From 005868d633f371451d5954e6ad62e5be20745f9f Mon Sep 17 00:00:00 2001 From: Hugo Hu Date: Fri, 25 Oct 2019 15:33:15 +0800 Subject: [PATCH 4476/4736] drm/amd/display: Update background color in bottommost mpcc [Why] Background color only takes effect in bottommost mpcc. [How] Update background color in bottommost mpcc. Signed-off-by: Hugo Hu Reviewed-by: Yongqiang Sun Acked-by: Rodrigo Siqueira --- .../gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c index 8b2f29f6dabd..b3f66e1de15d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c @@ -42,20 +42,27 @@ void mpc1_set_bg_color(struct mpc *mpc, int mpcc_id) { struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc); + struct mpcc *bottommost_mpcc = mpc1_get_mpcc(mpc, mpcc_id); + uint32_t bg_r_cr, bg_g_y, bg_b_cb; + + /* find bottommost mpcc. */ + while (bottommost_mpcc->mpcc_bot) { + bottommost_mpcc = bottommost_mpcc->mpcc_bot; + } /* mpc color is 12 bit. tg_color is 10 bit */ /* todo: might want to use 16 bit to represent color and have each * hw block translate to correct color depth. */ - uint32_t bg_r_cr = bg_color->color_r_cr << 2; - uint32_t bg_g_y = bg_color->color_g_y << 2; - uint32_t bg_b_cb = bg_color->color_b_cb << 2; + bg_r_cr = bg_color->color_r_cr << 2; + bg_g_y = bg_color->color_g_y << 2; + bg_b_cb = bg_color->color_b_cb << 2; - REG_SET(MPCC_BG_R_CR[mpcc_id], 0, + REG_SET(MPCC_BG_R_CR[bottommost_mpcc->mpcc_id], 0, MPCC_BG_R_CR, bg_r_cr); - REG_SET(MPCC_BG_G_Y[mpcc_id], 0, + REG_SET(MPCC_BG_G_Y[bottommost_mpcc->mpcc_id], 0, MPCC_BG_G_Y, bg_g_y); - REG_SET(MPCC_BG_B_CB[mpcc_id], 0, + REG_SET(MPCC_BG_B_CB[bottommost_mpcc->mpcc_id], 0, MPCC_BG_B_CB, bg_b_cb); } -- 2.17.1