[PATCH] drm/amd/display: Disable -Wenum-float-conversion for dml2_dpmm_dcn4.c

[Nathan Chancellor]

On Thu, Dec 19, 2024 at 05:21:41PM -0500, Alex Deucher wrote:
> On Thu, Dec 19, 2024 at 12:23 PM Nathan Chancellor <nathan at kernel.org> wrote:
> >
> > Commit be4e3509314a ("drm/amd/display: DML21 Reintegration For Various
> > Fixes") blew away commit fdedd77b0eb3 ("drm/amd/display: Reapply
> > 2fde4fdddc1f"), which itself was a reapplication for the same reason,
> > which results in that compiler warning returning:
> >
> >   drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_dcn4.c:215:58: error: arithmetic between enumeration type 'enum dentist_divider_range' and floating-point type 'double' [-Werror,-Wenum-float-conversion]
> >     215 |         divider = (unsigned int)(DFS_DIVIDER_RANGE_SCALE_FACTOR * (vco_freq_khz / clock_khz));
> >         |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > Just disable the warning for the whole file via Makefile to avoid having
> > to reapply the same fix every time the code syncs from wherever it is
> > actually maintained.
> >
> > Fixes: be4e3509314a ("drm/amd/display: DML21 Reintegration For Various Fixes")
> > Signed-off-by: Nathan Chancellor <nathan at kernel.org>
> > ---
> > If you would prefer reapplying the local fix, feel free to do so, but I
> > would like for it to be in the upstream source so it does not have to
> > keep being applied.
> 
> I've reapplied the original fix and I've confirmed that the fix will
> be pushed to the DML tree as well this time.

Did that actually end up happening? Commit 1b30456150e5
("drm/amd/display: DML21 Reintegration") in next-20250214 reintroduces
this warning... I guess it may be a timing thing because the author date
is three weeks ago or so. Should I send my "Reapply" patch or will you
take care of it?

Cheers,
Nathan