diff options
| author | Fabien Dessenne <fabien.dessenne@st.com> | 2015-05-12 13:02:11 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-06-09 18:12:28 -0300 |
| commit | 34b6beb65beb7f7726baa771661c671310445265 (patch) | |
| tree | 1c419de647756c9de8cb07aaede3534bc46d7a2a /drivers/media/platform/sti/bdisp/bdisp-v4l2.c | |
| parent | 28ffeebbb7bdc0dd7899286b63f3c359d43d0a1a (diff) | |
[media] bdisp: add debug file system
Creates 5 debugfs entries to dump the last HW request, the last HW node
(=command), the HW registers and the recent HW performance (time & fps)
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/sti/bdisp/bdisp-v4l2.c')
| -rw-r--r-- | drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index 6e8fd2747e8a..89d7a2279bc6 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -336,6 +336,8 @@ static void bdisp_device_run(void *priv) goto out; } + bdisp_dbg_perf_begin(bdisp); + err = bdisp_hw_reset(bdisp); if (err) { dev_err(bdisp->dev, "could not get HW ready\n"); @@ -1075,6 +1077,8 @@ static irqreturn_t bdisp_irq_thread(int irq, void *priv) spin_lock(&bdisp->slock); + bdisp_dbg_perf_end(bdisp); + cancel_delayed_work(&bdisp->timeout_work); if (!test_and_clear_bit(ST_M2M_RUNNING, &bdisp->state)) @@ -1247,6 +1251,8 @@ static int bdisp_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); + bdisp_debugfs_remove(bdisp); + v4l2_device_unregister(&bdisp->v4l2_dev); if (!IS_ERR(bdisp->clock)) @@ -1328,12 +1334,19 @@ static int bdisp_probe(struct platform_device *pdev) goto err_clk; } + /* Debug */ + ret = bdisp_debugfs_create(bdisp); + if (ret) { + dev_err(dev, "failed to create debugfs\n"); + goto err_v4l2; + } + /* Power management */ pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); if (ret < 0) { dev_err(dev, "failed to set PM\n"); - goto err_v4l2; + goto err_dbg; } /* Continuous memory allocator */ @@ -1370,6 +1383,8 @@ err_vb2_dma: vb2_dma_contig_cleanup_ctx(bdisp->alloc_ctx); err_pm: pm_runtime_put(dev); +err_dbg: + bdisp_debugfs_remove(bdisp); err_v4l2: v4l2_device_unregister(&bdisp->v4l2_dev); err_clk: |