diff options
| author | Jitao Shi <jitao.shi@mediatek.com> | 2019-09-19 14:58:00 +0800 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2019-10-07 12:29:37 +0800 |
| commit | 89d0e3f8825822ca20f3af2d61e5e1e6df4c2476 (patch) | |
| tree | 66648e933097afa6462d1b9bc84716d6f573b976 | |
| parent | bb6bc2982a28d5d8e83c3bf0887949be1cc6bb5d (diff) | |
drm/mediatek: replace writeb() with mtk_dsi_mask()
The writeb() is unavailable in mt8173. Because the mt8173 dsi module
doesn't support 8bit mode access.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index f165ec52b66a..a7caf75fb971 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -962,7 +962,9 @@ static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg) } for (i = 0; i < msg->tx_len; i++) - writeb(tx_buf[i], dsi->regs + reg_cmdq_off + cmdq_off + i); + mtk_dsi_mask(dsi, (reg_cmdq_off + cmdq_off + i) & (~0x3U), + (0xffUL << (((i + cmdq_off) & 3U) * 8U)), + tx_buf[i] << (((i + cmdq_off) & 3U) * 8U)); mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val); mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size); |