[PATCH 1/2] drm/amd/display: Fix incorrect power gating configuration for DOMAIN10
Alex Deucher
alexdeucher at gmail.com
Wed Nov 6 15:27:19 UTC 2024
On Wed, Nov 6, 2024 at 3:18 AM Zicheng Qu <quzicheng at huawei.com> wrote:
>
> The current implementation incorrectly updates DOMAIN10_PG_CONFIG with
> DOMAIN8_POWER_FORCEON, which is not the intended behavior. This patch
> corrects the power gating configuration by updating DOMAIN10_PG_CONFIG
> with DOMAIN10_POWER_FORCEON, preventing potential issues related to
> power management.
The bitfield is the same for both so there is no functional change.
This is just a cosmetic change to use the right bitfield macro.
Alex
>
> Fixes: 46825fcfbe16 ("drm/amd/display: avoid power gate domains that doesn't exist")
> Signed-off-by: Zicheng Qu <quzicheng at huawei.com>
> ---
> drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
> index a80c08582932..67a77274d813 100644
> --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
> +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
> @@ -317,7 +317,7 @@ void dcn20_enable_power_gating_plane(
> if (REG(DOMAIN8_PG_CONFIG))
> REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
> if (REG(DOMAIN10_PG_CONFIG))
> - REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
> + REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN10_POWER_FORCEON, force_on);
>
> /* DPP0/1/2/3/4/5 */
> REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
> --
> 2.34.1
>
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