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Merge "msm: mdss: Add debugfs parameter to disable prefill BW"

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Linux Build Service Account 2014-07-20 23:59:30 -07:00 committed by Gerrit - the friendly Code Review server
commit bc9882eef7
3 changed files with 11 additions and 3 deletions
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1
drivers/video/msm/mdss/mdss.h
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@ -177,6 +177,7 @@ struct mdss_data_type {
struct mdss_fudge_factor ib_factor_overlap;
struct mdss_fudge_factor clk_factor;
u32 disable_prefill;
u32 *clock_levels;
u32 nclk_lvl;

3
drivers/video/msm/mdss/mdss_debug.c
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@ -564,6 +564,9 @@ static int mdss_debugfs_perf_init(struct mdss_debug_data *mdd,
debugfs_create_u64("min_bus_vote", 0644, mdd->perf,
(u64 *)&mdata->perf_tune.min_bus_vote);
debugfs_create_u32("disable_prefill", 0644, mdd->perf,
(u32 *)&mdata->disable_prefill);
debugfs_create_file("disable_panic", 0644, mdd->perf,
(struct mdss_data_type *)mdata, &mdss_perf_panic_enable);

10
drivers/video/msm/mdss/mdss_mdp_ctl.c
View file

@ -359,6 +359,7 @@ int mdss_mdp_perf_calc_pipe(struct mdss_mdp_pipe *pipe,
struct mdss_rect src, dst;
bool is_fbc = false;
struct mdss_mdp_prefill_params prefill_params;
struct mdss_data_type *mdata = mdss_mdp_get_mdata();
if (!pipe || !perf || !pipe->mixer_left)
return -EINVAL;
@ -462,7 +463,9 @@ int mdss_mdp_perf_calc_pipe(struct mdss_mdp_pipe *pipe,
prefill_params.is_hflip = pipe->flags & MDP_FLIP_LR;
prefill_params.is_cmd = !mixer->ctl->is_video_mode;
if (is_single_layer)
if (mdata->disable_prefill != 0)
perf->prefill_bytes = 0;
else if (is_single_layer)
perf->prefill_bytes =
mdss_mdp_perf_calc_pipe_prefill_single(&prefill_params);
else if (!prefill_params.is_cmd)
@ -472,9 +475,10 @@ int mdss_mdp_perf_calc_pipe(struct mdss_mdp_pipe *pipe,
perf->prefill_bytes =
mdss_mdp_perf_calc_pipe_prefill_cmd(&prefill_params);
pr_debug("mixer=%d pnum=%d clk_rate=%u bw_overlap=%llu prefill=%d\n",
pr_debug("mixer=%d pnum=%d clk_rate=%u bw_overlap=%llu prefill=%d %s\n",
mixer->num, pipe->num, perf->mdp_clk_rate, perf->bw_overlap,
perf->prefill_bytes);
perf->prefill_bytes, mdata->disable_prefill ?
"prefill is disabled" : "");
return 0;
}