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path: root/drivers/gpu/drm/bridge/samsung-dsim.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/samsung-dsim.c')
-rw-r--r--drivers/gpu/drm/bridge/samsung-dsim.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 63a1a0c88b..8476650c47 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -96,6 +96,7 @@
#define DSIM_MFLUSH_VS BIT(29)
/* This flag is valid only for exynos3250/3472/5260/5430 */
#define DSIM_CLKLANE_STOP BIT(30)
+#define DSIM_NON_CONTINUOUS_CLKLANE BIT(31)
/* DSIM_ESCMODE */
#define DSIM_TX_TRIGGER_RST BIT(4)
@@ -573,8 +574,8 @@ static unsigned long samsung_dsim_pll_find_pms(struct samsung_dsim *dsi,
u16 _m, best_m;
u8 _s, best_s;
- p_min = DIV_ROUND_UP(fin, (12 * MHZ));
- p_max = fin / (6 * MHZ);
+ p_min = DIV_ROUND_UP(fin, (driver_data->pll_fin_max * MHZ));
+ p_max = fin / (driver_data->pll_fin_min * MHZ);
for (_p = p_min; _p <= p_max; ++_p) {
for (_s = 0; _s <= 5; ++_s) {
@@ -945,8 +946,12 @@ static int samsung_dsim_init_link(struct samsung_dsim *dsi)
* power consumption.
*/
if (driver_data->has_clklane_stop &&
- dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
+ dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) {
+ if (!samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type))
+ reg |= DSIM_NON_CONTINUOUS_CLKLANE;
+
reg |= DSIM_CLKLANE_STOP;
+ }
samsung_dsim_write(dsi, DSIM_CONFIG_REG, reg);
lanes_mask = BIT(dsi->lanes) - 1;
@@ -1498,6 +1503,7 @@ static void samsung_dsim_atomic_disable(struct drm_bridge *bridge,
if (!(dsi->state & DSIM_STATE_ENABLED))
return;
+ samsung_dsim_set_display_enable(dsi, false);
dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE;
}
@@ -1506,8 +1512,6 @@ static void samsung_dsim_atomic_post_disable(struct drm_bridge *bridge,
{
struct samsung_dsim *dsi = bridge_to_dsi(bridge);
- samsung_dsim_set_display_enable(dsi, false);
-
dsi->state &= ~DSIM_STATE_ENABLED;
pm_runtime_put_sync(dsi->dev);
}
@@ -1992,11 +1996,11 @@ int samsung_dsim_probe(struct platform_device *pdev)
else
dsi->bridge.timings = &samsung_dsim_bridge_timings_de_high;
- if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host)
+ if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host) {
ret = dsi->plat_data->host_ops->register_host(dsi);
-
- if (ret)
- goto err_disable_runtime;
+ if (ret)
+ goto err_disable_runtime;
+ }
return 0;