diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index aeb0c3be24d6..36f1c96605e8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -147,6 +147,7 @@ struct dc_debug { bool disable_dfs_bypass; bool disable_power_gate; bool disable_clock_gate; + bool disable_dmcu; }; struct dc { diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index c73d6054cdda..a8a2290d47db 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -1821,6 +1821,9 @@ void dce110_link_encoder_init_dmcu_backlight_settings( uint32_t s2; uint32_t value; + if (enc->ctx->dc->debug.disable_dmcu) + return; + bl_pwm_cntl = REG_READ(BL_PWM_CNTL); /* It must not be 0, so we have to restore them |