[Intel-gfx] [PATCH 3/3] drm/i915/uc: Update drawing for firmware layout

[Michal Wajdeczko]

Sphinx was rendering firmware layout as html table, but since
we want to add sizes relations switch to plain text graphics.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h | 25 +++++++++-----------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
index 3ca535534151..e25271aac765 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
@@ -11,21 +11,18 @@
 /**
  * DOC: GuC Firmware Layout
  *
- * The GuC firmware layout looks like this:
+ * The GuC firmware layout looks like this::
  *
- *     +-------------------------------+
- *     |         uc_css_header         |
- *     |                               |
- *     | contains major/minor version  |
- *     +-------------------------------+
- *     |             uCode             |
- *     +-------------------------------+
- *     |         RSA signature         |
- *     +-------------------------------+
- *     |          modulus key          |
- *     +-------------------------------+
- *     |          exponent val         |
- *     +-------------------------------+
+ *      +======================================================================+
+ *      |  Firmware blob                                                       |
+ *      +===============+===============+============+============+============+
+ *      |  CSS header   |     uCode     |    key     |  modulus   |  exponent  |
+ *      +===============+===============+============+============+============+
+ *       <-header size->                 <---header size continued ----------->
+ *       <--- size ----------------------------------------------------------->
+ *                                       <-key size->
+ *                                                    <-mod size->
+ *                                                                 <-exp size->
  *
  * The firmware may or may not have modulus key and exponent data. The header,
  * uCode and RSA signature are must-have components that will be used by driver.
-- 
2.19.2