drm/amd/display: Do not set optimized_require to false after plane disable
authorSung Lee <sung.lee@amd.com>
Wed, 15 Jan 2020 16:55:06 +0000 (11:55 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 6 Feb 2020 20:04:36 +0000 (15:04 -0500)
[WHY]
The optimized_require flag is needed to set watermarks and clocks lower
in certain conditions. This flag is set to true and then set to false
while programming front end in dcn20.

[HOW]
Do not set the flag to false while disabling plane.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

index cfbbaffa865475933d069f647be2df3bb02b322a..a444fed94184919c51bded44ebb4eaafd3db117b 100644 (file)
@@ -572,7 +572,6 @@ void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
        dpp->funcs->dpp_dppclk_control(dpp, false, false);
 
        hubp->power_gated = true;
-       dc->optimized_required = false; /* We're powering off, no need to optimize */
 
        hws->funcs.plane_atomic_power_down(dc,
                        pipe_ctx->plane_res.dpp,