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 <hdego...@redhat.com>
---
drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 3 +++
1 file changed, 3 insertions(+)
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);
--
2.41.0
