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drm/amd/display: Fix set scaling doesn's work

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commit 040625ab82 upstream.

[Why]
Setting scaling does not correctly update CRTC state. As a result
dc stream state's src (composition area) && dest (addressable area)
was not calculated as expected. This causes set scaling doesn's work.

[How]
Correctly update CRTC state when setting scaling property.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: hongao <hongao@uniontech.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
hongao 2022-11-22 19:20:34 +08:00 • committed by Greg Kroah-Hartman
commit a3ef532483
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View file

@ -8783,8 +8783,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
goto fail;
}
if (dm_old_con_state->abm_level !=
dm_new_con_state->abm_level)
if (dm_old_con_state->abm_level != dm_new_con_state->abm_level ||
dm_old_con_state->scaling != dm_new_con_state->scaling)
new_crtc_state->connectors_changed = true;
}