fix(docs): eliminate 2 types of sphinx warnings: (#6928)

Co-authored-by: Liam <30486941+liamHowatt@users.noreply.github.com>

docs/overview/renderers/arm2d.rst

@@ -10,6 +10,7 @@ Cortex-M0 to the latest Cortex-M85.
 
 Arm-2D accelerates LVGL9 with two modes: **Synchronous Mode** and
 **Asynchronous Mode**.
+
 - When **Helium** and **ACI (Arm Custom Instruction)** are available, it is recommend
   to use **Synchronous Mode** to accelerate LVGL.
 - When Arm-2D backed 2D-GPUs are available, for example, **DMAC-350 based 2D
@@ -18,10 +19,12 @@ Arm-2D accelerates LVGL9 with two modes: **Synchronous Mode** and
 Arm-2D is an open-source project on GitHub. For more, please refer to:
 https://github.com/ARM-software/Arm-2D.
 
+
 How to Use
 **********
 
 In general:
+
 - you can set the macro :c:macro:`LV_USE_DRAW_ARM2D_SYNC` to ``1`` and
   :c:macro:`LV_DRAW_SW_ASM` to ``LV_DRAW_SW_ASM_HELIUM`` in ``lv_conf.h`` to
   enable Arm-2D synchronous acceleration for LVGL.
@@ -62,4 +65,6 @@ Examples
 API
 ***
 
-:ref:`lv_gpu_arm2d`
+:ref:`lv_draw_sw_arm2d_h`
+
+:ref:`lv_blend_arm2d_h`

docs/overview/renderers/pxp.rst

@@ -5,10 +5,11 @@ NXP PXP GPU
 API
 ---
 
-:ref:`lv_draw_pxp`
+:ref:`lv_draw_pxp_h`
 
-:ref:`lv_draw_pxp_blend`
+:ref:`lv_pxp_cfg_h`
 
-:ref:`lv_gpu_nxp_pxp`
+:ref:`lv_pxp_osa_h`
+
+:ref:`lv_pxp_utils_h`
 
-:ref:`lv_gpu_nxp_pxp_osa`

docs/overview/renderers/sdl.rst

@@ -5,22 +5,5 @@ SDL renderer
 API
 ---
 
-:ref:`lv_draw_sdl`
+:ref:`lv_draw_sdl_h`
 
-:ref:`lv_draw_sdl_composite`
-
-:ref:`lv_draw_sdl_img`
-
-:ref:`lv_draw_sdl_layer`
-
-:ref:`lv_draw_sdl_mask`
-
-:ref:`lv_draw_sdl_priv`
-
-:ref:`lv_draw_sdl_rect`
-
-:ref:`lv_draw_sdl_stack_blur`
-
-:ref:`lv_draw_sdl_texture_cache`
-
-:ref:`lv_draw_sdl_utils`

docs/overview/renderers/stm32_dma2d.rst

@@ -5,4 +5,5 @@ DMA2D GPU
 API
 ---
 
-:ref:`lv_gpu_stm32_dma2d`
+:ref:`lv_draw_dma2d_h`
+

docs/overview/renderers/sw.rst

@@ -5,10 +5,8 @@ Software renderer
 API
 ---
 
-:ref:`lv_draw_sw`
+:ref:`lv_draw_sw_h`
 
-:ref:`lv_draw_sw_blend`
+:ref:`lv_draw_sw_blend_h`
 
-:ref:`lv_draw_sw_dither`
-
-:ref:`lv_draw_sw_gradient`
+:ref:`lv_draw_sw_gradient_h`

docs/overview/renderers/vglite.rst

@@ -5,13 +5,13 @@ NXP VGLite GPU
 API
 ---
 
-:ref:`lv_draw_vglite`
+:ref:`lv_draw_vglite_h`
 
-:ref:`lv_draw_vglite_arc`
+:ref:`lv_vglite_buf_h`
 
-:ref:`lv_draw_vglite_blend`
+:ref:`lv_vglite_matrix_h`
 
-:ref:`lv_draw_vglite_line`
+:ref:`lv_vglite_path_h`
 
-:ref:`lv_draw_vglite_rect`
+:ref:`lv_vglite_utils_h`