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authorDario Binacchi <dario.binacchi@amarulasolutions.com>2023-12-18 09:43:38 +0100
committerRobert Foss <rfoss@kernel.org>2024-01-22 16:08:34 +0100
commit72a0cfdc3ad74c16715ccbef314ea77df0512c6e (patch)
tree3d060657f1ec08b55b69c10b9414b0af70517086 /drivers/gpu/drm/bridge
parentb2fe2292624ac4fc98dcdaf76c983d3f6e8455e5 (diff)
drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting
The patch completes the setting of CLKLANE_STOP for the imx8m{m,n,p} platforms (i. e. not exynos). Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231218084354.508942-3-dario.binacchi@amarulasolutions.com
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/samsung-dsim.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 12054b8745a9..f9d85fe1df7e 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)
@@ -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;