drm/i915/fb: Reject per-plane remapping with DPT

We currently create a single DPT for the entire FB, so we can't
actually do the per-plane remap. Reject it for now.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 4b0afea1c45681d61f1d13b90574f446ca679212..52a619088e8e92c4773d1d05742d7c5ee2da6457 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -1252,6 +1252,10 @@ static bool intel_plane_can_remap(const struct intel_plane_state *plane_state)
        if (intel_fb_is_ccs_modifier(fb->modifier))
                return false;
 
+       /* TODO implement remapping with DPT */
+       if (intel_fb_uses_dpt(fb))
+               return false;
+
        /* Linear needs a page aligned stride for remapping */
        if (fb->modifier == DRM_FORMAT_MOD_LINEAR) {
                unsigned int alignment = intel_tile_size(display) - 1;