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| author | Dario Binacchi <dario.binacchi@amarulasolutions.com> | 2023-12-18 09:43:38 +0100 |
|---|---|---|
| committer | Robert Foss <rfoss@kernel.org> | 2024-01-22 16:08:34 +0100 |
| commit | 72a0cfdc3ad74c16715ccbef314ea77df0512c6e (patch) | |
| tree | 3d060657f1ec08b55b69c10b9414b0af70517086 | |
| parent | b2fe2292624ac4fc98dcdaf76c983d3f6e8455e5 (diff) | |
| download | linux-stable-72a0cfdc3ad74c16715ccbef314ea77df0512c6e.tar.gz linux-stable-72a0cfdc3ad74c16715ccbef314ea77df0512c6e.tar.bz2 linux-stable-72a0cfdc3ad74c16715ccbef314ea77df0512c6e.zip | |
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
| -rw-r--r-- | drivers/gpu/drm/bridge/samsung-dsim.c | 7 |
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; |