diff options
| author | Paul Burton <paulburton@kernel.org> | 2019-11-01 14:35:49 -0700 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2019-11-01 14:36:44 -0700 |
| commit | 02fce139fd14d3b0126f0a72e8c0a83b5b01f9f5 (patch) | |
| tree | 20e69aae8d0acfcd7edc954e70a9d751e0b54a7e /drivers/gpu/drm/bridge/tc358767.c | |
| parent | 8a5a499871308c093ced3c5a383b72502b96e0d2 (diff) | |
| parent | b42aa3fd5957e4daf4b69129e5ce752a2a53e7d6 (diff) | |
Merge tag 'mips_fixes_5.4_3' into mips-next
Pull in mips-fixes primarily to gain build fixes in order to allow
better testing of mips-next.
A few MIPS fixes:
- Fix VDSO time-related function behavior for systems where we need to
fall back to syscalls, but were instead returning bogus results.
- A fix to TLB exception handlers for Cavium Octeon systems where they
would inadvertently clobber the $1/$at register.
- A build fix for bcm63xx configurations.
- Switch to using my @kernel.org email address.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/bridge/tc358767.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index cebc8e620820..8a8d605021f0 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -728,6 +728,8 @@ static int tc_set_video_mode(struct tc_data *tc, int lower_margin = mode->vsync_start - mode->vdisplay; int vsync_len = mode->vsync_end - mode->vsync_start; u32 dp0_syncval; + u32 bits_per_pixel = 24; + u32 in_bw, out_bw; /* * Recommended maximum number of symbols transferred in a transfer unit: @@ -735,7 +737,10 @@ static int tc_set_video_mode(struct tc_data *tc, * (output active video bandwidth in bytes)) * Must be less than tu_size. */ - max_tu_symbol = TU_SIZE_RECOMMENDED - 1; + + in_bw = mode->clock * bits_per_pixel / 8; + out_bw = tc->link.base.num_lanes * tc->link.base.rate; + max_tu_symbol = DIV_ROUND_UP(in_bw * TU_SIZE_RECOMMENDED, out_bw); dev_dbg(tc->dev, "set mode %dx%d\n", mode->hdisplay, mode->vdisplay); |