This patch removes Panfrost spamming messages to syslog that causes a poor performance and crashes of the Xfce desktop with a Amlogic S912 TV box. See the old bug in: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3143 Signed-off-by: Eero Lehtinen <debiangamer2 at gmail.com> --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -36,8 +36,8 @@ ret = readl_relaxed_poll_timeout_atomic(pfdev->iomem + AS_STATUS(as_nr), val, !(val & AS_STATUS_AS_ACTIVE), 10, 1000); - if (ret) - dev_err(pfdev->dev, "AS_ACTIVE bit stuck\n"); + //if (ret) + // dev_err(pfdev->dev, "AS_ACTIVE bit stuck\n"); return ret; } --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -292,8 +292,8 @@ prot |= IOMMU_NOEXEC; sgt = drm_gem_shmem_get_pages_sgt(obj); - if (WARN_ON(IS_ERR(sgt))) - return PTR_ERR(sgt); + //if (WARN_ON(IS_ERR(sgt))) + // return PTR_ERR(sgt); mmu_map_sg(pfdev, mapping->mmu, mapping->mmnode.start << PAGE_SHIFT, prot, sgt); --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -660,7 +660,7 @@ ret = -1; if ((status & mask) == BIT(as) && (exception_type & 0xF8) == 0xC0) ret = panfrost_mmu_map_fault_addr(pfdev, as, addr); - +#if 0 if (ret) /* terminal fault, print info about the fault */ dev_err(pfdev->dev, @@ -678,7 +678,7 @@ exception_type, panfrost_exception_name(pfdev, exception_type), access_type, access_type_name(pfdev, fault_status), source_id); - +#endif status &= ~mask; /* If we received new MMU interrupts, process them before returning. */ --- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c @@ -85,8 +85,8 @@ mutex_unlock(&pfdev->shrinker_lock); - if (freed > 0) - pr_info_ratelimited("Purging %lu bytes\n", freed << PAGE_SHIFT); + // if (freed > 0) + // pr_info_ratelimited("Purging %lu bytes\n", freed << PAGE_SHIFT); return freed; }
