The MAX_WIDTH_BYTES and MAX_HEIGHT_LINES macros have a generic name that is prone to namespace clashes. Rename them with a CAL_ prefix. While at it, expand their documentation and add CAL_MIN_(WIDTH|HEIGHT)_* macros that will be used to implement CAMERARX subdev operations. Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- drivers/media/platform/ti-vpe/cal-video.c | 5 +++-- drivers/media/platform/ti-vpe/cal.h | 12 ++++++++++-- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/ti-vpe/cal-video.c b/drivers/media/platform/ti-vpe/cal-video.c index 355bb365daf0..42e750925e8b 100644 --- a/drivers/media/platform/ti-vpe/cal-video.c +++ b/drivers/media/platform/ti-vpe/cal-video.c @@ -163,9 +163,10 @@ static int cal_calc_format_size(struct cal_ctx *ctx, * We need to recalculate the actual maxi width depending on the * number of bytes per pixels required. */ - max_width = MAX_WIDTH_BYTES / (ALIGN(fmt->bpp, 8) >> 3); + max_width = CAL_MAX_WIDTH_BYTES / (ALIGN(fmt->bpp, 8) >> 3); v4l_bound_align_image(&f->fmt.pix.width, 48, max_width, 2, - &f->fmt.pix.height, 32, MAX_HEIGHT_LINES, 0, 0); + &f->fmt.pix.height, 32, CAL_MAX_HEIGHT_LINES, + 0, 0); bpl = (f->fmt.pix.width * ALIGN(fmt->bpp, 8)) >> 3; f->fmt.pix.bytesperline = ALIGN(bpl, 16); diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h index 8d1753ebb7c4..7356d01e8d73 100644 --- a/drivers/media/platform/ti-vpe/cal.h +++ b/drivers/media/platform/ti-vpe/cal.h @@ -31,8 +31,16 @@ #define CAL_NUM_CONTEXT 2 #define CAL_NUM_CSI2_PORTS 2 -#define MAX_WIDTH_BYTES (8192 * 8) -#define MAX_HEIGHT_LINES 16383 +/* + * The width is limited by the size of the CAL_WR_DMA_XSIZE_j.XSIZE field, + * expressed in multiples of 64 bits. The height is limited by the size of the + * CAL_CSI2_CTXi_j.CTXi_LINES and CAL_WR_DMA_CTRL_j.YSIZE fields, expressed in + * lines. + */ +#define CAL_MIN_WIDTH_BYTES 16 +#define CAL_MAX_WIDTH_BYTES (8192 * 8) +#define CAL_MIN_HEIGHT_LINES 1 +#define CAL_MAX_HEIGHT_LINES 16383 #define CAL_CAMERARX_PAD_SINK 0 #define CAL_CAMERARX_PAD_SOURCE 1 -- Regards, Laurent Pinchart
