diff options
| author |   Ondrej Jirman <megi@xff.cz> | 2022-10-23 18:07:47 +0200 |
|---|---|---|
| committer |   Heiko Stuebner <heiko@sntech.de> | 2022-10-29 14:41:06 +0200 |
| commit | 553c5a429aee26c9cfaf37ae158a8915540270fe (patch) | |
| tree | efbe28ba1a9c29bc03b9c2d07973467be70625e6 /drivers/gpu/drm/rockchip | |
| parent | drm/rockchip: fix fbdev on non-IOMMU devices (diff) | |
| download | linux-dev-553c5a429aee26c9cfaf37ae158a8915540270fe.tar.xz linux-dev-553c5a429aee26c9cfaf37ae158a8915540270fe.zip | |
drm/rockchip: dsi: Fix VOP selection on SoCs that support it
lcdsel_grf_reg is defined as u32, so "< 0" comaprison is always false,
which breaks VOP selection on eg. RK3399. Compare against 0.
Fixes: f3aaa6125b6f ("drm/rockchip: dsi: add rk3568 support")
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221023160747.607943-1-megi@xff.cz
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 528ddce144e5..f4df9820b295 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -752,7 +752,7 @@ static void dw_mipi_dsi_rockchip_config(struct dw_mipi_dsi_rockchip *dsi) static void dw_mipi_dsi_rockchip_set_lcdsel(struct dw_mipi_dsi_rockchip *dsi, int mux) { - if (dsi->cdata->lcdsel_grf_reg < 0) + if (dsi->cdata->lcdsel_grf_reg) regmap_write(dsi->grf_regmap, dsi->cdata->lcdsel_grf_reg, mux ? dsi->cdata->lcdsel_lit : dsi->cdata->lcdsel_big); } @@ -1643,7 +1643,6 @@ static const struct rockchip_dw_dsi_chip_data rk3399_chip_data[] = { static const struct rockchip_dw_dsi_chip_data rk3568_chip_data[] = { { .reg = 0xfe060000, - .lcdsel_grf_reg = -1, .lanecfg1_grf_reg = RK3568_GRF_VO_CON2, .lanecfg1 = HIWORD_UPDATE(0, RK3568_DSI0_SKEWCALHS | RK3568_DSI0_FORCETXSTOPMODE | @@ -1653,7 +1652,6 @@ static const struct rockchip_dw_dsi_chip_data rk3568_chip_data[] = { }, { .reg = 0xfe070000, - .lcdsel_grf_reg = -1, .lanecfg1_grf_reg = RK3568_GRF_VO_CON3, .lanecfg1 = HIWORD_UPDATE(0, RK3568_DSI1_SKEWCALHS | RK3568_DSI1_FORCETXSTOPMODE | |