[PATCH] drm/i915/psr: Fix unsigned expression compared with zero

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The entry_setup_frames is defined as u8 type, else(entry_setup_frames < 0)
is invalid. At the same time, the return value of function
intel_psr_entry_setup_frames is also of type int. so modified
its type to int.

./drivers/gpu/drm/i915/display/intel_psr.c:1336:5-23: WARNING: Unsigned expression compared with zero: entry_setup_frames >= 0.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7610
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 8d180132a74b..204da50e3f28 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1319,7 +1319,7 @@ static bool _psr_compute_config(struct intel_dp *intel_dp,
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
-	u8 entry_setup_frames;
+	int entry_setup_frames;
 
 	/*
 	 * Current PSR panels don't work reliably with VRR enabled
-- 
2.20.1.7.g153144c




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