From: Rob Clark Date: Sat, 5 Nov 2016 13:04:31 +0000 (-0400) Subject: drm/msm/mdp5: dump smp state on errors too X-Git-Tag: v4.10-rc1~154^2~19^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8406b6132a0ca513df3c2b837fb3ec708260641;p=platform%2Fkernel%2Flinux-exynos.git drm/msm/mdp5: dump smp state on errors too If the dumpstate modparam is enabled, for debugging error irq's, also dump SMP state. Signed-off-by: Rob Clark --- diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c index 5c5940d..3ce8b9d 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c @@ -41,6 +41,8 @@ static void mdp5_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus) if (dumpstate && __ratelimit(&rs)) { struct drm_printer p = drm_info_printer(mdp5_kms->dev->dev); drm_state_dump(mdp5_kms->dev, &p); + if (mdp5_kms->smp) + mdp5_smp_dump(mdp5_kms->smp, &p); } } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c index 4398f8d..58f712d 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c @@ -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, "----\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 */ 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 - 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)