diff options
Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mxsfb/mxsfb_drv.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index 9d71c55a31c0..55aad92e08ba 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c @@ -52,6 +52,7 @@ static const struct mxsfb_devdata mxsfb_devdata[] = { .hs_wdth_shift = 24, .has_overlay = false, .has_ctrl2 = false, + .has_crc32 = false, }, [MXSFB_V4] = { .transfer_count = LCDC_V4_TRANSFER_COUNT, @@ -61,6 +62,7 @@ static const struct mxsfb_devdata mxsfb_devdata[] = { .hs_wdth_shift = 18, .has_overlay = false, .has_ctrl2 = true, + .has_crc32 = true, }, [MXSFB_V6] = { .transfer_count = LCDC_V4_TRANSFER_COUNT, @@ -70,6 +72,7 @@ static const struct mxsfb_devdata mxsfb_devdata[] = { .hs_wdth_shift = 18, .has_overlay = true, .has_ctrl2 = true, + .has_crc32 = true, }, }; @@ -157,12 +160,19 @@ static irqreturn_t mxsfb_irq_handler(int irq, void *data) { struct drm_device *drm = data; struct mxsfb_drm_private *mxsfb = drm->dev_private; - u32 reg; + u32 reg, crc; + u64 vbc; reg = readl(mxsfb->base + LCDC_CTRL1); - if (reg & CTRL1_CUR_FRAME_DONE_IRQ) + if (reg & CTRL1_CUR_FRAME_DONE_IRQ) { drm_crtc_handle_vblank(&mxsfb->crtc); + if (mxsfb->crc_active) { + crc = readl(mxsfb->base + LCDC_V4_CRC_STAT); + vbc = drm_crtc_accurate_vblank_count(&mxsfb->crtc); + drm_crtc_add_crc_entry(&mxsfb->crtc, true, vbc, &crc); + } + } writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR); |