[PATCH 20/22] drm/amd/display: Revert Avoid overflow assignment

[Wayne Lin]

From: Gabe Teeger <gabe.tee...@amd.com>

This reverts commit 4362962f41b8 ("drm/amd/display: Avoid overflow assignment 
in link_dp_cts")
Due to regression causing DPMS hang.

Reviewed-by: Alex Hung <alex.h...@amd.com>
Signed-off-by: Gabe Teeger <gabe.tee...@amd.com>
Signed-off-by: Wayne Lin <wayne....@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dc_dp_types.h                  | 2 +-
 drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c | 3 +--
 drivers/gpu/drm/amd/display/include/dpcd_defs.h               | 1 -
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h 
b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index 95c275bf649b..519c3df78ee5 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -727,7 +727,7 @@ struct dp_audio_test_data_flags {
 struct dp_audio_test_data {
 
        struct dp_audio_test_data_flags flags;
-       uint32_t sampling_rate;
+       uint8_t sampling_rate;
        uint8_t channel_count;
        uint8_t pattern_type;
        uint8_t pattern_period[8];
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c 
b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
index 32d5a4b14333..df3781081da7 100644
--- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
@@ -775,8 +775,7 @@ bool dp_set_test_pattern(
                        core_link_read_dpcd(link, DP_TRAINING_PATTERN_SET,
                                            &training_pattern.raw,
                                            sizeof(training_pattern));
-                       if (pattern <= PHY_TEST_PATTERN_END_DP11)
-                               training_pattern.v1_3.LINK_QUAL_PATTERN_SET = 
pattern;
+                       training_pattern.v1_3.LINK_QUAL_PATTERN_SET = pattern;
                        core_link_write_dpcd(link, DP_TRAINING_PATTERN_SET,
                                             &training_pattern.raw,
                                             sizeof(training_pattern));
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h 
b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
index c246235e4afe..aee5170f5fb2 100644
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -76,7 +76,6 @@ enum dpcd_phy_test_patterns {
        PHY_TEST_PATTERN_D10_2,
        PHY_TEST_PATTERN_SYMBOL_ERROR,
        PHY_TEST_PATTERN_PRBS7,
-       PHY_TEST_PATTERN_END_DP11 = PHY_TEST_PATTERN_PRBS7,
        PHY_TEST_PATTERN_80BIT_CUSTOM,/* For DP1.2 only */
        PHY_TEST_PATTERN_CP2520_1,
        PHY_TEST_PATTERN_CP2520_2,
-- 
2.37.3