[Intel-gfx] [PATCH v2 2/7] drm/i915/dsi: add debug logging to element execution

Jani Nikula jani.nikula at intel.com
Mon Sep 19 12:02:25 UTC 2016


Just simple breadcrumbs for now. While at it, rename the i2c skip
function.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index a537c71cdcc6..89f77a142521 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -126,6 +126,8 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi,
 	u16 len;
 	enum port port;
 
+	DRM_DEBUG_KMS("\n");
+
 	flags = *data++;
 	type = *data++;
 
@@ -199,6 +201,8 @@ static const u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, const u8 *data)
 {
 	u32 delay = *((const u32 *) data);
 
+	DRM_DEBUG_KMS("\n");
+
 	usleep_range(delay, delay + 10);
 	data += 4;
 
@@ -307,6 +311,8 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 	u8 gpio_source, gpio_index;
 	bool value;
 
+	DRM_DEBUG_KMS("\n");
+
 	if (dev_priv->vbt.dsi.seq_version >= 3)
 		data++;
 
@@ -331,8 +337,10 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 	return data;
 }
 
-static const u8 *mipi_exec_i2c_skip(struct intel_dsi *intel_dsi, const u8 *data)
+static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data)
 {
+	DRM_DEBUG_KMS("Skipping I2C element execution\n");
+
 	return data + *(data + 6) + 7;
 }
 
@@ -342,7 +350,7 @@ static const fn_mipi_elem_exec exec_elem[] = {
 	[MIPI_SEQ_ELEM_SEND_PKT] = mipi_exec_send_packet,
 	[MIPI_SEQ_ELEM_DELAY] = mipi_exec_delay,
 	[MIPI_SEQ_ELEM_GPIO] = mipi_exec_gpio,
-	[MIPI_SEQ_ELEM_I2C] = mipi_exec_i2c_skip,
+	[MIPI_SEQ_ELEM_I2C] = mipi_exec_i2c,
 };
 
 /*
-- 
2.1.4



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