diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c | 25 |
2 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c index a4dae31400fa..e345df621a6a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -447,7 +447,7 @@ static const struct abm_funcs dce_funcs = { .set_backlight_level_pwm = dce_abm_set_backlight_level_pwm, .get_current_backlight = dce_abm_get_current_backlight, .get_target_backlight = dce_abm_get_target_backlight, - .load_abm_config = NULL, + .init_abm_config = NULL, .set_abm_immediate_disable = dce_abm_immediate_disable }; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c index 81c967917c5b..06435ecaf6a3 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c @@ -348,11 +348,30 @@ static bool dmub_abm_set_backlight_level_pwm( return true; } -static bool dmub_abm_load_config(struct abm *abm, - unsigned int start_offset, +static bool dmub_abm_init_config(struct abm *abm, const char *src, unsigned int bytes) { + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + // TODO: Optimize by only reading back final 4 bytes + dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb); + + // Copy iramtable into cw7 + memcpy(dc->dmub_srv->dmub->scratch_mem_fb.cpu_addr, (void *)src, bytes); + + // Fw will copy from cw7 to fw_state + cmd.abm_init_config.header.type = DMUB_CMD__ABM; + cmd.abm_init_config.header.sub_type = DMUB_CMD__ABM_INIT_CONFIG; + cmd.abm_init_config.abm_init_config_data.src.quad_part = dc->dmub_srv->dmub->scratch_mem_fb.gpu_addr; + cmd.abm_init_config.abm_init_config_data.bytes = bytes; + cmd.abm_init_config.header.payload_bytes = sizeof(struct dmub_cmd_abm_init_config_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.abm_init_config.header); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + return true; } @@ -365,7 +384,7 @@ static const struct abm_funcs abm_funcs = { .get_current_backlight = dmub_abm_get_current_backlight, .get_target_backlight = dmub_abm_get_target_backlight, .set_abm_immediate_disable = dmub_abm_immediate_disable, - .load_abm_config = dmub_abm_load_config, + .init_abm_config = dmub_abm_init_config, }; static void dmub_abm_construct( |