Re: [PATCH] [SUBMITTED 20210927] [RESEND^2] drm/amdgpu: fix enum odm_combine_mode mismatch

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On Mon, Feb 6, 2023 at 2:36 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
>
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> A conversion from 'bool' to 'enum odm_combine_mode' was incomplete,
> and gcc warns about this with many instances of
>
> display/dc/dml/dcn20/display_mode_vba_20.c:3899:44: warning: implicit conversion from 'enum <anonymous>' to 'enum
> odm_combine_mode' [-Wenum-conversion]
>  3899 |     locals->ODMCombineEnablePerState[i][k] = false;
>
> Change the ones that we get a warning for, using the same numerical
> values to leave the behavior unchanged.
>
> Fixes: 5fc11598166d ("drm/amd/display: expand dml structs")
> Link: https://lore.kernel.org/all/20201026210039.3884312-3-arnd@xxxxxxxxxx/
> Link: https://lore.kernel.org/all/20210927100659.1431744-1-arnd@xxxxxxxxxx/
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> I sent this in 2020 and in 2021, but never got a reply and the warning
> is still there.

Applied.  Sorry for the delay.

Alex

> ---
>  .../amd/display/dc/dml/dcn20/display_mode_vba_20.c   |  8 ++++----
>  .../amd/display/dc/dml/dcn20/display_mode_vba_20v2.c | 10 +++++-----
>  .../amd/display/dc/dml/dcn21/display_mode_vba_21.c   | 12 ++++++------
>  3 files changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
> index f34bc3c8da41..69c41e3e3ba2 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
> @@ -3901,14 +3901,14 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
>                                         mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
>                                                         * (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
>
> -                               locals->ODMCombineEnablePerState[i][k] = false;
> +                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
>                                 if (mode_lib->vba.ODMCapability) {
>                                         if (locals->PlaneRequiredDISPCLKWithoutODMCombine > mode_lib->vba.MaxDispclkRoundedDownToDFSGranularity) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         } else if (locals->HActive[k] > DCN20_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         }
>                                 }
> @@ -3961,7 +3961,7 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
>                                 locals->RequiredDISPCLK[i][j] = 0.0;
>                                 locals->DISPCLK_DPPCLK_Support[i][j] = true;
>                                 for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
> -                                       locals->ODMCombineEnablePerState[i][k] = false;
> +                                       locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                         if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
>                                                 locals->NoOfDPP[i][j][k] = 1;
>                                                 locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
> index 366138df0fe2..f475a0ae946c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
> @@ -4012,17 +4012,17 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
>                                         mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
>                                                         * (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
>
> -                               locals->ODMCombineEnablePerState[i][k] = false;
> +                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
>                                 if (mode_lib->vba.ODMCapability) {
>                                         if (locals->PlaneRequiredDISPCLKWithoutODMCombine > MaxMaxDispclkRoundedDown) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         } else if (locals->DSCEnabled[k] && (locals->HActive[k] > DCN20_MAX_DSC_IMAGE_WIDTH)) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         } else if (locals->HActive[k] > DCN20_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         }
>                                 }
> @@ -4075,7 +4075,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
>                                 locals->RequiredDISPCLK[i][j] = 0.0;
>                                 locals->DISPCLK_DPPCLK_Support[i][j] = true;
>                                 for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
> -                                       locals->ODMCombineEnablePerState[i][k] = false;
> +                                       locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                         if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
>                                                 locals->NoOfDPP[i][j][k] = 1;
>                                                 locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
> index eeb4d3441e1d..3a896d0172a9 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
> @@ -4106,17 +4106,17 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
>                                         mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
>                                                         * (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
>
> -                               locals->ODMCombineEnablePerState[i][k] = false;
> +                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
>                                 if (mode_lib->vba.ODMCapability) {
>                                         if (locals->PlaneRequiredDISPCLKWithoutODMCombine > MaxMaxDispclkRoundedDown) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         } else if (locals->DSCEnabled[k] && (locals->HActive[k] > DCN21_MAX_DSC_IMAGE_WIDTH)) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         } else if (locals->HActive[k] > DCN21_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
> -                                               locals->ODMCombineEnablePerState[i][k] = true;
> +                                               locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
>                                                 mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
>                                         }
>                                 }
> @@ -4169,7 +4169,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
>                                 locals->RequiredDISPCLK[i][j] = 0.0;
>                                 locals->DISPCLK_DPPCLK_Support[i][j] = true;
>                                 for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
> -                                       locals->ODMCombineEnablePerState[i][k] = false;
> +                                       locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
>                                         if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
>                                                 locals->NoOfDPP[i][j][k] = 1;
>                                                 locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
> @@ -5234,7 +5234,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
>                         mode_lib->vba.ODMCombineEnabled[k] =
>                                         locals->ODMCombineEnablePerState[mode_lib->vba.VoltageLevel][k];
>                 } else {
> -                       mode_lib->vba.ODMCombineEnabled[k] = false;
> +                       mode_lib->vba.ODMCombineEnabled[k] = dm_odm_combine_mode_disabled;
>                 }
>                 mode_lib->vba.DSCEnabled[k] =
>                                 locals->RequiresDSC[mode_lib->vba.VoltageLevel][k];
> --
> 2.39.0
>



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