From: Vasily Khoruzhick anarsoul@gmail.com

[ Upstream commit 1e8a6ce9186dbf342eebc07cf14cae5e82164e03 ]

Some drivers (e.g. sun4i-drm) need this info to decide whether they need to enable dithering. Currently driver reports what panel supports and if panel supports 8 we don't get dithering enabled.

Hardcode BPC to 6 for now since that's the only BPC that driver supports.

Fixes: 6aa192698089 ("drm/bridge: Add Analogix anx6345 support") Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com Acked-by: Jernej Skrabec jernej.skrabec@siol.net Signed-off-by: Jernej Skrabec jernej.skrabec@siol.net Link: https://patchwork.freedesktop.org/patch/msgid/20200329222253.2941405-1-anars... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c index 526507102c1ea..8d32fea84c75e 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c @@ -485,6 +485,9 @@ static int anx6345_get_modes(struct drm_connector *connector)

num_modes += drm_add_edid_modes(connector, anx6345->edid);

+ /* Driver currently supports only 6bpc */ + connector->display_info.bpc = 6; + unlock: if (power_off) anx6345_poweroff(anx6345);