[PATCH] gpu: dc: fix enum conversion in display_mode_vba
Christian König
christian.koenig at amd.com
Mon Sep 19 07:44:14 UTC 2022
Am 19.09.22 um 03:41 schrieb Zeng Heng:
> Fix below compile warning when open enum-conversion
> option check (compiled with -Wenum-conversion):
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:
> In function ‘dml20_ModeSupportAndSystemConfigurationFull’:
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:3900:44:
> error: implicit conversion from ‘enum <anonymous>’ to ‘enum odm_combine_mode’ [-Werror=enum-conversion]
> 3900 | locals->ODMCombineEnablePerState[i][k] = false;
> | ^
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:3904:46:
> error: implicit conversion from ‘enum <anonymous>’ to ‘enum odm_combine_mode’ [-Werror=enum-conversion]
> 3904 | locals->ODMCombineEnablePerState[i][k] = true;
> | ^
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:3907:46:
> error: implicit conversion from ‘enum <anonymous>’ to ‘enum odm_combine_mode’ [-Werror=enum-conversion]
> 3907 | locals->ODMCombineEnablePerState[i][k] = true;
> | ^
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:3960:45:
> error: implicit conversion from ‘enum <anonymous>’ to ‘enum odm_combine_mode’ [-Werror=enum-conversion]
> 3960 | locals->ODMCombineEnablePerState[i][k] = false;
>
> Use the proper value from the right enumerated type,
> dm_odm_combine_mode_disabled & dm_odm_combine_mode_2to1,
> so there is no more implicit conversion.
>
> The numerical values of dm_odm_combine_mode_disabled
> & false and dm_odm_combine_mode_2to1 & true
> happen to be the same, so there is no change in
> behavior.
In the subject line the correct prefix is "drm/amdgpu: ....", but apart
from that looks good to me as well.
But our DC team has to take a closer look.
Thanks,
Christian.
>
> Signed-off-by: Zeng Heng <zengheng4 at huawei.com>
> ---
> .../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 d3b5b6fedf04..6266b0788387 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
> @@ -3897,14 +3897,14 @@ 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;
> }
> }
> @@ -3957,7 +3957,7 @@ 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 edd098c7eb92..989d83ee3842 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
> @@ -4008,17 +4008,17 @@ 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;
> }
> }
> @@ -4071,7 +4071,7 @@ 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 d40d32e380f4..f15e82492381 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
> @@ -4102,17 +4102,17 @@ 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;
> }
> }
> @@ -4165,7 +4165,7 @@ 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]
> @@ -5230,7 +5230,7 @@ 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];
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