[PATCH 1/2] drm/i915: Use full update In case of area calculation fails
Jouni Högander
jouni.hogander at intel.com
Wed May 4 11:53:01 UTC 2022
Currently we have some corner cases where area calculation fails.
For these sel fetch are calculation ends up into y1 = 0, y2 = 4.
Instead of these accidentally picked up values fall back to full
update when this happens.
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
drivers/gpu/drm/i915/display/intel_psr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 06db407e2749..8c099d24de86 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1770,6 +1770,9 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
clip_area_update(&pipe_clip, &damaged_area);
}
+ if (pipe_clip.y1 == -1)
+ full_update = true;
+
if (full_update)
goto skip_sel_fetch_set_loop;
--
2.25.1
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