Update Linux kernel release to v7.2.8-2 for base and BORE kernels

Signed-off-by: Krzysztof Wilczyński <kwilczynski@omarchy.org>

pkgbuilds/linux-omarchy/0443-drm-i915-dsb-delayed-vblank-scanline-shift.patch

@@ -0,0 +1,22 @@
+diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
+--- a/drivers/gpu/drm/i915/display/intel_dsb.c
++++ b/drivers/gpu/drm/i915/display/intel_dsb.c
+@@ -902,9 +902,17 @@ void intel_dsb_wait_for_delayed_vblank(struct intel_atomic_state *state,
+ 		 * the hardware itself guarantees that we're SCL lines
+ 		 * away from the delayed vblank, and we won't be inside
+ 		 * the vmin safe window so this extra wait does nothing.
++		 *
++		 * Experimentally, DSB may observe a slightly stale
++		 * PIPEDSL value. When the actual scanline has just reached
++		 * safe_window_start, WAIT_DSL_OUT may complete immediately
++		 * due to the stale value.
++		 *
++		 * Shift the start back by one scanline to ensure the wait
++		 * window is entered reliably.
+ 		 */
+ 		intel_dsb_wait_scanline_out(state, dsb,
+-					    intel_vrr_safe_window_start(crtc_state),
++					    intel_vrr_safe_window_start(crtc_state) - 1,
+ 					    intel_vrr_vmin_safe_window_end(crtc_state));
+ 		/*
+ 		 * When the push is sent during vblank it will trigger