb_rc_ccs_cc_plane(fb) == plane;
}
static bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane)
bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane);
bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane);
+int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);
+
u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915,
enum intel_plane_caps plane_caps);
bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier);