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author | tiancyin | 2019-04-01 04:15:31 +0200 |
---|---|---|
committer | Greg Kroah-Hartman | 2019-05-10 17:54:08 +0200 |
commit | dd015a3b072aff9057dd1cccd7029cc775ab1357 (patch) | |
tree | 02c4354930a605d70a6efd07ff069fc079f72853 /drivers/gpu/drm/amd | |
parent | ASoC: rockchip: pdm: fix regmap_ops hang issue (diff) | |
download | kernel-qcow2-linux-dd015a3b072aff9057dd1cccd7029cc775ab1357.tar.gz kernel-qcow2-linux-dd015a3b072aff9057dd1cccd7029cc775ab1357.tar.xz kernel-qcow2-linux-dd015a3b072aff9057dd1cccd7029cc775ab1357.zip |
drm/amd/display: fix cursor black issue
[ Upstream commit c1cefe115d1cdc460014483319d440b2f0d07c68 ]
[Why]
the member sdr_white_level of struct dc_cursor_attributes was not
initialized, then the random value result that
dcn10_set_cursor_sdr_white_level() set error hw_scale value 0x20D9(normal
value is 0x3c00), this cause the black cursor issue.
[how]
just initilize the obj of struct dc_cursor_attributes to zero to avoid
the random value.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Tianci Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 |
1 files changed, 1 insertions, 0 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 2b8b892eb846..76ee2de43ea6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4028,6 +4028,7 @@ static void handle_cursor_update(struct drm_plane *plane, amdgpu_crtc->cursor_width = plane->state->crtc_w; amdgpu_crtc->cursor_height = plane->state->crtc_h; + memset(&attributes, 0, sizeof(attributes)); attributes.address.high_part = upper_32_bits(address); attributes.address.low_part = lower_32_bits(address); attributes.width = plane->state->crtc_w; |