| Message ID | 20231114174218.19765-2-jonathan@marek.ca (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [1/4] drm/msm/dsi: set VIDEO_COMPRESSION_MODE_CTRL_WC (fix video mode DSC) | expand |
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index bddc57726fb9..2ea2fc105fbf 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -875,6 +875,8 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod /* DSI_VIDEO_COMPRESSION_MODE & DSI_COMMAND_COMPRESSION_MODE * registers have similar offsets, so for below common code use * DSI_VIDEO_COMPRESSION_MODE_XXXX for setting bits + * + * pkt_per_line is log2 encoded, >>1 works for supported values (1,2,4) */ reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_PKT_PER_LINE(pkt_per_line >> 1); reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_EOL_BYTE_NUM(eol_byte_num);
Make it clear why the pkt_per_line value is being "divided by 2". Signed-off-by: Jonathan Marek <jonathan@marek.ca> --- drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++ 1 file changed, 2 insertions(+)