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Merge "disp: msm: sde: add debugfs node to support system cache disable"

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qctecmdr 2020-07-27 23:59:29 -07:00 • committed by Gerrit - the friendly Code Review server
commit deab440ff7
2 changed files with 11 additions and 0 deletions
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8
msm/sde/sde_core_perf.c
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@ -422,6 +422,11 @@ void sde_core_perf_crtc_update_llcc(struct drm_crtc *crtc)
mutex_lock(&sde_core_perf_lock);
if (!kms->perf.idle_sys_cache_enabled) {
SDE_DEBUG("disp system cache is disabled from debugfs\n");
new->llcc_active[SDE_SYS_CACHE_DISP] = false;
}
if (_sde_core_perf_crtc_is_power_on(crtc)) {
for (i = 0; i < SDE_SYS_CACHE_MAX; i++) {
if (new->llcc_active[i] != old->llcc_active[i]) {
@ -1211,6 +1216,8 @@ int sde_core_perf_debugfs_init(struct sde_core_perf *perf,
&perf->fix_core_ib_vote);
debugfs_create_u64("fix_core_ab_vote", 0600, perf->debugfs_root,
&perf->fix_core_ab_vote);
debugfs_create_bool("idle_sys_cache_enable", 0600, perf->debugfs_root,
&perf->idle_sys_cache_enabled);
debugfs_create_u32("uidle_perf_cnt", 0600, perf->debugfs_root,
&sde_kms->catalog->uidle_cfg.debugfs_perf);
@ -1280,6 +1287,7 @@ int sde_core_perf_init(struct sde_core_perf *perf,
SDE_DEBUG("optional max core clk rate, use default\n");
perf->max_core_clk_rate = SDE_PERF_DEFAULT_MAX_CORE_CLK_RATE;
}
perf->idle_sys_cache_enabled = true;
return 0;

3
msm/sde/sde_core_perf.h
View file

@ -76,6 +76,8 @@ struct sde_core_perf_tune {
* @bw_vote_mode_updated: bandwidth vote mode update
* @llcc_active: status of the llcc, true if active.
* @uidle_enabled: indicates if uidle is already enabled
* @idle_sys_cache_enabled: override system cache enable state
* for idle usecase
*/
struct sde_core_perf {
struct drm_device *dev;
@ -96,6 +98,7 @@ struct sde_core_perf {
bool bw_vote_mode_updated;
bool llcc_active[SDE_SYS_CACHE_MAX];
bool uidle_enabled;
bool idle_sys_cache_enabled;
};
/**