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| author | Hans de Goede <hdegoede@redhat.com> | 2023-09-20 21:56:13 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-10-12 12:41:54 +0200 |
| commit | a6028afef98a6e3f059a014452914eb01035d530 (patch) | |
| tree | f40f77b26593f2a5b640fa35f43b3ad22b08b84e /drivers | |
| parent | f6f4a0862bde6c2a15654da624dc8509bf66d87e (diff) | |
| download | lwn-a6028afef98a6e3f059a014452914eb01035d530.tar.gz lwn-a6028afef98a6e3f059a014452914eb01035d530.zip | |
drm/i915/dsi: Add some debug logging to mipi_exec_i2c (v2)
Add some debug logging to mipi_exec_i2c, to make debugging various
issues seen with it easier.
Changes in v2:
- Drop unnecessary __func__ drm_dbg_kms() argument
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920195613.304091-5-hdegoede@redhat.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c index e56ec3f2d84a..24b2cbcfc1ef 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -565,6 +565,9 @@ static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data) u8 payload_size = *(data + 6); u8 *payload_data; + drm_dbg_kms(&i915->drm, "bus %d client-addr 0x%02x reg 0x%02x data %*ph\n", + vbt_i2c_bus_num, slave_addr, reg_offset, payload_size, data + 7); + if (intel_dsi->i2c_bus_num < 0) { intel_dsi->i2c_bus_num = vbt_i2c_bus_num; i2c_acpi_find_adapter(intel_dsi, slave_addr); |