diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos7_drm_decon.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos7_drm_decon.c | 94 |
1 files changed, 43 insertions, 51 deletions
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index 362532afd1a5..07926547c94f 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -61,7 +61,7 @@ struct decon_context { atomic_t wait_vsync_event; struct exynos_drm_panel_info panel; - struct exynos_drm_display *display; + struct drm_encoder *encoder; }; static const struct of_device_id decon_driver_dt_match[] = { @@ -126,7 +126,9 @@ static int decon_ctx_initialize(struct decon_context *ctx, ctx->drm_dev = drm_dev; ctx->pipe = priv->pipe++; - ret = drm_iommu_attach_device_if_possible(ctx->crtc, drm_dev, ctx->dev); + decon_clear_channels(ctx->crtc); + + ret = drm_iommu_attach_device(drm_dev, ctx->dev); if (ret) priv->pipe--; @@ -136,8 +138,7 @@ static int decon_ctx_initialize(struct decon_context *ctx, static void decon_ctx_remove(struct decon_context *ctx) { /* detach this sub driver from iommu mapping if supported. */ - if (is_drm_iommu_supported(ctx->drm_dev)) - drm_iommu_detach_device(ctx->drm_dev, ctx->dev); + drm_iommu_detach_device(ctx->drm_dev, ctx->dev); } static u32 decon_calc_clkdiv(struct decon_context *ctx, @@ -271,16 +272,16 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc) } } -static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win) +static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win, + struct drm_framebuffer *fb) { - struct exynos_drm_plane *plane = &ctx->planes[win]; unsigned long val; int padding; val = readl(ctx->regs + WINCON(win)); val &= ~WINCONx_BPPMODE_MASK; - switch (plane->pixel_format) { + switch (fb->pixel_format) { case DRM_FORMAT_RGB565: val |= WINCONx_BPPMODE_16BPP_565; val |= WINCONx_BURSTLEN_16WORD; @@ -329,7 +330,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win) break; } - DRM_DEBUG_KMS("bpp = %d\n", plane->bpp); + DRM_DEBUG_KMS("bpp = %d\n", fb->bits_per_pixel); /* * In case of exynos, setting dma-burst to 16Word causes permanent @@ -339,8 +340,8 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win) * movement causes unstable DMA which results into iommu crash/tear. */ - padding = (plane->pitch / (plane->bpp >> 3)) - plane->fb_width; - if (plane->fb_width + padding < MIN_FB_WIDTH_FOR_16WORD_BURST) { + padding = (fb->pitches[0] / (fb->bits_per_pixel >> 3)) - fb->width; + if (fb->width + padding < MIN_FB_WIDTH_FOR_16WORD_BURST) { val &= ~WINCONx_BURSTLEN_MASK; val |= WINCONx_BURSTLEN_8WORD; } @@ -382,23 +383,19 @@ static void decon_shadow_protect_win(struct decon_context *ctx, writel(val, ctx->regs + SHADOWCON); } -static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) +static void decon_update_plane(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane) { struct decon_context *ctx = crtc->ctx; struct drm_display_mode *mode = &crtc->base.state->adjusted_mode; - struct exynos_drm_plane *plane; + struct drm_plane_state *state = plane->base.state; int padding; unsigned long val, alpha; unsigned int last_x; unsigned int last_y; - - if (ctx->suspended) - return; - - if (win < 0 || win >= WINDOWS_NR) - return; - - plane = &ctx->planes[win]; + unsigned int win = plane->zpos; + unsigned int bpp = state->fb->bits_per_pixel >> 3; + unsigned int pitch = state->fb->pitches[0]; if (ctx->suspended) return; @@ -420,11 +417,11 @@ static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) val = (unsigned long)plane->dma_addr[0]; writel(val, ctx->regs + VIDW_BUF_START(win)); - padding = (plane->pitch / (plane->bpp >> 3)) - plane->fb_width; + padding = (pitch / bpp) - state->fb->width; /* buffer size */ - writel(plane->fb_width + padding, ctx->regs + VIDW_WHOLE_X(win)); - writel(plane->fb_height, ctx->regs + VIDW_WHOLE_Y(win)); + writel(state->fb->width + padding, ctx->regs + VIDW_WHOLE_X(win)); + writel(state->fb->height, ctx->regs + VIDW_WHOLE_Y(win)); /* offset from the start of the buffer to read */ writel(plane->src_x, ctx->regs + VIDW_OFFSET_X(win)); @@ -433,25 +430,25 @@ static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) DRM_DEBUG_KMS("start addr = 0x%lx\n", (unsigned long)val); DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", - plane->crtc_width, plane->crtc_height); + plane->crtc_w, plane->crtc_h); /* * OSD position. * In case the window layout goes of LCD layout, DECON fails. */ - if ((plane->crtc_x + plane->crtc_width) > mode->hdisplay) - plane->crtc_x = mode->hdisplay - plane->crtc_width; - if ((plane->crtc_y + plane->crtc_height) > mode->vdisplay) - plane->crtc_y = mode->vdisplay - plane->crtc_height; + if ((plane->crtc_x + plane->crtc_w) > mode->hdisplay) + plane->crtc_x = mode->hdisplay - plane->crtc_w; + if ((plane->crtc_y + plane->crtc_h) > mode->vdisplay) + plane->crtc_y = mode->vdisplay - plane->crtc_h; val = VIDOSDxA_TOPLEFT_X(plane->crtc_x) | VIDOSDxA_TOPLEFT_Y(plane->crtc_y); writel(val, ctx->regs + VIDOSD_A(win)); - last_x = plane->crtc_x + plane->crtc_width; + last_x = plane->crtc_x + plane->crtc_w; if (last_x) last_x--; - last_y = plane->crtc_y + plane->crtc_height; + last_y = plane->crtc_y + plane->crtc_h; if (last_y) last_y--; @@ -475,7 +472,7 @@ static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) writel(alpha, ctx->regs + VIDOSD_D(win)); - decon_win_set_pixfmt(ctx, win); + decon_win_set_pixfmt(ctx, win, state->fb); /* hardware window 0 doesn't support color key. */ if (win != 0) @@ -495,17 +492,13 @@ static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) writel(val, ctx->regs + DECON_UPDATE); } -static void decon_win_disable(struct exynos_drm_crtc *crtc, unsigned int win) +static void decon_disable_plane(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane) { struct decon_context *ctx = crtc->ctx; - struct exynos_drm_plane *plane; + unsigned int win = plane->zpos; u32 val; - if (win < 0 || win >= WINDOWS_NR) - return; - - plane = &ctx->planes[win]; - if (ctx->suspended) return; @@ -601,7 +594,7 @@ static void decon_disable(struct exynos_drm_crtc *crtc) * a destroyed buffer later. */ for (i = 0; i < WINDOWS_NR; i++) - decon_win_disable(crtc, i); + decon_disable_plane(crtc, &ctx->planes[i]); clk_disable_unprepare(ctx->vclk); clk_disable_unprepare(ctx->eclk); @@ -621,9 +614,8 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = { .enable_vblank = decon_enable_vblank, .disable_vblank = decon_disable_vblank, .wait_for_vblank = decon_wait_for_vblank, - .win_commit = decon_win_commit, - .win_disable = decon_win_disable, - .clear_channels = decon_clear_channels, + .update_plane = decon_update_plane, + .disable_plane = decon_disable_plane, }; @@ -643,8 +635,8 @@ static irqreturn_t decon_irq_handler(int irq, void *dev_id) goto out; if (!ctx->i80_if) { - drm_handle_vblank(ctx->drm_dev, ctx->pipe); - exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); + drm_crtc_handle_vblank(&ctx->crtc->base); + exynos_drm_crtc_finish_pageflip(ctx->crtc); /* set wait vsync event to zero and wake up queue. */ if (atomic_read(&ctx->wait_vsync_event)) { @@ -689,8 +681,8 @@ static int decon_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(ctx->crtc); } - if (ctx->display) - exynos_drm_create_enc_conn(drm_dev, ctx->display); + if (ctx->encoder) + exynos_dpi_bind(drm_dev, ctx->encoder); return 0; @@ -703,8 +695,8 @@ static void decon_unbind(struct device *dev, struct device *master, decon_disable(ctx->crtc); - if (ctx->display) - exynos_dpi_remove(ctx->display); + if (ctx->encoder) + exynos_dpi_remove(ctx->encoder); decon_ctx_remove(ctx); } @@ -789,9 +781,9 @@ static int decon_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ctx); - ctx->display = exynos_dpi_probe(dev); - if (IS_ERR(ctx->display)) { - ret = PTR_ERR(ctx->display); + ctx->encoder = exynos_dpi_probe(dev); + if (IS_ERR(ctx->encoder)) { + ret = PTR_ERR(ctx->encoder); goto err_iounmap; } |