From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 178 +++++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 142 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 3131129..3ee0322 100644
--- a/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -28,12 +28,128 @@
#ifndef VMWGFX_KMS_H_
#define VMWGFX_KMS_H_
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_encoder.h>
+#include <drm/drm_probe_helper.h>
+
#include "vmwgfx_drv.h"
+/**
+ * struct vmw_du_update_plane - Closure structure for vmw_du_helper_plane_update
+ * @plane: Plane which is being updated.
+ * @old_state: Old state of plane.
+ * @dev_priv: Device private.
+ * @du: Display unit on which to update the plane.
+ * @vfb: Framebuffer which is blitted to display unit.
+ * @out_fence: Out fence for resource finish.
+ * @mutex: The mutex used to protect resource reservation.
+ * @cpu_blit: True if need cpu blit.
+ * @intr: Whether to perform waits interruptible if possible.
+ *
+ * This structure loosely represent the set of operations needed to perform a
+ * plane update on a display unit. Implementer will define that functionality
+ * according to the function callbacks for this structure. In brief it involves
+ * surface/buffer object validation, populate FIFO commands and command
+ * submission to the device.
+ */
+struct vmw_du_update_plane {
+ /**
+ * @calc_fifo_size: Calculate fifo size.
+ *
+ * Determine fifo size for the commands needed for update. The number of
+ * damage clips on display unit @num_hits will be passed to allocate
+ * sufficient fifo space.
+ *
+ * Return: Fifo size needed
+ */
+ uint32_t (*calc_fifo_size)(struct vmw_du_update_plane *update,
+ uint32_t num_hits);
+ /**
+ * @post_prepare: Populate fifo for resource preparation.
+ *
+ * Some surface resource or buffer object need some extra cmd submission
+ * like update GB image for proxy surface and define a GMRFB for screen
+ * object. That should should be done here as this callback will be
+ * called after FIFO allocation with the address of command buufer.
+ *
+ * This callback is optional.
+ *
+ * Return: Size of commands populated to command buffer.
+ */
+ uint32_t (*post_prepare)(struct vmw_du_update_plane *update, void *cmd);
+
+ /**
+ * @pre_clip: Populate fifo before clip.
+ *
+ * This is where pre clip related command should be populated like
+ * surface copy/DMA, etc.
+ *
+ * This callback is optional.
+ *
+ * Return: Size of commands populated to command buffer.
+ */
+ uint32_t (*pre_clip)(struct vmw_du_update_plane *update, void *cmd,
+ uint32_t num_hits);
+
+ /**
+ * @clip: Populate fifo for clip.
+ *
+ * This is where to populate clips for surface copy/dma or blit commands
+ * if needed. This will be called times have damage in display unit,
+ * which is one if doing full update. @clip is the damage in destination
+ * coordinates which is crtc/DU and @src_x, @src_y is damage clip src in
+ * framebuffer coordinate.
+ *
+ * This callback is optional.
+ *
+ * Return: Size of commands populated to command buffer.
+ */
+ uint32_t (*clip)(struct vmw_du_update_plane *update, void *cmd,
+ struct drm_rect *clip, uint32_t src_x, uint32_t src_y);
+
+ /**
+ * @post_clip: Populate fifo after clip.
+ *
+ * This is where to populate display unit update commands or blit
+ * commands.
+ *
+ * Return: Size of commands populated to command buffer.
+ */
+ uint32_t (*post_clip)(struct vmw_du_update_plane *update, void *cmd,
+ struct drm_rect *bb);
+
+ struct drm_plane *plane;
+ struct drm_plane_state *old_state;
+ struct vmw_private *dev_priv;
+ struct vmw_display_unit *du;
+ struct vmw_framebuffer *vfb;
+ struct vmw_fence_obj **out_fence;
+ struct mutex *mutex;
+ bool cpu_blit;
+ bool intr;
+};
+
+/**
+ * struct vmw_du_update_plane_surface - closure structure for surface
+ * @base: base closure structure.
+ * @cmd_start: FIFO command start address (used by SOU only).
+ */
+struct vmw_du_update_plane_surface {
+ struct vmw_du_update_plane base;
+ /* This member is to handle special case SOU surface update */
+ void *cmd_start;
+};
+
+/**
+ * struct vmw_du_update_plane_buffer - Closure structure for buffer object
+ * @base: Base closure structure.
+ * @fb_left: x1 for fb damage bounding box.
+ * @fb_top: y1 for fb damage bounding box.
+ */
+struct vmw_du_update_plane_buffer {
+ struct vmw_du_update_plane base;
+ int fb_left, fb_top;
+};
/**
* struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty
@@ -191,8 +307,6 @@
struct vmw_connector_state {
struct drm_connector_state base;
- bool is_implicit;
-
/**
* @gui_x:
*
@@ -254,7 +368,6 @@
int gui_x;
int gui_y;
bool is_implicit;
- bool active_implicit;
int set_gui_x;
int set_gui_y;
};
@@ -308,24 +421,12 @@
int increment,
struct vmw_kms_dirty *dirty);
-int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
- struct vmw_buffer_object *buf,
- bool interruptible,
- bool validate_as_mob,
- bool for_cpu_blit);
-void vmw_kms_helper_buffer_revert(struct vmw_buffer_object *buf);
-void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
- struct vmw_buffer_object *buf,
- struct vmw_fence_obj **out_fence,
- struct drm_vmw_fence_rep __user *
- user_fence_rep);
-int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
- bool interruptible,
- struct vmw_validation_ctx *ctx);
-void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx);
-void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
- struct vmw_fence_obj **out_fence);
+void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_validation_context *ctx,
+ struct vmw_fence_obj **out_fence,
+ struct drm_vmw_fence_rep __user *
+ user_fence_rep);
int vmw_kms_readback(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,
@@ -346,17 +447,8 @@
struct drm_crtc **p_crtc,
struct drm_display_mode **p_mode);
void vmw_guess_mode_timing(struct drm_display_mode *mode);
-void vmw_kms_del_active(struct vmw_private *dev_priv,
- struct vmw_display_unit *du);
-void vmw_kms_add_active(struct vmw_private *dev_priv,
- struct vmw_display_unit *du,
- struct vmw_framebuffer *vfb);
-bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
- struct drm_crtc *crtc);
-void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
- struct drm_crtc *crtc);
-void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
- bool immutable);
+void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv);
+void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv);
/* Universal Plane Helpers */
void vmw_du_primary_plane_destroy(struct drm_plane *plane);
@@ -468,6 +560,20 @@
bool interruptible,
struct drm_crtc *crtc);
-int vmw_kms_set_config(struct drm_mode_set *set,
- struct drm_modeset_acquire_ctx *ctx);
+int vmw_du_helper_plane_update(struct vmw_du_update_plane *update);
+
+/**
+ * vmw_du_translate_to_crtc - Translate a rect from framebuffer to crtc
+ * @state: Plane state.
+ * @r: Rectangle to translate.
+ */
+static inline void vmw_du_translate_to_crtc(struct drm_plane_state *state,
+ struct drm_rect *r)
+{
+ int translate_crtc_x = -((state->src_x >> 16) - state->crtc_x);
+ int translate_crtc_y = -((state->src_y >> 16) - state->crtc_y);
+
+ drm_rect_translate(r, translate_crtc_x, translate_crtc_y);
+}
+
#endif
--
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