[PATCHv3 08/10] [media] rcar-vin: move chip check for pixelformat support

[Niklas Söderlund]

The check for if the specific pixelformat is supported on the current
chip should happen in VIDIOC_S_FMT and VIDIOC_TRY_FMT and not when we
try to setup the hardware for streaming.

Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
---
 drivers/media/platform/rcar-vin/rcar-dma.c  | 8 +++-----
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 5 +++++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c 
b/drivers/media/platform/rcar-vin/rcar-dma.c
index 496aa97..3df3f0c 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -225,11 +225,9 @@ static int rvin_setup(struct rvin_dev *vin)
                dmr = 0;
                break;
        case V4L2_PIX_FMT_XBGR32:
-               if (vin->chip == RCAR_GEN2 || vin->chip == RCAR_H1) {
-                       dmr = VNDMR_EXRGB;
-                       break;
-               }
-               /* fall through */
+               /* Note: not supported on M1 */
+               dmr = VNDMR_EXRGB;
+               break;
        default:
                vin_err(vin, "Invalid pixelformat (0x%x)\n",
                        vin->format.pixelformat);
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c 
b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 09df396..ef3464d 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -192,6 +192,11 @@ static int __rvin_try_format(struct rvin_dev *vin,
        pix->sizeimage = max_t(u32, pix->sizeimage,
                               rvin_format_sizeimage(pix));
 
+       if (vin->chip == RCAR_M1 && pix->pixelformat == V4L2_PIX_FMT_XBGR32) {
+               vin_err(vin, "pixel format XBGR32 not supported on M1\n");
+               return -EINVAL;
+       }
+
        vin_dbg(vin, "Requested %ux%u Got %ux%u bpl: %d size: %d\n",
                rwidth, rheight, pix->width, pix->height,
                pix->bytesperline, pix->sizeimage);
-- 
2.9.2

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