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drm/amd/display: fix cursor offset on rotation 180

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[ Upstream commit 737222cebe ]

[why & how]
Cursor gets clipped off in the middle of the screen with hw
rotation 180. Fix a miscalculation of cursor offset when it's
placed near the edges in the pipe split case.

Cursor bugs with hw rotation were reported on AMD issue
tracker:
https://gitlab.freedesktop.org/drm/amd/-/issues/2247

The issues on rotation 270 was fixed by:
https://lore.kernel.org/amd-gfx/20221118125935.4013669-22-Brian.Chang@amd.com/
that partially addressed the rotation 180 too. So, this patch is the
final bits for rotation 180.

Reported-by: Xaver Hugl <xaver.hugl@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2247
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Fixes: 9d84c7ef8a ("drm/amd/display: Correct cursor position on horizontal mirror")
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1fd2cf0900)
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Melissa Wen 2023-01-31 15:05:46 -01:00 committed by Greg Kroah-Hartman
parent 6490f063d5
commit a50a25dc0c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
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@ -3521,7 +3521,7 @@ void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx)
(int)hubp->curs_attr.width || pos_cpy.x (int)hubp->curs_attr.width || pos_cpy.x
<= (int)hubp->curs_attr.width + <= (int)hubp->curs_attr.width +
pipe_ctx->plane_state->src_rect.x) { pipe_ctx->plane_state->src_rect.x) {
pos_cpy.x = temp_x + viewport_width; pos_cpy.x = 2 * viewport_width - temp_x;
} }
} }
} else { } else {