| Message ID | 1f4036763d2d29bf9b2a0d8f39942155e493b343.1486758327.git-series.kieran.bingham+renesas@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Kieran, Thank you for the patch. On Friday 10 Feb 2017 20:27:33 Kieran Bingham wrote: > When generating the partition windows, operate directly on the partition > struct rather than copying and duplicating the processed data > > Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> This looks good to me, but I'd squash it into the previous patch. > --- > drivers/media/platform/vsp1/vsp1_video.c | 43 ++++++++++++------------- > 1 file changed, 21 insertions(+), 22 deletions(-) > > diff --git a/drivers/media/platform/vsp1/vsp1_video.c > b/drivers/media/platform/vsp1/vsp1_video.c index a978508a4993..5f1886bfad26 > 100644 > --- a/drivers/media/platform/vsp1/vsp1_video.c > +++ b/drivers/media/platform/vsp1/vsp1_video.c > @@ -189,17 +189,17 @@ static int __vsp1_video_try_format(struct vsp1_video > *video, /** > * vsp1_video_partition - Calculate the active partition output window > * > + * @partition: The active partition data > * @div_size: pre-determined maximum partition division size > * @index: partition index > * > - * Returns a v4l2_rect describing the partition window. > + * Generates the output partitioning positions. > */ > -static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, > - unsigned int div_size, > - unsigned int index) > +static void vsp1_video_partition(struct vsp1_pipeline *pipe, > + struct vsp1_partition *partition, > + unsigned int div_size, unsigned int index) > { > const struct v4l2_mbus_framefmt *format; > - struct v4l2_rect partition; > unsigned int modulus; > > format = vsp1_entity_get_pad_format(&pipe->output->entity, > @@ -208,18 +208,19 @@ static struct v4l2_rect vsp1_video_partition(struct > vsp1_pipeline *pipe, > > /* A single partition simply processes the output size in full. */ > if (pipe->partitions <= 1) { > - partition.left = 0; > - partition.top = 0; > - partition.width = format->width; > - partition.height = format->height; > - return partition; > + partition->dest.left = 0; > + partition->dest.top = 0; > + partition->dest.width = format->width; > + partition->dest.height = format->height; > + > + return; > } > > /* Initialise the partition with sane starting conditions. */ > - partition.left = index * div_size; > - partition.top = 0; > - partition.width = div_size; > - partition.height = format->height; > + partition->dest.left = index * div_size; > + partition->dest.top = 0; > + partition->dest.width = div_size; > + partition->dest.height = format->height; > > modulus = format->width % div_size; > > @@ -242,18 +243,16 @@ static struct v4l2_rect vsp1_video_partition(struct > vsp1_pipeline *pipe, if (modulus < div_size / 2) { > if (index == partitions - 1) { > /* Halve the penultimate partition. */ > - partition.width = div_size / 2; > + partition->dest.width = div_size / 2; > } else if (index == partitions) { > /* Increase the final partition. */ > - partition.width = (div_size / 2) + modulus; > - partition.left -= div_size / 2; > + partition->dest.width = div_size / 2 + modulus; > + partition->dest.left -= div_size / 2; > } > } else if (index == partitions) { > - partition.width = modulus; > + partition->dest.width = modulus; > } > } > - > - return partition; > } > > static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline > *pipe) @@ -274,7 +273,7 @@ static void > vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) struct > vsp1_partition *partition = &pipe->part_table[0]; > > pipe->partitions = 1; > - partition->dest = vsp1_video_partition(pipe, div_size, 0); > + vsp1_video_partition(pipe, partition, div_size, 0); > > return; > } > @@ -294,7 +293,7 @@ static void vsp1_video_pipeline_setup_partitions(struct > vsp1_pipeline *pipe) for (i = 0; i < pipe->partitions; i++) { > struct vsp1_partition *partition = &pipe->part_table[i]; > > - partition->dest = vsp1_video_partition(pipe, div_size, i); > + vsp1_video_partition(pipe, partition, div_size, i); > } > }
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index a978508a4993..5f1886bfad26 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -189,17 +189,17 @@ static int __vsp1_video_try_format(struct vsp1_video *video, /** * vsp1_video_partition - Calculate the active partition output window * + * @partition: The active partition data * @div_size: pre-determined maximum partition division size * @index: partition index * - * Returns a v4l2_rect describing the partition window. + * Generates the output partitioning positions. */ -static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, - unsigned int div_size, - unsigned int index) +static void vsp1_video_partition(struct vsp1_pipeline *pipe, + struct vsp1_partition *partition, + unsigned int div_size, unsigned int index) { const struct v4l2_mbus_framefmt *format; - struct v4l2_rect partition; unsigned int modulus; format = vsp1_entity_get_pad_format(&pipe->output->entity, @@ -208,18 +208,19 @@ static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, /* A single partition simply processes the output size in full. */ if (pipe->partitions <= 1) { - partition.left = 0; - partition.top = 0; - partition.width = format->width; - partition.height = format->height; - return partition; + partition->dest.left = 0; + partition->dest.top = 0; + partition->dest.width = format->width; + partition->dest.height = format->height; + + return; } /* Initialise the partition with sane starting conditions. */ - partition.left = index * div_size; - partition.top = 0; - partition.width = div_size; - partition.height = format->height; + partition->dest.left = index * div_size; + partition->dest.top = 0; + partition->dest.width = div_size; + partition->dest.height = format->height; modulus = format->width % div_size; @@ -242,18 +243,16 @@ static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, if (modulus < div_size / 2) { if (index == partitions - 1) { /* Halve the penultimate partition. */ - partition.width = div_size / 2; + partition->dest.width = div_size / 2; } else if (index == partitions) { /* Increase the final partition. */ - partition.width = (div_size / 2) + modulus; - partition.left -= div_size / 2; + partition->dest.width = div_size / 2 + modulus; + partition->dest.left -= div_size / 2; } } else if (index == partitions) { - partition.width = modulus; + partition->dest.width = modulus; } } - - return partition; } static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) @@ -274,7 +273,7 @@ static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) struct vsp1_partition *partition = &pipe->part_table[0]; pipe->partitions = 1; - partition->dest = vsp1_video_partition(pipe, div_size, 0); + vsp1_video_partition(pipe, partition, div_size, 0); return; } @@ -294,7 +293,7 @@ static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) for (i = 0; i < pipe->partitions; i++) { struct vsp1_partition *partition = &pipe->part_table[i]; - partition->dest = vsp1_video_partition(pipe, div_size, i); + vsp1_video_partition(pipe, partition, div_size, i); } }
When generating the partition windows, operate directly on the partition struct rather than copying and duplicating the processed data Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> --- drivers/media/platform/vsp1/vsp1_video.c | 43 ++++++++++++------------- 1 file changed, 21 insertions(+), 22 deletions(-)