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b22ddca004
commit32c4514455upstream. Wait for the command transmission to be completed in the DSI transfer function polling for the dc_start bit to go back to idle state after the transmission is started. This is documented in the datasheet and failures to do so lead to commands corruption. Fixes:ff1ca6397b("drm/bridge: Add tc358768 driver") Cc: stable@vger.kernel.org Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20240926141246.48282-1-francesco@dolcini.it Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240926141246.48282-1-francesco@dolcini.it Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>