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-rw-r--r--drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index da1b654833d5..4c844cfaa956 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -192,8 +192,10 @@ static bool dsc_throughput_from_dpcd(int dpcd_throughput, int *throughput)
}
-static bool dsc_bpp_increment_div_from_dpcd(int bpp_increment_dpcd, uint32_t *bpp_increment_div)
+static bool dsc_bpp_increment_div_from_dpcd(uint8_t bpp_increment_dpcd, uint32_t *bpp_increment_div)
{
+ // Mask bpp increment dpcd field to avoid reading other fields
+ bpp_increment_dpcd &= 0x7;
switch (bpp_increment_dpcd) {
case 0: