[PATCH] drm/i915/psr: Take the selective fetch area from pipe_src

[Mika Kahola <mika.kahola@intel.com>]

The adjusted mode spans all the joined pipes, so it is the wrong
reference for a per-pipe area. pipe_src is this pipe's own share.

No functional change, the two are the same without a joiner.

Assisted-by: Copilot:claude-opus-5
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 76260ceb49cb..c1994da38567 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2912,8 +2912,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	struct drm_rect display_area = {
 		.x1 = 0,
 		.y1 = 0,
-		.x2 = crtc_state->hw.adjusted_mode.crtc_hdisplay,
-		.y2 = crtc_state->hw.adjusted_mode.crtc_vdisplay,
+		.x2 = drm_rect_width(&crtc_state->pipe_src),
+		.y2 = drm_rect_height(&crtc_state->pipe_src),
 	};
 	bool full_update = false, su_area_changed;
 	int i, ret;