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authorJammy Huang <jammy_huang@aspeedtech.com>2022-01-12 07:07:25 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-01-28 19:32:50 +0100
commit71ef8053d48fc6aad88cf23a368fa56de5c66f1d (patch)
tree78779f78830d6d775461d5eaae8dc108a0f2e5db /drivers/media/platform/aspeed-video.c
parentmedia: aspeed: add more debug log messages (diff)
downloadlinux-dev-71ef8053d48fc6aad88cf23a368fa56de5c66f1d.tar.xz
linux-dev-71ef8053d48fc6aad88cf23a368fa56de5c66f1d.zip
media: aspeed: Fix no complete irq for non-64-aligned width
In ast2500, engine will stop occasionally for 1360x768. This is a bug which has been addressed, but the workaround is specific for 1680 only. Here we make it more complete. Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/aspeed-video.c')
-rw-r--r--drivers/media/platform/aspeed-video.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index 2effeff0420d..63a6908d5797 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -916,18 +916,19 @@ static void aspeed_video_set_resolution(struct aspeed_video *video)
/* Set capture/compression frame sizes */
aspeed_video_calc_compressed_size(video, size);
- if (video->active_timings.width == 1680) {
+ if (!IS_ALIGNED(act->width, 64)) {
/*
- * This is a workaround to fix a silicon bug on A1 and A2
- * revisions. Since it doesn't break capturing operation of
+ * This is a workaround to fix a AST2500 silicon bug on A1 and
+ * A2 revisions. Since it doesn't break capturing operation of
* other revisions, use it for all revisions without checking
- * the revision ID. It picked 1728 which is a very next
- * 64-pixels aligned value to 1680 to minimize memory bandwidth
+ * the revision ID. It picked new width which is a very next
+ * 64-pixels aligned value to minimize memory bandwidth
* and to get better access speed from video engine.
*/
- aspeed_video_write(video, VE_CAP_WINDOW,
- 1728 << 16 | act->height);
- size += (1728 - 1680) * video->active_timings.height;
+ u32 width = ALIGN(act->width, 64);
+
+ aspeed_video_write(video, VE_CAP_WINDOW, width << 16 | act->height);
+ size = width * act->height;
} else {
aspeed_video_write(video, VE_CAP_WINDOW,
act->width << 16 | act->height);