diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0074-media-aspeed-refine-HSYNC-VSYNC-polarity-setting-log.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0074-media-aspeed-refine-HSYNC-VSYNC-polarity-setting-log.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0074-media-aspeed-refine-HSYNC-VSYNC-polarity-setting-log.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0074-media-aspeed-refine-HSYNC-VSYNC-polarity-setting-log.patch deleted file mode 100644 index 4118e366c..000000000 --- a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0074-media-aspeed-refine-HSYNC-VSYNC-polarity-setting-log.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 1032b062669b7ee041d2f5a9f4729953655efe61 Mon Sep 17 00:00:00 2001 -From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> -Date: Wed, 4 Sep 2019 14:52:40 -0700 -Subject: [PATCH] media: aspeed: refine HSYNC/VSYNC polarity setting logic - -Sometimes it detects weird resolutions such as 1024x287 when the -actual resolution is 1280x768. To resolve this issue, this commit -refines HSYNC/VSYNC polarity setting code for mode detection by -clearing the bits as normal polarity at the beginning of the first -mode detection like datasheet suggested, and refines polarity -setting logic so that the bits can be set or cleared properly. - -Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> ---- - drivers/media/platform/aspeed-video.c | 45 ++++++++++++++++++----------------- - 1 file changed, 23 insertions(+), 22 deletions(-) - -diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c -index 4ef37cfc8446..455c6af81236 100644 ---- a/drivers/media/platform/aspeed-video.c -+++ b/drivers/media/platform/aspeed-video.c -@@ -614,7 +614,7 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video) - int i; - int hsync_counter = 0; - int vsync_counter = 0; -- u32 sts; -+ u32 sts, ctrl; - - for (i = 0; i < NUM_POLARITY_CHECKS; ++i) { - sts = aspeed_video_read(video, VE_MODE_DETECT_STATUS); -@@ -629,30 +629,29 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video) - hsync_counter++; - } - -- if (hsync_counter < 0 || vsync_counter < 0) { -- u32 ctrl = 0; -+ ctrl = aspeed_video_read(video, VE_CTRL); - -- if (hsync_counter < 0) { -- ctrl = VE_CTRL_HSYNC_POL; -- video->detected_timings.polarities &= -- ~V4L2_DV_HSYNC_POS_POL; -- } else { -- video->detected_timings.polarities |= -- V4L2_DV_HSYNC_POS_POL; -- } -- -- if (vsync_counter < 0) { -- ctrl = VE_CTRL_VSYNC_POL; -- video->detected_timings.polarities &= -- ~V4L2_DV_VSYNC_POS_POL; -- } else { -- video->detected_timings.polarities |= -- V4L2_DV_VSYNC_POS_POL; -- } -+ if (hsync_counter < 0) { -+ ctrl |= VE_CTRL_HSYNC_POL; -+ video->detected_timings.polarities &= -+ ~V4L2_DV_HSYNC_POS_POL; -+ } else { -+ ctrl &= ~VE_CTRL_HSYNC_POL; -+ video->detected_timings.polarities |= -+ V4L2_DV_HSYNC_POS_POL; -+ } - -- if (ctrl) -- aspeed_video_update(video, VE_CTRL, 0, ctrl); -+ if (vsync_counter < 0) { -+ ctrl |= VE_CTRL_VSYNC_POL; -+ video->detected_timings.polarities &= -+ ~V4L2_DV_VSYNC_POS_POL; -+ } else { -+ ctrl &= ~VE_CTRL_VSYNC_POL; -+ video->detected_timings.polarities |= -+ V4L2_DV_VSYNC_POS_POL; - } -+ -+ aspeed_video_write(video, VE_CTRL, ctrl); - } - - static bool aspeed_video_alloc_buf(struct aspeed_video *video, -@@ -741,6 +740,8 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) - } - - set_bit(VIDEO_RES_DETECT, &video->flags); -+ aspeed_video_update(video, VE_CTRL, -+ VE_CTRL_VSYNC_POL | VE_CTRL_HSYNC_POL, 0); - aspeed_video_enable_mode_detect(video); - - rc = wait_event_interruptible_timeout(video->wait, --- -2.7.4 - |