diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-12-02 12:44:18 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-12-02 12:44:18 +0100 |
| commit | 3aba2eba84e0219fb66061359052be81bd883d53 (patch) | |
| tree | 36da31539acaa6c360d0b606103d90926ac04e50 /drivers/gpu/drm/bridge | |
| parent | 44cff6c5b0b17a78bc0b30372bcd816cf6dd282a (diff) | |
| parent | 40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff) | |
Merge drm/drm-next into drm-misc-next
Kickstart 6.14 cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358768.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c index fc96fa5aab54..2cb748bbefcd 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -125,6 +125,9 @@ #define TC358768_DSI_CONFW_MODE_CLR (6 << 29) #define TC358768_DSI_CONFW_ADDR_DSI_CONTROL (0x3 << 24) +/* TC358768_DSICMD_TX (0x0600) register */ +#define TC358768_DSI_CMDTX_DC_START BIT(0) + static const char * const tc358768_supplies[] = { "vddc", "vddmipi", "vddio" }; @@ -229,6 +232,21 @@ static void tc358768_update_bits(struct tc358768_priv *priv, u32 reg, u32 mask, tc358768_write(priv, reg, tmp); } +static void tc358768_dsicmd_tx(struct tc358768_priv *priv) +{ + u32 val; + + /* start transfer */ + tc358768_write(priv, TC358768_DSICMD_TX, TC358768_DSI_CMDTX_DC_START); + if (priv->error) + return; + + /* wait transfer completion */ + priv->error = regmap_read_poll_timeout(priv->regmap, TC358768_DSICMD_TX, val, + (val & TC358768_DSI_CMDTX_DC_START) == 0, + 100, 100000); +} + static int tc358768_sw_reset(struct tc358768_priv *priv) { /* Assert Reset */ @@ -518,8 +536,7 @@ static ssize_t tc358768_dsi_host_transfer(struct mipi_dsi_host *host, } } - /* start transfer */ - tc358768_write(priv, TC358768_DSICMD_TX, 1); + tc358768_dsicmd_tx(priv); ret = tc358768_clear_error(priv); if (ret) |