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drm/amd/display: Update background color in bottommost mpcc

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[Why]
Background color only takes effect in bottommost mpcc.

[How]
Update background color in bottommost mpcc.

Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hugo Hu 2019-10-25 15:33:15 +08:00 • committed by Alex Deucher
parent d3698cea22
commit 9b265eba45
1 changed files with 13 additions and 6 deletions
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19
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
View file

@ -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);
}