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

143 lines
4.3 KiB
Diff
Raw Normal View History

From 6b1bc8ad2bdcfa0cbda91a0963aed746c424465d Mon Sep 17 00:00:00 2001
From: Liu Ying <victor.liu@nxp.com>
Date: Thu, 24 Jan 2019 17:06:30 +0800
Subject: [PATCH] drm/imx: Extract IPUv3 specific KMS functions to ipuv3-kms.c
(part 1)
Since we want to add i.MX DPU support into imx-drm, the imx-drm core
driver should be no more IPUv3 specific. Let's make imx-drm more generic
and extract IPUv3 specific KMS functions to ipuv3-kms.c.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
[ Aisheng: update to new kernel version accordingly ]
[ Aisheng: split IPU changes out of imx-drm-core change ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
drivers/gpu/drm/imx/imx-drm-core.c | 81 --------------------------------------
drivers/gpu/drm/imx/imx-drm.h | 5 +--
2 files changed, 2 insertions(+), 84 deletions(-)
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -26,9 +26,6 @@
#include <drm/drm_vblank.h>
#include "imx-drm.h"
-#include "ipuv3-plane.h"
-
-#define MAX_CRTC 4
static int legacyfb_depth = 16;
module_param(legacyfb_depth, int, 0444);
@@ -48,81 +45,6 @@ void imx_drm_encoder_destroy(struct drm_
}
EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
-static int imx_drm_atomic_check(struct drm_device *dev,
- struct drm_atomic_state *state)
-{
- int ret;
-
- ret = drm_atomic_helper_check(dev, state);
- if (ret)
- return ret;
-
- /*
- * Check modeset again in case crtc_state->mode_changed is
- * updated in plane's ->atomic_check callback.
- */
- ret = drm_atomic_helper_check_modeset(dev, state);
- if (ret)
- return ret;
-
- /* Assign PRG/PRE channels and check if all constrains are satisfied. */
- ret = ipu_planes_assign_pre(dev, state);
- if (ret)
- return ret;
-
- return ret;
-}
-
-static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
- .fb_create = drm_gem_fb_create,
- .atomic_check = imx_drm_atomic_check,
- .atomic_commit = drm_atomic_helper_commit,
-};
-
-static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
-{
- struct drm_device *dev = state->dev;
- struct drm_plane *plane;
- struct drm_plane_state *old_plane_state, *new_plane_state;
- bool plane_disabling = false;
- int i;
-
- drm_atomic_helper_commit_modeset_disables(dev, state);
-
- drm_atomic_helper_commit_planes(dev, state,
- DRM_PLANE_COMMIT_ACTIVE_ONLY |
- DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET);
-
- drm_atomic_helper_commit_modeset_enables(dev, state);
-
- for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
- if (drm_atomic_plane_disabling(old_plane_state, new_plane_state))
- plane_disabling = true;
- }
-
- /*
- * The flip done wait is only strictly required by imx-drm if a deferred
- * plane disable is in-flight. As the core requires blocking commits
- * to wait for the flip it is done here unconditionally. This keeps the
- * workitem around a bit longer than required for the majority of
- * non-blocking commits, but we accept that for the sake of simplicity.
- */
- drm_atomic_helper_wait_for_flip_done(dev, state);
-
- if (plane_disabling) {
- for_each_old_plane_in_state(state, plane, old_plane_state, i)
- ipu_plane_disable_deferred(plane);
-
- }
-
- drm_atomic_helper_commit_hw_done(state);
-}
-
-static const struct drm_mode_config_helper_funcs imx_drm_mode_config_helpers = {
- .atomic_commit_tail = imx_drm_atomic_commit_tail,
-};
-
-
int imx_drm_encoder_parse_of(struct drm_device *drm,
struct drm_encoder *encoder, struct device_node *np)
{
@@ -223,9 +145,6 @@ static int imx_drm_bind(struct device *d
drm->mode_config.min_height = 1;
drm->mode_config.max_width = 4096;
drm->mode_config.max_height = 4096;
- drm->mode_config.funcs = &imx_drm_mode_config_funcs;
- drm->mode_config.helper_private = &imx_drm_mode_config_helpers;
- drm->mode_config.allow_fb_modifiers = true;
drm->mode_config.normalize_zpos = true;
drm_mode_config_init(drm);
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -2,6 +2,8 @@
#ifndef _IMX_DRM_H_
#define _IMX_DRM_H_
+#define MAX_CRTC 4
+
struct device_node;
struct drm_crtc;
struct drm_connector;
@@ -38,7 +40,4 @@ int imx_drm_encoder_parse_of(struct drm_
void imx_drm_connector_destroy(struct drm_connector *connector);
void imx_drm_encoder_destroy(struct drm_encoder *encoder);
-int ipu_planes_assign_pre(struct drm_device *dev,
- struct drm_atomic_state *state);
-
#endif /* _IMX_DRM_H_ */