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disp: msm: sde: add tracking for if perf_mode is changed

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Perf tuning mode can be updated through debugfs and this should
be used to reflect the core clock rate.

Change-Id: I313d079f0b8013f43f4b293c6400f34eaf56b6d2
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
This commit is contained in:
Nilaan Gunabalachandran 2020-02-26 09:13:56 -05:00
commit d423505a8e
2 changed files with 10 additions and 1 deletions
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9
msm/sde/sde_core_perf.c
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@ -842,12 +842,18 @@ static void _sde_core_perf_crtc_update_check(struct drm_crtc *crtc,
}
}
if (kms->perf.perf_tune.mode_changed &&
kms->perf.perf_tune.min_core_clk)
new->core_clk_rate = kms->perf.perf_tune.min_core_clk;
if ((params_changed &&
(new->core_clk_rate > old->core_clk_rate)) ||
(!params_changed && new->core_clk_rate &&
(new->core_clk_rate < old->core_clk_rate))) {
(new->core_clk_rate < old->core_clk_rate)) ||
kms->perf.perf_tune.mode_changed) {
old->core_clk_rate = new->core_clk_rate;
*update_clk = 1;
kms->perf.perf_tune.mode_changed = false;
}
}
@ -1069,6 +1075,7 @@ static ssize_t _sde_core_perf_mode_write(struct file *file,
DRM_INFO("normal performance mode\n");
}
perf->perf_tune.mode = perf_mode;
perf->perf_tune.mode_changed = true;
return count;
}

2
msm/sde/sde_core_perf.h
View file

@ -47,11 +47,13 @@ struct sde_core_perf_params {
* @mode: performance mode
* @min_core_clk: minimum core clock
* @min_bus_vote: minimum bus vote
* @mode_changed: indicate if clock tuning strategy changed
*/
struct sde_core_perf_tune {
u32 mode;
u64 min_core_clk;
u64 min_bus_vote;
bool mode_changed;
};
/**