drm/amd/display: Remove optimization for VRR updates

commit 3442f4e0e55555d14b099c17382453fdfd2508d5 upstream.

Optimization caused unexpected regression, so remove for now.

Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index af7aefe..2e93693 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -401,9 +401,6 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc,
 {
        int i;
 
-       if (memcmp(adjust, &stream->adjust, sizeof(struct dc_crtc_timing_adjust)) == 0)
-               return true;
-
        stream->adjust.v_total_max = adjust->v_total_max;
        stream->adjust.v_total_mid = adjust->v_total_mid;
        stream->adjust.v_total_mid_frame_num = adjust->v_total_mid_frame_num;