diff options
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_ctl.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c index 929eeb270f32..0da462394ab8 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c +++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c @@ -571,6 +571,9 @@ static u32 __calc_qseed3_mdp_clk_rate(struct mdss_mdp_pipe *pipe, u64 ver_dwnscale; u64 active_line; u64 backfill_line; + struct mdss_mdp_ctl *ctl = pipe->mixer_left->ctl; + u64 pclk_rate; + struct mdss_panel_info *pinfo = &ctl->panel_data->panel_info; ver_dwnscale = (u64)src_h << PHASE_STEP_SHIFT; do_div(ver_dwnscale, dst.h); @@ -596,12 +599,26 @@ static u32 __calc_qseed3_mdp_clk_rate(struct mdss_mdp_pipe *pipe, total_cycle = active_line_cycle + backfill_cycle; + /* + * MDP clkrate = total_cycle * PixelClock / Dest-width + * if pixelClock not available: + * = total_cycle * fps * v_total + */ + if ((pinfo->type == MIPI_CMD_PANEL) && dst.w) { + pclk_rate = (u64)mdss_panel_get_htotal(pinfo, false) * + v_total * fps; + do_div(pclk_rate, pinfo->xres); + total_cycle *= pclk_rate; + } else { + total_cycle *= (fps * v_total); + } + pr_debug("line: active=%lld backfill=%lld vds=%lld\n", active_line, backfill_line, ver_dwnscale); pr_debug("cycle: total=%lld active=%lld backfill=%lld\n", total_cycle, active_line_cycle, backfill_cycle); - return (u32)total_cycle * (fps * v_total); + return (u32)total_cycle; } static inline bool __is_vert_downscaling(u32 src_h, @@ -659,6 +676,7 @@ static u32 get_pipe_mdp_clk_rate(struct mdss_mdp_pipe *pipe, if (flags & PERF_CALC_PIPE_APPLY_CLK_FUDGE) rate = mdss_mdp_clk_fudge_factor(mixer, rate); + rate = min(mdata->max_mdp_clk_rate, rate); return rate; } |