This might help debug issues better than just debug logging the function name.
v2: Debug log type as hex (Ville) Reviewed-by: Ville Syrjälä <[email protected]> Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c index 63837406d99b..fac8729e442c 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -107,8 +107,7 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, u16 len; enum port port; ssize_t ret; - - drm_dbg_kms(display->drm, "\n"); + bool hs_mode; flags = *data++; type = *data++; @@ -130,13 +129,18 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, goto out; } - if ((flags >> MIPI_TRANSFER_MODE_SHIFT) & 1) + hs_mode = (flags >> MIPI_TRANSFER_MODE_SHIFT) & 1; + if (hs_mode) dsi_device->mode_flags &= ~MIPI_DSI_MODE_LPM; else dsi_device->mode_flags |= MIPI_DSI_MODE_LPM; dsi_device->channel = (flags >> MIPI_VIRTUAL_CHANNEL_SHIFT) & 3; + drm_dbg_kms(display->drm, "DSI packet: Port %c (seq %u), Flags 0x%02x, VC %u, %s, Type 0x%02x, Length %u, Data %*ph\n", + port_name(port), seq_port, flags, dsi_device->channel, + hs_mode ? "HS" : "LP", type, len, (int)len, data); + switch (type) { case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM: ret = mipi_dsi_generic_write(dsi_device, NULL, 0); -- 2.47.3
