diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c index 5f7c2c5641c4..1ea7db8eeb98 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c @@ -469,22 +469,27 @@ void dce110_timing_generator_set_drr( void dce110_timing_generator_set_static_screen_control( struct timing_generator *tg, - uint32_t value) + uint32_t event_triggers, + uint32_t num_frames) { struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); uint32_t static_screen_cntl = 0; uint32_t addr = 0; + // By register spec, it only takes 8 bit value + if (num_frames > 0xFF) + num_frames = 0xFF; + addr = CRTC_REG(mmCRTC_STATIC_SCREEN_CONTROL); static_screen_cntl = dm_read_reg(tg->ctx, addr); set_reg_field_value(static_screen_cntl, - value, + event_triggers, CRTC_STATIC_SCREEN_CONTROL, CRTC_STATIC_SCREEN_EVENT_MASK); set_reg_field_value(static_screen_cntl, - 2, + num_frames, CRTC_STATIC_SCREEN_CONTROL, CRTC_STATIC_SCREEN_FRAME_COUNT); |