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From 964dac819599c27d1a68874050207557029cfa59 Mon Sep 17 00:00:00 2001
From: "Leo (Sunpeng) Li" <sunpeng.li@amd.com>
Date: Tue, 21 Nov 2017 13:19:04 -0500
Subject: [PATCH 3001/4131] drm/amd/display: Do DC mode-change check after
stream creation
Do DC level mode change checks (via dc_stream_state) only when creating
a new stream, as this check is uneccessary without a new dc_stream_state
anyways. Doing so better demonstrates the intent of this mode-change
check, in comparison to guarding it with the 'enable' flag.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Conflicts:
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
Change-Id: I368395d23f3428fb58cd9ee5316eaecc74784806
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d66af76..0db20ef 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5007,18 +5007,17 @@ static int dm_update_crtcs_state(struct dc *dc,
__func__, acrtc->base.base.id);
break;
}
- }
-
- if (enable && dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
- dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
-
- new_crtc_state->mode_changed = false;
DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
new_crtc_state->mode_changed);
+ if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
+ dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
+ new_crtc_state->mode_changed = false;
+ DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
+ new_crtc_state->mode_changed);
+ }
}
-
if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
goto next_crtc;
--
2.7.4
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