On 3/24/20 5:34 PM, Dmitry Osipenko wrote:
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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.