From: Hans de Goede <hdegoede@redhat.com>
To: "Jani Nikula" <jani.nikula@linux.intel.com>,
"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
Javier Martinez Canillas <javierm@redhat.com>,
dri-devel@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 3/5] drm/i915/dsi: Add some debug logging to mipi_exec_i2c
Date: Fri, 25 Feb 2022 22:49:32 +0100 [thread overview]
Message-ID: <20220225214934.383168-3-hdegoede@redhat.com> (raw)
In-Reply-To: <20220225214934.383168-1-hdegoede@redhat.com>
Add some debug logging to mipi_exec_i2c, to make debugging various
issues seen with it easier.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index 0da91849efde..215dbfc0af0f 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -464,6 +464,10 @@ 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, "%s bus %d client-addr 0x%02x reg 0x%02x data %*ph\n",
+ __func__, 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);
--
2.35.1
next prev parent reply other threads:[~2022-02-25 21:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-25 21:49 [Intel-gfx] [PATCH 1/5] drm/i915/vlv_dsi: Add DMI quirk for wrong panel modeline in BIOS on Asus TF103C (v2) Hans de Goede
2022-02-25 21:49 ` [Intel-gfx] [PATCH 2/5] drm/i915/vlv_dsi: Add DMI quirk for wrong panel size on Lenovo Yoga Tablet 2 series Hans de Goede
2022-02-25 21:49 ` Hans de Goede [this message]
2022-02-25 22:04 ` [Intel-gfx] [PATCH 3/5] drm/i915/dsi: Add some debug logging to mipi_exec_i2c Javier Martinez Canillas
2022-03-03 10:22 ` Jani Nikula
2022-02-25 21:49 ` [Intel-gfx] [PATCH 4/5] drm/i915/dsi: Skip MIPI I2C sequences if not listed as a I2cSerialBus resource Hans de Goede
2022-02-25 21:49 ` [Intel-gfx] [PATCH 5/5] drm/i915/vlv_dsi: Skip MIPI I2C sequences on Microsoft Surface 3 Hans de Goede
2022-02-26 1:39 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/5] drm/i915/vlv_dsi: Add DMI quirk for wrong panel modeline in BIOS on Asus TF103C (v2) Patchwork
2022-02-26 2:11 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-02-27 1:35 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
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