diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200')
| -rw-r--r-- | drivers/gpu/drm/mgag200/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_cursor.c | 277 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.h | 57 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_fb.c | 95 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_i2c.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_main.c | 100 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 300 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_reg.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_ttm.c | 48 |
11 files changed, 669 insertions, 226 deletions
diff --git a/drivers/gpu/drm/mgag200/Kconfig b/drivers/gpu/drm/mgag200/Kconfig index d63013497f6..3a1c5fbae54 100644 --- a/drivers/gpu/drm/mgag200/Kconfig +++ b/drivers/gpu/drm/mgag200/Kconfig @@ -1,10 +1,11 @@ config DRM_MGAG200 tristate "Kernel modesetting driver for MGA G200 server engines" - depends on DRM && PCI && EXPERIMENTAL + depends on DRM && PCI select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT select DRM_KMS_HELPER + select DRM_KMS_FB_HELPER select DRM_TTM help This is a KMS driver for the MGA G200 server chips, it diff --git a/drivers/gpu/drm/mgag200/Makefile b/drivers/gpu/drm/mgag200/Makefile index 7db592eedbf..a9a0300f09f 100644 --- a/drivers/gpu/drm/mgag200/Makefile +++ b/drivers/gpu/drm/mgag200/Makefile @@ -1,5 +1,5 @@ ccflags-y := -Iinclude/drm -mgag200-y := mgag200_main.o mgag200_mode.o \ +mgag200-y := mgag200_main.o mgag200_mode.o mgag200_cursor.o \ mgag200_drv.o mgag200_fb.o mgag200_i2c.o mgag200_ttm.o obj-$(CONFIG_DRM_MGAG200) += mgag200.o diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c new file mode 100644 index 00000000000..9f9780b7ddf --- /dev/null +++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c @@ -0,0 +1,277 @@ +/* + * Copyright 2013 Matrox Graphics + * + * This file is subject to the terms and conditions of the GNU General + * Public License version 2. See the file COPYING in the main + * directory of this archive for more details. + * + * Author: Christopher Harvey <charvey@matrox.com> + */ + +#include <drm/drmP.h> +#include "mgag200_drv.h" + +static bool warn_transparent = true; +static bool warn_palette = true; + +/* + Hide the cursor off screen. We can't disable the cursor hardware because it + takes too long to re-activate and causes momentary corruption +*/ +static void mga_hide_cursor(struct mga_device *mdev) +{ + WREG8(MGA_CURPOSXL, 0); + WREG8(MGA_CURPOSXH, 0); + if (mdev->cursor.pixels_1->pin_count) + mgag200_bo_unpin(mdev->cursor.pixels_1); + if (mdev->cursor.pixels_2->pin_count) + mgag200_bo_unpin(mdev->cursor.pixels_2); +} + +int mga_crtc_cursor_set(struct drm_crtc *crtc, + struct drm_file *file_priv, + uint32_t handle, + uint32_t width, + uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct mga_device *mdev = (struct mga_device *)dev->dev_private; + struct mgag200_bo *pixels_1 = mdev->cursor.pixels_1; + struct mgag200_bo *pixels_2 = mdev->cursor.pixels_2; + struct mgag200_bo *pixels_current = mdev->cursor.pixels_current; + struct mgag200_bo *pixels_prev = mdev->cursor.pixels_prev; + struct drm_gem_object *obj; + struct mgag200_bo *bo = NULL; + int ret = 0; + unsigned int i, row, col; + uint32_t colour_set[16]; + uint32_t *next_space = &colour_set[0]; + uint32_t *palette_iter; + uint32_t this_colour; + bool found = false; + int colour_count = 0; + u64 gpu_addr; + u8 reg_index; + u8 this_row[48]; + + if (!pixels_1 || !pixels_2) { + WREG8(MGA_CURPOSXL, 0); + WREG8(MGA_CURPOSXH, 0); + return -ENOTSUPP; /* Didn't allocate space for cursors */ + } + + if ((width != 64 || height != 64) && handle) { + WREG8(MGA_CURPOSXL, 0); + WREG8(MGA_CURPOSXH, 0); + return -EINVAL; + } + + BUG_ON(pixels_1 != pixels_current && pixels_1 != pixels_prev); + BUG_ON(pixels_2 != pixels_current && pixels_2 != pixels_prev); + BUG_ON(pixels_current == pixels_prev); + + ret = mgag200_bo_reserve(pixels_1, true); + if (ret) { + WREG8(MGA_CURPOSXL, 0); + WREG8(MGA_CURPOSXH, 0); + return ret; + } + ret = mgag200_bo_reserve(pixels_2, true); + if (ret) { + WREG8(MGA_CURPOSXL, 0); + WREG8(MGA_CURPOSXH, 0); + mgag200_bo_unreserve(pixels_1); + return ret; + } + + if (!handle) { + mga_hide_cursor(mdev); + ret = 0; + goto out1; + } + + /* Move cursor buffers into VRAM if they aren't already */ + if (!pixels_1->pin_count) { + ret = mgag200_bo_pin(pixels_1, TTM_PL_FLAG_VRAM, + &mdev->cursor.pixels_1_gpu_addr); + if (ret) + goto out1; + } + if (!pixels_2->pin_count) { + ret = mgag200_bo_pin(pixels_2, TTM_PL_FLAG_VRAM, + &mdev->cursor.pixels_2_gpu_addr); + if (ret) { + mgag200_bo_unpin(pixels_1); + goto out1; + } + } + + mutex_lock(&dev->struct_mutex); + obj = drm_gem_object_lookup(dev, file_priv, handle); + if (!obj) { + mutex_unlock(&dev->struct_mutex); + ret = -ENOENT; + goto out1; + } + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + bo = gem_to_mga_bo(obj); + ret = mgag200_bo_reserve(bo, true); + if (ret) { + dev_err(&dev->pdev->dev, "failed to reserve user bo\n"); + goto out1; + } + if (!bo->kmap.virtual) { + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); + if (ret) { + dev_err(&dev->pdev->dev, "failed to kmap user buffer updates\n"); + goto out2; + } + } + + memset(&colour_set[0], 0, sizeof(uint32_t)*16); + /* width*height*4 = 16384 */ + for (i = 0; i < 16384; i += 4) { + this_colour = ioread32(bo->kmap.virtual + i); + /* No transparency */ + if (this_colour>>24 != 0xff && + this_colour>>24 != 0x0) { + if (warn_transparent) { + dev_info(&dev->pdev->dev, "Video card doesn't support cursors with partial transparency.\n"); + dev_info(&dev->pdev->dev, "Not enabling hardware cursor.\n"); + warn_transparent = false; /* Only tell the user once. */ + } + ret = -EINVAL; + goto out3; + } + /* Don't need to store transparent pixels as colours */ + if (this_colour>>24 == 0x0) + continue; + found = false; + for (palette_iter = &colour_set[0]; palette_iter != next_space; palette_iter++) { + if (*palette_iter == this_colour) { + found = true; + break; + } + } + if (found) + continue; + /* We only support 4bit paletted cursors */ + if (colour_count >= 16) { + if (warn_palette) { + dev_info(&dev->pdev->dev, "Video card only supports cursors with up to 16 colours.\n"); + dev_info(&dev->pdev->dev, "Not enabling hardware cursor.\n"); + warn_palette = false; /* Only tell the user once. */ + } + ret = -EINVAL; + goto out3; + } + *next_space = this_colour; + next_space++; + colour_count++; + } + + /* Program colours from cursor icon into palette */ + for (i = 0; i < colour_count; i++) { + if (i <= 2) + reg_index = 0x8 + i*0x4; + else + reg_index = 0x60 + i*0x3; + WREG_DAC(reg_index, colour_set[i] & 0xff); + WREG_DAC(reg_index+1, colour_set[i]>>8 & 0xff); + WREG_DAC(reg_index+2, colour_set[i]>>16 & 0xff); + BUG_ON((colour_set[i]>>24 & 0xff) != 0xff); + } + + /* Map up-coming buffer to write colour indices */ + if (!pixels_prev->kmap.virtual) { + ret = ttm_bo_kmap(&pixels_prev->bo, 0, + pixels_prev->bo.num_pages, + &pixels_prev->kmap); + if (ret) { + dev_err(&dev->pdev->dev, "failed to kmap cursor updates\n"); + goto out3; + } + } + + /* now write colour indices into hardware cursor buffer */ + for (row = 0; row < 64; row++) { + memset(&this_row[0], 0, 48); + for (col = 0; col < 64; col++) { + this_colour = ioread32(bo->kmap.virtual + 4*(col + 64*row)); + /* write transparent pixels */ + if (this_colour>>24 == 0x0) { + this_row[47 - col/8] |= 0x80>>(col%8); + continue; + } + + /* write colour index here */ + for (i = 0; i < colour_count; i++) { + if (colour_set[i] == this_colour) { + if (col % 2) + this_row[col/2] |= i<<4; + else + this_row[col/2] |= i; + break; + } + } + } + memcpy_toio(pixels_prev->kmap.virtual + row*48, &this_row[0], 48); + } + + /* Program gpu address of cursor buffer */ + if (pixels_prev == pixels_1) + gpu_addr = mdev->cursor.pixels_1_gpu_addr; + else + gpu_addr = mdev->cursor.pixels_2_gpu_addr; + WREG_DAC(MGA1064_CURSOR_BASE_ADR_LOW, (u8)((gpu_addr>>10) & 0xff)); + WREG_DAC(MGA1064_CURSOR_BASE_ADR_HI, (u8)((gpu_addr>>18) & 0x3f)); + + /* Adjust cursor control register to turn on the cursor */ + WREG_DAC(MGA1064_CURSOR_CTL, 4); /* 16-colour palletized cursor mode */ + + /* Now swap internal buffer pointers */ + if (mdev->cursor.pixels_1 == mdev->cursor.pixels_prev) { + mdev->cursor.pixels_prev = mdev->cursor.pixels_2; + mdev->cursor.pixels_current = mdev->cursor.pixels_1; + } else if (mdev->cursor.pixels_1 == mdev->cursor.pixels_current) { + mdev->cursor.pixels_prev = mdev->cursor.pixels_1; + mdev->cursor.pixels_current = mdev->cursor.pixels_2; + } else { + BUG(); + } + ret = 0; + + ttm_bo_kunmap(&pixels_prev->kmap); + out3: + ttm_bo_kunmap(&bo->kmap); + out2: + mgag200_bo_unreserve(bo); + out1: + if (ret) + mga_hide_cursor(mdev); + mgag200_bo_unreserve(pixels_1); + mgag200_bo_unreserve(pixels_2); + return ret; +} + +int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct mga_device *mdev = (struct mga_device *)crtc->dev->dev_private; + /* Our origin is at (64,64) */ + x += 64; + y += 64; + + BUG_ON(x <= 0); + BUG_ON(y <= 0); + BUG_ON(x & ~0xffff); + BUG_ON(y & ~0xffff); + + WREG8(MGA_CURPOSXL, x & 0xff); + WREG8(MGA_CURPOSXH, (x>>8) & 0xff); + + WREG8(MGA_CURPOSYL, y & 0xff); + WREG8(MGA_CURPOSYH, (y>>8) & 0xff); + return 0; +} diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index 122b571ccc7..f15ea3c4a90 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -81,7 +81,6 @@ static const struct file_operations mgag200_driver_fops = { .unlocked_ioctl = drm_ioctl, .mmap = mgag200_mmap, .poll = drm_poll, - .fasync = drm_fasync, #ifdef CONFIG_COMPAT .compat_ioctl = drm_compat_ioctl, #endif @@ -89,7 +88,7 @@ static const struct file_operations mgag200_driver_fops = { }; static struct drm_driver driver = { - .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_USE_MTRR, + .driver_features = DRIVER_GEM | DRIVER_MODESET, .load = mgag200_driver_load, .unload = mgag200_driver_unload, .fops = &mgag200_driver_fops, @@ -100,11 +99,10 @@ static struct drm_driver driver = { .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, - .gem_init_object = mgag200_gem_init_object, .gem_free_object = mgag200_gem_free_object, .dumb_create = mgag200_dumb_create, .dumb_map_offset = mgag200_dumb_mmap_offset, - .dumb_destroy = mgag200_dumb_destroy, + .dumb_destroy = drm_gem_dumb_destroy, }; static struct pci_driver mgag200_pci_driver = { diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index 5ea5033eae0..cf11ee68a6d 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -112,10 +112,11 @@ struct mga_framebuffer { struct mga_fbdev { struct drm_fb_helper helper; struct mga_framebuffer mfb; - struct list_head fbdev_list; void *sysram; int size; struct ttm_bo_kmap_obj mapping; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; }; struct mga_crtc { @@ -148,6 +149,21 @@ struct mga_connector { struct mga_i2c_chan *i2c; }; +struct mga_cursor { + /* + We have to have 2 buffers for the cursor to avoid occasional + corruption while switching cursor icons. + If either of these is NULL, then don't do hardware cursors, and + fall back to software. + */ + struct mgag200_bo *pixels_1; + struct mgag200_bo *pixels_2; + u64 pixels_1_gpu_addr, pixels_2_gpu_addr; + /* The currently displayed icon, this points to one of pixels_1, or pixels_2 */ + struct mgag200_bo *pixels_current; + /* The previously displayed icon */ + struct mgag200_bo *pixels_prev; +}; struct mga_mc { resource_size_t vram_size; @@ -180,6 +196,7 @@ struct mga_device { struct mga_mode_info mode_info; struct mga_fbdev *mfbdev; + struct mga_cursor cursor; bool suspended; int num_crtc; @@ -197,7 +214,8 @@ struct mga_device { struct ttm_bo_device bdev; } ttm; - u32 reg_1e24; /* SE model number */ + /* SE model number stored in reg 0x1e24 */ + u32 unique_rev_id; }; @@ -216,7 +234,7 @@ mgag200_bo(struct ttm_buffer_object *bo) { return container_of(bo, struct mgag200_bo, bo); } - /* mga_crtc.c */ + /* mgag200_crtc.c */ void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, @@ -226,7 +244,7 @@ void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, int mgag200_modeset_init(struct mga_device *mdev); void mgag200_modeset_fini(struct mga_device *mdev); - /* mga_fbdev.c */ + /* mgag200_fb.c */ int mgag200_fbdev_init(struct mga_device *mdev); void mgag200_fbdev_fini(struct mga_device *mdev); @@ -242,28 +260,40 @@ int mgag200_driver_unload(struct drm_device *dev); int mgag200_gem_create(struct drm_device *dev, u32 size, bool iskernel, struct drm_gem_object **obj); -int mgag200_gem_init_object(struct drm_gem_object *obj); int mgag200_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); -int mgag200_dumb_destroy(struct drm_file *file, - struct drm_device *dev, - uint32_t handle); void mgag200_gem_free_object(struct drm_gem_object *obj); int mgag200_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); - /* mga_i2c.c */ + /* mgag200_i2c.c */ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev); void mgag200_i2c_destroy(struct mga_i2c_chan *i2c); #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) void mgag200_ttm_placement(struct mgag200_bo *bo, int domain); -int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait); -void mgag200_bo_unreserve(struct mgag200_bo *bo); +static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) +{ + int ret; + + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); + if (ret) { + if (ret != -ERESTARTSYS && ret != -EBUSY) + DRM_ERROR("reserve failed %p\n", bo); + return ret; + } + return 0; +} + +static inline void mgag200_bo_unreserve(struct mgag200_bo *bo) +{ + ttm_bo_unreserve(&bo->bo); +} + int mgag200_bo_create(struct drm_device *dev, int size, int align, uint32_t flags, struct mgag200_bo **pastbo); int mgag200_mm_init(struct mga_device *mdev); @@ -272,4 +302,9 @@ int mgag200_mmap(struct file *filp, struct vm_area_struct *vma); int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr); int mgag200_bo_unpin(struct mgag200_bo *bo); int mgag200_bo_push_sysram(struct mgag200_bo *bo); + /* mgag200_cursor.c */ +int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t handle, uint32_t width, uint32_t height); +int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); + #endif /* __MGAG200_DRV_H__ */ diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 2f486481d79..13b7dd83faa 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <drm/drmP.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> #include <linux/fb.h> @@ -26,18 +27,55 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, struct mgag200_bo *bo; int src_offset, dst_offset; int bpp = (mfbdev->mfb.base.bits_per_pixel + 7)/8; - int ret; + int ret = -EBUSY; bool unmap = false; + bool store_for_later = false; + int x2, y2; + unsigned long flags; obj = mfbdev->mfb.obj; bo = gem_to_mga_bo(obj); - ret = mgag200_bo_reserve(bo, true); + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ + if (drm_can_sleep()) + ret = mgag200_bo_reserve(bo, true); if (ret) { - DRM_ERROR("failed to reserve fb bo\n"); + if (ret != -EBUSY) + return; + + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&mfbdev->dirty_lock, flags); + + if (mfbdev->y1 < y) + y = mfbdev->y1; + if (mfbdev->y2 > y2) + y2 = mfbdev->y2; + if (mfbdev->x1 < x) + x = mfbdev->x1; + if (mfbdev->x2 > x2) + x2 = mfbdev->x2; + + if (store_for_later) { + mfbdev->x1 = x; + mfbdev->x2 = x2; + mfbdev->y1 = y; + mfbdev->y2 = y2; + spin_unlock_irqrestore(&mfbdev->dirty_lock, flags); return; } + mfbdev->x1 = mfbdev->y1 = INT_MAX; + mfbdev->x2 = mfbdev->y2 = 0; + spin_unlock_irqrestore(&mfbdev->dirty_lock, flags); + if (!bo->kmap.virtual) { ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) { @@ -47,10 +85,10 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, } unmap = true; } - for (i = y; i < y + height; i++) { + for (i = y; i <= y2; i++) { /* assume equal stride for now */ src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp); - memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, width * bpp); + memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp); } if (unmap) @@ -104,12 +142,9 @@ static int mgag200fb_create_object(struct mga_fbdev *afbdev, struct drm_gem_object **gobj_p) { struct drm_device *dev = afbdev->helper.dev; - u32 bpp, depth; u32 size; struct drm_gem_object *gobj; - int ret = 0; - drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); size = mode_cmd->pitches[0] * mode_cmd->height; ret = mgag200_gem_create(dev, size, true, &gobj); @@ -120,9 +155,10 @@ static int mgag200fb_create_object(struct mga_fbdev *afbdev, return ret; } -static int mgag200fb_create(struct mga_fbdev *mfbdev, +static int mgag200fb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { + struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper; struct drm_device *dev = mfbdev->helper.dev; struct drm_mode_fb_cmd2 mode_cmd; struct mga_device *mdev = dev->dev_private; @@ -209,23 +245,6 @@ out: return ret; } -static int mga_fb_find_or_create_single(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size - *sizes) -{ - struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper; - int new_fb = 0; - int ret; - - if (!helper->fb) { - ret = mgag200fb_create(mfbdev, sizes); - if (ret) - return ret; - new_fb = 1; - } - return new_fb; -} - static int mga_fbdev_destroy(struct drm_device *dev, struct mga_fbdev *mfbdev) { @@ -247,6 +266,7 @@ static int mga_fbdev_destroy(struct drm_device *dev, } drm_fb_helper_fini(&mfbdev->helper); vfree(mfbdev->sysram); + drm_framebuffer_unregister_private(&mfb->base); drm_framebuffer_cleanup(&mfb->base); return 0; @@ -255,29 +275,38 @@ static int mga_fbdev_destroy(struct drm_device *dev, static struct drm_fb_helper_funcs mga_fb_helper_funcs = { .gamma_set = mga_crtc_fb_gamma_set, .gamma_get = mga_crtc_fb_gamma_get, - .fb_probe = mga_fb_find_or_create_single, + .fb_probe = mgag200fb_create, }; int mgag200_fbdev_init(struct mga_device *mdev) { struct mga_fbdev *mfbdev; int ret; + int bpp_sel = 32; + + /* prefer 16bpp on low end gpus with limited VRAM */ + if (IS_G200_SE(mdev) && mdev->mc.vram_size < (2048*1024)) + bpp_sel = 16; - mfbdev = kzalloc(sizeof(struct mga_fbdev), GFP_KERNEL); + mfbdev = devm_kzalloc(mdev->dev->dev, sizeof(struct mga_fbdev), GFP_KERNEL); if (!mfbdev) return -ENOMEM; mdev->mfbdev = mfbdev; mfbdev->helper.funcs = &mga_fb_helper_funcs; + spin_lock_init(&mfbdev->dirty_lock); ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper, mdev->num_crtc, MGAG200FB_CONN_LIMIT); - if (ret) { - kfree(mfbdev); + if (ret) return ret; - } + drm_fb_helper_single_add_all_connectors(&mfbdev->helper); - drm_fb_helper_initial_config(&mfbdev->helper, 32); + + /* disable all the possible outputs/crtcs before entering KMS mode */ + drm_helper_disable_unused_functions(mdev->dev); + + drm_fb_helper_initial_config(&mfbdev->helper, bpp_sel); return 0; } @@ -288,6 +317,4 @@ void mgag200_fbdev_fini(struct mga_device *mdev) return; mga_fbdev_destroy(mdev->dev, mdev->mfbdev); - kfree(mdev->mfbdev); - mdev->mfbdev = NULL; } diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c index 5a88ec51b51..d3dcf54e623 100644 --- a/drivers/gpu/drm/mgag200/mgag200_i2c.c +++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c @@ -92,6 +92,7 @@ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev) int ret; int data, clock; + WREG_DAC(MGA1064_GEN_IO_CTL2, 1); WREG_DAC(MGA1064_GEN_IO_DATA, 0xff); WREG_DAC(MGA1064_GEN_IO_CTL, 0); diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index 70dd3c5529d..f6b283b8375 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -23,16 +23,8 @@ static void mga_user_framebuffer_destroy(struct drm_framebuffer *fb) kfree(fb); } -static int mga_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle) -{ - return 0; -} - static const struct drm_framebuffer_funcs mga_fb_funcs = { .destroy = mga_user_framebuffer_destroy, - .create_handle = mga_user_framebuffer_create_handle, }; int mgag200_framebuffer_init(struct drm_device *dev, @@ -40,13 +32,15 @@ int mgag200_framebuffer_init(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj) { - int ret = drm_framebuffer_init(dev, &gfb->base, &mga_fb_funcs); + int ret; + + drm_helper_mode_fill_fb_struct(&gfb->base, mode_cmd); + gfb->obj = obj; + ret = drm_framebuffer_init(dev, &gfb->base, &mga_fb_funcs); if (ret) { DRM_ERROR("drm_framebuffer_init failed: %d\n", ret); return ret; } - drm_helper_mode_fill_fb_struct(&gfb->base, mode_cmd); - gfb->obj = obj; return 0; } @@ -82,15 +76,6 @@ static const struct drm_mode_config_funcs mga_mode_funcs = { .fb_create = mgag200_user_framebuffer_create, }; -/* Unmap the framebuffer from the core and release the memory */ -static void mga_vram_fini(struct mga_device *mdev) -{ - pci_iounmap(mdev->dev->pdev, mdev->rmmio); - mdev->rmmio = NULL; - if (mdev->mc.vram_base) - release_mem_region(mdev->mc.vram_base, mdev->mc.vram_window); -} - static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem) { int offset; @@ -146,7 +131,7 @@ static int mga_vram_init(struct mga_device *mdev) remove_conflicting_framebuffers(aper, "mgafb", true); kfree(aper); - if (!request_mem_region(mdev->mc.vram_base, mdev->mc.vram_window, + if (!devm_request_mem_region(mdev->dev->dev, mdev->mc.vram_base, mdev->mc.vram_window, "mgadrmfb_vram")) { DRM_ERROR("can't reserve VRAM\n"); return -ENXIO; @@ -179,25 +164,23 @@ static int mgag200_device_init(struct drm_device *dev, mdev->rmmio_base = pci_resource_start(mdev->dev->pdev, 1); mdev->rmmio_size = pci_resource_len(mdev->dev->pdev, 1); - if (!request_mem_region(mdev->rmmio_base, mdev->rmmio_size, + if (!devm_request_mem_region(mdev->dev->dev, mdev->rmmio_base, mdev->rmmio_size, "mgadrmfb_mmio")) { DRM_ERROR("can't reserve mmio registers\n"); return -ENOMEM; } - mdev->rmmio = pci_iomap(dev->pdev, 1, 0); + mdev->rmmio = pcim_iomap(dev->pdev, 1, 0); if (mdev->rmmio == NULL) return -ENOMEM; /* stash G200 SE model number for later use */ if (IS_G200_SE(mdev)) - mdev->reg_1e24 = RREG32(0x1e24); + mdev->unique_rev_id = RREG32(0x1e24); ret = mga_vram_init(mdev); - if (ret) { - release_mem_region(mdev->rmmio_base, mdev->rmmio_size); + if (ret) return ret; - } mdev->bpp_shifts[0] = 0; mdev->bpp_shifts[1] = 1; @@ -206,12 +189,6 @@ static int mgag200_device_init(struct drm_device *dev, return 0; } -void mgag200_device_fini(struct mga_device *mdev) -{ - release_mem_region(mdev->rmmio_base, mdev->rmmio_size); - mga_vram_fini(mdev); -} - /* * Functions here will be called by the core once it's bound the driver to * a PCI device @@ -223,7 +200,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) struct mga_device *mdev; int r; - mdev = kzalloc(sizeof(struct mga_device), GFP_KERNEL); + mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL); if (mdev == NULL) return -ENOMEM; dev->dev_private = (void *)mdev; @@ -232,7 +209,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) r = mgag200_device_init(dev, flags); if (r) { dev_err(&dev->pdev->dev, "Fatal error during GPU init: %d\n", r); - goto out; + return r; } r = mgag200_mm_init(mdev); if (r) @@ -240,14 +217,34 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) drm_mode_config_init(dev); dev->mode_config.funcs = (void *)&mga_mode_funcs; - dev->mode_config.min_width = 0; - dev->mode_config.min_height = 0; - dev->mode_config.preferred_depth = 24; + if (IS_G200_SE(mdev) && mdev->mc.vram_size < (2048*1024)) + dev->mode_config.preferred_depth = 16; + else + dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; r = mgag200_modeset_init(mdev); - if (r) + if (r) { dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r); + goto out; + } + + /* Make small buffers to store a hardware cursor (double buffered icon updates) */ + mgag200_bo_create(dev, roundup(48*64, PAGE_SIZE), 0, 0, + &mdev->cursor.pixels_1); + mgag200_bo_create(dev, roundup(48*64, PAGE_SIZE), 0, 0, + &mdev->cursor.pixels_2); + if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1) + goto cursor_nospace; + mdev->cursor.pixels_current = mdev->cursor.pixels_1; + mdev->cursor.pixels_prev = mdev->cursor.pixels_2; + goto cursor_done; + cursor_nospace: + mdev->cursor.pixels_1 = NULL; + mdev->cursor.pixels_2 = NULL; + dev_warn(&dev->pdev->dev, "Could not allocate space for cursors. Not doing hardware cursors.\n"); + cursor_done: + out: if (r) mgag200_driver_unload(dev); @@ -264,8 +261,6 @@ int mgag200_driver_unload(struct drm_device *dev) mgag200_fbdev_fini(mdev); drm_mode_config_cleanup(dev); mgag200_mm_fini(mdev); - mgag200_device_fini(mdev); - kfree(mdev); dev->dev_private = NULL; return 0; } @@ -318,20 +313,7 @@ int mgag200_dumb_create(struct drm_file *file, return 0; } -int mgag200_dumb_destroy(struct drm_file *file, - struct drm_device *dev, - uint32_t handle) -{ - return drm_gem_handle_delete(file, handle); -} - -int mgag200_gem_init_object(struct drm_gem_object *obj) -{ - BUG(); - return 0; -} - -void mgag200_bo_unref(struct mgag200_bo **bo) +static void mgag200_bo_unref(struct mgag200_bo **bo) { struct ttm_buffer_object *tbo; @@ -340,24 +322,20 @@ void mgag200_bo_unref(struct mgag200_bo **bo) tbo = &((*bo)->bo); ttm_bo_unref(&tbo); - if (tbo == NULL) - *bo = NULL; - + *bo = NULL; } void mgag200_gem_free_object(struct drm_gem_object *obj) { struct mgag200_bo *mgag200_bo = gem_to_mga_bo(obj); - if (!mgag200_bo) - return; mgag200_bo_unref(&mgag200_bo); } static inline u64 mgag200_bo_mmap_offset(struct mgag200_bo *bo) { - return bo->bo.addr_space_offset; + return drm_vma_node_offset_addr(&bo->bo.vma_node); } int diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index d3d99a28dde..a034ed40825 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -29,6 +29,7 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) struct mga_crtc *mga_crtc = to_mga_crtc(crtc); struct drm_device *dev = crtc->dev; struct mga_device *mdev = dev->dev_private; + struct drm_framebuffer *fb = crtc->primary->fb; int i; if (!crtc->enabled) @@ -36,6 +37,28 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) WREG8(DAC_INDEX + MGA1064_INDEX, 0); + if (fb && fb->bits_per_pixel == 16) { + int inc = (fb->depth == 15) ? 8 : 4; + u8 r, b; + for (i = 0; i < MGAG200_LUT_SIZE; i += inc) { + if (fb->depth == 16) { + if (i > (MGAG200_LUT_SIZE >> 1)) { + r = b = 0; + } else { + r = mga_crtc->lut_r[i << 1]; + b = mga_crtc->lut_b[i << 1]; + } + } else { + r = mga_crtc->lut_r[i]; + b = mga_crtc->lut_b[i]; + } + /* VGA registers */ + WREG8(DAC_INDEX + MGA1064_COL_PAL, r); + WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_g[i]); + WREG8(DAC_INDEX + MGA1064_COL_PAL, b); + } + return; + } for (i = 0; i < MGAG200_LUT_SIZE; i++) { /* VGA registers */ WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_r[i]); @@ -46,29 +69,26 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) static inline void mga_wait_vsync(struct mga_device *mdev) { - unsigned int count = 0; + unsigned long timeout = jiffies + HZ/10; unsigned int status = 0; do { status = RREG32(MGAREG_Status); - count++; - } while ((status & 0x08) && (count < 250000)); - count = 0; + } while ((status & 0x08) && time_before(jiffies, timeout)); + timeout = jiffies + HZ/10; status = 0; do { status = RREG32(MGAREG_Status); - count++; - } while (!(status & 0x08) && (count < 250000)); + } while (!(status & 0x08) && time_before(jiffies, timeout)); } static inline void mga_wait_busy(struct mga_device *mdev) { - unsigned int count = 0; + unsigned long timeout = jiffies + HZ; unsigned int status = 0; do { status = RREG8(MGAREG_Status + 2); - count++; - } while ((status & 0x01) && (count < 500000)); + } while ((status & 0x01) && time_before(jiffies, timeout)); } /* @@ -189,12 +209,12 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_REMHEADCTL_CLKDIS; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); /* select PLL Set C */ tmp = RREG8(MGAREG_MEM_MISC_READ); @@ -204,7 +224,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN | 0x80; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -212,7 +232,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_VREF_CTL); tmp = RREG8(DAC_DATA); tmp &= ~0x04; - WREG_DAC(MGA1064_VREF_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(50); @@ -236,13 +256,13 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_REMHEADCTL_CLKSL_MSK; tmp |= MGA1064_REMHEADCTL_CLKSL_PLL; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); /* reset dotclock rate bit */ WREG8(MGAREG_SEQ_INDEX, 1); @@ -253,7 +273,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); vcount = RREG8(MGAREG_VCOUNT); @@ -318,7 +338,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= 0x3 << 2; @@ -326,12 +346,12 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT); tmp = RREG8(DAC_DATA); - WREG_DAC(MGA1064_PIX_PLL_STAT, tmp & ~0x40); + WREG8(DAC_DATA, tmp & ~0x40); WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG_DAC(MGA1064_EV_PIX_PLLC_M, m); WREG_DAC(MGA1064_EV_PIX_PLLC_N, n); @@ -342,7 +362,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -350,11 +370,11 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT); tmp = RREG8(DAC_DATA); - WREG_DAC(MGA1064_PIX_PLL_STAT, tmp | 0x40); + WREG8(DAC_DATA, tmp | 0x40); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= (0x3 << 2); @@ -363,7 +383,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); return 0; } @@ -382,19 +402,19 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) m = n = p = 0; vcomax = 800000; vcomin = 400000; - pllreffreq = 3333; + pllreffreq = 33333; delta = 0xffffffff; permitteddelta = clock * 5 / 1000; - for (testp = 16; testp > 0; testp--) { + for (testp = 16; testp > 0; testp >>= 1) { if (clock * testp > vcomax) continue; if (clock * testp < vcomin) continue; for (testm = 1; testm < 33; testm++) { - for (testn = 1; testn < 257; testn++) { + for (testn = 17; testn < 257; testn++) { computed = (pllreffreq * testn) / (testm * testp); if (computed > clock) @@ -404,11 +424,11 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) if (tmpdelta < delta) { delta = tmpdelta; n = testn - 1; - m = (testm - 1) | ((n >> 1) & 0x80); + m = (testm - 1); p = testp - 1; } if ((clock * testp) >= 600000) - p |= 80; + p |= 0x80; } } } @@ -416,7 +436,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= 0x3 << 2; @@ -425,7 +445,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -439,13 +459,13 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); vcount = RREG8(MGAREG_VCOUNT); @@ -515,12 +535,12 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_REMHEADCTL_CLKDIS; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= (0x3<<2) | 0xc0; @@ -530,7 +550,7 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -657,12 +677,26 @@ static void mga_g200wb_commit(struct drm_crtc *crtc) WREG_DAC(MGA1064_GEN_IO_DATA, tmp); } - -void mga_set_start_address(struct drm_crtc *crtc, unsigned offset) +/* + This is how the framebuffer base address is stored in g200 cards: + * Assume @offset is the gpu_addr variable of the framebuffer object + * Then addr is the number of _pixels_ (not bytes) from the start of + VRAM to the first pixel we want to display. (divided by 2 for 32bit + framebuffers) + * addr is stored in the CRTCEXT0, CRTCC and CRTCD registers + addr<20> -> CRTCEXT0<6> + addr<19-16> -> CRTCEXT0<3-0> + addr<15-8> -> CRTCC<7-0> + addr<7-0> -> CRTCD<7-0> + CRTCEXT0 has to be programmed last to trigger an update and make the + new addr variable take effect. + */ +static void mga_set_start_address(struct drm_crtc *crtc, unsigned offset) { struct mga_device *mdev = crtc->dev->dev_private; u32 addr; int count; + u8 crtcext0; while (RREG8(0x1fda) & 0x08); while (!(RREG8(0x1fda) & 0x08)); @@ -670,10 +704,17 @@ void mga_set_start_address(struct drm_crtc *crtc, unsigned offset) count = RREG8(MGAREG_VCOUNT) + 2; while (RREG8(MGAREG_VCOUNT) < count); - addr = offset >> 2; + WREG8(MGAREG_CRTCEXT_INDEX, 0); + crtcext0 = RREG8(MGAREG_CRTCEXT_DATA); + crtcext0 &= 0xB0; + addr = offset / 8; + /* Can't store addresses any higher than that... + but we also don't have more than 16MB of memory, so it should be fine. */ + WARN_ON(addr > 0x1fffff); + crtcext0 |= (!!(addr & (1<<20)))<<6; WREG_CRT(0x0d, (u8)(addr & 0xff)); WREG_CRT(0x0c, (u8)(addr >> 8) & 0xff); - WREG_CRT(0xaf, (u8)(addr >> 16) & 0xf); + WREG_ECRT(0x0, ((u8)(addr >> 16) & 0xf) | crtcext0); } @@ -701,7 +742,7 @@ static int mga_crtc_do_set_base(struct drm_crtc *crtc, mgag200_bo_unreserve(bo); } - mga_fb = to_mga_framebuffer(crtc->fb); + mga_fb = to_mga_framebuffer(crtc->primary->fb); obj = mga_fb->obj; bo = gem_to_mga_bo(obj); @@ -724,8 +765,6 @@ static int mga_crtc_do_set_base(struct drm_crtc *crtc, } mgag200_bo_unreserve(bo); - DRM_INFO("mga base %llx\n", gpu_addr); - mga_set_start_address(crtc, (u32)gpu_addr); return 0; @@ -751,8 +790,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, int i; unsigned char misc = 0; unsigned char ext_vga[6]; - unsigned char ext_vga_index24; - unsigned char dac_index90 = 0; u8 bppshift; static unsigned char dacvalue[] = { @@ -768,7 +805,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, /* 0x48: */ 0, 0, 0, 0, 0, 0, 0, 0 }; - bppshift = mdev->bpp_shifts[(crtc->fb->bits_per_pixel >> 3) - 1]; + bppshift = mdev->bpp_shifts[(crtc->primary->fb->bits_per_pixel >> 3) - 1]; switch (mdev->type) { case G200_SE_A: @@ -803,16 +840,15 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, option2 = 0x0000b000; break; case G200_ER: - dac_index90 = 0; break; } - switch (crtc->fb->bits_per_pixel) { + switch (crtc->primary->fb->bits_per_pixel) { case 8: dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_8bits; break; case 16: - if (crtc->fb->depth == 15) + if (crtc->primary->fb->depth == 15) dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_15bits; else dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_16bits; @@ -832,11 +868,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, for (i = 0; i < sizeof(dacvalue); i++) { - if ((i <= 0x03) || - (i == 0x07) || - (i == 0x0b) || - (i == 0x0f) || - ((i >= 0x13) && (i <= 0x17)) || + if ((i <= 0x17) || (i == 0x1b) || (i == 0x1c) || ((i >= 0x1f) && (i <= 0x29)) || @@ -852,10 +884,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, WREG_DAC(i, dacvalue[i]); } - if (mdev->type == G200_ER) { - WREG_DAC(0x90, dac_index90); - } - + if (mdev->type == G200_ER) + WREG_DAC(0x90, 0); if (option) pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option); @@ -866,9 +896,9 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, WREG_SEQ(3, 0); WREG_SEQ(4, 0xe); - pitch = crtc->fb->pitches[0] / (crtc->fb->bits_per_pixel / 8); - if (crtc->fb->bits_per_pixel == 24) - pitch = pitch >> (4 - bppshift); + pitch = crtc->primary->fb->pitches[0] / (crtc->primary->fb->bits_per_pixel / 8); + if (crtc->primary->fb->bits_per_pixel == 24) + pitch = (pitch * 3) >> (4 - bppshift); else pitch = pitch >> (4 - bppshift); @@ -944,7 +974,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, ((vdisplay & 0xc00) >> 7) | ((vsyncstart & 0xc00) >> 5) | ((vdisplay & 0x400) >> 3); - if (crtc->fb->bits_per_pixel == 24) + if (crtc->primary->fb->bits_per_pixel == 24) ext_vga[3] = (((1 << bppshift) * 3) - 1) | 0x80; else ext_vga[3] = ((1 << bppshift) - 1) | 0x80; @@ -952,8 +982,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (mdev->type == G200_WB) ext_vga[1] |= 0x88; - ext_vga_index24 = 0x05; - /* Set pixel clocks */ misc = 0x2d; WREG8(MGA_MISC_OUT, misc); @@ -965,7 +993,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, } if (mdev->type == G200_ER) - WREG_ECRT(24, ext_vga_index24); + WREG_ECRT(0x24, 0x5); if (mdev->type == G200_EV) { WREG_ECRT(6, 0); @@ -1001,14 +1029,14 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (IS_G200_SE(mdev)) { - if (mdev->reg_1e24 >= 0x02) { + if (mdev->unique_rev_id >= 0x02) { u8 hi_pri_lvl; u32 bpp; u32 mb; - if (crtc->fb->bits_per_pixel > 16) + if (crtc->primary->fb->bits_per_pixel > 16) bpp = 32; - else if (crtc->fb->bits_per_pixel > 8) + else if (crtc->primary->fb->bits_per_pixel > 8) bpp = 16; else bpp = 8; @@ -1027,13 +1055,14 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, else hi_pri_lvl = 5; - WREG8(0x1fde, 0x06); - WREG8(0x1fdf, hi_pri_lvl); + WREG8(MGAREG_CRTCEXT_INDEX, 0x06); + WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl); } else { - if (mdev->reg_1e24 >= 0x01) - WREG8(0x1fdf, 0x03); + WREG8(MGAREG_CRTCEXT_INDEX, 0x06); + if (mdev->unique_rev_id >= 0x01) + WREG8(MGAREG_CRTCEXT_DATA, 0x03); else - WREG8(0x1fdf, 0x04); + WREG8(MGAREG_CRTCEXT_DATA, 0x04); } } return 0; @@ -1243,14 +1272,35 @@ static void mga_crtc_destroy(struct drm_crtc *crtc) kfree(mga_crtc); } +static void mga_crtc_disable(struct drm_crtc *crtc) +{ + int ret; + DRM_DEBUG_KMS("\n"); + mga_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->primary->fb) { + struct mga_framebuffer *mga_fb = to_mga_framebuffer(crtc->primary->fb); + struct drm_gem_object *obj = mga_fb->obj; + struct mgag200_bo *bo = gem_to_mga_bo(obj); + ret = mgag200_bo_reserve(bo, false); + if (ret) + return; + mgag200_bo_push_sysram(bo); + mgag200_bo_unreserve(bo); + } + crtc->primary->fb = NULL; +} + /* These provide the minimum set of functions required to handle a CRTC */ static const struct drm_crtc_funcs mga_crtc_funcs = { + .cursor_set = mga_crtc_cursor_set, + .cursor_move = mga_crtc_cursor_move, .gamma_set = mga_crtc_gamma_set, .set_config = drm_crtc_helper_set_config, .destroy = mga_crtc_destroy, }; static const struct drm_crtc_helper_funcs mga_helper_funcs = { + .disable = mga_crtc_disable, .dpms = mga_crtc_dpms, .mode_fixup = mga_crtc_mode_fixup, .mode_set = mga_crtc_mode_set, @@ -1261,9 +1311,8 @@ static const struct drm_crtc_helper_funcs mga_helper_funcs = { }; /* CRTC setup */ -static void mga_crtc_init(struct drm_device *dev) +static void mga_crtc_init(struct mga_device *mdev) { - struct mga_device *mdev = dev->dev_private; struct mga_crtc *mga_crtc; int i; @@ -1274,7 +1323,7 @@ static void mga_crtc_init(struct drm_device *dev) if (mga_crtc == NULL) return; - drm_crtc_init(dev, &mga_crtc->base, &mga_crtc_funcs); + drm_crtc_init(mdev->dev, &mga_crtc->base, &mga_crtc_funcs); drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE); mdev->mode_info.crtc = mga_crtc; @@ -1349,7 +1398,7 @@ static void mga_encoder_commit(struct drm_encoder *encoder) { } -void mga_encoder_destroy(struct drm_encoder *encoder) +static void mga_encoder_destroy(struct drm_encoder *encoder) { struct mga_encoder *mga_encoder = to_mga_encoder(encoder); drm_encoder_cleanup(encoder); @@ -1403,10 +1452,82 @@ static int mga_vga_get_modes(struct drm_connector *connector) return ret; } +static uint32_t mga_vga_calculate_mode_bandwidth(struct drm_display_mode *mode, + int bits_per_pixel) +{ + uint32_t total_area, divisor; + int64_t active_area, pixels_per_second, bandwidth; + uint64_t bytes_per_pixel = (bits_per_pixel + 7) / 8; + + divisor = 1024; + + if (!mode->htotal || !mode->vtotal || !mode->clock) + return 0; + + active_area = mode->hdisplay * mode->vdisplay; + total_area = mode->htotal * mode->vtotal; + + pixels_per_second = active_area * mode->clock * 1000; + do_div(pixels_per_second, total_area); + + bandwidth = pixels_per_second * bytes_per_pixel * 100; + do_div(bandwidth, divisor); + + return (uint32_t)(bandwidth); +} + +#define MODE_BANDWIDTH MODE_BAD + static int mga_vga_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - /* FIXME: Add bandwidth and g200se limitations */ + struct drm_device *dev = connector->dev; + struct mga_device *mdev = (struct mga_device*)dev->dev_private; + struct mga_fbdev *mfbdev = mdev->mfbdev; + struct drm_fb_helper *fb_helper = &mfbdev->helper; + struct drm_fb_helper_connector *fb_helper_conn = NULL; + int bpp = 32; + int i = 0; + + if (IS_G200_SE(mdev)) { + if (mdev->unique_rev_id == 0x01) { + if (mode->hdisplay > 1600) + return MODE_VIRTUAL_X; + if (mode->vdisplay > 1200) + return MODE_VIRTUAL_Y; + if (mga_vga_calculate_mode_bandwidth(mode, bpp) + > (24400 * 1024)) + return MODE_BANDWIDTH; + } else if (mdev->unique_rev_id >= 0x02) { + if (mode->hdisplay > 1920) + return MODE_VIRTUAL_X; + if (mode->vdisplay > 1200) + return MODE_VIRTUAL_Y; + if (mga_vga_calculate_mode_bandwidth(mode, bpp) + > (30100 * 1024)) + return MODE_BANDWIDTH; + } + } else if (mdev->type == G200_WB) { + if (mode->hdisplay > 1280) + return MODE_VIRTUAL_X; + if (mode->vdisplay > 1024) + return MODE_VIRTUAL_Y; + if (mga_vga_calculate_mode_bandwidth(mode, + bpp > (31877 * 1024))) + return MODE_BANDWIDTH; + } else if (mdev->type == G200_EV && + (mga_vga_calculate_mode_bandwidth(mode, bpp) + > (32700 * 1024))) { + return MODE_BANDWIDTH; + } else if (mdev->type == G200_EH && + (mga_vga_calculate_mode_bandwidth(mode, bpp) + > (37500 * 1024))) { + return MODE_BANDWIDTH; + } else if (mdev->type == G200_ER && + (mga_vga_calculate_mode_bandwidth(mode, + bpp) > (55000 * 1024))) { + return MODE_BANDWIDTH; + } if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 || mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 || @@ -1415,10 +1536,29 @@ static int mga_vga_mode_valid(struct drm_connector *connector, return MODE_BAD; } + /* Validate the mode input by the user */ + for (i = 0; i < fb_helper->connector_count; i++) { + if (fb_helper->connector_info[i]->connector == connector) { + /* Found the helper for this connector */ + fb_helper_conn = fb_helper->connector_info[i]; + if (fb_helper_conn->cmdline_mode.specified) { + if (fb_helper_conn->cmdline_mode.bpp_specified) { + bpp = fb_helper_conn->cmdline_mode.bpp; + } + } + } + } + + if ((mode->hdisplay * mode->vdisplay * (bpp/8)) > mdev->mc.vram_size) { + if (fb_helper_conn) + fb_helper_conn->cmdline_mode.specified = false; + return MODE_BAD; + } + return MODE_OK; } -struct drm_encoder *mga_connector_best_encoder(struct drm_connector +static struct drm_encoder *mga_connector_best_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; @@ -1481,6 +1621,8 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev) drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs); + drm_sysfs_connector_add(connector); + mga_connector->i2c = mgag200_i2c_create(dev); if (!mga_connector->i2c) DRM_ERROR("failed to add ddc bus\n"); @@ -1502,7 +1644,7 @@ int mgag200_modeset_init(struct mga_device *mdev) mdev->dev->mode_config.fb_base = mdev->mc.vram_base; - mga_crtc_init(mdev->dev); + mga_crtc_init(mdev); encoder = mga_encoder_init(mdev->dev); if (!encoder) { diff --git a/drivers/gpu/drm/mgag200/mgag200_reg.h b/drivers/gpu/drm/mgag200/mgag200_reg.h index fb24d8655fe..3ae442a64bd 100644 --- a/drivers/gpu/drm/mgag200/mgag200_reg.h +++ b/drivers/gpu/drm/mgag200/mgag200_reg.h @@ -235,7 +235,11 @@ #define MGAREG_CRTCEXT_INDEX 0x1fde #define MGAREG_CRTCEXT_DATA 0x1fdf - +/* Cursor X and Y position */ +#define MGA_CURPOSXL 0x3c0c +#define MGA_CURPOSXH 0x3c0d +#define MGA_CURPOSYL 0x3c0e +#define MGA_CURPOSYH 0x3c0f /* MGA bits for registers PCI_OPTION_REG */ #define MGA1064_OPT_SYS_CLK_PCI ( 0x00 << 0 ) diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 8fc9d920194..5a00e90696d 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -80,7 +80,7 @@ static int mgag200_ttm_global_init(struct mga_device *ast) return 0; } -void +static void mgag200_ttm_global_release(struct mga_device *ast) { if (ast->ttm.mem_global_ref.release == NULL) @@ -102,7 +102,7 @@ static void mgag200_bo_ttm_destroy(struct ttm_buffer_object *tbo) kfree(bo); } -bool mgag200_ttm_bo_is_mgag200_bo(struct ttm_buffer_object *bo) +static bool mgag200_ttm_bo_is_mgag200_bo(struct ttm_buffer_object *bo) { if (bo->destroy == &mgag200_bo_ttm_destroy) return true; @@ -148,7 +148,9 @@ mgag200_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) static int mgag200_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp) { - return 0; + struct mgag200_bo *mgabo = mgag200_bo(bo); + + return drm_vma_node_verify_access(&mgabo->gem.vma_node, filp); } static int mgag200_ttm_io_mem_reserve(struct ttm_bo_device *bdev, @@ -206,7 +208,7 @@ static struct ttm_backend_func mgag200_tt_backend_func = { }; -struct ttm_tt *mgag200_ttm_tt_create(struct ttm_bo_device *bdev, +static struct ttm_tt *mgag200_ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size, uint32_t page_flags, struct page *dummy_read_page) { @@ -257,7 +259,9 @@ int mgag200_mm_init(struct mga_device *mdev) ret = ttm_bo_device_init(&mdev->ttm.bdev, mdev->ttm.bo_global_ref.ref.object, - &mgag200_bo_driver, DRM_FILE_PAGE_OFFSET, + &mgag200_bo_driver, + dev->anon_inode->i_mapping, + DRM_FILE_PAGE_OFFSET, true); if (ret) { DRM_ERROR("Error initialising bo driver; %d\n", ret); @@ -270,26 +274,20 @@ int mgag200_mm_init(struct mga_device *mdev) return ret; } - mdev->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 0), - pci_resource_len(dev->pdev, 0), - DRM_MTRR_WC); + mdev->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); return 0; } void mgag200_mm_fini(struct mga_device *mdev) { - struct drm_device *dev = mdev->dev; ttm_bo_device_release(&mdev->ttm.bdev); mgag200_ttm_global_release(mdev); - if (mdev->fb_mtrr >= 0) { - drm_mtrr_del(mdev->fb_mtrr, - pci_resource_start(dev->pdev, 0), - pci_resource_len(dev->pdev, 0), DRM_MTRR_WC); - mdev->fb_mtrr = -1; - } + arch_phys_wc_del(mdev->fb_mtrr); + mdev->fb_mtrr = 0; } void mgag200_ttm_placement(struct mgag200_bo *bo, int domain) @@ -309,24 +307,6 @@ void mgag200_ttm_placement(struct mgag200_bo *bo, int domain) bo->placement.num_busy_placement = c; } -int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) -{ - int ret; - - ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); - if (ret) { - if (ret != -ERESTARTSYS) - DRM_ERROR("reserve failed %p\n", bo); - return ret; - } - return 0; -} - -void mgag200_bo_unreserve(struct mgag200_bo *bo) -{ - ttm_bo_unreserve(&bo->bo); -} - int mgag200_bo_create(struct drm_device *dev, int size, int align, uint32_t flags, struct mgag200_bo **pmgabo) { @@ -345,7 +325,6 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align, return ret; } - mgabo->gem.driver_private = NULL; mgabo->bo.bdev = &mdev->ttm.bdev; mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); @@ -377,6 +356,7 @@ int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr) bo->pin_count++; if (gpu_addr) *gpu_addr = mgag200_bo_gpu_offset(bo); + return 0; } mgag200_ttm_placement(bo, pl_flag); |
