From: Jammy Huang jammy_huang@aspeedtech.com
[ Upstream commit 4b732a0016853eaff35944f900b0db66f3914374 ]
Previous reg-field, 0x98[11:0], stands for the period of the detected hsync signal. Use the correct reg, 0xa0, to get h-total in pixels.
Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver") 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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/aspeed-video.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 7a24daf7165a..bdeecde0d997 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -153,7 +153,7 @@ #define VE_SRC_TB_EDGE_DET_BOT GENMASK(28, VE_SRC_TB_EDGE_DET_BOT_SHF)
#define VE_MODE_DETECT_STATUS 0x098 -#define VE_MODE_DETECT_H_PIXELS GENMASK(11, 0) +#define VE_MODE_DETECT_H_PERIOD GENMASK(11, 0) #define VE_MODE_DETECT_V_LINES_SHF 16 #define VE_MODE_DETECT_V_LINES GENMASK(27, VE_MODE_DETECT_V_LINES_SHF) #define VE_MODE_DETECT_STATUS_VSYNC BIT(28) @@ -164,6 +164,8 @@ #define VE_SYNC_STATUS_VSYNC_SHF 16 #define VE_SYNC_STATUS_VSYNC GENMASK(27, VE_SYNC_STATUS_VSYNC_SHF)
+#define VE_H_TOTAL_PIXELS 0x0A0 + #define VE_INTERRUPT_CTRL 0x304 #define VE_INTERRUPT_STATUS 0x308 #define VE_INTERRUPT_MODE_DETECT_WD BIT(0) @@ -802,6 +804,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) u32 src_lr_edge; u32 src_tb_edge; u32 sync; + u32 htotal; struct v4l2_bt_timings *det = &video->detected_timings;
det->width = MIN_WIDTH; @@ -847,6 +850,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) src_tb_edge = aspeed_video_read(video, VE_SRC_TB_EDGE_DET); mds = aspeed_video_read(video, VE_MODE_DETECT_STATUS); sync = aspeed_video_read(video, VE_SYNC_STATUS); + htotal = aspeed_video_read(video, VE_H_TOTAL_PIXELS);
video->frame_bottom = (src_tb_edge & VE_SRC_TB_EDGE_DET_BOT) >> VE_SRC_TB_EDGE_DET_BOT_SHF; @@ -863,8 +867,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) VE_SRC_LR_EDGE_DET_RT_SHF; video->frame_left = src_lr_edge & VE_SRC_LR_EDGE_DET_LEFT; det->hfrontporch = video->frame_left; - det->hbackporch = (mds & VE_MODE_DETECT_H_PIXELS) - - video->frame_right; + det->hbackporch = htotal - video->frame_right; det->hsync = sync & VE_SYNC_STATUS_HSYNC; if (video->frame_left > video->frame_right) continue;