From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mikko Perttunen Subject: [PATCH 02/10] gpu: host1x: Print MLOCK state in debug dumps on T186 Date: Sun, 5 Nov 2017 13:01:10 +0200 Message-ID: <20171105110118.15142-3-mperttunen@nvidia.com> References: <20171105110118.15142-1-mperttunen@nvidia.com> Return-path: In-Reply-To: <20171105110118.15142-1-mperttunen@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: thierry.reding@gmail.com, jonathanh@nvidia.com Cc: digetx@gmail.com, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Mikko Perttunen List-Id: linux-tegra@vger.kernel.org Add support for dumping current MLOCK state in debug dumps also on T186, now that MLOCKs are used by the driver. Signed-off-by: Mikko Perttunen --- drivers/gpu/host1x/hw/debug_hw_1x06.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/host1x/hw/debug_hw_1x06.c b/drivers/gpu/host1x/hw/debug_hw_1x06.c index b503c740c022..659dd6042ccc 100644 --- a/drivers/gpu/host1x/hw/debug_hw_1x06.c +++ b/drivers/gpu/host1x/hw/debug_hw_1x06.c @@ -131,5 +131,21 @@ static void host1x_debug_show_channel_fifo(struct host1x *host, static void host1x_debug_show_mlocks(struct host1x *host, struct output *o) { - /* TODO */ + unsigned int i; + + if (!host->hv_regs) + return; + + host1x_debug_output(o, "---- mlocks ----\n"); + + for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) { + u32 val = host1x_hypervisor_readl(host, HOST1X_HV_MLOCK(i)); + if (HOST1X_HV_MLOCK_LOCKED_V(val)) + host1x_debug_output(o, "%u: locked by channel %u\n", + i, HOST1X_HV_MLOCK_CH_V(val)); + else + host1x_debug_output(o, "%u: unlocked\n", i); + } + + host1x_debug_output(o, "\n"); } -- 2.14.2