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drm/msm/mdp5: dump smp state on errors too

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If the dumpstate modparam is enabled, for debugging error irq's, also
dump SMP state.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2016-11-05 09:04:31 -04:00
parent bc5289eed4
commit e8406b6132
2 changed files with 6 additions and 2 deletions
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2
drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
View File

@ -41,6 +41,8 @@ static void mdp5_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
if (dumpstate && __ratelimit(&rs)) { if (dumpstate && __ratelimit(&rs)) {
struct drm_printer p = drm_info_printer(mdp5_kms->dev->dev); struct drm_printer p = drm_info_printer(mdp5_kms->dev->dev);
drm_state_dump(mdp5_kms->dev, &p); drm_state_dump(mdp5_kms->dev, &p);
if (mdp5_kms->smp)
mdp5_smp_dump(mdp5_kms->smp, &p);
} }
} }

6
drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
View File

@ -302,7 +302,8 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p)
drm_printf(p, "name\tinuse\tplane\n"); drm_printf(p, "name\tinuse\tplane\n");
drm_printf(p, "----\t-----\t-----\n"); drm_printf(p, "----\t-----\t-----\n");
drm_modeset_lock(&mdp5_kms->state_lock, NULL); if (drm_can_sleep())
drm_modeset_lock(&mdp5_kms->state_lock, NULL);
/* grab these *after* we hold the state_lock */ /* grab these *after* we hold the state_lock */
hwpstate = &mdp5_kms->state->hwpipe; hwpstate = &mdp5_kms->state->hwpipe;
@ -329,7 +330,8 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p)
drm_printf(p, "AVAIL:\t%d\n", smp->blk_cnt - drm_printf(p, "AVAIL:\t%d\n", smp->blk_cnt -
bitmap_weight(state->state, smp->blk_cnt)); bitmap_weight(state->state, smp->blk_cnt));
drm_modeset_unlock(&mdp5_kms->state_lock); if (drm_can_sleep())
drm_modeset_unlock(&mdp5_kms->state_lock);
} }
void mdp5_smp_destroy(struct mdp5_smp *smp) void mdp5_smp_destroy(struct mdp5_smp *smp)