drm/amdgpu: add raven1 gfxoff quirk

Fix screen corruption with openkylin.

Link: https://bbs.openkylin.top/t/topic/171497
Signed-off-by: Peng Liu <liupeng01@kylinos.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -1345,6 +1345,8 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = {
 	{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 },
 	/* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */
 	{ 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 },
+	/* https://bbs.openkylin.top/t/topic/171497 */
+	{ 0x1002, 0x15d8, 0x19e5, 0x3e14, 0xc2 },
 	{ 0, 0, 0, 0, 0 },
 };