diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
-rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 266 |
1 files changed, 140 insertions, 126 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index d349c721501c..b13eaa2619ab 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -687,17 +687,6 @@ static void ast_encoder_destroy(struct drm_encoder *encoder) kfree(encoder); } - -static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector) -{ - int enc_id = connector->encoder_ids[0]; - /* pick the encoder ids */ - if (enc_id) - return drm_encoder_find(connector->dev, NULL, enc_id); - return NULL; -} - - static const struct drm_encoder_funcs ast_enc_funcs = { .destroy = ast_encoder_destroy, }; @@ -847,7 +836,6 @@ static void ast_connector_destroy(struct drm_connector *connector) static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { .mode_valid = ast_mode_valid, .get_modes = ast_get_modes, - .best_encoder = ast_best_single_encoder, }; static const struct drm_connector_funcs ast_connector_funcs = { @@ -895,50 +883,53 @@ static int ast_connector_init(struct drm_device *dev) static int ast_cursor_init(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; - int size; - int ret; - struct drm_gem_object *obj; + size_t size, i; struct drm_gem_vram_object *gbo; - s64 gpu_addr; - void *base; + int ret; - size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM; + size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); - ret = ast_gem_create(dev, size, true, &obj); - if (ret) - return ret; - gbo = drm_gem_vram_of_gem(obj); - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) - goto fail; - gpu_addr = drm_gem_vram_offset(gbo); - if (gpu_addr < 0) { - drm_gem_vram_unpin(gbo); - ret = (int)gpu_addr; - goto fail; - } + for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { + gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, + size, 0, false); + if (IS_ERR(gbo)) { + ret = PTR_ERR(gbo); + goto err_drm_gem_vram_put; + } + ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | + DRM_GEM_VRAM_PL_FLAG_TOPDOWN); + if (ret) { + drm_gem_vram_put(gbo); + goto err_drm_gem_vram_put; + } - /* kmap the object */ - base = drm_gem_vram_kmap(gbo, true, NULL); - if (IS_ERR(base)) { - ret = PTR_ERR(base); - goto fail; + ast->cursor.gbo[i] = gbo; } - ast->cursor_cache = obj; return 0; -fail: + +err_drm_gem_vram_put: + while (i) { + --i; + gbo = ast->cursor.gbo[i]; + drm_gem_vram_unpin(gbo); + drm_gem_vram_put(gbo); + ast->cursor.gbo[i] = NULL; + } return ret; } static void ast_cursor_fini(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; - struct drm_gem_vram_object *gbo = - drm_gem_vram_of_gem(ast->cursor_cache); - drm_gem_vram_kunmap(gbo); - drm_gem_vram_unpin(gbo); - drm_gem_object_put_unlocked(ast->cursor_cache); + size_t i; + struct drm_gem_vram_object *gbo; + + for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { + gbo = ast->cursor.gbo[i]; + drm_gem_vram_unpin(gbo); + drm_gem_vram_put(gbo); + } } int ast_mode_init(struct drm_device *dev) @@ -1076,23 +1067,6 @@ static void ast_i2c_destroy(struct ast_i2c_chan *i2c) kfree(i2c); } -static void ast_show_cursor(struct drm_crtc *crtc) -{ - struct ast_private *ast = crtc->dev->dev_private; - u8 jreg; - - jreg = 0x2; - /* enable ARGB cursor */ - jreg |= 1; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); -} - -static void ast_hide_cursor(struct drm_crtc *crtc) -{ - struct ast_private *ast = crtc->dev->dev_private; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); -} - static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) { union { @@ -1149,21 +1123,99 @@ static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) return csum; } +static int ast_cursor_update(void *dst, void *src, unsigned int width, + unsigned int height) +{ + u32 csum; + + /* do data transfer to cursor cache */ + csum = copy_cursor_image(src, dst, width, height); + + /* write checksum + signature */ + dst += AST_HWC_SIZE; + writel(csum, dst); + writel(width, dst + AST_HWC_SIGNATURE_SizeX); + writel(height, dst + AST_HWC_SIGNATURE_SizeY); + writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); + writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); + + return 0; +} + +static void ast_cursor_set_base(struct ast_private *ast, u64 address) +{ + u8 addr0 = (address >> 3) & 0xff; + u8 addr1 = (address >> 11) & 0xff; + u8 addr2 = (address >> 19) & 0xff; + + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); +} + +static int ast_show_cursor(struct drm_crtc *crtc, void *src, + unsigned int width, unsigned int height) +{ + struct ast_private *ast = crtc->dev->dev_private; + struct ast_crtc *ast_crtc = to_ast_crtc(crtc); + struct drm_gem_vram_object *gbo; + void *dst; + s64 off; + int ret; + u8 jreg; + + gbo = ast->cursor.gbo[ast->cursor.next_index]; + dst = drm_gem_vram_vmap(gbo); + if (IS_ERR(dst)) + return PTR_ERR(dst); + off = drm_gem_vram_offset(gbo); + if (off < 0) { + ret = (int)off; + goto err_drm_gem_vram_vunmap; + } + + ret = ast_cursor_update(dst, src, width, height); + if (ret) + goto err_drm_gem_vram_vunmap; + ast_cursor_set_base(ast, off); + + ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; + ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; + + jreg = 0x2; + /* enable ARGB cursor */ + jreg |= 1; + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); + + ++ast->cursor.next_index; + ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); + + drm_gem_vram_vunmap(gbo, dst); + + return 0; + +err_drm_gem_vram_vunmap: + drm_gem_vram_vunmap(gbo, dst); + return ret; +} + +static void ast_hide_cursor(struct drm_crtc *crtc) +{ + struct ast_private *ast = crtc->dev->dev_private; + + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); +} + static int ast_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height) { - struct ast_private *ast = crtc->dev->dev_private; - struct ast_crtc *ast_crtc = to_ast_crtc(crtc); struct drm_gem_object *obj; struct drm_gem_vram_object *gbo; - s64 dst_gpu; - u64 gpu_addr; - u32 csum; + u8 *src; int ret; - u8 *src, *dst; if (!handle) { ast_hide_cursor(crtc); @@ -1179,70 +1231,23 @@ static int ast_cursor_set(struct drm_crtc *crtc, return -ENOENT; } gbo = drm_gem_vram_of_gem(obj); - - ret = drm_gem_vram_pin(gbo, 0); - if (ret) - goto err_drm_gem_object_put_unlocked; - src = drm_gem_vram_kmap(gbo, true, NULL); + src = drm_gem_vram_vmap(gbo); if (IS_ERR(src)) { ret = PTR_ERR(src); - goto err_drm_gem_vram_unpin; - } - - dst = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), - false, NULL); - if (IS_ERR(dst)) { - ret = PTR_ERR(dst); - goto err_drm_gem_vram_kunmap; - } - dst_gpu = drm_gem_vram_offset(drm_gem_vram_of_gem(ast->cursor_cache)); - if (dst_gpu < 0) { - ret = (int)dst_gpu; - goto err_drm_gem_vram_kunmap; - } - - dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; - - /* do data transfer to cursor cache */ - csum = copy_cursor_image(src, dst, width, height); - - /* write checksum + signature */ - { - struct drm_gem_vram_object *dst_gbo = - drm_gem_vram_of_gem(ast->cursor_cache); - u8 *dst = drm_gem_vram_kmap(dst_gbo, false, NULL); - dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; - writel(csum, dst); - writel(width, dst + AST_HWC_SIGNATURE_SizeX); - writel(height, dst + AST_HWC_SIGNATURE_SizeY); - writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); - writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); - - /* set pattern offset */ - gpu_addr = (u64)dst_gpu; - gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; - gpu_addr >>= 3; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff); + goto err_drm_gem_object_put_unlocked; } - ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; - ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; - - ast->next_cursor = (ast->next_cursor + 1) % AST_DEFAULT_HWC_NUM; - ast_show_cursor(crtc); + ret = ast_show_cursor(crtc, src, width, height); + if (ret) + goto err_drm_gem_vram_vunmap; - drm_gem_vram_kunmap(gbo); - drm_gem_vram_unpin(gbo); + drm_gem_vram_vunmap(gbo, src); drm_gem_object_put_unlocked(obj); return 0; -err_drm_gem_vram_kunmap: - drm_gem_vram_kunmap(gbo); -err_drm_gem_vram_unpin: - drm_gem_vram_unpin(gbo); +err_drm_gem_vram_vunmap: + drm_gem_vram_vunmap(gbo, src); err_drm_gem_object_put_unlocked: drm_gem_object_put_unlocked(obj); return ret; @@ -1253,12 +1258,17 @@ static int ast_cursor_move(struct drm_crtc *crtc, { struct ast_crtc *ast_crtc = to_ast_crtc(crtc); struct ast_private *ast = crtc->dev->dev_private; + struct drm_gem_vram_object *gbo; int x_offset, y_offset; - u8 *sig; + u8 *dst, *sig; + u8 jreg; - sig = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), - false, NULL); - sig += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; + gbo = ast->cursor.gbo[ast->cursor.next_index]; + dst = drm_gem_vram_vmap(gbo); + if (IS_ERR(dst)) + return PTR_ERR(dst); + + sig = dst + AST_HWC_SIZE; writel(x, sig + AST_HWC_SIGNATURE_X); writel(y, sig + AST_HWC_SIGNATURE_Y); @@ -1281,7 +1291,11 @@ static int ast_cursor_move(struct drm_crtc *crtc, ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); /* dummy write to fire HWC */ - ast_show_cursor(crtc); + jreg = 0x02 | + 0x01; /* enable ARGB4444 cursor */ + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); + + drm_gem_vram_vunmap(gbo, dst); return 0; } |