From 02fb803db110dbdac9f0d446180f0f7b545e15ff Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Date: Thu, 18 Apr 2024 17:39:39 -0600
Subject: [PATCH] drm/amd/display: Handle the case which quad_part is equal 0
Add code to handle case when quad_part is 0 in gpu_addr_to_uma().
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
index 6be846635a798..59f46df015511 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
@@ -95,8 +95,11 @@ static bool gpu_addr_to_uma(struct dce_hwseq *hwseq,
} else if (hwseq->fb_offset.quad_part <= addr->quad_part &&
addr->quad_part <= hwseq->uma_top.quad_part) {
is_in_uma = true;
+ } else if (addr->quad_part == 0) {
+ is_in_uma = false;
} else {
is_in_uma = false;
+ BREAK_TO_DEBUGGER();
}
return is_in_uma;
}
--
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