diff options
| author | Giedrius Statkevičius <giedriuswork@gmail.com> | 2024-10-17 10:57:24 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2025-01-27 14:54:46 -0500 |
| commit | 2e0727c347467775a2dfa7d850a3a029f3212e58 (patch) | |
| tree | 67c8ac3e415ea5d5363ab49e457fe22c97da5608 | |
| parent | f14d81b7102bdbf062f90b3910e986850f5f86c2 (diff) | |
drm/i915/lspcon: do not hardcode settle timeout
Avoid hardcoding the LSPCON settle timeout because it takes a longer
time on certain chips made by certain vendors. Use the function that
already exists to determine the timeout.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Giedrius Statkevičius <giedriuswork@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017075725.207384-1-giedriuswork@gmail.com
Acked-by: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/display/drm_dp_dual_mode_helper.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_lspcon.c | 3 | ||||
| -rw-r--r-- | include/drm/display/drm_dp_dual_mode_helper.h | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c index c491e3203bf1..4c350c7f5144 100644 --- a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c +++ b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c @@ -486,16 +486,16 @@ EXPORT_SYMBOL(drm_lspcon_get_mode); * @dev: &drm_device to use * @adapter: I2C-over-aux adapter * @mode: required mode of operation + * @time_out: LSPCON mode change settle timeout * * Returns: * 0 on success, -error on failure/timeout */ int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter, - enum drm_lspcon_mode mode) + enum drm_lspcon_mode mode, int time_out) { u8 data = 0; int ret; - int time_out = 200; enum drm_lspcon_mode current_mode; if (mode == DRM_LSPCON_MODE_PCON) diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index d75dd17fad32..0c8bf477c2fb 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -212,7 +212,8 @@ static int lspcon_change_mode(struct intel_lspcon *lspcon, return 0; } - err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode); + err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode, + lspcon_get_mode_settle_timeout(lspcon)); if (err < 0) { drm_err(display->drm, "LSPCON mode change failed\n"); return err; diff --git a/include/drm/display/drm_dp_dual_mode_helper.h b/include/drm/display/drm_dp_dual_mode_helper.h index 7ee482265087..7ac6969db935 100644 --- a/include/drm/display/drm_dp_dual_mode_helper.h +++ b/include/drm/display/drm_dp_dual_mode_helper.h @@ -117,5 +117,5 @@ const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type); int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter, enum drm_lspcon_mode *current_mode); int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter, - enum drm_lspcon_mode reqd_mode); + enum drm_lspcon_mode reqd_mode, int time_out); #endif |