On Thu, Sep 10, 2020 at 10:04:02AM -0700, Nathan Chancellor wrote:
> Clang warns 100+ times in the vc4 driver along the lines of:
> 
> drivers/gpu/drm/vc4/vc4_hdmi_phy.c:518:13: warning: implicit conversion
> from enumeration type 'enum vc4_hdmi_field' to different enumeration
> type 'enum vc4_hdmi_regs' [-Wenum-conversion]
>         HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
>         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> The HDMI_READ and HDMI_WRITE macros pass in enumerators of type
> vc4_hdmi_field but vc4_hdmi_write and vc4_hdmi_read expect a enumerator
> of type vc4_hdmi_regs, causing a warning for every instance of this.
> Update the parameter type so there is no more mismatch.
> 
> Fixes: 311e305fdb4e ("drm/vc4: hdmi: Implement a register layout abstraction")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1149
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Applied, thanks!
Maxime