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-rw-r--r--drivers/gpu/drm/ast/Makefile3
-rw-r--r--drivers/gpu/drm/ast/ast_cursor.c286
-rw-r--r--drivers/gpu/drm/ast/ast_drv.c2
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h47
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c388
5 files changed, 347 insertions, 379 deletions
diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
index 2265a8a624dd..438a2d05b115 100644
--- a/drivers/gpu/drm/ast/Makefile
+++ b/drivers/gpu/drm/ast/Makefile
@@ -3,7 +3,6 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-ast-y := ast_cursor.o ast_drv.o ast_main.o ast_mm.o ast_mode.o ast_post.o \
- ast_dp501.o
+ast-y := ast_drv.o ast_main.o ast_mm.o ast_mode.o ast_post.o ast_dp501.o
obj-$(CONFIG_DRM_AST) := ast.o
diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c
deleted file mode 100644
index fac1ee79c372..000000000000
--- a/drivers/gpu/drm/ast/ast_cursor.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright 2012 Red Hat Inc.
- * Parts based on xf86-video-ast
- * Copyright (c) 2005 ASPEED Technology Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- */
-/*
- * Authors: Dave Airlie <airlied@redhat.com>
- */
-
-#include <drm/drm_gem_vram_helper.h>
-#include <drm/drm_managed.h>
-
-#include "ast_drv.h"
-
-static void ast_cursor_fini(struct ast_private *ast)
-{
- 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);
- }
-}
-
-static void ast_cursor_release(struct drm_device *dev, void *ptr)
-{
- struct ast_private *ast = to_ast_private(dev);
-
- ast_cursor_fini(ast);
-}
-
-/*
- * Allocate cursor BOs and pin them at the end of VRAM.
- */
-int ast_cursor_init(struct ast_private *ast)
-{
- struct drm_device *dev = &ast->base;
- size_t size, i;
- struct drm_gem_vram_object *gbo;
- int ret;
-
- size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
-
- for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
- gbo = drm_gem_vram_create(dev, size, 0);
- 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;
- }
- ast->cursor.gbo[i] = gbo;
- }
-
- return drmm_add_action_or_reset(dev, ast_cursor_release, NULL);
-
-err_drm_gem_vram_put:
- while (i) {
- --i;
- gbo = ast->cursor.gbo[i];
- drm_gem_vram_unpin(gbo);
- drm_gem_vram_put(gbo);
- }
- return ret;
-}
-
-static void update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
-{
- union {
- u32 ul;
- u8 b[4];
- } srcdata32[2], data32;
- union {
- u16 us;
- u8 b[2];
- } data16;
- u32 csum = 0;
- s32 alpha_dst_delta, last_alpha_dst_delta;
- u8 __iomem *dstxor;
- const u8 *srcxor;
- int i, j;
- u32 per_pixel_copy, two_pixel_copy;
-
- alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
- last_alpha_dst_delta = alpha_dst_delta - (width << 1);
-
- srcxor = src;
- dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
- per_pixel_copy = width & 1;
- two_pixel_copy = width >> 1;
-
- for (j = 0; j < height; j++) {
- for (i = 0; i < two_pixel_copy; i++) {
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
- srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
- data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
- data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
- data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
- data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
-
- writel(data32.ul, dstxor);
- csum += data32.ul;
-
- dstxor += 4;
- srcxor += 8;
-
- }
-
- for (i = 0; i < per_pixel_copy; i++) {
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
- data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
- data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
- writew(data16.us, dstxor);
- csum += (u32)data16.us;
-
- dstxor += 2;
- srcxor += 4;
- }
- dstxor += last_alpha_dst_delta;
- }
-
- /* 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);
-}
-
-int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
-{
- struct drm_device *dev = &ast->base;
- struct drm_gem_vram_object *dst_gbo = ast->cursor.gbo[ast->cursor.next_index];
- struct drm_gem_vram_object *src_gbo = drm_gem_vram_of_gem(fb->obj[0]);
- struct dma_buf_map src_map, dst_map;
- void __iomem *dst;
- void *src;
- int ret;
-
- if (drm_WARN_ON_ONCE(dev, fb->width > AST_MAX_HWC_WIDTH) ||
- drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT))
- return -EINVAL;
-
- ret = drm_gem_vram_vmap(src_gbo, &src_map);
- if (ret)
- return ret;
- src = src_map.vaddr; /* TODO: Use mapping abstraction properly */
-
- ret = drm_gem_vram_vmap(dst_gbo, &dst_map);
- if (ret)
- goto err_drm_gem_vram_vunmap;
- dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
-
- /* do data transfer to cursor BO */
- update_cursor_image(dst, src, fb->width, fb->height);
-
- drm_gem_vram_vunmap(dst_gbo, &dst_map);
- drm_gem_vram_vunmap(src_gbo, &src_map);
-
- return 0;
-
-err_drm_gem_vram_vunmap:
- drm_gem_vram_vunmap(src_gbo, &src_map);
- return ret;
-}
-
-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);
-}
-
-void ast_cursor_page_flip(struct ast_private *ast)
-{
- struct drm_device *dev = &ast->base;
- struct drm_gem_vram_object *gbo;
- s64 off;
-
- gbo = ast->cursor.gbo[ast->cursor.next_index];
-
- off = drm_gem_vram_offset(gbo);
- if (drm_WARN_ON_ONCE(dev, off < 0))
- return; /* Bug: we didn't pin the cursor HW BO to VRAM. */
-
- ast_cursor_set_base(ast, off);
-
- ++ast->cursor.next_index;
- ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo);
-}
-
-static void ast_cursor_set_location(struct ast_private *ast, u16 x, u16 y,
- u8 x_offset, u8 y_offset)
-{
- u8 x0 = (x & 0x00ff);
- u8 x1 = (x & 0x0f00) >> 8;
- u8 y0 = (y & 0x00ff);
- u8 y1 = (y & 0x0700) >> 8;
-
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
-}
-
-void ast_cursor_show(struct ast_private *ast, int x, int y,
- unsigned int offset_x, unsigned int offset_y)
-{
- struct drm_device *dev = &ast->base;
- struct drm_gem_vram_object *gbo = ast->cursor.gbo[ast->cursor.next_index];
- struct dma_buf_map map;
- u8 x_offset, y_offset;
- u8 __iomem *dst;
- u8 __iomem *sig;
- u8 jreg;
- int ret;
-
- ret = drm_gem_vram_vmap(gbo, &map);
- if (drm_WARN_ONCE(dev, ret, "drm_gem_vram_vmap() failed, ret=%d\n", ret))
- return;
- dst = map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
-
- sig = dst + AST_HWC_SIZE;
- writel(x, sig + AST_HWC_SIGNATURE_X);
- writel(y, sig + AST_HWC_SIGNATURE_Y);
-
- drm_gem_vram_vunmap(gbo, &map);
-
- if (x < 0) {
- x_offset = (-x) + offset_x;
- x = 0;
- } else {
- x_offset = offset_x;
- }
- if (y < 0) {
- y_offset = (-y) + offset_y;
- y = 0;
- } else {
- y_offset = offset_y;
- }
-
- ast_cursor_set_location(ast, x, y, x_offset, y_offset);
-
- /* dummy write to fire HWC */
- jreg = 0x02 |
- 0x01; /* enable ARGB4444 cursor */
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
-}
-
-void ast_cursor_hide(struct ast_private *ast)
-{
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00);
-}
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index ea8164e7a6dc..01837bea18c2 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -30,6 +30,7 @@
#include <linux/module.h>
#include <linux/pci.h>
+#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
@@ -138,6 +139,7 @@ static void ast_pci_remove(struct pci_dev *pdev)
struct drm_device *dev = pci_get_drvdata(pdev);
drm_dev_unregister(dev);
+ drm_atomic_helper_shutdown(dev);
}
static int ast_drm_freeze(struct drm_device *dev)
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index f871fc36c2f7..e82ab8628770 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -81,6 +81,9 @@ enum ast_tx_chip {
#define AST_DRAM_4Gx16 7
#define AST_DRAM_8Gx16 8
+/*
+ * Cursor plane
+ */
#define AST_MAX_HWC_WIDTH 64
#define AST_MAX_HWC_HEIGHT 64
@@ -99,6 +102,28 @@ enum ast_tx_chip {
#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
+struct ast_cursor_plane {
+ struct drm_plane base;
+
+ struct {
+ struct drm_gem_vram_object *gbo;
+ struct dma_buf_map map;
+ u64 off;
+ } hwc[AST_DEFAULT_HWC_NUM];
+
+ unsigned int next_hwc_index;
+};
+
+static inline struct ast_cursor_plane *
+to_ast_cursor_plane(struct drm_plane *plane)
+{
+ return container_of(plane, struct ast_cursor_plane, base);
+}
+
+/*
+ * Connector with i2c channel
+ */
+
struct ast_i2c_chan {
struct i2c_adapter adapter;
struct drm_device *dev;
@@ -116,6 +141,10 @@ to_ast_connector(struct drm_connector *connector)
return container_of(connector, struct ast_connector, base);
}
+/*
+ * Device
+ */
+
struct ast_private {
struct drm_device base;
@@ -130,13 +159,8 @@ struct ast_private {
int fb_mtrr;
- struct {
- struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
- unsigned int next_index;
- } cursor;
-
struct drm_plane primary_plane;
- struct drm_plane cursor_plane;
+ struct ast_cursor_plane cursor_plane;
struct drm_crtc crtc;
struct drm_encoder encoder;
struct ast_connector connector;
@@ -179,6 +203,9 @@ struct ast_private *ast_device_create(const struct drm_driver *drv,
#define AST_IO_VGAIR1_VREFRESH BIT(3)
+#define AST_IO_VGACRCB_HWC_ENABLED BIT(1)
+#define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */
+
#define __ast_read(x) \
static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
u##x val = 0;\
@@ -314,12 +341,4 @@ bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
u8 ast_get_dp501_max_clk(struct drm_device *dev);
void ast_init_3rdtx(struct drm_device *dev);
-/* ast_cursor.c */
-int ast_cursor_init(struct ast_private *ast);
-int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
-void ast_cursor_page_flip(struct ast_private *ast);
-void ast_cursor_show(struct ast_private *ast, int x, int y,
- unsigned int offset_x, unsigned int offset_y);
-void ast_cursor_hide(struct ast_private *ast);
-
#endif
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 988b270fea5e..36d9575aa27b 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -37,6 +37,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_plane_helper.h>
@@ -535,48 +536,54 @@ static const uint32_t ast_primary_plane_formats[] = {
};
static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane,
- struct drm_plane_state *state)
+ struct drm_atomic_state *state)
{
+ struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+ plane);
struct drm_crtc_state *crtc_state;
struct ast_crtc_state *ast_crtc_state;
int ret;
- if (!state->crtc)
+ if (!new_plane_state->crtc)
return 0;
- crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+ crtc_state = drm_atomic_get_new_crtc_state(state,
+ new_plane_state->crtc);
- ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+ ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
if (ret)
return ret;
- if (!state->visible)
+ if (!new_plane_state->visible)
return 0;
ast_crtc_state = to_ast_crtc_state(crtc_state);
- ast_crtc_state->format = state->fb->format;
+ ast_crtc_state->format = new_plane_state->fb->format;
return 0;
}
static void
ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
+ struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+ plane);
struct drm_device *dev = plane->dev;
struct ast_private *ast = to_ast_private(dev);
- struct drm_plane_state *state = plane->state;
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+ plane);
struct drm_gem_vram_object *gbo;
s64 gpu_addr;
- struct drm_framebuffer *fb = state->fb;
+ struct drm_framebuffer *fb = new_state->fb;
struct drm_framebuffer *old_fb = old_state->fb;
if (!old_fb || (fb->format != old_fb->format)) {
- struct drm_crtc_state *crtc_state = state->crtc->state;
+ struct drm_crtc_state *crtc_state = new_state->crtc->state;
struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
@@ -597,7 +604,7 @@ ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
static void
ast_primary_plane_helper_atomic_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
struct ast_private *ast = to_ast_private(plane->dev);
@@ -621,55 +628,161 @@ static const struct drm_plane_funcs ast_primary_plane_funcs = {
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
+static int ast_primary_plane_init(struct ast_private *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct drm_plane *primary_plane = &ast->primary_plane;
+ int ret;
+
+ ret = drm_universal_plane_init(dev, primary_plane, 0x01,
+ &ast_primary_plane_funcs,
+ ast_primary_plane_formats,
+ ARRAY_SIZE(ast_primary_plane_formats),
+ NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
+ if (ret) {
+ drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+ return ret;
+ }
+ drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs);
+
+ return 0;
+}
+
/*
* Cursor plane
*/
-static const uint32_t ast_cursor_plane_formats[] = {
- DRM_FORMAT_ARGB8888,
-};
+static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
+{
+ union {
+ u32 ul;
+ u8 b[4];
+ } srcdata32[2], data32;
+ union {
+ u16 us;
+ u8 b[2];
+ } data16;
+ u32 csum = 0;
+ s32 alpha_dst_delta, last_alpha_dst_delta;
+ u8 __iomem *dstxor;
+ const u8 *srcxor;
+ int i, j;
+ u32 per_pixel_copy, two_pixel_copy;
+
+ alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
+ last_alpha_dst_delta = alpha_dst_delta - (width << 1);
+
+ srcxor = src;
+ dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
+ per_pixel_copy = width & 1;
+ two_pixel_copy = width >> 1;
+
+ for (j = 0; j < height; j++) {
+ for (i = 0; i < two_pixel_copy; i++) {
+ srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+ srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
+ data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+ data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+ data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
+ data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
+
+ writel(data32.ul, dstxor);
+ csum += data32.ul;
+
+ dstxor += 4;
+ srcxor += 8;
+
+ }
-static int
-ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane,
- struct drm_plane_state *new_state)
+ for (i = 0; i < per_pixel_copy; i++) {
+ srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+ data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+ data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+ writew(data16.us, dstxor);
+ csum += (u32)data16.us;
+
+ dstxor += 2;
+ srcxor += 4;
+ }
+ dstxor += last_alpha_dst_delta;
+ }
+
+ /* 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);
+}
+
+static void ast_set_cursor_base(struct ast_private *ast, u64 address)
{
- struct drm_framebuffer *fb = new_state->fb;
- struct drm_crtc *crtc = new_state->crtc;
- struct ast_private *ast;
- int ret;
+ u8 addr0 = (address >> 3) & 0xff;
+ u8 addr1 = (address >> 11) & 0xff;
+ u8 addr2 = (address >> 19) & 0xff;
- if (!crtc || !fb)
- return 0;
+ 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);
+}
- ast = to_ast_private(plane->dev);
+static void ast_set_cursor_location(struct ast_private *ast, u16 x, u16 y,
+ u8 x_offset, u8 y_offset)
+{
+ u8 x0 = (x & 0x00ff);
+ u8 x1 = (x & 0x0f00) >> 8;
+ u8 y0 = (y & 0x00ff);
+ u8 y1 = (y & 0x0700) >> 8;
+
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
+}
- ret = ast_cursor_blit(ast, fb);
- if (ret)
- return ret;
+static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled)
+{
+ static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP |
+ AST_IO_VGACRCB_HWC_ENABLED);
- return 0;
+ u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP;
+
+ if (enabled)
+ vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED;
+
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb);
}
+static const uint32_t ast_cursor_plane_formats[] = {
+ DRM_FORMAT_ARGB8888,
+};
+
static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
- struct drm_plane_state *state)
+ struct drm_atomic_state *state)
{
- struct drm_framebuffer *fb = state->fb;
+ struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+ plane);
+ struct drm_framebuffer *fb = new_plane_state->fb;
struct drm_crtc_state *crtc_state;
int ret;
- if (!state->crtc)
+ if (!new_plane_state->crtc)
return 0;
- crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+ crtc_state = drm_atomic_get_new_crtc_state(state,
+ new_plane_state->crtc);
- ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+ ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
if (ret)
return ret;
- if (!state->visible)
+ if (!new_plane_state->visible)
return 0;
if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT)
@@ -680,51 +793,192 @@ static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
static void
ast_cursor_plane_helper_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
- struct drm_plane_state *state = plane->state;
- struct drm_framebuffer *fb = state->fb;
+ struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane);
+ struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+ plane);
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+ plane);
+ struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(new_state);
+ struct drm_framebuffer *fb = new_state->fb;
struct ast_private *ast = to_ast_private(plane->dev);
+ struct dma_buf_map dst_map =
+ ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].map;
+ u64 dst_off =
+ ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].off;
+ struct dma_buf_map src_map = shadow_plane_state->map[0];
unsigned int offset_x, offset_y;
+ u16 x, y;
+ u8 x_offset, y_offset;
+ u8 __iomem *dst;
+ u8 __iomem *sig;
+ const u8 *src;
+
+ src = src_map.vaddr; /* TODO: Use mapping abstraction properly */
+ dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
+ sig = dst + AST_HWC_SIZE; /* TODO: Use mapping abstraction properly */
+
+ /*
+ * Do data transfer to HW cursor BO. If a new cursor image was installed,
+ * point the scanout engine to dst_gbo's offset and page-flip the HWC buffers.
+ */
+
+ ast_update_cursor_image(dst, src, fb->width, fb->height);
+
+ if (new_state->fb != old_state->fb) {
+ ast_set_cursor_base(ast, dst_off);
+
+ ++ast_cursor_plane->next_hwc_index;
+ ast_cursor_plane->next_hwc_index %= ARRAY_SIZE(ast_cursor_plane->hwc);
+ }
+
+ /*
+ * Update location in HWC signature and registers.
+ */
+
+ writel(new_state->crtc_x, sig + AST_HWC_SIGNATURE_X);
+ writel(new_state->crtc_y, sig + AST_HWC_SIGNATURE_Y);
offset_x = AST_MAX_HWC_WIDTH - fb->width;
- offset_y = AST_MAX_HWC_WIDTH - fb->height;
+ offset_y = AST_MAX_HWC_HEIGHT - fb->height;
- if (state->fb != old_state->fb) {
- /* A new cursor image was installed. */
- ast_cursor_page_flip(ast);
+ if (new_state->crtc_x < 0) {
+ x_offset = (-new_state->crtc_x) + offset_x;
+ x = 0;
+ } else {
+ x_offset = offset_x;
+ x = new_state->crtc_x;
+ }
+ if (new_state->crtc_y < 0) {
+ y_offset = (-new_state->crtc_y) + offset_y;
+ y = 0;
+ } else {
+ y_offset = offset_y;
+ y = new_state->crtc_y;
}
- ast_cursor_show(ast, state->crtc_x, state->crtc_y,
- offset_x, offset_y);
+ ast_set_cursor_location(ast, x, y, x_offset, y_offset);
+
+ /* Dummy write to enable HWC and make the HW pick-up the changes. */
+ ast_set_cursor_enabled(ast, true);
}
static void
ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
struct ast_private *ast = to_ast_private(plane->dev);
- ast_cursor_hide(ast);
+ ast_set_cursor_enabled(ast, false);
}
static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = {
- .prepare_fb = ast_cursor_plane_helper_prepare_fb,
- .cleanup_fb = NULL, /* not required for cursor plane */
+ DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
.atomic_check = ast_cursor_plane_helper_atomic_check,
.atomic_update = ast_cursor_plane_helper_atomic_update,
.atomic_disable = ast_cursor_plane_helper_atomic_disable,
};
+static void ast_cursor_plane_destroy(struct drm_plane *plane)
+{
+ struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane);
+ size_t i;
+ struct drm_gem_vram_object *gbo;
+ struct dma_buf_map map;
+
+ for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) {
+ gbo = ast_cursor_plane->hwc[i].gbo;
+ map = ast_cursor_plane->hwc[i].map;
+ drm_gem_vram_vunmap(gbo, &map);
+ drm_gem_vram_unpin(gbo);
+ drm_gem_vram_put(gbo);
+ }
+
+ drm_plane_cleanup(plane);
+}
+
static const struct drm_plane_funcs ast_cursor_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
- .destroy = drm_plane_cleanup,
- .reset = drm_atomic_helper_plane_reset,
- .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .destroy = ast_cursor_plane_destroy,
+ DRM_GEM_SHADOW_PLANE_FUNCS,
};
+static int ast_cursor_plane_init(struct ast_private *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct ast_cursor_plane *ast_cursor_plane = &ast->cursor_plane;
+ struct drm_plane *cursor_plane = &ast_cursor_plane->base;
+ size_t size, i;
+ struct drm_gem_vram_object *gbo;
+ struct dma_buf_map map;
+ int ret;
+ s64 off;
+
+ /*
+ * Allocate backing storage for cursors. The BOs are permanently
+ * pinned to the top end of the VRAM.
+ */
+
+ size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
+
+ for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) {
+ gbo = drm_gem_vram_create(dev, size, 0);
+ if (IS_ERR(gbo)) {
+ ret = PTR_ERR(gbo);
+ goto err_hwc;
+ }
+ ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
+ DRM_GEM_VRAM_PL_FLAG_TOPDOWN);
+ if (ret)
+ goto err_drm_gem_vram_put;
+ ret = drm_gem_vram_vmap(gbo, &map);
+ if (ret)
+ goto err_drm_gem_vram_unpin;
+ off = drm_gem_vram_offset(gbo);
+ if (off < 0) {
+ ret = off;
+ goto err_drm_gem_vram_vunmap;
+ }
+ ast_cursor_plane->hwc[i].gbo = gbo;
+ ast_cursor_plane->hwc[i].map = map;
+ ast_cursor_plane->hwc[i].off = off;
+ }
+
+ /*
+ * Create the cursor plane. The plane's destroy callback will release
+ * the backing storages' BO memory.
+ */
+
+ ret = drm_universal_plane_init(dev, cursor_plane, 0x01,
+ &ast_cursor_plane_funcs,
+ ast_cursor_plane_formats,
+ ARRAY_SIZE(ast_cursor_plane_formats),
+ NULL, DRM_PLANE_TYPE_CURSOR, NULL);
+ if (ret) {
+ drm_err(dev, "drm_universal_plane failed(): %d\n", ret);
+ goto err_hwc;
+ }
+ drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs);
+
+ return 0;
+
+err_hwc:
+ while (i) {
+ --i;
+ gbo = ast_cursor_plane->hwc[i].gbo;
+ map = ast_cursor_plane->hwc[i].map;
+err_drm_gem_vram_vunmap:
+ drm_gem_vram_vunmap(gbo, &map);
+err_drm_gem_vram_unpin:
+ drm_gem_vram_unpin(gbo);
+err_drm_gem_vram_put:
+ drm_gem_vram_put(gbo);
+ }
+ return ret;
+}
+
/*
* CRTC
*/
@@ -917,7 +1171,7 @@ static int ast_crtc_init(struct drm_device *dev)
int ret;
ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane,
- &ast->cursor_plane, &ast_crtc_funcs,
+ &ast->cursor_plane.base, &ast_crtc_funcs,
NULL);
if (ret)
return ret;
@@ -1109,10 +1363,6 @@ int ast_mode_config_init(struct ast_private *ast)
struct pci_dev *pdev = to_pci_dev(dev->dev);
int ret;
- ret = ast_cursor_init(ast);
- if (ret)
- return ret;
-
ret = drmm_mode_config_init(dev);
if (ret)
return ret;
@@ -1138,30 +1388,14 @@ int ast_mode_config_init(struct ast_private *ast)
dev->mode_config.helper_private = &ast_mode_config_helper_funcs;
- memset(&ast->primary_plane, 0, sizeof(ast->primary_plane));
- ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01,
- &ast_primary_plane_funcs,
- ast_primary_plane_formats,
- ARRAY_SIZE(ast_primary_plane_formats),
- NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
- if (ret) {
- drm_err(dev, "ast: drm_universal_plane_init() failed: %d\n", ret);
+
+ ret = ast_primary_plane_init(ast);
+ if (ret)
return ret;
- }
- drm_plane_helper_add(&ast->primary_plane,
- &ast_primary_plane_helper_funcs);
- ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01,
- &ast_cursor_plane_funcs,
- ast_cursor_plane_formats,
- ARRAY_SIZE(ast_cursor_plane_formats),
- NULL, DRM_PLANE_TYPE_CURSOR, NULL);
- if (ret) {
- drm_err(dev, "drm_universal_plane_failed(): %d\n", ret);
+ ret = ast_cursor_plane_init(ast);
+ if (ret)
return ret;
- }
- drm_plane_helper_add(&ast->cursor_plane,
- &ast_cursor_plane_helper_funcs);
ast_crtc_init(dev);
ast_encoder_init(dev);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-07 10:39:37 +0100