target/linux/layerscape/patches-5.4/805-display-0044-drm-imx-Extract-IPUv3-specific-KMS-functions-to-ipuv.patch

   1 From 6b1bc8ad2bdcfa0cbda91a0963aed746c424465d Mon Sep 17 00:00:00 2001
   2 From: Liu Ying <victor.liu@nxp.com>
   3 Date: Thu, 24 Jan 2019 17:06:30 +0800
   4 Subject: [PATCH] drm/imx: Extract IPUv3 specific KMS functions to ipuv3-kms.c
   5  (part 1)
   6
   7 Since we want to add i.MX DPU support into imx-drm, the imx-drm core
   8 driver should be no more IPUv3 specific.  Let's make imx-drm more generic
   9 and extract IPUv3 specific KMS functions to ipuv3-kms.c.
  10
  11 Signed-off-by: Liu Ying <victor.liu@nxp.com>
  12 [ Aisheng: update to new kernel version accordingly ]
  13 [ Aisheng: split IPU changes out of imx-drm-core change ]
  14 Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
  15 ---
  16  drivers/gpu/drm/imx/imx-drm-core.c | 81 --------------------------------------
  17  drivers/gpu/drm/imx/imx-drm.h      |  5 +--
  18  2 files changed, 2 insertions(+), 84 deletions(-)
  19
  20 --- a/drivers/gpu/drm/imx/imx-drm-core.c
  21 +++ b/drivers/gpu/drm/imx/imx-drm-core.c
  22 @@ -26,9 +26,6 @@
  23  #include <drm/drm_vblank.h>
  24
  25  #include "imx-drm.h"
  26 -#include "ipuv3-plane.h"
  27 -
  28 -#define MAX_CRTC       4
  29
  30  static int legacyfb_depth = 16;
  31  module_param(legacyfb_depth, int, 0444);
  32 @@ -48,81 +45,6 @@ void imx_drm_encoder_destroy(struct drm_
  33  }
  34  EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
  35
  36 -static int imx_drm_atomic_check(struct drm_device *dev,
  37 -                               struct drm_atomic_state *state)
  38 -{
  39 -       int ret;
  40 -
  41 -       ret = drm_atomic_helper_check(dev, state);
  42 -       if (ret)
  43 -               return ret;
  44 -
  45 -       /*
  46 -        * Check modeset again in case crtc_state->mode_changed is
  47 -        * updated in plane's ->atomic_check callback.
  48 -        */
  49 -       ret = drm_atomic_helper_check_modeset(dev, state);
  50 -       if (ret)
  51 -               return ret;
  52 -
  53 -       /* Assign PRG/PRE channels and check if all constrains are satisfied. */
  54 -       ret = ipu_planes_assign_pre(dev, state);
  55 -       if (ret)
  56 -               return ret;
  57 -
  58 -       return ret;
  59 -}
  60 -
  61 -static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
  62 -       .fb_create = drm_gem_fb_create,
  63 -       .atomic_check = imx_drm_atomic_check,
  64 -       .atomic_commit = drm_atomic_helper_commit,
  65 -};
  66 -
  67 -static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
  68 -{
  69 -       struct drm_device *dev = state->dev;
  70 -       struct drm_plane *plane;
  71 -       struct drm_plane_state *old_plane_state, *new_plane_state;
  72 -       bool plane_disabling = false;
  73 -       int i;
  74 -
  75 -       drm_atomic_helper_commit_modeset_disables(dev, state);
  76 -
  77 -       drm_atomic_helper_commit_planes(dev, state,
  78 -                               DRM_PLANE_COMMIT_ACTIVE_ONLY |
  79 -                               DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET);
  80 -
  81 -       drm_atomic_helper_commit_modeset_enables(dev, state);
  82 -
  83 -       for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
  84 -               if (drm_atomic_plane_disabling(old_plane_state, new_plane_state))
  85 -                       plane_disabling = true;
  86 -       }
  87 -
  88 -       /*
  89 -        * The flip done wait is only strictly required by imx-drm if a deferred
  90 -        * plane disable is in-flight. As the core requires blocking commits
  91 -        * to wait for the flip it is done here unconditionally. This keeps the
  92 -        * workitem around a bit longer than required for the majority of
  93 -        * non-blocking commits, but we accept that for the sake of simplicity.
  94 -        */
  95 -       drm_atomic_helper_wait_for_flip_done(dev, state);
  96 -
  97 -       if (plane_disabling) {
  98 -               for_each_old_plane_in_state(state, plane, old_plane_state, i)
  99 -                       ipu_plane_disable_deferred(plane);
 100 -
 101 -       }
 102 -
 103 -       drm_atomic_helper_commit_hw_done(state);
 104 -}
 105 -
 106 -static const struct drm_mode_config_helper_funcs imx_drm_mode_config_helpers = {
 107 -       .atomic_commit_tail = imx_drm_atomic_commit_tail,
 108 -};
 109 -
 110 -
 111  int imx_drm_encoder_parse_of(struct drm_device *drm,
 112         struct drm_encoder *encoder, struct device_node *np)
 113  {
 114 @@ -223,9 +145,6 @@ static int imx_drm_bind(struct device *d
 115         drm->mode_config.min_height = 1;
 116         drm->mode_config.max_width = 4096;
 117         drm->mode_config.max_height = 4096;
 118 -       drm->mode_config.funcs = &imx_drm_mode_config_funcs;
 119 -       drm->mode_config.helper_private = &imx_drm_mode_config_helpers;
 120 -       drm->mode_config.allow_fb_modifiers = true;
 121         drm->mode_config.normalize_zpos = true;
 122
 123         drm_mode_config_init(drm);
 124 --- a/drivers/gpu/drm/imx/imx-drm.h
 125 +++ b/drivers/gpu/drm/imx/imx-drm.h
 126 @@ -2,6 +2,8 @@
 127  #ifndef _IMX_DRM_H_
 128  #define _IMX_DRM_H_
 129
 130 +#define MAX_CRTC       4
 131 +
 132  struct device_node;
 133  struct drm_crtc;
 134  struct drm_connector;
 135 @@ -38,7 +40,4 @@ int imx_drm_encoder_parse_of(struct drm_
 136  void imx_drm_connector_destroy(struct drm_connector *connector);
 137  void imx_drm_encoder_destroy(struct drm_encoder *encoder);
 138
 139 -int ipu_planes_assign_pre(struct drm_device *dev,
 140 -                         struct drm_atomic_state *state);
 141 -
 142  #endif /* _IMX_DRM_H_ */