diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 812 |
1 files changed, 497 insertions, 315 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index b13eaa2619ab..34608f0499eb 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -31,6 +31,9 @@ #include <linux/export.h> #include <linux/pci.h> +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_atomic_state_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fourcc.h> @@ -43,11 +46,14 @@ static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); static void ast_i2c_destroy(struct ast_i2c_chan *i2c); -static int ast_cursor_set(struct drm_crtc *crtc, - struct drm_file *file_priv, - uint32_t handle, - uint32_t width, - uint32_t height); +static int ast_cursor_move(struct drm_crtc *crtc, + int x, int y); + + +static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height); +static int ast_cursor_update(void *dst, void *src, unsigned int width, + unsigned int height); +static void ast_cursor_set_base(struct ast_private *ast, u64 address); static int ast_cursor_move(struct drm_crtc *crtc, int x, int y); @@ -65,9 +71,8 @@ static inline void ast_load_palette_index(struct ast_private *ast, ast_io_read8(ast, AST_IO_SEQ_PORT); } -static void ast_crtc_load_lut(struct drm_crtc *crtc) +static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) { - struct ast_private *ast = crtc->dev->dev_private; u16 *r, *g, *b; int i; @@ -82,36 +87,32 @@ static void ast_crtc_load_lut(struct drm_crtc *crtc) ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); } -static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode, +static bool ast_get_vbios_mode_info(const struct drm_format_info *format, + const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, struct ast_vbios_mode_info *vbios_mode) { - struct ast_private *ast = crtc->dev->dev_private; - const struct drm_framebuffer *fb = crtc->primary->fb; - u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; + u32 refresh_rate_index = 0, refresh_rate; const struct ast_vbios_enhtable *best = NULL; u32 hborder, vborder; bool check_sync; - switch (fb->format->cpp[0] * 8) { + switch (format->cpp[0] * 8) { case 8: vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; - color_index = VGAModeIndex - 1; break; case 16: vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; - color_index = HiCModeIndex; break; case 24: case 32: vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; - color_index = TrueCModeIndex; break; default: return false; } - switch (crtc->mode.crtc_hdisplay) { + switch (mode->crtc_hdisplay) { case 640: vbios_mode->enh_table = &res_640x480[refresh_rate_index]; break; @@ -122,7 +123,7 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; break; case 1280: - if (crtc->mode.crtc_vdisplay == 800) + if (mode->crtc_vdisplay == 800) vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; else vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; @@ -134,7 +135,7 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; break; case 1600: - if (crtc->mode.crtc_vdisplay == 900) + if (mode->crtc_vdisplay == 900) vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; else vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; @@ -143,7 +144,7 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; break; case 1920: - if (crtc->mode.crtc_vdisplay == 1080) + if (mode->crtc_vdisplay == 1080) vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; else vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; @@ -154,7 +155,8 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo refresh_rate = drm_mode_vrefresh(mode); check_sync = vbios_mode->enh_table->flags & WideScreenMode; - do { + + while (1) { const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; while (loop->refresh_rate != 0xff) { @@ -178,7 +180,8 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo if (best || !check_sync) break; check_sync = 0; - } while (1); + } + if (best) vbios_mode->enh_table = best; @@ -203,38 +206,67 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo vbios_mode->enh_table->vfp + vbios_mode->enh_table->vsync); - refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; - mode_id = vbios_mode->enh_table->mode_id; + return true; +} - if (ast->chip == AST1180) { - /* TODO 1180 */ - } else { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4)); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); - - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); - if (vbios_mode->enh_table->flags & NewModeInfo) { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, - fb->format->cpp[0] * 8); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); - - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); - } +static void ast_set_vbios_color_reg(struct ast_private *ast, + const struct drm_format_info *format, + const struct ast_vbios_mode_info *vbios_mode) +{ + u32 color_index; + + switch (format->cpp[0]) { + case 1: + color_index = VGAModeIndex - 1; + break; + case 2: + color_index = HiCModeIndex; + break; + case 3: + case 4: + color_index = TrueCModeIndex; + default: + return; } - return true; + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); + + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); + + if (vbios_mode->enh_table->flags & NewModeInfo) { + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); + } +} + +static void ast_set_vbios_mode_reg(struct ast_private *ast, + const struct drm_display_mode *adjusted_mode, + const struct ast_vbios_mode_info *vbios_mode) +{ + u32 refresh_rate_index, mode_id; + + refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; + mode_id = vbios_mode->enh_table->mode_id; + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); + + if (vbios_mode->enh_table->flags & NewModeInfo) { + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); + } } -static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, + +static void ast_set_std_reg(struct ast_private *ast, + struct drm_display_mode *mode, struct ast_vbios_mode_info *vbios_mode) { - struct ast_private *ast = crtc->dev->dev_private; const struct ast_vbios_stdtable *stdtable; u32 i; u8 jreg; @@ -244,18 +276,21 @@ static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode jreg = stdtable->misc; ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); - /* Set SEQ */ + /* Set SEQ; except Screen Disable field */ ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); - for (i = 0; i < 4; i++) { + ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); + for (i = 1; i < 4; i++) { jreg = stdtable->seq[i]; - if (!i) - jreg |= 0x20; ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); } - /* Set CRTC */ + /* Set CRTC; except base address and offset */ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); - for (i = 0; i < 25; i++) + for (i = 0; i < 12; i++) + ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); + for (i = 14; i < 19; i++) + ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); + for (i = 20; i < 25; i++) ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); /* set AR */ @@ -276,10 +311,10 @@ static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); } -static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, +static void ast_set_crtc_reg(struct ast_private *ast, + struct drm_display_mode *mode, struct ast_vbios_mode_info *vbios_mode) { - struct ast_private *ast = crtc->dev->dev_private; u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; u16 temp, precache = 0; @@ -385,11 +420,9 @@ static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mod ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); } -static void ast_set_offset_reg(struct drm_crtc *crtc) +static void ast_set_offset_reg(struct ast_private *ast, + struct drm_framebuffer *fb) { - struct ast_private *ast = crtc->dev->dev_private; - const struct drm_framebuffer *fb = crtc->primary->fb; - u16 offset; offset = fb->pitches[0] >> 3; @@ -397,10 +430,10 @@ static void ast_set_offset_reg(struct drm_crtc *crtc) ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); } -static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, +static void ast_set_dclk_reg(struct ast_private *ast, + struct drm_display_mode *mode, struct ast_vbios_mode_info *vbios_mode) { - struct ast_private *ast = dev->dev_private; const struct ast_vbios_dclk_info *clk_info; if (ast->chip == AST2500) @@ -415,14 +448,12 @@ static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mo ((clk_info->param3 & 0x3) << 4)); } -static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) +static void ast_set_color_reg(struct ast_private *ast, + const struct drm_format_info *format) { - struct ast_private *ast = crtc->dev->dev_private; - const struct drm_framebuffer *fb = crtc->primary->fb; u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; - switch (fb->format->cpp[0] * 8) { + switch (format->cpp[0] * 8) { case 8: jregA0 = 0x70; jregA3 = 0x01; @@ -444,7 +475,10 @@ static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); +} +static void ast_set_crtthd_reg(struct ast_private *ast) +{ /* Set Threshold */ if (ast->chip == AST2300 || ast->chip == AST2400 || ast->chip == AST2500) { @@ -462,10 +496,10 @@ static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode } } -static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) +static void ast_set_sync_reg(struct ast_private *ast, + struct drm_display_mode *mode, + struct ast_vbios_mode_info *vbios_mode) { - struct ast_private *ast = dev->dev_private; u8 jreg; jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); @@ -475,23 +509,9 @@ static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mo ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); } -static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) -{ - const struct drm_framebuffer *fb = crtc->primary->fb; - - switch (fb->format->cpp[0] * 8) { - case 8: - break; - default: - return false; - } - return true; -} - -static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) +static void ast_set_start_address_crt1(struct ast_private *ast, + unsigned offset) { - struct ast_private *ast = crtc->dev->dev_private; u32 addr; addr = offset >> 2; @@ -501,6 +521,247 @@ static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) } +/* + * Primary plane + */ + +static const uint32_t ast_primary_plane_formats[] = { + DRM_FORMAT_XRGB8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_C8, +}; + +static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_crtc_state *crtc_state; + struct ast_crtc_state *ast_crtc_state; + int ret; + + if (!state->crtc) + return 0; + + crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); + + ret = drm_atomic_helper_check_plane_state(state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true); + if (ret) + return ret; + + if (!state->visible) + return 0; + + ast_crtc_state = to_ast_crtc_state(crtc_state); + + ast_crtc_state->format = state->fb->format; + + return 0; +} + +void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct ast_private *ast = plane->dev->dev_private; + struct drm_plane_state *state = plane->state; + struct drm_gem_vram_object *gbo; + s64 gpu_addr; + + gbo = drm_gem_vram_of_gem(state->fb->obj[0]); + gpu_addr = drm_gem_vram_offset(gbo); + if (WARN_ON_ONCE(gpu_addr < 0)) + return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ + + ast_set_offset_reg(ast, state->fb); + ast_set_start_address_crt1(ast, (u32)gpu_addr); + + ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); +} + +static void +ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct ast_private *ast = plane->dev->dev_private; + + ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); +} + +static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { + .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, + .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, + .atomic_check = ast_primary_plane_helper_atomic_check, + .atomic_update = ast_primary_plane_helper_atomic_update, + .atomic_disable = ast_primary_plane_helper_atomic_disable, +}; + +static const struct drm_plane_funcs ast_primary_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, +}; + +/* + * Cursor plane + */ + +static const uint32_t ast_cursor_plane_formats[] = { + DRM_FORMAT_ARGB8888, +}; + +static int +ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct drm_framebuffer *fb = new_state->fb; + struct drm_crtc *crtc = new_state->crtc; + struct drm_gem_vram_object *gbo; + struct ast_private *ast; + int ret; + void *src, *dst; + + if (!crtc || !fb) + return 0; + + if (WARN_ON_ONCE(fb->width > AST_MAX_HWC_WIDTH) || + WARN_ON_ONCE(fb->height > AST_MAX_HWC_HEIGHT)) + return -EINVAL; /* BUG: didn't test in atomic_check() */ + + ast = crtc->dev->dev_private; + + gbo = drm_gem_vram_of_gem(fb->obj[0]); + src = drm_gem_vram_vmap(gbo); + if (IS_ERR(src)) { + ret = PTR_ERR(src); + goto err_drm_gem_vram_unpin; + } + + dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]); + if (IS_ERR(dst)) { + ret = PTR_ERR(dst); + goto err_drm_gem_vram_vunmap_src; + } + + ret = ast_cursor_update(dst, src, fb->width, fb->height); + if (ret) + goto err_drm_gem_vram_vunmap_dst; + + /* Always unmap buffers here. Destination buffers are + * perma-pinned while the driver is active. We're only + * changing ref-counters here. + */ + drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); + drm_gem_vram_vunmap(gbo, src); + + return 0; + +err_drm_gem_vram_vunmap_dst: + drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); +err_drm_gem_vram_vunmap_src: + drm_gem_vram_vunmap(gbo, src); +err_drm_gem_vram_unpin: + drm_gem_vram_unpin(gbo); + return ret; +} + +static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_framebuffer *fb = state->fb; + struct drm_crtc_state *crtc_state; + int ret; + + if (!state->crtc) + return 0; + + crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); + + ret = drm_atomic_helper_check_plane_state(state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + true, true); + if (ret) + return ret; + + if (!state->visible) + return 0; + + if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) + return -EINVAL; + + return 0; +} + +static void +ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct drm_plane_state *state = plane->state; + struct drm_crtc *crtc = state->crtc; + struct drm_framebuffer *fb = state->fb; + struct ast_private *ast = plane->dev->dev_private; + struct ast_crtc *ast_crtc = to_ast_crtc(crtc); + struct drm_gem_vram_object *gbo; + s64 off; + u8 jreg; + + ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width; + ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height; + + if (state->fb != old_state->fb) { + /* A new cursor image was installed. */ + gbo = ast->cursor.gbo[ast->cursor.next_index]; + off = drm_gem_vram_offset(gbo); + if (WARN_ON_ONCE(off < 0)) + return; /* Bug: we didn't pin cursor HW BO to VRAM. */ + ast_cursor_set_base(ast, off); + + ++ast->cursor.next_index; + ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); + } + + ast_cursor_move(crtc, state->crtc_x, state->crtc_y); + + jreg = 0x2; + /* enable ARGB cursor */ + jreg |= 1; + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); +} + +static void +ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct ast_private *ast = plane->dev->dev_private; + + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); +} + +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 */ + .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 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, +}; + +/* + * CRTC + */ + static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) { struct ast_private *ast = crtc->dev->dev_private; @@ -508,179 +769,196 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) if (ast->chip == AST1180) return; + /* TODO: Maybe control display signal generation with + * Sync Enable (bit CR17.7). + */ switch (mode) { case DRM_MODE_DPMS_ON: case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); if (ast->tx_chip_type == AST_TX_DP501) ast_set_dp501_video_output(crtc->dev, 1); - ast_crtc_load_lut(crtc); + ast_crtc_load_lut(ast, crtc); break; case DRM_MODE_DPMS_OFF: if (ast->tx_chip_type == AST_TX_DP501) ast_set_dp501_video_output(crtc->dev, 0); - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); break; } } -static int ast_crtc_do_set_base(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - int x, int y, int atomic) +static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) { - struct drm_gem_vram_object *gbo; - int ret; - s64 gpu_addr; + struct ast_private *ast = crtc->dev->dev_private; + struct ast_crtc_state *ast_state; + const struct drm_format_info *format; + bool succ; - if (!atomic && fb) { - gbo = drm_gem_vram_of_gem(fb->obj[0]); - drm_gem_vram_unpin(gbo); + if (ast->chip == AST1180) { + DRM_ERROR("AST 1180 modesetting not supported\n"); + return -EINVAL; } - gbo = drm_gem_vram_of_gem(crtc->primary->fb->obj[0]); + ast_state = to_ast_crtc_state(state); - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) - return ret; - gpu_addr = drm_gem_vram_offset(gbo); - if (gpu_addr < 0) { - ret = (int)gpu_addr; - goto err_drm_gem_vram_unpin; - } + format = ast_state->format; + if (!format) + return 0; - ast_set_offset_reg(crtc); - ast_set_start_address_crt1(crtc, (u32)gpu_addr); + succ = ast_get_vbios_mode_info(format, &state->mode, + &state->adjusted_mode, + &ast_state->vbios_mode_info); + if (!succ) + return -EINVAL; return 0; - -err_drm_gem_vram_unpin: - drm_gem_vram_unpin(gbo); - return ret; } -static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) +static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { - return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); + struct ast_private *ast = crtc->dev->dev_private; + + ast_open_key(ast); } -static int ast_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) +static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct drm_device *dev = crtc->dev; - struct ast_private *ast = crtc->dev->dev_private; - struct ast_vbios_mode_info vbios_mode; - bool ret; - if (ast->chip == AST1180) { - DRM_ERROR("AST 1180 modesetting not supported\n"); - return -EINVAL; - } + struct ast_private *ast = dev->dev_private; + struct ast_crtc_state *ast_state; + const struct drm_format_info *format; + struct ast_vbios_mode_info *vbios_mode_info; + struct drm_display_mode *adjusted_mode; - ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode); - if (ret == false) - return -EINVAL; - ast_open_key(ast); + crtc->state->no_vblank = true; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); + ast_state = to_ast_crtc_state(crtc->state); - ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); - ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); - ast_set_offset_reg(crtc); - ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); - ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode); - ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); - ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); + format = ast_state->format; + if (!format) + return; - ast_crtc_mode_set_base(crtc, x, y, old_fb); + vbios_mode_info = &ast_state->vbios_mode_info; - return 0; -} + ast_set_color_reg(ast, format); + ast_set_vbios_color_reg(ast, format, vbios_mode_info); -static void ast_crtc_disable(struct drm_crtc *crtc) -{ - DRM_DEBUG_KMS("\n"); - ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); - if (crtc->primary->fb) { - struct drm_framebuffer *fb = crtc->primary->fb; - struct drm_gem_vram_object *gbo = - drm_gem_vram_of_gem(fb->obj[0]); + if (!crtc->state->mode_changed) + return; - drm_gem_vram_unpin(gbo); - } - crtc->primary->fb = NULL; + adjusted_mode = &crtc->state->adjusted_mode; + + ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); + ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); + ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); + ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); + ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); + ast_set_crtthd_reg(ast); + ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); } -static void ast_crtc_prepare(struct drm_crtc *crtc) +static void +ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { - + ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); } -static void ast_crtc_commit(struct drm_crtc *crtc) +static void +ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { - struct ast_private *ast = crtc->dev->dev_private; - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); - ast_crtc_load_lut(crtc); + ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } - static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { - .dpms = ast_crtc_dpms, - .mode_set = ast_crtc_mode_set, - .mode_set_base = ast_crtc_mode_set_base, - .disable = ast_crtc_disable, - .prepare = ast_crtc_prepare, - .commit = ast_crtc_commit, - + .atomic_check = ast_crtc_helper_atomic_check, + .atomic_begin = ast_crtc_helper_atomic_begin, + .atomic_flush = ast_crtc_helper_atomic_flush, + .atomic_enable = ast_crtc_helper_atomic_enable, + .atomic_disable = ast_crtc_helper_atomic_disable, }; -static void ast_crtc_reset(struct drm_crtc *crtc) +static void ast_crtc_destroy(struct drm_crtc *crtc) { - + drm_crtc_cleanup(crtc); + kfree(crtc); } -static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t size, - struct drm_modeset_acquire_ctx *ctx) +static struct drm_crtc_state * +ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) { - ast_crtc_load_lut(crtc); + struct ast_crtc_state *new_ast_state, *ast_state; - return 0; -} + if (WARN_ON(!crtc->state)) + return NULL; + new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); + if (!new_ast_state) + return NULL; + __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); -static void ast_crtc_destroy(struct drm_crtc *crtc) + ast_state = to_ast_crtc_state(crtc->state); + + new_ast_state->format = ast_state->format; + memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, + sizeof(new_ast_state->vbios_mode_info)); + + return &new_ast_state->base; +} + +static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) { - drm_crtc_cleanup(crtc); - kfree(crtc); + struct ast_crtc_state *ast_state = to_ast_crtc_state(state); + + __drm_atomic_helper_crtc_destroy_state(&ast_state->base); + kfree(ast_state); } static const struct drm_crtc_funcs ast_crtc_funcs = { - .cursor_set = ast_cursor_set, - .cursor_move = ast_cursor_move, - .reset = ast_crtc_reset, + .reset = drm_atomic_helper_crtc_reset, .set_config = drm_crtc_helper_set_config, - .gamma_set = ast_crtc_gamma_set, + .gamma_set = drm_atomic_helper_legacy_gamma_set, .destroy = ast_crtc_destroy, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, + .atomic_destroy_state = ast_crtc_atomic_destroy_state, }; static int ast_crtc_init(struct drm_device *dev) { + struct ast_private *ast = dev->dev_private; struct ast_crtc *crtc; + int ret; crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); if (!crtc) return -ENOMEM; - drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); + ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane, + &ast->cursor_plane, &ast_crtc_funcs, + NULL); + if (ret) + goto err_kfree; + drm_mode_crtc_set_gamma_size(&crtc->base, 256); drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); return 0; + +err_kfree: + kfree(crtc); + return ret; } +/* + * Encoder + */ + static void ast_encoder_destroy(struct drm_encoder *encoder) { drm_encoder_cleanup(encoder); @@ -691,35 +969,6 @@ static const struct drm_encoder_funcs ast_enc_funcs = { .destroy = ast_encoder_destroy, }; -static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - -} - -static void ast_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ -} - -static void ast_encoder_prepare(struct drm_encoder *encoder) -{ - -} - -static void ast_encoder_commit(struct drm_encoder *encoder) -{ - -} - - -static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { - .dpms = ast_encoder_dpms, - .prepare = ast_encoder_prepare, - .commit = ast_encoder_commit, - .mode_set = ast_encoder_mode_set, -}; - static int ast_encoder_init(struct drm_device *dev) { struct ast_encoder *ast_encoder; @@ -730,12 +979,15 @@ static int ast_encoder_init(struct drm_device *dev) drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, DRM_MODE_ENCODER_DAC, NULL); - drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); ast_encoder->base.possible_crtcs = 1; return 0; } +/* + * Connector + */ + static int ast_get_modes(struct drm_connector *connector) { struct ast_connector *ast_connector = to_ast_connector(connector); @@ -834,14 +1086,16 @@ 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, + .mode_valid = ast_mode_valid, }; static const struct drm_connector_funcs ast_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = ast_connector_destroy, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static int ast_connector_init(struct drm_device *dev) @@ -890,8 +1144,7 @@ static int ast_cursor_init(struct drm_device *dev) 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, &dev->vram_mm->bdev, - size, 0, false); + gbo = drm_gem_vram_create(dev, size, 0); if (IS_ERR(gbo)) { ret = PTR_ERR(gbo); goto err_drm_gem_vram_put; @@ -934,10 +1187,39 @@ static void ast_cursor_fini(struct drm_device *dev) int ast_mode_init(struct drm_device *dev) { + struct ast_private *ast = dev->dev_private; + int ret; + + 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_ERROR("ast: drm_universal_plane_init() failed: %d\n", 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_ERROR("drm_universal_plane_failed(): %d\n", ret); + return ret; + } + drm_plane_helper_add(&ast->cursor_plane, + &ast_cursor_plane_helper_funcs); + ast_cursor_init(dev); ast_crtc_init(dev); ast_encoder_init(dev); ast_connector_init(dev); + return 0; } @@ -1153,106 +1435,6 @@ static void ast_cursor_set_base(struct ast_private *ast, u64 address) 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 drm_gem_object *obj; - struct drm_gem_vram_object *gbo; - u8 *src; - int ret; - - if (!handle) { - ast_hide_cursor(crtc); - return 0; - } - - if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) - return -EINVAL; - - obj = drm_gem_object_lookup(file_priv, handle); - if (!obj) { - DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); - return -ENOENT; - } - gbo = drm_gem_vram_of_gem(obj); - src = drm_gem_vram_vmap(gbo); - if (IS_ERR(src)) { - ret = PTR_ERR(src); - goto err_drm_gem_object_put_unlocked; - } - - ret = ast_show_cursor(crtc, src, width, height); - if (ret) - goto err_drm_gem_vram_vunmap; - - drm_gem_vram_vunmap(gbo, src); - drm_gem_object_put_unlocked(obj); - - return 0; - -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; -} - static int ast_cursor_move(struct drm_crtc *crtc, int x, int y) { |