Re: [PATCH 5/7] drm/amd/display: Use proper enum conversion functions

From: Nathan Chancellor
Date: Thu Jul 18 2019 - 23:17:15 EST


On Wed, Jul 03, 2019 at 10:52:16PM -0700, Nathan Chancellor wrote:
> clang warns:
>
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_pp_smu.c:336:8:
> warning: implicit conversion from enumeration type 'enum smu_clk_type'
> to different enumeration type 'enum amd_pp_clock_type'
> [-Wenum-conversion]
> dc_to_smu_clock_type(clk_type),
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_pp_smu.c:421:14:
> warning: implicit conversion from enumeration type 'enum
> amd_pp_clock_type' to different enumeration type 'enum smu_clk_type'
> [-Wenum-conversion]
> dc_to_pp_clock_type(clk_type),
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> There are functions to properly convert between all of these types, use
> them so there are no longer any warnings.
>
> Fixes: a43913ea50a5 ("drm/amd/powerplay: add function get_clock_by_type_with_latency for navi10")
> Fixes: e5e4e22391c2 ("drm/amd/powerplay: add interface to get clock by type with latency for display (v2)")
> Link: https://github.com/ClangBuiltLinux/linux/issues/586
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
> index eac09bfe3be2..0f76cfff9d9b 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
> @@ -333,7 +333,7 @@ bool dm_pp_get_clock_levels_by_type(
> }
> } else if (adev->smu.funcs && adev->smu.funcs->get_clock_by_type) {
> if (smu_get_clock_by_type(&adev->smu,
> - dc_to_smu_clock_type(clk_type),
> + dc_to_pp_clock_type(clk_type),
> &pp_clks)) {
> get_default_clock_levels(clk_type, dc_clks);
> return true;
> @@ -418,7 +418,7 @@ bool dm_pp_get_clock_levels_by_type_with_latency(
> return false;
> } else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_latency) {
> if (smu_get_clock_by_type_with_latency(&adev->smu,
> - dc_to_pp_clock_type(clk_type),
> + dc_to_smu_clock_type(clk_type),
> &pp_clks))
> return false;
> }
> --
> 2.22.0
>

Gentle ping for review, this is the last remaining warning that I see
from amdgpu on next-20190718.

Cheers,
Nathan