diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-18 10:15:25 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-22 22:34:37 +0200 |
| commit | 01916270b840f7f37b7daab936add1747d6afbbf (patch) | |
| tree | 4090ed2c800ee0970442260c67f02599942045ac /drivers/gpu/drm/radeon/atombios_dp.c | |
| parent | 1ffdff134eb2d943bde3e4901ac48a9656a7e7a5 (diff) | |
| download | linux-01916270b840f7f37b7daab936add1747d6afbbf.tar.bz2 | |
drm: dp helper: extract drm_dp_clock_recovery_ok
radeon and intel use the exact same definition.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Airlie <airlied@gmail.com>
v2: Kill 2 more helpers in intel_dp.c that I've missed.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 3f46bb1bb987..65f0c6049472 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -294,29 +294,6 @@ static u8 dp_link_status(u8 link_status[DP_LINK_STATUS_SIZE], int r) return link_status[r - DP_LANE0_1_STATUS]; } -static u8 dp_get_lane_status(u8 link_status[DP_LINK_STATUS_SIZE], - int lane) -{ - int i = DP_LANE0_1_STATUS + (lane >> 1); - int s = (lane & 1) * 4; - u8 l = dp_link_status(link_status, i); - return (l >> s) & 0xf; -} - -static bool dp_clock_recovery_ok(u8 link_status[DP_LINK_STATUS_SIZE], - int lane_count) -{ - int lane; - u8 lane_status; - - for (lane = 0; lane < lane_count; lane++) { - lane_status = dp_get_lane_status(link_status, lane); - if ((lane_status & DP_LANE_CR_DONE) == 0) - return false; - } - return true; -} - static u8 dp_get_adjust_request_voltage(u8 link_status[DP_LINK_STATUS_SIZE], int lane) @@ -811,7 +788,7 @@ static int radeon_dp_link_train_cr(struct radeon_dp_link_train_info *dp_info) break; } - if (dp_clock_recovery_ok(dp_info->link_status, dp_info->dp_lane_count)) { + if (drm_dp_clock_recovery_ok(dp_info->link_status, dp_info->dp_lane_count)) { clock_recovery = true; break; } |