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| author | Gabe Teeger <Gabe.Teeger@amd.com> | 2024-07-26 01:42:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-10 13:01:14 +0300 |
| commit | 8ba850ac0c32dcd289338fd6a105b0a6905006cf (patch) | |
| tree | a8b7103bc063932ba897d2445d060aaea295000a | |
| parent | a97a22bb688ce4fb12165cdda2f5c996a3b46478 (diff) | |
| download | linux-8ba850ac0c32dcd289338fd6a105b0a6905006cf.tar.xz | |
drm/amd/display: Revert Avoid overflow assignment
commit e80f8f491df873ea2e07c941c747831234814612 upstream.
This reverts commit a15268787b79 ("drm/amd/display: Avoid overflow assignment in link_dp_cts")
Due to regression causing DPMS hang.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Gabe Teeger <Gabe.Teeger@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c | 3 | ||||
| -rw-r--r-- | 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 6b27ac56f60d..8d1a1cc94a8b 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, |