Commit 7989b9ee authored Oct 30, 2018 by Y.C. Chen Committed by Dave Airlie Nov 22, 2018

drm/ast: fixed cursor may disappear sometimes



Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 1a37bd82

drivers/gpu/drm/ast/ast_mode.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1255,7 +1255,7 @@ static int ast_cursor_move(struct drm_crtc *crtc,
		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07));

		/* dummy write to fire HWC */
		ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xCB, 0xFF, 0x00);
		ast_show_cursor(crtc);

		return 0;
		}

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