docs: drm/amdgpu: Resolve build warnings

Some of the documentation formatting could be improved
which will resolve some Sphinx amdgpu build warnings e.g

WARNING: Unexpected indentation.
WARNING: Block quote ends without a blank line; unexpected unindent.
WARNING: Inline emphasis start-string without end-string.
Signed-off-by: Adam Zerella <adam.zerella@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -245,10 +245,13 @@ module_param_named(msi, amdgpu_msi, int, 0444);
  *
  * The format can be [Non-Compute] or [GFX,Compute,SDMA,Video]. That is there can be one or
  * multiple values specified. 0 and negative values are invalidated. They will be adjusted
- * to default timeout.
+ * to the default timeout.
+ *
  * - With one value specified, the setting will apply to all non-compute jobs.
- *  - With multiple values specified, the first one will be for GFX. The second one is for Compute.
- *    And the third and fourth ones are for SDMA and Video.
+ * - With multiple values specified, the first one will be for GFX.
+ *   The second one is for Compute. The third and fourth ones are
+ *   for SDMA and Video.
+ *
  * By default(with no lockup_timeout settings), the timeout for all non-compute(GFX, SDMA and Video)
  * jobs is 10000. And there is no timeout enforced on compute jobs.
  */

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

@@ -2196,9 +2196,9 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
  *
  * - fan1_input: fan speed in RPM
  *
- * - fan[1-*]_target: Desired fan speed Unit: revolution/min (RPM)
+ * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM)
  *
- * - fan[1-*]_enable: Enable or disable the sensors.1: Enable 0: Disable
+ * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
  *
  * hwmon interfaces for GPU clocks:
  *

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -216,17 +216,20 @@ static struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
  *
  * Second member: struct ras_debug_if::op.
  * It has three kinds of operations.
- *  0: disable RAS on the block. Take ::head as its data.
- *  1: enable RAS on the block. Take ::head as its data.
- *  2: inject errors on the block. Take ::inject as its data.
+ *
+ * - 0: disable RAS on the block. Take ::head as its data.
+ * - 1: enable RAS on the block. Take ::head as its data.
+ * - 2: inject errors on the block. Take ::inject as its data.
  *
  * How to use the interface?
  * programs:
  * copy the struct ras_debug_if in your codes and initialize it.
  * write the struct to the control node.
  *
- * bash:
+ * .. code-block:: bash
+ *
  *	echo op block [error [sub_blcok address value]] > .../ras/ras_ctrl
+ *
  * op: disable, enable, inject
  *	disable: only block is needed
  *	enable: block and error are needed
@@ -236,9 +239,13 @@ static struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
  * error: ue, ce
  *	ue: multi_uncorrectable
  *	ce: single_correctable
- *	sub_block: sub block index, pass 0 if there is no sub block
+ * sub_block:
+ *	sub block index, pass 0 if there is no sub block
+ *
+ * here are some examples for bash commands:
+ *
+ * .. code-block:: bash
  *
- * here are some examples for bash commands,
  *	echo inject umc ue 0x0 0x0 0x0 > /sys/kernel/debug/dri/0/ras/ras_ctrl
  *	echo inject umc ce 0 0 0 > /sys/kernel/debug/dri/0/ras/ras_ctrl
  *	echo disable umc > /sys/kernel/debug/dri/0/ras/ras_ctrl
@@ -251,7 +258,8 @@ static struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
  * For inject, please check corresponding err count at
  * /sys/class/drm/card[0/1/2...]/device/ras/[gfx/sdma/...]_err_count
  *
- * NOTE: operation is only allowed on blocks which are supported.
+ * .. note::
+ *	Operation is only allowed on blocks which are supported.
  *	Please check ras mask at /sys/module/amdgpu/parameters/ras_mask
  */
 static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *buf,