On 3/24/20 6:08 PM, Sowjanya Komatineni wrote:
On 3/24/20 5:34 PM, Dmitry Osipenko wrote:
External email: Use caution opening links or attachments
23.03.2020 20:52, Sowjanya Komatineni пишет:
+static void tegra_channel_vi_soft_reset(struct tegra_vi_channel *chan)
+{
+ /* disable clock gating to enable continuous clock */
+ tegra_vi_write(chan, TEGRA_VI_CFG_CG_CTRL, 0);
+ /*
+ * Soft reset memory client interface, pixel format logic, sensor
+ * control logic, and a shadow copy logic to bring VI to clean
state.
+ */
+ vi_csi_write(chan, TEGRA_VI_CSI_SW_RESET, 0xf);
+ usleep_range(100, 200);
+ vi_csi_write(chan, TEGRA_VI_CSI_SW_RESET, 0x0);
Is it safe to reset MCCIF without blocking and flushing memory requests
at first?
Yes to bring VI to clean state on errors its recommended by HW design
team.
BTW, just to be clear this is Software reset.
