[why]
Processing rate of the DP encoder, must be programmed to be the same as
DIG_FIFO_OUTPUT_ PROCESSING_MODE in DP mode
0: 1 pixel per cycle
1: 2 pixel per cycle
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
uint32_t n_vid = 0x8000;
uint32_t m_vid;
uint32_t n_multiply = 0;
+ uint32_t pix_per_cycle = 0;
uint64_t m_vid_l = n_vid;
/* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */
REG_UPDATE_2(DP_VID_TIMING,
DP_VID_M_N_GEN_EN, 1,
DP_VID_N_MUL, n_multiply);
+
+ REG_UPDATE(DP_PIXEL_FORMAT,
+ DP_PIXEL_PER_CYCLE_PROCESSING_MODE,
+ pix_per_cycle);
}
/* make sure stream is disabled before resetting steer fifo */