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drm/i915/dsi: Add some debug logging to mipi_exec_i2c (v2)

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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
This commit is contained in:
Hans de Goede 2023-09-20 21:56:13 +02:00
parent f6f4a0862b
commit a6028afef9
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_dsi_vbt.c
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@ -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);