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| author | Wenjing Liu <wenjing.liu@amd.com> | 2021-09-10 18:00:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-28 09:30:10 -0400 |
| commit | 52dffe2fc1adc35b081119f8eb7eaf8e09c77bf3 (patch) | |
| tree | c34cdbddb20d27e5d8ddae69ba072497a8e75a73 /drivers/gpu | |
| parent | ba9012fcb2741fdc0716493dd583f0f3e164b633 (diff) | |
| download | linux-52dffe2fc1adc35b081119f8eb7eaf8e09c77bf3.tar.gz linux-52dffe2fc1adc35b081119f8eb7eaf8e09c77bf3.tar.bz2 linux-52dffe2fc1adc35b081119f8eb7eaf8e09c77bf3.zip | |
drm/amd/display: update cur_lane_setting to an array one for each lane
[why]
To support per lane lane setting adjustment, we need to change cur_lane_setting
to an array one for each lane as the first step.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
4 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index f3ada9b6be5a..814f67d86a3c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -379,9 +379,9 @@ static ssize_t dp_phy_settings_read(struct file *f, char __user *buf, return -EINVAL; snprintf(rd_buf, rd_buf_size, " %d %d %d\n", - link->cur_lane_setting.VOLTAGE_SWING, - link->cur_lane_setting.PRE_EMPHASIS, - link->cur_lane_setting.POST_CURSOR2); + link->cur_lane_setting[0].VOLTAGE_SWING, + link->cur_lane_setting[0].PRE_EMPHASIS, + link->cur_lane_setting[0].POST_CURSOR2); while (size) { if (*pos >= rd_buf_size) @@ -733,7 +733,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us } for (i = 0; i < (unsigned int)(link_training_settings.link_settings.lane_count); i++) - link_training_settings.lane_settings[i] = link->cur_lane_setting; + link_training_settings.lane_settings[i] = link->cur_lane_setting[i]; dc_link_set_test_pattern( link, diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 120c9955cafb..d24c00ea29c1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -676,8 +676,6 @@ static void dpcd_set_lt_pattern_and_lane_settings( dpcd_base_lt_offset, dpcd_lt_buffer, size_in_bytes + sizeof(dpcd_pattern.raw)); - - link->cur_lane_setting = lt_settings->lane_settings[0]; } bool dp_is_cr_done(enum dc_lane_count ln_count, @@ -1145,7 +1143,6 @@ enum dc_status dpcd_set_lane_settings( dpcd_lane[0].bits.MAX_SWING_REACHED, dpcd_lane[0].bits.MAX_PRE_EMPHASIS_REACHED); } - link->cur_lane_setting = link_training_setting->lane_settings[0]; return status; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index cc4b28e94727..368e834c6809 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -372,6 +372,9 @@ void dp_set_hw_lane_settings( #else encoder->funcs->dp_set_lane_settings(encoder, link_settings); #endif + memmove(link->cur_lane_setting, + link_settings->lane_settings, + sizeof(link->cur_lane_setting)); } void dp_set_hw_test_pattern( diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 56340a176554..a73d64b1fd33 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -121,7 +121,7 @@ struct dc_link { struct dc_link_settings reported_link_cap; struct dc_link_settings verified_link_cap; struct dc_link_settings cur_link_settings; - struct dc_lane_settings cur_lane_setting; + struct dc_lane_settings cur_lane_setting[LANE_COUNT_DP_MAX]; struct dc_link_settings preferred_link_setting; struct dc_link_training_overrides preferred_training_settings; struct dp_audio_test_data audio_test_data; |