diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 59 |
1 files changed, 28 insertions, 31 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 67c5342cf89a..f895412538c0 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2504,59 +2504,56 @@ int dc_link_get_target_backlight_pwm(const struct dc_link *link) return (int) abm->funcs->get_target_backlight(abm); } +static struct pipe_ctx *get_pipe_from_link(const struct dc_link *link) +{ + int i; + struct dc *dc = link->ctx->dc; + struct pipe_ctx *pipe_ctx = NULL; + + for (i = 0; i < MAX_PIPES; i++) { + if (dc->current_state->res_ctx.pipe_ctx[i].stream) { + if (dc->current_state->res_ctx.pipe_ctx[i].stream->link == link) { + pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + break; + } + } + } + + return pipe_ctx; +} + bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t backlight_pwm_u16_16, uint32_t frame_ramp) { struct dc *dc = link->ctx->dc; - int i; DC_LOGGER_INIT(link->ctx->logger); DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n", backlight_pwm_u16_16, backlight_pwm_u16_16); if (dc_is_embedded_signal(link->connector_signal)) { - struct pipe_ctx *pipe_ctx = NULL; - - for (i = 0; i < MAX_PIPES; i++) { - if (dc->current_state->res_ctx.pipe_ctx[i].stream) { - if (dc->current_state->res_ctx. - pipe_ctx[i].stream->link - == link) { - pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; - - /* Disable brightness ramping when the display is blanked - * as it can hang the DMCU - */ - if (dc->current_state->res_ctx.pipe_ctx[i].plane_state == NULL) - frame_ramp = 0; - } - } - } + struct pipe_ctx *pipe_ctx = get_pipe_from_link(link); - if (pipe_ctx == NULL) + if (pipe_ctx) { + /* Disable brightness ramping when the display is blanked + * as it can hang the DMCU + */ + if (pipe_ctx->plane_state == NULL) + frame_ramp = 0; + } else { ASSERT(false); + return false; + } dc->hwss.set_backlight_level( pipe_ctx, backlight_pwm_u16_16, frame_ramp); } - return true; } -bool dc_link_set_abm_disable(const struct dc_link *link) -{ - struct abm *abm = get_abm_from_stream_res(link); - bool success = false; - - if (abm) - success = abm->funcs->set_abm_immediate_disable(abm, link->panel_cntl->inst); - - return success; -} - bool dc_link_set_psr_allow_active(struct dc_link *link, bool allow_active, bool wait) { struct dc *dc = link->ctx->dc; |