diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos5433_drm_decon.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 113 |
1 files changed, 72 insertions, 41 deletions
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 8b1225f245fc..b3c730770b0f 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -54,6 +54,13 @@ static const char * const decon_clks_name[] = { "sclk_decon_eclk", }; +static const uint32_t decon_formats[] = { + DRM_FORMAT_XRGB1555, + DRM_FORMAT_RGB565, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, +}; + static int decon_enable_vblank(struct exynos_drm_crtc *crtc) { struct decon_context *ctx = crtc->ctx; @@ -152,15 +159,15 @@ static void decon_commit(struct exynos_drm_crtc *crtc) #define OFFSIZE(x) (((x) & 0x3fff) << 14) #define PAGEWIDTH(x) ((x) & 0x3fff) -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; val = readl(ctx->addr + DECON_WINCONx(win)); val &= ~WINCONx_BPPMODE_MASK; - switch (plane->pixel_format) { + switch (fb->pixel_format) { case DRM_FORMAT_XRGB1555: val |= WINCONx_BPPMODE_16BPP_I1555; val |= WINCONx_HAWSWP_F; @@ -186,7 +193,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win) return; } - DRM_DEBUG_KMS("bpp = %u\n", plane->bpp); + DRM_DEBUG_KMS("bpp = %u\n", fb->bits_per_pixel); /* * In case of exynos, setting dma-burst to 16Word causes permanent @@ -196,7 +203,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win) * movement causes unstable DMA which results into iommu crash/tear. */ - if (plane->fb_width < MIN_FB_WIDTH_FOR_16WORD_BURST) { + if (fb->width < MIN_FB_WIDTH_FOR_16WORD_BURST) { val &= ~WINCONx_BURSTLEN_MASK; val |= WINCONx_BURSTLEN_8WORD; } @@ -219,27 +226,35 @@ static void decon_shadow_protect_win(struct decon_context *ctx, int win, writel(val, ctx->addr + DECON_SHADOWCON); } -static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) +static void decon_atomic_begin(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane) { struct decon_context *ctx = crtc->ctx; - struct exynos_drm_plane *plane; - u32 val; - if (win < 0 || win >= WINDOWS_NR) + if (ctx->suspended) return; - plane = &ctx->planes[win]; + decon_shadow_protect_win(ctx, plane->zpos, true); +} + +static void decon_update_plane(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane) +{ + struct decon_context *ctx = crtc->ctx; + struct drm_plane_state *state = plane->base.state; + unsigned int win = plane->zpos; + unsigned int bpp = state->fb->bits_per_pixel >> 3; + unsigned int pitch = state->fb->pitches[0]; + u32 val; if (ctx->suspended) return; - decon_shadow_protect_win(ctx, win, true); - val = COORDINATE_X(plane->crtc_x) | COORDINATE_Y(plane->crtc_y); writel(val, ctx->addr + DECON_VIDOSDxA(win)); - val = COORDINATE_X(plane->crtc_x + plane->crtc_width - 1) | - COORDINATE_Y(plane->crtc_y + plane->crtc_height - 1); + val = COORDINATE_X(plane->crtc_x + plane->crtc_w - 1) | + COORDINATE_Y(plane->crtc_y + plane->crtc_h - 1); writel(val, ctx->addr + DECON_VIDOSDxB(win)); val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) | @@ -252,42 +267,33 @@ static void decon_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) writel(plane->dma_addr[0], ctx->addr + DECON_VIDW0xADD0B0(win)); - val = plane->dma_addr[0] + plane->pitch * plane->crtc_height; + val = plane->dma_addr[0] + pitch * plane->crtc_h; writel(val, ctx->addr + DECON_VIDW0xADD1B0(win)); - val = OFFSIZE(plane->pitch - plane->crtc_width * (plane->bpp >> 3)) - | PAGEWIDTH(plane->crtc_width * (plane->bpp >> 3)); + val = OFFSIZE(pitch - plane->crtc_w * bpp) + | PAGEWIDTH(plane->crtc_w * bpp); writel(val, ctx->addr + DECON_VIDW0xADD2(win)); - decon_win_set_pixfmt(ctx, win); + decon_win_set_pixfmt(ctx, win, state->fb); /* window enable */ val = readl(ctx->addr + DECON_WINCONx(win)); val |= WINCONx_ENWIN_F; writel(val, ctx->addr + DECON_WINCONx(win)); - decon_shadow_protect_win(ctx, win, false); - /* standalone update */ val = readl(ctx->addr + DECON_UPDATE); val |= STANDALONE_UPDATE_F; writel(val, ctx->addr + DECON_UPDATE); - - if (ctx->i80_if) - atomic_set(&ctx->win_updated, 1); } -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; @@ -306,6 +312,20 @@ static void decon_win_disable(struct exynos_drm_crtc *crtc, unsigned int win) writel(val, ctx->addr + DECON_UPDATE); } +static void decon_atomic_flush(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane) +{ + struct decon_context *ctx = crtc->ctx; + + if (ctx->suspended) + return; + + decon_shadow_protect_win(ctx, plane->zpos, false); + + if (ctx->i80_if) + atomic_set(&ctx->win_updated, 1); +} + static void decon_swreset(struct decon_context *ctx) { unsigned int tries; @@ -378,7 +398,7 @@ 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]); decon_swreset(ctx); @@ -407,7 +427,7 @@ void decon_te_irq_handler(struct exynos_drm_crtc *crtc) writel(val, ctx->addr + DECON_TRIGCON); } - drm_handle_vblank(ctx->drm_dev, ctx->pipe); + drm_crtc_handle_vblank(&ctx->crtc->base); } static void decon_clear_channels(struct exynos_drm_crtc *crtc) @@ -460,10 +480,11 @@ static struct exynos_drm_crtc_ops decon_crtc_ops = { .enable_vblank = decon_enable_vblank, .disable_vblank = decon_disable_vblank, .commit = decon_commit, - .win_commit = decon_win_commit, - .win_disable = decon_win_disable, + .atomic_begin = decon_atomic_begin, + .update_plane = decon_update_plane, + .disable_plane = decon_disable_plane, + .atomic_flush = decon_atomic_flush, .te_handler = decon_te_irq_handler, - .clear_channels = decon_clear_channels, }; static int decon_bind(struct device *dev, struct device *master, void *data) @@ -483,7 +504,8 @@ static int decon_bind(struct device *dev, struct device *master, void *data) type = (zpos == ctx->default_win) ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; ret = exynos_plane_init(drm_dev, &ctx->planes[zpos], - 1 << ctx->pipe, type, zpos); + 1 << ctx->pipe, type, decon_formats, + ARRAY_SIZE(decon_formats), zpos); if (ret) return ret; } @@ -497,7 +519,9 @@ static int decon_bind(struct device *dev, struct device *master, void *data) goto err; } - ret = drm_iommu_attach_device_if_possible(ctx->crtc, drm_dev, dev); + decon_clear_channels(ctx->crtc); + + ret = drm_iommu_attach_device(drm_dev, dev); if (ret) goto err; @@ -514,8 +538,7 @@ static void decon_unbind(struct device *dev, struct device *master, void *data) decon_disable(ctx->crtc); /* 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 const struct component_ops decon_component_ops = { @@ -533,7 +556,7 @@ static irqreturn_t decon_vsync_irq_handler(int irq, void *dev_id) val = readl(ctx->addr + DECON_VIDINTCON1); if (val & VIDINTCON1_INTFRMPEND) { - drm_handle_vblank(ctx->drm_dev, ctx->pipe); + drm_crtc_handle_vblank(&ctx->crtc->base); /* clear */ writel(VIDINTCON1_INTFRMPEND, ctx->addr + DECON_VIDINTCON1); @@ -547,13 +570,21 @@ static irqreturn_t decon_lcd_sys_irq_handler(int irq, void *dev_id) { struct decon_context *ctx = dev_id; u32 val; + int win; if (!test_bit(BIT_CLKS_ENABLED, &ctx->enabled)) goto out; val = readl(ctx->addr + DECON_VIDINTCON1); if (val & VIDINTCON1_INTFRMDONEPEND) { - exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); + for (win = 0 ; win < WINDOWS_NR ; win++) { + struct exynos_drm_plane *plane = &ctx->planes[win]; + + if (!plane->pending_fb) + continue; + + exynos_drm_crtc_finish_update(ctx->crtc, plane); + } /* clear */ writel(VIDINTCON1_INTFRMDONEPEND, |