6.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
[ Upstream commit 02fb803db110dbdac9f0d446180f0f7b545e15ff ]
Add code to handle case when quad_part is 0 in gpu_addr_to_uma().
Acked-by: Wayne Lin <wayne.lin@xxxxxxx>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 6be846635a79..59f46df01551 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;
}
--
2.43.0
