From: Jouni Högander <[email protected]>
Ensure the minimum selective update line count is 4 in case of display
version 35 and onwards.
v2:
- Fix style by dropping extra spaces after assignment operator.
(Jani).
Bspec: 69887
Cc: Jani Nikula <[email protected]>
Signed-off-by: Jouni Högander <[email protected]>
Signed-off-by: Gustavo Sousa <[email protected]>
---
drivers/gpu/drm/i915/display/intel_psr.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
b/drivers/gpu/drm/i915/display/intel_psr.c
index cfc8b04f98fa..a23519b9b388 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2804,6 +2804,29 @@ intel_psr_apply_su_area_workarounds(struct
intel_crtc_state *crtc_state)
intel_psr_apply_pr_link_on_su_wa(crtc_state);
}
+static void intel_psr_su_area_min_lines(struct intel_crtc_state *crtc_state)
+{
+ struct intel_display *display = to_intel_display(crtc_state);
+ struct drm_rect damaged_area;
+
+ /*
+ * Bspec mentions 4 being minimum lines in SU for display version
+ * 35 and onwards.
+ */
+ if (DISPLAY_VER(display) < 35 ||
drm_rect_height(&crtc_state->psr2_su_area) >= 4)
+ return;
+
+ damaged_area.x1 = crtc_state->psr2_su_area.x1;
+ damaged_area.y1 = crtc_state->psr2_su_area.y1;
+ damaged_area.x2 = crtc_state->psr2_su_area.x2;
+ damaged_area.y2 = crtc_state->psr2_su_area.y2;
+
+ damaged_area.y2 += 4 - drm_rect_height(&damaged_area);
+ drm_rect_intersect(&damaged_area, &crtc_state->pipe_src);
+ damaged_area.y1 -= 4 - drm_rect_height(&damaged_area);
+ clip_area_update(&crtc_state->psr2_su_area, &damaged_area,
&crtc_state->pipe_src);
+}
+
int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
@@ -2912,6 +2935,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state
*state,
if (full_update)
goto skip_sel_fetch_set_loop;
+ intel_psr_su_area_min_lines(crtc_state);
+
intel_psr_apply_su_area_workarounds(crtc_state);
ret = drm_atomic_add_affected_planes(&state->base, &crtc->base);
--
2.51.0
