In xe2_lpd+ platforms, there are no restrictions to enable FBC
on planes with respect to the plane width - width can be as per
the platform's maximum supported resolution.

Bspec: 69560
Signed-off-by: Vinod Govindapillai <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c 
b/drivers/gpu/drm/i915/display/intel_fbc.c
index 78228a5e765f..20f02ef9387a 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -59,6 +59,7 @@
 #include "intel_fbc_regs.h"
 #include "intel_frontbuffer.h"
 #include "intel_parent.h"
+#include "skl_universal_plane.h"
 
 #define for_each_fbc_id(__display, __fbc_id) \
        for ((__fbc_id) = INTEL_FBC_A; (__fbc_id) < I915_MAX_FBCS; 
(__fbc_id)++) \
@@ -1319,8 +1320,14 @@ static void intel_fbc_max_plane_size(const struct 
intel_plane_state *plane_state
                                     unsigned int *w, unsigned int *h)
 {
        struct intel_display *display = to_intel_display(plane_state);
+       struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+       const struct drm_framebuffer *fb = plane_state->hw.fb;
+       unsigned int rotation = plane_state->hw.rotation;
 
-       if (DISPLAY_VER(display) >= 10) {
+       if (DISPLAY_VER(display) >= 20) {
+               *w = intel_plane_max_width(plane, fb, 0, rotation);
+               *h = 4096;
+       } else if (DISPLAY_VER(display) >= 10) {
                *w = 5120;
                *h = 4096;
        } else if (DISPLAY_VER(display) >= 8 || display->platform.haswell) {
-- 
2.43.0

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